#! /bin/sh # # If these # comments don't work, trim them. Don't worry about any other # shell scripts, Configure will trim # comments from them for you. # # (If you are trying to port this package to a machine without sh, # I would suggest you have a look at the prototypical config_h.SH file # and edit it to reflect your system. Some packages may include samples # of config.h for certain machines, so you might look for one of those.) # # Yes, you may rip this off to use in other distribution packages. This # script belongs to the public domain and cannot be copyrighted. # # (Note: this Configure script was generated automatically. Rather than # working with this copy of Configure, you may wish to get metaconfig. # The dist-3.0 package (which contains metaconfig) was posted in # comp.sources.misc and is available on CPAN under authors/id/RAM so # you may fetch it yourself from your nearest archive site.) # # $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $ # # Generated on Fri Feb 15 01:22:14 EET 2002 [metaconfig 3.0 PL70] # (with additional metaconfig patches by perlbug@perl.org) cat >c1$$ <c2$$ </dev/null` test "$me" || me=$0 ;; esac : Proper separator for the PATH environment variable p_=: : On OS/2 this directory should exist if this is not floppy only system :-] if test -d c:/. ; then if test -n "$OS2_SHELL"; then p_=\; PATH=`cmd /c "echo %PATH%" | tr '\\\\' / ` OS2_SHELL=`cmd /c "echo %OS2_SHELL%" | tr '\\\\' / | tr '[A-Z]' '[a-z]'` elif test -n "$DJGPP"; then case "X${MACHTYPE:-nonesuchmach}" in *cygwin) ;; *) p_=\; ;; esac fi fi : Proper PATH setting paths='/bin /usr/bin /usr/local/bin /usr/ucb /usr/local /usr/lbin' paths="$paths /opt/bin /opt/local/bin /opt/local /opt/lbin" paths="$paths /usr/5bin /etc /usr/gnu/bin /usr/new /usr/new/bin /usr/nbin" paths="$paths /opt/gnu/bin /opt/new /opt/new/bin /opt/nbin" paths="$paths /sys5.3/bin /sys5.3/usr/bin /bsd4.3/bin /bsd4.3/usr/ucb" paths="$paths /bsd4.3/usr/bin /usr/bsd /bsd43/bin /usr/ccs/bin" paths="$paths /etc /usr/lib /usr/ucblib /lib /usr/ccs/lib" paths="$paths /sbin /usr/sbin /usr/libexec" paths="$paths /system/gnu_library/bin" for p in $paths do case "$p_$PATH$p_" in *$p_$p$p_*) ;; *) test -d $p && PATH=$PATH$p_$p ;; esac done PATH=.$p_$PATH export PATH : shall we be using ksh? inksh='' needksh='' avoidksh='' newsh=/bin/ksh changesh='' if (PATH=.; alias -x) >/dev/null 2>&1; then inksh=true fi if test -f /hp-ux -a -f /bin/ksh; then needksh='to avoid sh bug in "here document" expansion' fi if test -d /usr/lpp -a -f /usr/bin/bsh -a -f /usr/bin/uname; then if test X`/usr/bin/uname -v` = X4; then avoidksh="to avoid AIX 4's /bin/sh" newsh=/usr/bin/bsh fi fi if test -f /osf_boot -a -f /usr/sbin/setld; then if test X`/usr/bin/uname -s` = XOSF1; then avoidksh="to avoid Digital UNIX' ksh" newsh=/bin/sh unset BIN_SH # if this is 'xpg4' sh will start up ksh fi fi case "$inksh/$needksh" in /[a-z]*) ENV='' changesh=true reason="$needksh" ;; esac case "$inksh/$avoidksh" in true/[a-z]*) changesh=true reason="$avoidksh" ;; esac case "$inksh/$needksh-$avoidksh-" in true/--) cat <&2 </dev/null 2>&1`; then shsharp=true spitshell=cat xcat=/bin/cat test -f $xcat$_exe || xcat=/usr/bin/cat if test ! -f $xcat$_exe; then for p in `echo $PATH | sed -e "s/$p_/ /g"` $paths; do if test -f $p/cat$_exe; then xcat=$p/cat break fi done if test ! -f $xcat$_exe; then echo "Can't find cat anywhere!" exit 1 fi fi echo "#!$xcat" >sharp $eunicefix sharp chmod +x sharp ./sharp > today if test -s today; then sharpbang='#!' else echo "#! $xcat" > sharp $eunicefix sharp chmod +x sharp ./sharp > today if test -s today; then sharpbang='#! 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EOM ;; esac ;; esac fi # Fix ccdlflags in AIX for building external extensions. # (For building Perl itself bare -bE:perl.exp is needed, # Makefile.SH takes care of this.) case "$osname" in aix) ccdlflags="$ccdlflags -bE:$installarchlib/CORE/perl.exp" ;; esac # Respect a hint or command-line value. case "$shrpenv" in '') shrpenv="$tmp_shrpenv" ;; esac case "$ldlibpthname" in '') ldlibpthname=LD_LIBRARY_PATH ;; none) ldlibpthname='' ;; esac : determine where manual pages are on this system echo " " case "$sysman" in '') syspath='/usr/share/man/man1 /usr/man/man1' syspath="$syspath /usr/man/mann /usr/man/manl /usr/man/local/man1" syspath="$syspath /usr/man/u_man/man1" syspath="$syspath /usr/catman/u_man/man1 /usr/man/l_man/man1" syspath="$syspath /usr/local/man/u_man/man1 /usr/local/man/l_man/man1" syspath="$syspath /usr/man/man.L /local/man/man1 /usr/local/man/man1" sysman=`./loc . /usr/man/man1 $syspath` ;; esac if $test -d "$sysman"; then echo "System manual is in $sysman." >&4 else echo "Could not find manual pages in source form." >&4 fi : determine where manual pages go set man1dir man1dir none eval $prefixit $cat <$first) 2>/dev/null; then if $test -f 123456789abcde; then echo 'You cannot have filenames longer than 14 characters. 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EOM tdflt=$dflt dflt='n' rp='Do you wish to preserve the old behavior?(y/n)' . ./myread case "$ans" in y*) dflt="$privlib/man/man3" ;; *) dflt=$tdflt ;; esac fi ;; *) dflt="$man3dir" ;; esac case "$dflt" in ' ') dflt=none ;; esac echo " " fn=dn+~ rp="Where do the $package library man pages (source) go?" . ./getfile man3dir="$ans" man3direxp="$ansexp" case "$man3dir" in '') man3dir=' ' installman3dir='';; esac : Change installation prefix, if necessary. if $test X"$prefix" != X"$installprefix"; then installman3dir=`echo $man3direxp | $sed "s#^$prefix#$installprefix#"` else installman3dir="$man3direxp" fi : What suffix to use on installed man pages case "$man3dir" in ' ') man3ext='0' ;; *) rp="What suffix should be used for the $package library man pages?" case "$man3ext" in '') case "$man3dir" in *3) dflt=3 ;; *3p) dflt=3p ;; *3pm) dflt=3pm ;; *l) dflt=l;; *n) dflt=n;; *o) dflt=o;; *p) dflt=p;; *C) dflt=C;; *L) dflt=L;; *L3) dflt=L3;; *) dflt=3;; esac ;; *) dflt="$man3ext";; esac . ./myread man3ext="$ans" ;; esac : see if we have to deal with yellow pages, now NIS. if $test -d /usr/etc/yp || $test -d /etc/yp || $test -d /usr/lib/yp; then if $test -f /usr/etc/nibindd; then echo " " echo "I'm fairly confident you're on a NeXT." echo " " rp='Do you get the hosts file via NetInfo?' dflt=y case "$hostcat" in nidump*) ;; '') ;; *) dflt=n;; esac . ./myread case "$ans" in y*) hostcat='nidump hosts .';; *) case "$hostcat" in nidump*) hostcat='';; esac ;; esac fi case "$hostcat" in nidump*) ;; *) case "$hostcat" in *ypcat*) dflt=y;; '') if $contains '^\+' /etc/passwd >/dev/null 2>&1; then dflt=y else dflt=n fi;; *) dflt=n;; esac echo " " rp='Are you getting the hosts file via yellow pages?' . ./myread case "$ans" in y*) hostcat='ypcat hosts';; *) hostcat='cat /etc/hosts';; esac ;; esac fi case "$hostcat" in '') test -f /etc/hosts && hostcat='cat /etc/hosts';; esac case "$groupcat" in '') test -f /etc/group && groupcat='cat /etc/group';; esac case "$passcat" in '') test -f /etc/passwd && passcat='cat /etc/passwd';; esac : now get the host name echo " " echo "Figuring out host name..." >&4 case "$myhostname" in '') cont=true echo 'Maybe "hostname" will work...' if tans=`sh -c hostname 2>&1` ; then myhostname=$tans phostname=hostname cont='' fi ;; *) cont='';; esac if $test "$cont"; then if ./xenix; then echo 'Oh, dear. Maybe "/etc/systemid" is the key...' if tans=`cat /etc/systemid 2>&1` ; then myhostname=$tans phostname='cat /etc/systemid' echo "Whadyaknow. Xenix always was a bit strange..." cont='' fi elif $test -r /etc/systemid; then echo "(What is a non-Xenix system doing with /etc/systemid?)" fi fi if $test "$cont"; then echo 'No, maybe "uuname -l" will work...' if tans=`sh -c 'uuname -l' 2>&1` ; then myhostname=$tans phostname='uuname -l' else echo 'Strange. Maybe "uname -n" will work...' if tans=`sh -c 'uname -n' 2>&1` ; then myhostname=$tans phostname='uname -n' else echo 'Oh well, maybe I can mine it out of whoami.h...' if tans=`sh -c $contains' sysname $usrinc/whoami.h' 2>&1` ; then myhostname=`echo "$tans" | $sed 's/^.*"\(.*\)"/\1/'` phostname="sed -n -e '"'/sysname/s/^.*\"\\(.*\\)\"/\1/{'"' -e p -e q -e '}' <$usrinc/whoami.h" else case "$myhostname" in '') echo "Does this machine have an identity crisis or something?" phostname='';; *) echo "Well, you said $myhostname before..." phostname='echo $myhostname';; esac fi fi fi fi case "$myhostname" in '') myhostname=noname ;; esac : you do not want to know about this set $myhostname myhostname=$1 : verify guess if $test "$myhostname" ; then dflt=y rp='Your host name appears to be "'$myhostname'".'" Right?" . ./myread case "$ans" in y*) ;; *) myhostname='';; esac fi : bad guess or no guess while $test "X$myhostname" = X ; do dflt='' rp="Please type the (one word) name of your host:" . ./myread myhostname="$ans" done : translate upper to lower if necessary case "$myhostname" in *[A-Z]*) echo "(Normalizing case in your host name)" myhostname=`echo $myhostname | ./tr '[A-Z]' '[a-z]'` ;; esac case "$myhostname" in *.*) dflt=`expr "X$myhostname" : "X[^.]*\(\..*\)"` myhostname=`expr "X$myhostname" : "X\([^.]*\)\."` echo "(Trimming domain name from host name--host name is now $myhostname)" ;; *) case "$mydomain" in '') { test "X$hostcat" = "Xypcat hosts" && ypmatch "$myhostname" hosts 2>/dev/null |\ $sed -e 's/[ ]*#.*//; s/$/ /' > hosts && \ $test -s hosts } || { test "X$hostcat" != "X" && $hostcat | $sed -n -e "s/[ ]*#.*//; s/\$/ / /[ ]$myhostname[ . ]/p" > hosts } tmp_re="[ . ]" if $test -f hosts; then $test x`$awk "/[0-9].*[ ]$myhostname$tmp_re/ { sum++ } END { print sum }" hosts` = x1 || tmp_re="[ ]" dflt=.`$awk "/[0-9].*[ ]$myhostname$tmp_re/ {for(i=2; i<=NF;i++) print \\\$i}" \ hosts | $sort | $uniq | \ $sed -n -e "s/$myhostname\.\([-a-zA-Z0-9_.]\)/\1/p"` case `$echo X$dflt` in X*\ *) echo "(Several hosts in the database matched hostname)" dflt=. ;; X.) echo "(You do not have fully-qualified names in the hosts database)" ;; esac else echo "(I cannot locate a hosts database anywhere)" dflt=. fi case "$dflt" in .) tans=`./loc resolv.conf X /etc /usr/etc` if $test -f "$tans"; then echo "(Attempting domain name extraction from $tans)" dflt=.`$sed -n -e 's/ / /g' \ -e 's/^search *\([^ ]*\).*/\1/p' $tans \ | ./tr '[A-Z]' '[a-z]' 2>/dev/null` case "$dflt" in .) dflt=.`$sed -n -e 's/ / /g' \ -e 's/^domain *\([^ ]*\).*/\1/p' $tans \ | ./tr '[A-Z]' '[a-z]' 2>/dev/null` ;; esac fi ;; esac case "$dflt" in .) echo "(No help from resolv.conf either -- attempting clever guess)" dflt=.`sh -c domainname 2>/dev/null` case "$dflt" in '') dflt='.';; .nis.*|.yp.*|.main.*) dflt=`echo $dflt | $sed -e 's/^\.[^.]*//'`;; esac ;; esac case "$dflt$osname" in .os390) echo "(Attempting domain name extraction from //'SYS1.TCPPARMS(TCPDATA)')" dflt=.`awk '/^DOMAINORIGIN/ {print $2}' "//'SYS1.TCPPARMS(TCPDATA)'" 2>/dev/null` ;; esac case "$dflt" in .) echo "(Lost all hope -- silly guess then)" dflt='.nonet' ;; esac $rm -f hosts ;; *) dflt="$mydomain";; esac;; esac echo " " rp="What is your domain name?" . ./myread tans="$ans" case "$ans" in '') ;; .*) ;; *) tans=".$tans";; esac mydomain="$tans" : translate upper to lower if necessary case "$mydomain" in *[A-Z]*) echo "(Normalizing case in your domain name)" mydomain=`echo $mydomain | ./tr '[A-Z]' '[a-z]'` ;; esac : a little sanity check here case "$phostname" in '') ;; *) case `$phostname | ./tr '[A-Z]' '[a-z]'` in $myhostname$mydomain|$myhostname) ;; *) case "$phostname" in sed*) echo "(That doesn't agree with your whoami.h file, by the way.)" ;; *) echo "(That doesn't agree with your $phostname command, by the way.)" ;; esac ;; esac ;; esac $cat <&4 <&4 $cat >try.c < #include int main() { printf("%d\n", (int)sizeof($lseektype)); return(0); } EOCP set try if eval $compile_ok; then lseeksize=`$run ./try` echo "Your file offsets are $lseeksize bytes long." else dflt=$longsize echo " " echo "(I can't seem to compile the test program. 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Guessing...)" >&4 rp="What is the size of your file positions (in bytes)?" . ./myread fpossize="$ans" fi $rm -f try.c try fi ;; esac case "$vendorprefix" in '') d_vendorbin="$undef" vendorbin='' vendorbinexp='' ;; *) d_vendorbin="$define" : determine where vendor-supplied executables go. case "$vendorbin" in '') dflt=$vendorprefix/bin ;; *) dflt="$vendorbin" ;; esac fn=d~+ rp='Pathname for the vendor-supplied executables directory?' . ./getfile vendorbin="$ans" vendorbinexp="$ansexp" ;; esac : Change installation prefix, if necessary. if $test X"$prefix" != X"$installprefix"; then installvendorbin=`echo $vendorbinexp | $sed "s#^$prefix#$installprefix#"` else installvendorbin="$vendorbinexp" fi : see if qgcvt exists set qgcvt d_qgcvt eval $inlibc : Check how to convert floats to strings. echo " " echo "Checking for an efficient way to convert floats to strings." echo " " > try.c case "$uselongdouble" in "$define") echo "#define USE_LONG_DOUBLE" >>try.c ;; esac case "$d_longdbl" in "$define") echo "#define HAS_LONG_DOUBLE" >>try.c ;; esac case "$d_PRIgldbl" in "$define") echo "#define HAS_PRIgldbl" >>try.c ;; esac $cat >>try.c < #define I_STDLIB $i_stdlib #ifdef I_STDLIB #include #endif int checkit(expect, got) char *expect; char *got; { if (strcmp(expect, got)) { printf("%s oddity: Expected %s, got %s\n", myname, expect, got); exit(1); } } int main() { char buf[64]; buf[63] = '\0'; /* This must be 1st test on (which?) platform */ /* Alan Burlison */ Gconvert((DOUBLETYPE)0.1, 8, 0, buf); checkit("0.1", buf); Gconvert((DOUBLETYPE)1.0, 8, 0, buf); checkit("1", buf); Gconvert((DOUBLETYPE)1.1, 8, 0, buf); checkit("1.1", buf); Gconvert((DOUBLETYPE)1.01, 8, 0, buf); checkit("1.01", buf); Gconvert((DOUBLETYPE)1.001, 8, 0, buf); checkit("1.001", buf); Gconvert((DOUBLETYPE)1.0001, 8, 0, buf); checkit("1.0001", buf); Gconvert((DOUBLETYPE)1.00001, 8, 0, buf); checkit("1.00001", buf); Gconvert((DOUBLETYPE)1.000001, 8, 0, buf); checkit("1.000001", buf); Gconvert((DOUBLETYPE)0.0, 8, 0, buf); checkit("0", buf); Gconvert((DOUBLETYPE)-1.0, 8, 0, buf); checkit("-1", buf); /* Some Linux gcvt's give 1.e+5 here. */ Gconvert((DOUBLETYPE)100000.0, 8, 0, buf); checkit("100000", buf); /* Some Linux gcvt's give -1.e+5 here. */ Gconvert((DOUBLETYPE)-100000.0, 8, 0, buf); checkit("-100000", buf); Gconvert((DOUBLETYPE)123.456, 8, 0, buf); checkit("123.456", buf); /* Testing of 1e+129 in bigintpm.t must not get extra '.' here. */ Gconvert((DOUBLETYPE)1e30, 8, 0, buf); if (strlen(buf) > 5) checkit("1e+030", buf); /* for Microsoft */ else checkit("1e+30", buf); exit(0); } EOP case "$d_Gconvert" in gconvert*) xxx_list='gconvert gcvt sprintf' ;; gcvt*) xxx_list='gcvt gconvert sprintf' ;; sprintf*) xxx_list='sprintf gconvert gcvt' ;; *) xxx_list='gconvert gcvt sprintf' ;; esac case "$d_longdbl$uselongdouble$d_PRIgldbl" in "$define$define$define") # for long doubles prefer first qgcvt, then sprintf xxx_list="`echo $xxx_list|sed s/sprintf//`" xxx_list="sprintf $xxx_list" case "$d_qgcvt" in "$define") xxx_list="qgcvt $xxx_list" ;; esac ;; esac for xxx_convert in $xxx_list; do echo "Trying $xxx_convert..." $rm -f try try$_o set try -DTRY_$xxx_convert if eval $compile; then echo "$xxx_convert() found." >&4 if $run ./try; then echo "I'll use $xxx_convert to convert floats into a string." >&4 break; else echo "...But $xxx_convert didn't work as I expected." fi else echo "$xxx_convert NOT found." >&4 fi done case "$xxx_convert" in gconvert) d_Gconvert='gconvert((x),(n),(t),(b))' ;; gcvt) d_Gconvert='gcvt((x),(n),(b))' ;; qgcvt) d_Gconvert='qgcvt((x),(n),(b))' ;; *) case "$uselongdouble$d_longdbl$d_PRIgldbl" in "$define$define$define") d_Gconvert="sprintf((b),\"%.*\"$sPRIgldbl,(n),(x))" ;; *) d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;; esac ;; esac : see if _fwalk exists set fwalk d__fwalk eval $inlibc : Initialize h_fcntl h_fcntl=false : Initialize h_sysfile h_sysfile=false : access call always available on UNIX set access d_access eval $inlibc : locate the flags for 'access()' case "$d_access" in "$define") echo " " $cat >access.c <<'EOCP' #include #ifdef I_FCNTL #include #endif #ifdef I_SYS_FILE #include #endif #ifdef I_UNISTD #include #endif int main() { exit(R_OK); } EOCP : check sys/file.h first, no particular reason here if $test `./findhdr sys/file.h` && \ $cc -o access $cppflags -DI_SYS_FILE access.c >/dev/null 2>&1 ; then h_sysfile=true; echo " defines the *_OK access constants." >&4 elif $test `./findhdr fcntl.h` && \ $cc -o access $cppflags -DI_FCNTL access.c >/dev/null 2>&1 ; then h_fcntl=true; echo " defines the *_OK access constants." >&4 elif $test `./findhdr unistd.h` && \ $cc -o access $cppflags -DI_UNISTD access.c >/dev/null 2>&1 ; then echo " defines the *_OK access constants." >&4 else echo "I can't find the four *_OK access constants--I'll use mine." >&4 fi ;; esac $rm -f access* : see if accessx exists set accessx d_accessx eval $inlibc : see if alarm exists set alarm d_alarm eval $inlibc : see if atolf exists set atolf d_atolf eval $inlibc : see if atoll exists set atoll d_atoll eval $inlibc : Look for GNU-cc style attribute checking echo " " echo "Checking whether your compiler can handle __attribute__ ..." >&4 $cat >attrib.c <<'EOCP' #include void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn)); EOCP if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then if $contains 'warning' attrib.out >/dev/null 2>&1; then echo "Your C compiler doesn't fully support __attribute__." val="$undef" else echo "Your C compiler supports __attribute__." val="$define" fi else echo "Your C compiler doesn't seem to understand __attribute__ at all." val="$undef" fi set d_attribut eval $setvar $rm -f attrib* : see if bcmp exists set bcmp d_bcmp eval $inlibc : see if bcopy exists set bcopy d_bcopy eval $inlibc : see if this is a unistd.h system set unistd.h i_unistd eval $inhdr : see if getpgrp exists set getpgrp d_getpgrp eval $inlibc case "$d_getpgrp" in "$define") echo " " echo "Checking to see which flavor of getpgrp is in use..." $cat >try.c < #ifdef I_UNISTD # include #endif int main() { if (getuid() == 0) { printf("(I see you are running Configure as super-user...)\n"); setuid(1); } #ifdef TRY_BSD_PGRP if (getpgrp(1) == 0) exit(0); #else if (getpgrp() > 0) exit(0); #endif exit(1); } EOP if $cc -o try -DTRY_BSD_PGRP $ccflags $ldflags try.c $libs >/dev/null 2>&1 && $run ./try; then echo "You have to use getpgrp(pid) instead of getpgrp()." >&4 val="$define" elif $cc -o try $ccflags $ldflags try.c $libs >/dev/null 2>&1 && $run ./try; then echo "You have to use getpgrp() instead of getpgrp(pid)." >&4 val="$undef" else echo "I can't seem to compile and run the test program." if ./usg; then xxx="a USG one, i.e. you use getpgrp()." else # SVR4 systems can appear rather BSD-ish. case "$i_unistd" in $undef) xxx="a BSD one, i.e. you use getpgrp(pid)." val="$define" ;; $define) xxx="probably a USG one, i.e. you use getpgrp()." val="$undef" ;; esac fi echo "Assuming your getpgrp is $xxx" >&4 fi ;; *) val="$undef";; esac set d_bsdgetpgrp eval $setvar $rm -f try try.* : see if setpgrp exists set setpgrp d_setpgrp eval $inlibc case "$d_setpgrp" in "$define") echo " " echo "Checking to see which flavor of setpgrp is in use..." $cat >try.c < #ifdef I_UNISTD # include #endif int main() { if (getuid() == 0) { printf("(I see you are running Configure as super-user...)\n"); setuid(1); } #ifdef TRY_BSD_PGRP if (-1 == setpgrp(1, 1)) exit(0); #else if (setpgrp() != -1) exit(0); #endif exit(1); } EOP if $cc -o try -DTRY_BSD_PGRP $ccflags $ldflags try.c $libs >/dev/null 2>&1 && $run ./try; then echo 'You have to use setpgrp(pid,pgrp) instead of setpgrp().' >&4 val="$define" elif $cc -o try $ccflags $ldflags try.c $libs >/dev/null 2>&1 && $run ./try; then echo 'You have to use setpgrp() instead of setpgrp(pid,pgrp).' >&4 val="$undef" else echo "(I can't seem to compile and run the test program.)" if ./usg; then xxx="a USG one, i.e. you use setpgrp()." else # SVR4 systems can appear rather BSD-ish. case "$i_unistd" in $undef) xxx="a BSD one, i.e. you use setpgrp(pid,pgrp)." val="$define" ;; $define) xxx="probably a USG one, i.e. you use setpgrp()." val="$undef" ;; esac fi echo "Assuming your setpgrp is $xxx" >&4 fi ;; *) val="$undef";; esac set d_bsdsetpgrp eval $setvar $rm -f try try.* : see if bzero exists set bzero d_bzero eval $inlibc : see if signal is declared as pointer to function returning int or void echo " " xxx=`./findhdr signal.h` $test "$xxx" && $cppstdin $cppminus $cppflags < $xxx >$$.tmp 2>/dev/null if $contains 'int.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then echo "You have int (*signal())() instead of void." >&4 val="$undef" elif $contains 'void.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then echo "You have void (*signal())()." >&4 val="$define" elif $contains 'extern[ ]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then echo "You have int (*signal())() instead of void." >&4 val="$undef" elif $contains 'void.*\*.*sig' $$.tmp >/dev/null 2>&1 ; then echo "You have void (*signal())()." >&4 val="$define" else case "$d_voidsig" in '') echo "I can't determine whether signal handler returns void or int..." >&4 dflt=void rp="What type does your signal handler return?" . ./myread case "$ans" in v*) val="$define";; *) val="$undef";; esac;; "$define") echo "As you already told me, signal handler returns void." >&4 val="$define" ;; *) echo "As you already told me, signal handler returns int." >&4 val="$undef" ;; esac fi set d_voidsig eval $setvar case "$d_voidsig" in "$define") signal_t="void";; *) signal_t="int";; esac $rm -f $$.tmp : check for ability to cast large floats to 32-bit ints. echo " " echo 'Checking whether your C compiler can cast large floats to int32.' >&4 if $test "$intsize" -ge 4; then xxx=int else xxx=long fi $cat >try.c < #include #include $signal_t blech(s) int s; { exit(3); } int main() { $xxx i32; double f, g; int result = 0; char str[16]; signal(SIGFPE, blech); /* Don't let compiler optimize the test away. Store the number in a writable string for gcc to pass to sscanf under HP/UX. */ sprintf(str, "2147483647"); sscanf(str, "%lf", &f); /* f = (double) 0x7fffffff; */ g = 10 * f; i32 = ($xxx) g; /* x86 processors will probably give 0x8000 0000, which is a sign change. We don't want that. We want to mimic SPARC behavior here, which is to preserve the sign and give back 0x7fff ffff. */ if (i32 != ($xxx) f) result |= 1; exit(result); } EOCP set try if eval $compile_ok; then $run ./try yyy=$? else echo "(I can't seem to compile the test program--assuming it can't)" yyy=1 fi case "$yyy" in 0) val="$define" echo "Yup, it can." ;; *) val="$undef" echo "Nope, it can't." ;; esac set d_casti32 eval $setvar $rm -f try try.* : check for ability to cast negative floats to unsigned echo " " echo 'Checking whether your C compiler can cast negative float to unsigned.' >&4 $cat >try.c < #include #include $signal_t blech(s) int s; { exit(7); } $signal_t blech_in_list(s) int s; { exit(4); } unsigned long dummy_long(p) unsigned long p; { return p; } unsigned int dummy_int(p) unsigned int p; { return p; } unsigned short dummy_short(p) unsigned short p; { return p; } int main() { double f; unsigned long along; unsigned int aint; unsigned short ashort; int result = 0; char str[16]; /* Frustrate gcc-2.7.2's optimizer which failed this test with a direct f = -123. assignment. gcc-2.8.0 reportedly optimized the whole file away */ /* Store the number in a writable string for gcc to pass to sscanf under HP/UX. */ sprintf(str, "-123"); sscanf(str, "%lf", &f); /* f = -123.; */ signal(SIGFPE, blech); along = (unsigned long)f; aint = (unsigned int)f; ashort = (unsigned short)f; if (along != (unsigned long)-123) result |= 1; if (aint != (unsigned int)-123) result |= 1; if (ashort != (unsigned short)-123) result |= 1; sprintf(str, "1073741824."); sscanf(str, "%lf", &f); /* f = (double)0x40000000; */ f = f + f; along = 0; along = (unsigned long)f; if (along != 0x80000000) result |= 2; f -= 1.; along = 0; along = (unsigned long)f; if (along != 0x7fffffff) result |= 1; f += 2.; along = 0; along = (unsigned long)f; if (along != 0x80000001) result |= 2; if (result) exit(result); signal(SIGFPE, blech_in_list); sprintf(str, "123."); sscanf(str, "%lf", &f); /* f = 123.; */ along = dummy_long((unsigned long)f); aint = dummy_int((unsigned int)f); ashort = dummy_short((unsigned short)f); if (along != (unsigned long)123) result |= 4; if (aint != (unsigned int)123) result |= 4; if (ashort != (unsigned short)123) result |= 4; exit(result); } EOCP set try if eval $compile_ok; then $run ./try castflags=$? else echo "(I can't seem to compile the test program--assuming it can't)" castflags=7 fi case "$castflags" in 0) val="$define" echo "Yup, it can." ;; *) val="$undef" echo "Nope, it can't." ;; esac set d_castneg eval $setvar $rm -f try.* : see if vprintf exists echo " " if set vprintf val -f d_vprintf; eval $csym; $val; then echo 'vprintf() found.' >&4 val="$define" $cat >try.c <<'EOF' #include int main() { xxx("foo"); } xxx(va_alist) va_dcl { va_list args; char buf[10]; va_start(args); exit((unsigned long)vsprintf(buf,"%s",args) > 10L); } EOF set try if eval $compile && $run ./try; then echo "Your vsprintf() returns (int)." >&4 val2="$undef" else echo "Your vsprintf() returns (char*)." >&4 val2="$define" fi else echo 'vprintf() NOT found.' >&4 val="$undef" val2="$undef" fi $rm -f try try.* set d_vprintf eval $setvar val=$val2 set d_charvspr eval $setvar : see if chown exists set chown d_chown eval $inlibc : see if chroot exists set chroot d_chroot eval $inlibc : see if chsize exists set chsize d_chsize eval $inlibc : see if class exists set class d_class eval $inlibc hasstruct='varname=$1; struct=$2; shift; shift; while $test $# -ge 2; do case "$1" in $define) echo "#include <$2>";; esac ; shift 2; done > try.c; echo "int main () { struct $struct foo; }" >> try.c; set try; if eval $compile; then val="$define"; else val="$undef"; fi; set $varname; eval $setvar; $rm -f try.c try.o' : see if sys/types.h has to be included set sys/types.h i_systypes eval $inhdr hasfield='varname=$1; struct=$2; field=$3; shift; shift; shift; while $test $# -ge 2; do case "$1" in $define) echo "#include <$2>";; esac ; shift 2; done > try.c; echo "int main () { struct $struct foo; char* bar; bar = (char*)foo.$field; }" >> try.c; set try; if eval $compile; then val="$define"; else val="$undef"; fi; set $varname; eval $setvar; $rm -f try.c try.o' socketlib='' sockethdr='' : see whether socket exists echo " " $echo $n "Hmm... $c" >&4 if set socket val -f d_socket; eval $csym; $val; then echo "Looks like you have Berkeley networking support." >&4 d_socket="$define" if set setsockopt val -f; eval $csym; $val; then d_oldsock="$undef" else echo "...but it uses the old BSD 4.1c interface, rather than 4.2." >&4 d_oldsock="$define" fi else if $contains socklib libc.list >/dev/null 2>&1; then echo "Looks like you have Berkeley networking support." >&4 d_socket="$define" : we will have to assume that it supports the 4.2 BSD interface d_oldsock="$undef" else echo "You don't have Berkeley networking in libc$_a..." >&4 if test "X$d_socket" = "X$define"; then echo "...but you seem to believe that you have sockets." >&4 else for net in net socket do if test -f /usr/lib/lib$net$_a; then ( ($nm $nm_opt /usr/lib/lib$net$_a | eval $nm_extract) || \ $ar t /usr/lib/lib$net$_a) 2>/dev/null >> libc.list if $contains socket libc.list >/dev/null 2>&1; then d_socket="$define" socketlib="-l$net" case "$net" in net) echo "...but the Wollongong group seems to have hacked it in." >&4 sockethdr="-I/usr/netinclude" ;; esac echo "Found Berkeley sockets interface in lib$net." >&4 if $contains setsockopt libc.list >/dev/null 2>&1; then d_oldsock="$undef" else echo "...using the old BSD 4.1c interface, rather than 4.2." >&4 d_oldsock="$define" fi break fi fi done if test "X$d_socket" != "X$define"; then echo "or anywhere else I see." >&4 d_socket="$undef" d_oldsock="$undef" fi fi fi fi : see if socketpair exists set socketpair d_sockpair eval $inlibc echo " " echo "Checking the availability of certain socket constants..." >&4 for ENUM in MSG_CTRUNC MSG_DONTROUTE MSG_OOB MSG_PEEK MSG_PROXY SCM_RIGHTS; do enum=`$echo $ENUM|./tr '[A-Z]' '[a-z]'` $cat >try.c < #include int main() { int i = $ENUM; } EOF val="$undef" set try; if eval $compile; then val="$define" fi set d_${enum}; eval $setvar $rm -f try.c try done : see if this is a sys/uio.h system set sys/uio.h i_sysuio eval $inhdr echo " " echo "Checking to see if your system supports struct cmsghdr..." >&4 set d_cmsghdr_s cmsghdr $i_systypes sys/types.h $d_socket sys/socket.h $i_sysuio sys/uio.h eval $hasstruct case "$d_cmsghdr_s" in "$define") echo "Yes, it does." ;; *) echo "No, it doesn't." ;; esac : check for const keyword echo " " echo 'Checking to see if your C compiler knows about "const"...' >&4 $cat >const.c <<'EOCP' typedef struct spug { int drokk; } spug; int main() { const char *foo; const spug y; } EOCP if $cc -c $ccflags const.c >/dev/null 2>&1 ; then val="$define" echo "Yup, it does." else val="$undef" echo "Nope, it doesn't." fi set d_const eval $setvar : see if crypt exists echo " " set crypt d_crypt eval $inlibc case "$d_crypt" in $define) cryptlib='' ;; *) if set crypt val -f d_crypt; eval $csym; $val; then echo 'crypt() found.' >&4 val="$define" cryptlib='' else cryptlib=`./loc Slibcrypt$_a "" $xlibpth` if $test -z "$cryptlib"; then cryptlib=`./loc Mlibcrypt$_a "" $xlibpth` else cryptlib=-lcrypt fi if $test -z "$cryptlib"; then cryptlib=`./loc Llibcrypt$_a "" $xlibpth` else cryptlib=-lcrypt fi if $test -z "$cryptlib"; then cryptlib=`./loc libcrypt$_a "" $libpth` else cryptlib=-lcrypt fi if $test -z "$cryptlib"; then echo 'crypt() NOT found.' >&4 val="$undef" else val="$define" fi fi set d_crypt eval $setvar ;; esac : get csh whereabouts case "$csh" in 'csh') val="$undef" ;; *) val="$define" ;; esac set d_csh eval $setvar : Respect a hint or command line value for full_csh. case "$full_csh" in '') full_csh=$csh ;; esac : see if cuserid exists set cuserid d_cuserid eval $inlibc : see if this is a limits.h system set limits.h i_limits eval $inhdr : see if this is a float.h system set float.h i_float eval $inhdr : See if number of significant digits in a double precision number is known echo " " $cat >dbl_dig.c < #endif #ifdef I_FLOAT #include #endif #ifdef DBL_DIG printf("Contains DBL_DIG"); #endif EOM $cppstdin $cppflags $cppminus < dbl_dig.c >dbl_dig.E 2>/dev/null if $contains 'DBL_DIG' dbl_dig.E >/dev/null 2>&1; then echo "DBL_DIG found." >&4 val="$define" else echo "DBL_DIG NOT found." >&4 val="$undef" fi $rm -f dbl_dig.? set d_dbl_dig eval $setvar hasproto='varname=$1; func=$2; shift; shift; while $test $# -ge 2; do case "$1" in $define) echo "#include <$2>";; esac ; shift 2; done > try.c; $cppstdin $cppflags $cppminus < try.c > tryout.c 2>/dev/null; if $contains "$func.*(" tryout.c >/dev/null 2>&1; then echo "$func() prototype found."; val="$define"; else echo "$func() prototype NOT found."; val="$undef"; fi; set $varname; eval $setvar; $rm -f try.c tryout.c' : see if dbm.h is available : see if dbmclose exists set dbmclose d_dbmclose eval $inlibc case "$d_dbmclose" in $define) set dbm.h i_dbm eval $inhdr case "$i_dbm" in $define) val="$undef" set i_rpcsvcdbm eval $setvar ;; *) set rpcsvc/dbm.h i_rpcsvcdbm eval $inhdr ;; esac ;; *) echo "We won't be including " val="$undef" set i_dbm eval $setvar val="$undef" set i_rpcsvcdbm eval $setvar ;; esac : see if prototype for dbminit is available echo " " set d_dbminitproto dbminit $i_dbm dbm.h eval $hasproto : see if difftime exists set difftime d_difftime eval $inlibc : see if this is a dirent system echo " " if xinc=`./findhdr dirent.h`; $test "$xinc"; then val="$define" echo " found." >&4 else val="$undef" if xinc=`./findhdr sys/dir.h`; $test "$xinc"; then echo " found." >&4 echo " " else xinc=`./findhdr sys/ndir.h` fi echo " NOT found." >&4 fi set i_dirent eval $setvar : Look for type of directory structure. echo " " $cppstdin $cppflags $cppminus < "$xinc" > try.c case "$direntrytype" in ''|' ') case "$i_dirent" in $define) guess1='struct dirent' ;; *) guess1='struct direct' ;; esac ;; *) guess1="$direntrytype" ;; esac case "$guess1" in 'struct dirent') guess2='struct direct' ;; *) guess2='struct dirent' ;; esac if $contains "$guess1" try.c >/dev/null 2>&1; then direntrytype="$guess1" echo "Your directory entries are $direntrytype." >&4 elif $contains "$guess2" try.c >/dev/null 2>&1; then direntrytype="$guess2" echo "Your directory entries seem to be $direntrytype." >&4 else echo "I don't recognize your system's directory entries." >&4 rp="What type is used for directory entries on this system?" dflt="$guess1" . ./myread direntrytype="$ans" fi $rm -f try.c : see if the directory entry stores field length echo " " $cppstdin $cppflags $cppminus < "$xinc" > try.c if $contains 'd_namlen' try.c >/dev/null 2>&1; then echo "Good, your directory entry keeps length information in d_namlen." >&4 val="$define" else echo "Your directory entry does not know about the d_namlen field." >&4 val="$undef" fi set d_dirnamlen eval $setvar $rm -f try.c : see if this is an sysdir system set sys/dir.h i_sysdir eval $inhdr : see if this is an sysndir system set sys/ndir.h i_sysndir eval $inhdr : Look for dirfd echo " " $cat >dirfd.c < #$i_dirent I_DIRENT /**/ #$i_sysdir I_SYS_DIR /**/ #$i_sysndir I_SYS_NDIR /**/ #$i_systypes I_SYS_TYPES /**/ #if defined(I_SYS_TYPES) #include #endif #if defined(I_DIRENT) #include #if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */ #include #endif #else #ifdef I_SYS_NDIR #include #else #ifdef I_SYS_DIR #ifdef hp9000s500 #include /* may be wrong in the future */ #else #include #endif #endif #endif #endif int main() { DIR *dirp = opendir("."); if (dirfd(dirp) >= 0) exit(0); else exit(1); } EOM set dirfd if eval $compile; then val="$define" fi case "$val" in $define) echo "dirfd() found." >&4 ;; *) echo "dirfd() NOT found." >&4 ;; esac set d_dirfd eval $setvar $rm -f dirfd* : see if dlerror exists xxx_runnm="$runnm" runnm=false set dlerror d_dlerror eval $inlibc runnm="$xxx_runnm" : see if dlfcn is available set dlfcn.h i_dlfcn eval $inhdr case "$usedl" in $define|y|true) $cat << EOM On a few systems, the dynamically loaded modules that perl generates and uses will need a different extension than shared libs. The default will probably be appropriate. EOM case "$dlext" in '') dflt="$so" ;; *) dflt="$dlext" ;; esac rp='What is the extension of dynamically loaded modules' . ./myread dlext="$ans" ;; *) dlext="none" ;; esac : Check if dlsym need a leading underscore echo " " val="$undef" case "$dlsrc" in dl_dlopen.xs) echo "Checking whether your dlsym() needs a leading underscore ..." >&4 $cat >dyna.c <<'EOM' fred () { } EOM $cat >fred.c< #$i_dlfcn I_DLFCN #ifdef I_DLFCN #include /* the dynamic linker include file for SunOS/Solaris */ #else #include #include #include #endif extern int fred() ; int main() { void * handle ; void * symbol ; #ifndef RTLD_LAZY int mode = 1 ; #else int mode = RTLD_LAZY ; #endif handle = dlopen("./dyna.$dlext", mode) ; if (handle == NULL) { printf ("1\n") ; fflush (stdout) ; exit(0); } symbol = dlsym(handle, "fred") ; if (symbol == NULL) { /* try putting a leading underscore */ symbol = dlsym(handle, "_fred") ; if (symbol == NULL) { printf ("2\n") ; fflush (stdout) ; exit(0); } printf ("3\n") ; } else printf ("4\n") ; fflush (stdout) ; exit(0); } EOM : Call the object file tmp-dyna.o in case dlext=o. if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 && mv dyna${_o} tmp-dyna${_o} > /dev/null 2>&1 && $ld -o dyna.$dlext $ldflags $lddlflags tmp-dyna${_o} > /dev/null 2>&1 && $cc -o fred $ccflags $ldflags $cccdlflags $ccdlflags fred.c $libs > /dev/null 2>&1 && $to dyna.$dlext; then xxx=`$run ./fred` case $xxx in 1) echo "Test program failed using dlopen." >&4 echo "Perhaps you should not use dynamic loading." >&4;; 2) echo "Test program failed using dlsym." >&4 echo "Perhaps you should not use dynamic loading." >&4;; 3) echo "dlsym needs a leading underscore" >&4 val="$define" ;; 4) echo "dlsym doesn't need a leading underscore." >&4;; esac else echo "I can't compile and run the test program." >&4 echo "I'm guessing that dlsym doesn't need a leading underscore." >&4 fi ;; esac $rm -f fred fred.* dyna.$dlext dyna.* tmp-dyna.* set d_dlsymun eval $setvar : see if prototype for drand48 is available echo " " set d_drand48proto drand48 $i_stdlib stdlib.h $i_unistd unistd.h eval $hasproto : see if dup2 exists set dup2 d_dup2 eval $inlibc : see if eaccess exists set eaccess d_eaccess eval $inlibc : see if endgrent exists set endgrent d_endgrent eval $inlibc : see if endhostent exists set endhostent d_endhent eval $inlibc : see if endnetent exists set endnetent d_endnent eval $inlibc : see if endprotoent exists set endprotoent d_endpent eval $inlibc : see if endpwent exists set endpwent d_endpwent eval $inlibc : see if endservent exists set endservent d_endsent eval $inlibc : Locate the flags for 'open()' echo " " $cat >try.c <<'EOCP' #include #ifdef I_FCNTL #include #endif #ifdef I_SYS_FILE #include #endif int main() { if(O_RDONLY); #ifdef O_TRUNC exit(0); #else exit(1); #endif } EOCP : check sys/file.h first to get FREAD on Sun if $test `./findhdr sys/file.h` && \ set try -DI_SYS_FILE && eval $compile; then h_sysfile=true; echo " defines the O_* constants..." >&4 if $run ./try; then echo "and you have the 3 argument form of open()." >&4 val="$define" else echo "but not the 3 argument form of open(). Oh, well." >&4 val="$undef" fi elif $test `./findhdr fcntl.h` && \ set try -DI_FCNTL && eval $compile; then h_fcntl=true; echo " defines the O_* constants..." >&4 if $run ./try; then echo "and you have the 3 argument form of open()." >&4 val="$define" else echo "but not the 3 argument form of open(). Oh, well." >&4 val="$undef" fi else val="$undef" echo "I can't find the O_* constant definitions! You got problems." >&4 fi set d_open3 eval $setvar $rm -f try try.* : see which of string.h or strings.h is needed echo " " strings=`./findhdr string.h` if $test "$strings" && $test -r "$strings"; then echo "Using instead of ." >&4 val="$define" else val="$undef" strings=`./findhdr strings.h` if $test "$strings" && $test -r "$strings"; then echo "Using instead of ." >&4 else echo "No string header found -- You'll surely have problems." >&4 fi fi set i_string eval $setvar case "$i_string" in "$undef") strings=`./findhdr strings.h`;; *) strings=`./findhdr string.h`;; esac : see if this is a sys/file.h system val='' set sys/file.h val eval $inhdr : do we need to include sys/file.h ? case "$val" in "$define") echo " " if $h_sysfile; then val="$define" echo "We'll be including ." >&4 else val="$undef" echo "We won't be including ." >&4 fi ;; *) h_sysfile=false ;; esac set i_sysfile eval $setvar : see if fcntl.h is there val='' set fcntl.h val eval $inhdr : see if we can include fcntl.h case "$val" in "$define") echo " " if $h_fcntl; then val="$define" echo "We'll be including ." >&4 else val="$undef" if $h_sysfile; then echo "We don't need to include if we include ." >&4 else echo "We won't be including ." >&4 fi fi ;; *) h_fcntl=false val="$undef" ;; esac set i_fcntl eval $setvar : check for non-blocking I/O stuff case "$h_sysfile" in true) echo "#include " > head.c;; *) case "$h_fcntl" in true) echo "#include " > head.c;; *) echo "#include " > head.c;; esac ;; esac echo " " echo "Figuring out the flag used by open() for non-blocking I/O..." >&4 case "$o_nonblock" in '') $cat head.c > try.c $cat >>try.c < #include #$i_fcntl I_FCNTL #ifdef I_FCNTL #include #endif int main() { #ifdef O_NONBLOCK printf("O_NONBLOCK\n"); exit(0); #endif #ifdef O_NDELAY printf("O_NDELAY\n"); exit(0); #endif #ifdef FNDELAY printf("FNDELAY\n"); exit(0); #endif exit(0); } EOCP set try if eval $compile_ok; then o_nonblock=`$run ./try` case "$o_nonblock" in '') echo "I can't figure it out, assuming O_NONBLOCK will do.";; *) echo "Seems like we can use $o_nonblock.";; esac else echo "(I can't compile the test program; pray O_NONBLOCK is right!)" fi ;; *) echo "Using $hint value $o_nonblock.";; esac $rm -f try try.* .out core echo " " echo "Let's see what value errno gets from read() on a $o_nonblock file..." >&4 case "$eagain" in '') $cat head.c > try.c $cat >>try.c < #include #include #include #include #$i_fcntl I_FCNTL #ifdef I_FCNTL #include #endif #define MY_O_NONBLOCK $o_nonblock #ifndef errno /* XXX need better Configure test */ extern int errno; #endif #$i_unistd I_UNISTD #ifdef I_UNISTD #include #endif #$i_string I_STRING #ifdef I_STRING #include #else #include #endif $signal_t blech(x) int x; { exit(3); } EOCP $cat >> try.c <<'EOCP' int main() { int pd[2]; int pu[2]; char buf[1]; char string[100]; pipe(pd); /* Down: child -> parent */ pipe(pu); /* Up: parent -> child */ if (0 != fork()) { int ret; close(pd[1]); /* Parent reads from pd[0] */ close(pu[0]); /* Parent writes (blocking) to pu[1] */ #ifdef F_SETFL if (-1 == fcntl(pd[0], F_SETFL, MY_O_NONBLOCK)) exit(1); #else exit(4); #endif signal(SIGALRM, blech); alarm(5); if ((ret = read(pd[0], buf, 1)) > 0) /* Nothing to read! */ exit(2); sprintf(string, "%d\n", ret); write(2, string, strlen(string)); alarm(0); #ifdef EAGAIN if (errno == EAGAIN) { printf("EAGAIN\n"); goto ok; } #endif #ifdef EWOULDBLOCK if (errno == EWOULDBLOCK) printf("EWOULDBLOCK\n"); #endif ok: write(pu[1], buf, 1); /* Unblocks child, tell it to close our pipe */ sleep(2); /* Give it time to close our pipe */ alarm(5); ret = read(pd[0], buf, 1); /* Should read EOF */ alarm(0); sprintf(string, "%d\n", ret); write(4, string, strlen(string)); exit(0); } close(pd[0]); /* We write to pd[1] */ close(pu[1]); /* We read from pu[0] */ read(pu[0], buf, 1); /* Wait for parent to signal us we may continue */ close(pd[1]); /* Pipe pd is now fully closed! */ exit(0); /* Bye bye, thank you for playing! */ } EOCP set try if eval $compile_ok; then echo "$startsh" >mtry echo "$run ./try >try.out 2>try.ret 4>try.err || exit 4" >>mtry chmod +x mtry ./mtry >/dev/null 2>&1 case $? in 0) eagain=`$cat try.out`;; 1) echo "Could not perform non-blocking setting!";; 2) echo "I did a successful read() for something that was not there!";; 3) echo "Hmm... non-blocking I/O does not seem to be working!";; 4) echo "Could not find F_SETFL!";; *) echo "Something terribly wrong happened during testing.";; esac rd_nodata=`$cat try.ret` echo "A read() system call with no data present returns $rd_nodata." case "$rd_nodata" in 0|-1) ;; *) echo "(That's peculiar, fixing that to be -1.)" rd_nodata=-1 ;; esac case "$eagain" in '') echo "Forcing errno EAGAIN on read() with no data available." eagain=EAGAIN ;; *) echo "Your read() sets errno to $eagain when no data is available." ;; esac status=`$cat try.err` case "$status" in 0) echo "And it correctly returns 0 to signal EOF.";; -1) echo "But it also returns -1 to signal EOF, so be careful!";; *) echo "However, your read() returns '$status' on EOF??";; esac val="$define" if test "$status" = "$rd_nodata"; then echo "WARNING: you can't distinguish between EOF and no data!" val="$undef" fi else echo "I can't compile the test program--assuming errno EAGAIN will do." eagain=EAGAIN fi set d_eofnblk eval $setvar ;; *) echo "Using $hint value $eagain." echo "Your read() returns $rd_nodata when no data is present." case "$d_eofnblk" in "$define") echo "And you can see EOF because read() returns 0.";; "$undef") echo "But you can't see EOF status from read() returned value.";; *) echo "(Assuming you can't see EOF status from read anyway.)" d_eofnblk=$undef ;; esac ;; esac $rm -f try try.* .out core head.c mtry : see if fchdir exists set fchdir d_fchdir eval $inlibc : see if fchmod exists set fchmod d_fchmod eval $inlibc : see if fchown exists set fchown d_fchown eval $inlibc : see if this is an fcntl system set fcntl d_fcntl eval $inlibc echo " " : See if fcntl-based locking works. $cat >try.c < #include #include #include $signal_t blech(x) int x; { exit(3); } int main() { #if defined(F_SETLK) && defined(F_SETLKW) struct flock flock; int retval, fd; fd = open("try.c", O_RDONLY); flock.l_type = F_RDLCK; flock.l_whence = SEEK_SET; flock.l_start = flock.l_len = 0; signal(SIGALRM, blech); alarm(10); retval = fcntl(fd, F_SETLK, &flock); close(fd); (retval < 0 ? exit(2) : exit(0)); #else exit(2); #endif } EOCP echo "Checking if fcntl-based file locking works... " case "$d_fcntl" in "$define") set try if eval $compile_ok; then if $run ./try; then echo "Yes, it seems to work." val="$define" else echo "Nope, it didn't work." val="$undef" case "$?" in 3) $cat >&4 <, or both." >&4 $echo $n "I'm now running the test program...$c" $cat >try.c <<'EOCP' #include #ifdef I_TIME #include #endif #ifdef I_SYSTIME #ifdef SYSTIMEKERNEL #define KERNEL #endif #include #endif #ifdef I_SYSSELECT #include #endif int main() { struct tm foo; #ifdef S_TIMEVAL struct timeval bar; #endif #ifdef S_TIMEZONE struct timezone tzp; #endif if (foo.tm_sec == foo.tm_sec) exit(0); #ifdef S_TIMEVAL if (bar.tv_sec == bar.tv_sec) exit(0); #endif exit(1); } EOCP flags='' for s_timezone in '-DS_TIMEZONE' ''; do sysselect='' for s_timeval in '-DS_TIMEVAL' ''; do for i_systimek in '' '-DSYSTIMEKERNEL'; do for i_time in '' '-DI_TIME'; do for i_systime in '-DI_SYSTIME' ''; do case "$flags" in '') $echo $n ".$c" set try $i_time $i_systime $i_systimek $sysselect $s_timeval $s_timezone if eval $compile; then set X $i_time $i_systime $i_systimek $sysselect $s_timeval shift flags="$*" echo " " $echo $n "Succeeded with $flags$c" fi ;; esac done done done done done timeincl='' echo " " case "$flags" in *SYSTIMEKERNEL*) i_systimek="$define" timeincl=`./findhdr sys/time.h` echo "We'll include with KERNEL defined." >&4;; *) i_systimek="$undef";; esac case "$flags" in *I_TIME*) i_time="$define" timeincl=`./findhdr time.h`" $timeincl" echo "We'll include ." >&4;; *) i_time="$undef";; esac case "$flags" in *I_SYSTIME*) i_systime="$define" timeincl=`./findhdr sys/time.h`" $timeincl" echo "We'll include ." >&4;; *) i_systime="$undef";; esac $rm -f try.c try fi : check for fd_set items $cat <try.c < #ifdef HAS_SOCKET #include /* Might include */ #endif #ifdef I_SYS_TIME #include #endif #ifdef I_SYS_SELECT #include #endif int main() { fd_set fds; #ifdef TRYBITS if(fds.fds_bits); #endif #if defined(FD_SET) && defined(FD_CLR) && defined(FD_ISSET) && defined(FD_ZERO) exit(0); #else exit(1); #endif } EOCP set try -DTRYBITS if eval $compile; then d_fds_bits="$define" d_fd_set="$define" echo "Well, your system knows about the normal fd_set typedef..." >&4 if $run ./try; then echo "and you have the normal fd_set macros (just as I'd expect)." >&4 d_fd_macros="$define" else $cat >&4 <<'EOM' but not the normal fd_set macros! Gaaack! I'll have to cover for you. EOM d_fd_macros="$undef" fi else $cat <<'EOM' Hmm, your compiler has some difficulty with fd_set. Checking further... EOM set try if eval $compile; then d_fds_bits="$undef" d_fd_set="$define" echo "Well, your system has some sort of fd_set available..." >&4 if $run ./try; then echo "and you have the normal fd_set macros." >&4 d_fd_macros="$define" else $cat <<'EOM' but not the normal fd_set macros! Gross! More work for me... EOM d_fd_macros="$undef" fi else echo "Well, you got zip. That's OK, I can roll my own fd_set stuff." >&4 d_fd_set="$undef" d_fds_bits="$undef" d_fd_macros="$undef" fi fi $rm -f try try.* : see if fgetpos exists set fgetpos d_fgetpos eval $inlibc : see if finite exists set finite d_finite eval $inlibc : see if finitel exists set finitel d_finitel eval $inlibc : see if flock exists set flock d_flock eval $inlibc : see if prototype for flock is available echo " " set d_flockproto flock $i_sysfile sys/file.h eval $hasproto : see if fork exists set fork d_fork eval $inlibc : see if fp_class exists set fp_class d_fp_class eval $inlibc : see if pathconf exists set pathconf d_pathconf eval $inlibc : see if fpathconf exists set fpathconf d_fpathconf eval $inlibc : see if fpclass exists set fpclass d_fpclass eval $inlibc : see if fpclassify exists set fpclassify d_fpclassify eval $inlibc : see if fpclassl exists set fpclassl d_fpclassl eval $inlibc : check for fpos64_t echo " " echo "Checking to see if you have fpos64_t..." >&4 $cat >try.c < int main() { fpos64_t x = 7; } EOCP set try if eval $compile; then val="$define" echo "You have fpos64_t." else val="$undef" echo "You do not have fpos64_t." case "$fpossize" in 8) echo "(Your fpos_t is 64 bits, so you could use that.)" ;; esac fi $rm -f try.* try set d_fpos64_t eval $setvar : see if frexpl exists set frexpl d_frexpl eval $inlibc : see if this is a sys/param system set sys/param.h i_sysparam eval $inhdr : see if this is a sys/mount.h system set sys/mount.h i_sysmount eval $inhdr echo " " echo "Checking to see if your system supports struct fs_data..." >&4 set d_fs_data_s fs_data $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h eval $hasstruct case "$d_fs_data_s" in "$define") echo "Yes, it does." ;; *) echo "No, it doesn't." ;; esac : see if fseeko exists set fseeko d_fseeko eval $inlibc case "$longsize" in 8) echo "(Your long is 64 bits, so you could use fseek.)" ;; esac : see if fsetpos exists set fsetpos d_fsetpos eval $inlibc : see if fstatfs exists set fstatfs d_fstatfs eval $inlibc : see if statvfs exists set statvfs d_statvfs eval $inlibc : see if fstatvfs exists set fstatvfs d_fstatvfs eval $inlibc : see if fsync exists set fsync d_fsync eval $inlibc : see if ftello exists set ftello d_ftello eval $inlibc case "$longsize" in 8) echo "(Your long is 64 bits, so you could use ftell.)" ;; esac : see if getcwd exists set getcwd d_getcwd eval $inlibc : see if getespwnam exists set getespwnam d_getespwnam eval $inlibc : see if getfsstat exists set getfsstat d_getfsstat eval $inlibc : see if getgrent exists set getgrent d_getgrent eval $inlibc : see if gethostbyaddr exists set gethostbyaddr d_gethbyaddr eval $inlibc : see if gethostbyname exists set gethostbyname d_gethbyname eval $inlibc : see if gethostent exists set gethostent d_gethent eval $inlibc : see how we will look up host name echo " " call='' if set gethostname val -f d_gethname; eval $csym; $val; then echo 'gethostname() found.' >&4 d_gethname="$define" call=gethostname fi if set uname val -f d_uname; eval $csym; $val; then if ./xenix; then $cat <<'EOM' uname() was found, but you're running xenix, and older versions of xenix have a broken uname(). If you don't really know whether your xenix is old enough to have a broken system call, use the default answer. EOM dflt=y case "$d_uname" in "$define") dflt=n;; esac rp='Is your uname() broken?' . ./myread case "$ans" in n*) d_uname="$define"; call=uname;; esac else echo 'uname() found.' >&4 d_uname="$define" case "$call" in '') call=uname ;; esac fi fi case "$d_gethname" in '') d_gethname="$undef";; esac case "$d_uname" in '') d_uname="$undef";; esac case "$d_uname$d_gethname" in *define*) dflt=n cat <&4;; *) echo "I'll use 'popen("'"'$aphostname'", "r")'"' to get your hostname." >&4 ;; esac;; esac case "$d_phostname" in '') d_phostname="$undef";; esac : see if this is a netdb.h system set netdb.h i_netdb eval $inhdr : see if prototypes for various gethostxxx netdb.h functions are available echo " " set d_gethostprotos gethostent $i_netdb netdb.h eval $hasproto : see if getitimer exists set getitimer d_getitimer eval $inlibc : see if getlogin exists set getlogin d_getlogin eval $inlibc : see if getmnt exists set getmnt d_getmnt eval $inlibc : see if getmntent exists set getmntent d_getmntent eval $inlibc : see if getnetbyaddr exists set getnetbyaddr d_getnbyaddr eval $inlibc : see if getnetbyname exists set getnetbyname d_getnbyname eval $inlibc : see if getnetent exists set getnetent d_getnent eval $inlibc : see if prototypes for various getnetxxx netdb.h functions are available echo " " set d_getnetprotos getnetent $i_netdb netdb.h eval $hasproto : see if getpagesize exists set getpagesize d_getpagsz eval $inlibc : see if getprotobyname exists set getprotobyname d_getpbyname eval $inlibc : see if getprotobynumber exists set getprotobynumber d_getpbynumber eval $inlibc : see if getprotoent exists set getprotoent d_getpent eval $inlibc : see if getpgid exists set getpgid d_getpgid eval $inlibc : see if getpgrp2 exists set getpgrp2 d_getpgrp2 eval $inlibc : see if getppid exists set getppid d_getppid eval $inlibc : see if getpriority exists set getpriority d_getprior eval $inlibc : see if prototypes for various getprotoxxx netdb.h functions are available echo " " set d_getprotoprotos getprotoent $i_netdb netdb.h eval $hasproto : see if getprpwnam exists set getprpwnam d_getprpwnam eval $inlibc : see if getpwent exists set getpwent d_getpwent eval $inlibc : see if getservbyname exists set getservbyname d_getsbyname eval $inlibc : see if getservbyport exists set getservbyport d_getsbyport eval $inlibc : see if getservent exists set getservent d_getsent eval $inlibc : see if prototypes for various getservxxx netdb.h functions are available echo " " set d_getservprotos getservent $i_netdb netdb.h eval $hasproto : see if getspnam exists set getspnam d_getspnam eval $inlibc : see if gettimeofday or ftime exists set gettimeofday d_gettimeod eval $inlibc case "$d_gettimeod" in "$undef") set ftime d_ftime eval $inlibc ;; *) val="$undef"; set d_ftime; eval $setvar ;; esac case "$d_gettimeod$d_ftime" in "$undef$undef") echo " " echo 'No ftime() nor gettimeofday() -- timing may be less accurate.' >&4 ;; esac : see if this is an grp system set grp.h i_grp eval $inhdr case "$i_grp" in $define) xxx=`./findhdr grp.h` $cppstdin $cppflags $cppminus < $xxx >$$.h if $contains 'gr_passwd' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_grpasswd eval $setvar $rm -f $$.h ;; *) val="$undef"; set d_grpasswd; eval $setvar ;; esac : see if hasmntopt exists set hasmntopt d_hasmntopt eval $inlibc : see if this is a netinet/in.h or sys/in.h system set netinet/in.h i_niin sys/in.h i_sysin eval $inhdr : see if arpa/inet.h has to be included set arpa/inet.h i_arpainet eval $inhdr : see if htonl --and friends-- exists val='' set htonl val eval $inlibc : Maybe they are macros. case "$val" in $undef) $cat >htonl.c < #include #$i_niin I_NETINET_IN #$i_sysin I_SYS_IN #$i_arpainet I_ARPA_INET #ifdef I_NETINET_IN #include #endif #ifdef I_SYS_IN #include #endif #ifdef I_ARPA_INET #include #endif #ifdef htonl printf("Defined as a macro."); #endif EOM $cppstdin $cppflags $cppminus < htonl.c >htonl.E 2>/dev/null if $contains 'Defined as a macro' htonl.E >/dev/null 2>&1; then val="$define" echo "But it seems to be defined as a macro." >&4 fi $rm -f htonl.? ;; esac set d_htonl eval $setvar : index or strchr echo " " if set index val -f; eval $csym; $val; then if set strchr val -f d_strchr; eval $csym; $val; then if $contains strchr "$strings" >/dev/null 2>&1 ; then val="$define" vali="$undef" echo "strchr() found." >&4 else val="$undef" vali="$define" echo "index() found." >&4 fi else val="$undef" vali="$define" echo "index() found." >&4 fi else if set strchr val -f d_strchr; eval $csym; $val; then val="$define" vali="$undef" echo "strchr() found." >&4 else echo "No index() or strchr() found!" >&4 val="$undef" vali="$undef" fi fi set d_strchr; eval $setvar val="$vali" set d_index; eval $setvar : check whether inet_aton exists set inet_aton d_inetaton eval $inlibc : Look for isascii echo " " $cat >isascii.c <<'EOCP' #include #include int main() { int c = 'A'; if (isascii(c)) exit(0); else exit(1); } EOCP set isascii if eval $compile; then echo "isascii() found." >&4 val="$define" else echo "isascii() NOT found." >&4 val="$undef" fi set d_isascii eval $setvar $rm -f isascii* : see if isfinite exists set isfinite d_isfinite eval $inlibc : see if isinf exists set isinf d_isinf eval $inlibc : see if isnan exists set isnan d_isnan eval $inlibc : see if isnanl exists set isnanl d_isnanl eval $inlibc : see if killpg exists set killpg d_killpg eval $inlibc : see if lchown exists echo " " $cat > try.c <<'EOCP' /* System header to define __stub macros and hopefully few prototypes, which can conflict with char lchown(); below. */ #include /* Override any gcc2 internal prototype to avoid an error. */ /* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */ char lchown(); int main() { /* The GNU C library defines this for functions which it implements to always fail with ENOSYS. Some functions are actually named something starting with __ and the normal name is an alias. */ #if defined (__stub_lchown) || defined (__stub___lchown) choke me #else lchown(); #endif ; return 0; } EOCP set try if eval $compile; then $echo "lchown() found." >&4 val="$define" else $echo "lchown() NOT found." >&4 val="$undef" fi set d_lchown eval $setvar : See if number of significant digits in a double precision number is known echo " " $cat >ldbl_dig.c < #endif #ifdef I_FLOAT #include #endif #ifdef LDBL_DIG printf("Contains LDBL_DIG"); #endif EOM $cppstdin $cppflags $cppminus < ldbl_dig.c >ldbl_dig.E 2>/dev/null if $contains 'LDBL_DIG' ldbl_dig.E >/dev/null 2>&1; then echo "LDBL_DIG found." >&4 val="$define" else echo "LDBL_DIG NOT found." >&4 val="$undef" fi $rm -f ldbl_dig.? set d_ldbl_dig eval $setvar : see if link exists set link d_link eval $inlibc : see if localeconv exists set localeconv d_locconv eval $inlibc : see if lockf exists set lockf d_lockf eval $inlibc : see if prototype for lseek is available echo " " set d_lseekproto lseek $i_systypes sys/types.h $i_unistd unistd.h eval $hasproto : see if lstat exists set lstat d_lstat eval $inlibc : see if madvise exists set madvise d_madvise eval $inlibc : see if mblen exists set mblen d_mblen eval $inlibc : see if mbstowcs exists set mbstowcs d_mbstowcs eval $inlibc : see if mbtowc exists set mbtowc d_mbtowc eval $inlibc : see if memchr exists set memchr d_memchr eval $inlibc : see if memcmp exists set memcmp d_memcmp eval $inlibc : see if memcpy exists set memcpy d_memcpy eval $inlibc : see if memmove exists set memmove d_memmove eval $inlibc : see if memset exists set memset d_memset eval $inlibc : see if mkdir exists set mkdir d_mkdir eval $inlibc : see if mkdtemp exists set mkdtemp d_mkdtemp eval $inlibc : see if mkfifo exists set mkfifo d_mkfifo eval $inlibc : see if mkstemp exists set mkstemp d_mkstemp eval $inlibc : see if mkstemps exists set mkstemps d_mkstemps eval $inlibc : see if mktime exists set mktime d_mktime eval $inlibc : see if this is a sys/mman.h system set sys/mman.h i_sysmman eval $inhdr : see if mmap exists set mmap d_mmap eval $inlibc : see what shmat returns : default to something harmless mmaptype='void *' case "$i_sysmman$d_mmap" in "$define$define") $cat >mmap.c <<'END' #include void *mmap(); END if $cc $ccflags -c mmap.c >/dev/null 2>&1; then mmaptype='void *' else mmaptype='caddr_t' fi echo "and it returns ($mmaptype)." >&4 ;; esac : see if mprotect exists set mprotect d_mprotect eval $inlibc : see if msgctl exists set msgctl d_msgctl eval $inlibc : see if msgget exists set msgget d_msgget eval $inlibc : see if msgsnd exists set msgsnd d_msgsnd eval $inlibc : see if msgrcv exists set msgrcv d_msgrcv eval $inlibc : see how much of the 'msg*(2)' library is present. h_msg=true echo " " case "$d_msgctl$d_msgget$d_msgsnd$d_msgrcv" in *"$undef"*) h_msg=false;; esac case "$osname" in freebsd) case "`ipcs 2>&1`" in "SVID messages"*"not configured"*) echo "Your $osname does not have the msg*(2) configured." >&4 h_msg=false val="$undef" set msgctl d_msgctl eval $setvar set msgget d_msgget eval $setvar set msgsnd d_msgsnd eval $setvar set msgrcv d_msgrcv eval $setvar ;; esac ;; esac : we could also check for sys/ipc.h ... if $h_msg && $test `./findhdr sys/msg.h`; then echo "You have the full msg*(2) library." >&4 val="$define" else echo "You don't have the full msg*(2) library." >&4 val="$undef" fi set d_msg eval $setvar echo " " echo "Checking to see if your system supports struct msghdr..." >&4 set d_msghdr_s msghdr $i_systypes sys/types.h $d_socket sys/socket.h $i_sysuio sys/uio.h eval $hasstruct case "$d_msghdr_s" in "$define") echo "Yes, it does." ;; *) echo "No, it doesn't." ;; esac : see if msync exists set msync d_msync eval $inlibc : see if munmap exists set munmap d_munmap eval $inlibc : see if nice exists set nice d_nice eval $inlibc : see if this is a langinfo.h system set langinfo.h i_langinfo eval $inhdr : see if nl_langinfo exists set nl_langinfo d_nl_langinfo eval $inlibc : check for length of character echo " " case "$charsize" in '') echo "Checking to see how big your characters are (hey, you never know)..." >&4 $cat >try.c <<'EOCP' #include int main() { printf("%d\n", (int)sizeof(char)); exit(0); } EOCP set try if eval $compile_ok; then dflt=`$run ./try` else dflt='1' echo "(I can't seem to compile the test program. Guessing...)" fi ;; *) dflt="$charsize" ;; esac rp="What is the size of a character (in bytes)?" . ./myread charsize="$ans" $rm -f try.c try : check for volatile keyword echo " " echo 'Checking to see if your C compiler knows about "volatile"...' >&4 $cat >try.c <<'EOCP' int main() { typedef struct _goo_struct goo_struct; goo_struct * volatile goo = ((goo_struct *)0); struct _goo_struct { long long_int; int reg_int; char char_var; }; typedef unsigned short foo_t; char *volatile foo; volatile int bar; volatile foo_t blech; foo = foo; } EOCP if $cc -c $ccflags try.c >/dev/null 2>&1 ; then val="$define" echo "Yup, it does." else val="$undef" echo "Nope, it doesn't." fi set d_volatile eval $setvar $rm -f try.* echo " " $echo "Choosing the C types to be used for Perl's internal types..." >&4 case "$use64bitint:$d_quad:$quadtype" in define:define:?*) ivtype="$quadtype" uvtype="$uquadtype" ivsize=8 uvsize=8 ;; *) ivtype="long" uvtype="unsigned long" ivsize=$longsize uvsize=$longsize ;; esac case "$uselongdouble:$d_longdbl" in define:define) nvtype="long double" nvsize=$longdblsize ;; *) nvtype=double nvsize=$doublesize ;; esac $echo "(IV will be "$ivtype", $ivsize bytes)" $echo "(UV will be "$uvtype", $uvsize bytes)" $echo "(NV will be "$nvtype", $nvsize bytes)" $cat >try.c < #endif #include int main() { #ifdef INT8 int8_t i = INT8_MAX; uint8_t u = UINT8_MAX; printf("int8_t\n"); #endif #ifdef INT16 int16_t i = INT16_MAX; uint16_t i = UINT16_MAX; printf("int16_t\n"); #endif #ifdef INT32 int32_t i = INT32_MAX; uint32_t u = UINT32_MAX; printf("int32_t\n"); #endif } EOCP case "$i8type" in '') case "$charsize" in 1) i8type=char u8type="unsigned char" i8size=$charsize u8size=$charsize ;; esac ;; esac case "$i8type" in '') set try -DINT8 if eval $compile; then case "`$run ./try`" in int8_t) i8type=int8_t u8type=uint8_t i8size=1 u8size=1 ;; esac fi ;; esac case "$i8type" in '') if $test $charsize -ge 1; then i8type=char u8type="unsigned char" i8size=$charsize u8size=$charsize fi ;; esac case "$i16type" in '') case "$shortsize" in 2) i16type=short u16type="unsigned short" i16size=$shortsize u16size=$shortsize ;; esac ;; esac case "$i16type" in '') set try -DINT16 if eval $compile; then case "`$run ./try`" in int16_t) i16type=int16_t u16type=uint16_t i16size=2 u16size=2 ;; esac fi ;; esac case "$i16type" in '') if $test $shortsize -ge 2; then i16type=short u16type="unsigned short" i16size=$shortsize u16size=$shortsize fi ;; esac case "$i32type" in '') case "$longsize" in 4) i32type=long u32type="unsigned long" i32size=$longsize u32size=$longsize ;; *) case "$intsize" in 4) i32type=int u32type="unsigned int" i32size=$intsize u32size=$intsize ;; esac ;; esac ;; esac case "$i32type" in '') set try -DINT32 if eval $compile; then case "`$run ./try`" in int32_t) i32type=int32_t u32type=uint32_t i32size=4 u32size=4 ;; esac fi ;; esac case "$i32type" in '') if $test $intsize -ge 4; then i32type=int u32type="unsigned int" i32size=$intsize u32size=$intsize fi ;; esac case "$i64type" in '') case "$d_quad:$quadtype" in define:?*) i64type="$quadtype" u64type="$uquadtype" i64size=8 u64size=8 ;; esac ;; esac $echo "Checking how many bits of your UVs your NVs can preserve..." >&4 : volatile so that the compiler has to store it out to memory. if test X"$d_volatile" = X"$define"; then volatile=volatile fi $cat <try.c #include #include #include #ifdef SIGFPE $volatile int bletched = 0; $signal_t blech(s) int s; { bletched = 1; } #endif int main() { $uvtype u = 0; $nvtype d; int n = 8 * $uvsize; int i; #ifdef SIGFPE signal(SIGFPE, blech); #endif for (i = 0; i < n; i++) { u = u << 1 | ($uvtype)1; d = ($nvtype)u; if (($uvtype)d != u) break; if (d <= 0) break; d = ($nvtype)(u - 1); if (($uvtype)d != (u - 1)) break; #ifdef SIGFPE if (bletched) { break; #endif } } printf("%d\n", ((i == n) ? -n : i)); exit(0); } EOP set try d_nv_preserves_uv="$undef" if eval $compile; then d_nv_preserves_uv_bits="`$run ./try`" fi case "$d_nv_preserves_uv_bits" in \-[1-9]*) d_nv_preserves_uv_bits=`expr 0 - $d_nv_preserves_uv_bits` $echo "Your NVs can preserve all $d_nv_preserves_uv_bits bits of your UVs." 2>&1 d_nv_preserves_uv="$define" ;; [1-9]*) $echo "Your NVs can preserve only $d_nv_preserves_uv_bits bits of your UVs." 2>&1 d_nv_preserves_uv="$undef" ;; *) $echo "Can't figure out how many bits your NVs preserve." 2>&1 d_nv_preserves_uv_bits="$undef" ;; esac $rm -f try.* try : check for off64_t echo " " echo "Checking to see if you have off64_t..." >&4 $cat >try.c < #include int main() { off64_t x = 7; } EOCP set try if eval $compile; then val="$define" echo "You have off64_t." else val="$undef" echo "You do not have off64_t." case "$lseeksize" in 8) echo "(Your off_t is 64 bits, so you could use that.)" ;; esac fi $rm -f try.* try set d_off64_t eval $setvar : see if POSIX threads are available set pthread.h i_pthread eval $inhdr : how to create joinable pthreads if test "X$usethreads" = "X$define" -a "X$i_pthread" = "X$define"; then echo " " echo "Checking what constant to use for creating joinable pthreads..." >&4 $cat >try.c <<'EOCP' #include int main() { int detachstate = JOINABLE; } EOCP set try -DJOINABLE=PTHREAD_CREATE_JOINABLE if eval $compile; then echo "You seem to use PTHREAD_CREATE_JOINABLE." >&4 val="$undef" # Yes, undef. set d_old_pthread_create_joinable eval $setvar val="" set old_pthread_create_joinable eval $setvar else set try -DJOINABLE=PTHREAD_CREATE_UNDETACHED if eval $compile; then echo "You seem to use PTHREAD_CREATE_UNDETACHED." >&4 val="$define" set d_old_pthread_create_joinable eval $setvar val=PTHREAD_CREATE_UNDETACHED set old_pthread_create_joinable eval $setvar else set try -DJOINABLE=__UNDETACHED if eval $compile; then echo "You seem to use __UNDETACHED." >&4 val="$define" set d_old_pthread_create_joinable eval $setvar val=__UNDETACHED set old_pthread_create_joinable eval $setvar else echo "Egads, nothing obvious found. Guessing that you use 0." >&4 val="$define" set d_old_pthread_create_joinable eval $setvar val=0 set old_pthread_create_joinable eval $setvar fi fi fi $rm -f try try.* else d_old_pthread_create_joinable="$undef" old_pthread_create_joinable="" fi : see if pause exists set pause d_pause eval $inlibc : see if pipe exists set pipe d_pipe eval $inlibc : see if poll exists set poll d_poll eval $inlibc : see if readlink exists set readlink d_readlink eval $inlibc echo " " procselfexe='' val="$undef" case "$d_readlink" in "$define") if $issymlink /proc/self/exe ; then $ls -l /proc/self/exe > reflect if $contains /`basename $ls` reflect >/dev/null 2>&1; then echo "You have Linux-like /proc/self/exe." procselfexe='"/proc/self/exe"' val="$define" fi fi if $issymlink /proc/curproc/file ; then $ls -l /proc/curproc/file > reflect if $contains /`basename $ls` reflect >/dev/null 2>&1; then echo "You have BSD-like /proc/curproc/file." procselfexe='"/proc/curproc/file"' val="$define" fi fi ;; esac $rm -f reflect set d_procselfexe eval $setvar : see if pthread_atfork exists set pthread_atfork d_pthread_atfork eval $inlibc : see whether the various POSIXish _yields exist $cat >try.c < #include int main() { #ifdef SCHED_YIELD sched_yield(); #else #ifdef PTHREAD_YIELD pthread_yield(); #else #ifdef PTHREAD_YIELD_NULL pthread_yield(NULL); #endif #endif #endif } EOP : see if sched_yield exists set try -DSCHED_YIELD if eval $compile; then val="$define" sched_yield='sched_yield()' else val="$undef" fi case "$usethreads" in $define) case "$val" in $define) echo 'sched_yield() found.' >&4 ;; *) echo 'sched_yield() NOT found.' >&4 ;; esac esac set d_sched_yield eval $setvar : see if pthread_yield exists set try -DPTHREAD_YIELD if eval $compile; then val="$define" case "$sched_yield" in '') sched_yield='pthread_yield()' ;; esac else set try -DPTHREAD_YIELD_NULL if eval $compile; then val="$define" case "$sched_yield" in '') sched_yield='pthread_yield(NULL)' ;; esac else val="$undef" fi fi case "$usethreads" in $define) case "$val" in $define) echo 'pthread_yield() found.' >&4 ;; *) echo 'pthread_yield() NOT found.' >&4 ;; esac ;; esac set d_pthread_yield eval $setvar case "$sched_yield" in '') sched_yield=undef ;; esac $rm -f try try.* : see if this is a pwd.h system set pwd.h i_pwd eval $inhdr case "$i_pwd" in $define) xxx=`./findhdr pwd.h` $cppstdin $cppflags $cppminus < $xxx >$$.h if $contains 'pw_quota' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwquota eval $setvar if $contains 'pw_age' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwage eval $setvar if $contains 'pw_change' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwchange eval $setvar if $contains 'pw_class' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwclass eval $setvar if $contains 'pw_expire' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwexpire eval $setvar if $contains 'pw_comment' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwcomment eval $setvar if $contains 'pw_gecos' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwgecos eval $setvar if $contains 'pw_passwd' $$.h >/dev/null 2>&1; then val="$define" else val="$undef" fi set d_pwpasswd eval $setvar $rm -f $$.h ;; *) val="$undef"; set d_pwquota; eval $setvar set d_pwage; eval $setvar set d_pwchange; eval $setvar set d_pwclass; eval $setvar set d_pwexpire; eval $setvar set d_pwcomment; eval $setvar set d_pwgecos; eval $setvar set d_pwpasswd; eval $setvar ;; esac : see if readdir and friends exist set readdir d_readdir eval $inlibc set seekdir d_seekdir eval $inlibc set telldir d_telldir eval $inlibc set rewinddir d_rewinddir eval $inlibc : see if readv exists set readv d_readv eval $inlibc : see if recvmsg exists set recvmsg d_recvmsg eval $inlibc : see if rename exists set rename d_rename eval $inlibc : see if rmdir exists set rmdir d_rmdir eval $inlibc : see if memory.h is available. val='' set memory.h val eval $inhdr : See if it conflicts with string.h case "$val" in $define) case "$strings" in '') ;; *) $cppstdin $cppflags $cppminus < $strings > mem.h if $contains 'memcpy' mem.h >/dev/null 2>&1; then echo " " echo "We won't be including ." val="$undef" fi $rm -f mem.h ;; esac esac set i_memory eval $setvar : can bcopy handle overlapping blocks? echo " " val="$undef" case "$d_memmove" in "$define") echo "I'll use memmove() instead of bcopy() for overlapping copies." ;; *) case "$d_bcopy" in "$define") echo "Checking to see if bcopy() can do overlapping copies..." >&4 $cat >try.c <>try.c <<'EOCP' #include #ifdef I_MEMORY # include #endif #ifdef I_STDLIB # include #endif #ifdef I_STRING # include #else # include #endif #ifdef I_UNISTD # include /* Needed for NetBSD */ #endif int main() { char buf[128], abc[128]; char *b; int len; int off; int align; /* Copy "abcde..." string to char abc[] so that gcc doesn't try to store the string in read-only memory. */ bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36); for (align = 7; align >= 0; align--) { for (len = 36; len; len--) { b = buf+align; bcopy(abc, b, len); for (off = 1; off <= len; off++) { bcopy(b, b+off, len); bcopy(b+off, b, len); if (bcmp(b, abc, len)) exit(1); } } } exit(0); } EOCP set try if eval $compile_ok; then if ./try 2>/dev/null; then echo "Yes, it can." val="$define" else echo "It can't, sorry." fi else echo "(I can't compile the test program, so we'll assume not...)" fi ;; esac $rm -f try.* try core ;; esac set d_safebcpy eval $setvar : can memcpy handle overlapping blocks? echo " " val="$undef" case "$d_memmove" in "$define") echo "I'll use memmove() instead of memcpy() for overlapping copies." ;; *) case "$d_memcpy" in "$define") echo "Checking to see if memcpy() can do overlapping copies..." >&4 $cat >try.c <>try.c <<'EOCP' #include #ifdef I_MEMORY # include #endif #ifdef I_STDLIB # include #endif #ifdef I_STRING # include #else # include #endif #ifdef I_UNISTD # include /* Needed for NetBSD */ #endif int main() { char buf[128], abc[128]; char *b; int len; int off; int align; /* Copy "abcde..." string to char abc[] so that gcc doesn't try to store the string in read-only memory. */ memcpy(abc, "abcdefghijklmnopqrstuvwxyz0123456789", 36); for (align = 7; align >= 0; align--) { for (len = 36; len; len--) { b = buf+align; memcpy(b, abc, len); for (off = 1; off <= len; off++) { memcpy(b+off, b, len); memcpy(b, b+off, len); if (memcmp(b, abc, len)) exit(1); } } } exit(0); } EOCP set try if eval $compile_ok; then if ./try 2>/dev/null; then echo "Yes, it can." val="$define" else echo "It can't, sorry." fi else echo "(I can't compile the test program, so we'll assume not...)" fi ;; esac $rm -f try.* try core ;; esac set d_safemcpy eval $setvar : can memcmp be trusted to compare relative magnitude? val="$undef" case "$d_memcmp" in "$define") echo " " echo "Checking if your memcmp() can compare relative magnitude..." >&4 $cat >try.c <>try.c <<'EOCP' #include #ifdef I_MEMORY # include #endif #ifdef I_STDLIB # include #endif #ifdef I_STRING # include #else # include #endif #ifdef I_UNISTD # include /* Needed for NetBSD */ #endif int main() { char a = -1; char b = 0; if ((a < b) && memcmp(&a, &b, 1) < 0) exit(1); exit(0); } EOCP set try if eval $compile_ok; then if $run ./try 2>/dev/null; then echo "Yes, it can." val="$define" else echo "No, it can't (it uses signed chars)." fi else echo "(I can't compile the test program, so we'll assume not...)" fi ;; esac $rm -f try.* try core set d_sanemcmp eval $setvar : see if prototype for sbrk is available echo " " set d_sbrkproto sbrk $i_unistd unistd.h eval $hasproto : see if select exists set select d_select eval $inlibc : see if semctl exists set semctl d_semctl eval $inlibc : see if semget exists set semget d_semget eval $inlibc : see if semop exists set semop d_semop eval $inlibc : see how much of the 'sem*(2)' library is present. h_sem=true echo " " case "$d_semctl$d_semget$d_semop" in *"$undef"*) h_sem=false;; esac case "$osname" in freebsd) case "`ipcs 2>&1`" in "SVID messages"*"not configured"*) echo "Your $osname does not have the sem*(2) configured." >&4 h_sem=false val="$undef" set semctl d_semctl eval $setvar set semget d_semget eval $setvar set semop d_semop eval $setvar ;; esac ;; esac : we could also check for sys/ipc.h ... if $h_sem && $test `./findhdr sys/sem.h`; then echo "You have the full sem*(2) library." >&4 val="$define" else echo "You don't have the full sem*(2) library." >&4 val="$undef" fi set d_sem eval $setvar : see whether sys/sem.h defines union semun echo " " $cat > try.c <<'END' #include #include #include int main () { union semun semun; semun.buf = 0; } END set try if eval $compile; then echo "You have union semun in ." >&4 val="$define" else echo "You do not have union semun in ." >&4 val="$undef" fi $rm -f try try.c try.h set d_union_semun eval $setvar : see how to do semctl IPC_STAT case "$d_sem" in $define) : see whether semctl IPC_STAT can use union semun echo " " $cat > try.h <>3) # define S_IWGRP (S_IWUSR>>3) # define S_IXGRP (S_IXUSR>>3) # define S_IROTH (S_IRUSR>>6) # define S_IWOTH (S_IWUSR>>6) # define S_IXOTH (S_IXUSR>>6) #endif #ifndef S_IRWXU # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR) # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP) # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH) #endif END $cat > try.c < #include #include #include #include #include #include "try.h" #ifndef errno extern int errno; #endif #$d_union_semun HAS_UNION_SEMUN int main() { union semun #ifndef HAS_UNION_SEMUN { int val; struct semid_ds *buf; unsigned short *array; } #endif arg; int sem, st; #if defined(IPC_PRIVATE) && defined(S_IRWXU) && defined(S_IRWXG) && defined(S_IRWXO) && defined(IPC_CREAT) sem = semget(IPC_PRIVATE, 1, S_IRWXU|S_IRWXG|S_IRWXO|IPC_CREAT); if (sem > -1) { struct semid_ds argbuf; arg.buf = &argbuf; # ifdef IPC_STAT st = semctl(sem, 0, IPC_STAT, arg); if (st == 0) printf("semun\n"); else # endif /* IPC_STAT */ printf("semctl IPC_STAT failed: errno = %d\n", errno); # ifdef IPC_RMID if (semctl(sem, 0, IPC_RMID, arg) != 0) # endif /* IPC_RMID */ printf("semctl IPC_RMID failed: errno = %d\n", errno); } else #endif /* IPC_PRIVATE && ... */ printf("semget failed: errno = %d\n", errno); return 0; } END val="$undef" set try if eval $compile; then xxx=`$run ./try` case "$xxx" in semun) val="$define" ;; esac fi $rm -f try try.c set d_semctl_semun eval $setvar case "$d_semctl_semun" in $define) echo "You can use union semun for semctl IPC_STAT." >&4 also='also' ;; *) echo "You cannot use union semun for semctl IPC_STAT." >&4 also='' ;; esac : see whether semctl IPC_STAT can use struct semid_ds pointer $cat > try.c <<'END' #include #include #include #include #include "try.h" #include #include #ifndef errno extern int errno; #endif int main() { struct semid_ds arg; int sem, st; #if defined(IPC_PRIVATE) && defined(S_IRWXU) && defined(S_IRWXG) && defined(S_IRWXO) && defined(IPC_CREAT) sem = semget(IPC_PRIVATE, 1, S_IRWXU|S_IRWXG|S_IRWXO|IPC_CREAT); if (sem > -1) { # ifdef IPC_STAT st = semctl(sem, 0, IPC_STAT, &arg); if (st == 0) printf("semid_ds\n"); else # endif /* IPC_STAT */ printf("semctl IPC_STAT failed: errno = %d\n", errno); # ifdef IPC_RMID if (semctl(sem, 0, IPC_RMID, &arg) != 0) # endif /* IPC_RMID */ printf("semctl IPC_RMID failed: errno = %d\n", errno); } else #endif /* IPC_PRIVATE && ... */ printf("semget failed: errno = %d\n", errno); return 0; } END val="$undef" set try if eval $compile; then xxx=`$run ./try` case "$xxx" in semid_ds) val="$define" ;; esac fi $rm -f try try.c set d_semctl_semid_ds eval $setvar case "$d_semctl_semid_ds" in $define) echo "You can $also use struct semid_ds* for semctl IPC_STAT." >&4 ;; *) echo "You cannot use struct semid_ds* for semctl IPC_STAT." >&4 ;; esac $rm -f try.h ;; *) val="$undef" # We do not have the full sem*(2) library, so assume we can not # use either. set d_semctl_semun eval $setvar set d_semctl_semid_ds eval $setvar ;; esac : see if sendmsg exists set sendmsg d_sendmsg eval $inlibc : see if setegid exists set setegid d_setegid eval $inlibc : see if seteuid exists set seteuid d_seteuid eval $inlibc : see if setgrent exists set setgrent d_setgrent eval $inlibc : see if sethostent exists set sethostent d_sethent eval $inlibc : see if setitimer exists set setitimer d_setitimer eval $inlibc : see if setlinebuf exists set setlinebuf d_setlinebuf eval $inlibc : see if setlocale exists set setlocale d_setlocale eval $inlibc : see if setnetent exists set setnetent d_setnent eval $inlibc : see if setprotoent exists set setprotoent d_setpent eval $inlibc : see if setpgid exists set setpgid d_setpgid eval $inlibc : see if setpgrp2 exists set setpgrp2 d_setpgrp2 eval $inlibc : see if setpriority exists set setpriority d_setprior eval $inlibc : see if setproctitle exists set setproctitle d_setproctitle eval $inlibc : see if setpwent exists set setpwent d_setpwent eval $inlibc : see if setregid exists set setregid d_setregid eval $inlibc set setresgid d_setresgid eval $inlibc : see if setreuid exists set setreuid d_setreuid eval $inlibc set setresuid d_setresuid eval $inlibc : see if setrgid exists set setrgid d_setrgid eval $inlibc : see if setruid exists set setruid d_setruid eval $inlibc : see if setservent exists set setservent d_setsent eval $inlibc : see if setsid exists set setsid d_setsid eval $inlibc : see if setvbuf exists set setvbuf d_setvbuf eval $inlibc : see if sfio.h is available set sfio.h i_sfio eval $inhdr : see if sfio library is available case "$i_sfio" in $define) val='' set sfreserve val eval $inlibc ;; *) val="$undef" ;; esac : Ok, but do we want to use it. case "$val" in $define) case "$usesfio" in true|$define|[yY]*) dflt='y';; *) dflt='n';; esac echo "$package can use the sfio library, but it is experimental." case "$useperlio" in "$undef") echo "For sfio also the PerlIO abstraction layer is needed." echo "Earlier you said you wouldn't want that." ;; esac rp="You seem to have sfio available, do you want to try using it?" . ./myread case "$ans" in y|Y) echo "Ok, turning on both sfio and PerlIO, then." useperlio="$define" val="$define" ;; *) echo "Ok, avoiding sfio this time. I'll use stdio instead." val="$undef" ;; esac ;; *) case "$usesfio" in true|$define|[yY]*) echo "Sorry, cannot find sfio on this machine." >&4 echo "Ignoring your setting of usesfio=$usesfio." >&4 val="$undef" ;; esac ;; esac set d_sfio eval $setvar case "$d_sfio" in $define) usesfio='true';; *) usesfio='false';; esac case "$d_sfio" in $define) ;; *) : Remove sfio from list of libraries to use case "$libs" in *-lsfio*) echo "Removing unneeded -lsfio from library list" >&4 set `echo X $libs | $sed -e 's/-lsfio / /' -e 's/-lsfio$//'` shift libs="$*" echo "libs = $libs" >&4 ;; esac ;; esac : see if shmctl exists set shmctl d_shmctl eval $inlibc : see if shmget exists set shmget d_shmget eval $inlibc : see if shmat exists set shmat d_shmat eval $inlibc : see what shmat returns case "$d_shmat" in "$define") $cat >shmat.c <<'END' #include void *shmat(); END if $cc $ccflags -c shmat.c >/dev/null 2>&1; then shmattype='void *' else shmattype='char *' fi echo "and it returns ($shmattype)." >&4 : see if a prototype for shmat is available xxx=`./findhdr sys/shm.h` $cppstdin $cppflags $cppminus < $xxx > shmat.c 2>/dev/null if $contains 'shmat.*(' shmat.c >/dev/null 2>&1; then val="$define" else val="$undef" fi $rm -f shmat.[co] ;; *) val="$undef" ;; esac set d_shmatprototype eval $setvar : see if shmdt exists set shmdt d_shmdt eval $inlibc : see how much of the 'shm*(2)' library is present. h_shm=true echo " " case "$d_shmctl$d_shmget$d_shmat$d_shmdt" in *"$undef"*) h_shm=false;; esac case "$osname" in freebsd) case "`ipcs 2>&1`" in "SVID shared memory"*"not configured"*) echo "Your $osname does not have the shm*(2) configured." >&4 h_shm=false val="$undef" set shmctl d_shmctl evat $setvar set shmget d_shmget evat $setvar set shmat d_shmat evat $setvar set shmdt d_shmdt evat $setvar ;; esac ;; esac : we could also check for sys/ipc.h ... if $h_shm && $test `./findhdr sys/shm.h`; then echo "You have the full shm*(2) library." >&4 val="$define" else echo "You don't have the full shm*(2) library." >&4 val="$undef" fi set d_shm eval $setvar echo " " : see if we have sigaction if set sigaction val -f d_sigaction; eval $csym; $val; then echo 'sigaction() found.' >&4 $cat > try.c <<'EOP' #include #include #include int main() { struct sigaction act, oact; act.sa_flags = 0; oact.sa_handler = 0; /* so that act and oact are used */ exit(act.sa_flags == 0 && oact.sa_handler == 0); } EOP set try if eval $compile_ok; then val="$define" else echo "But you don't seem to have a useable struct sigaction." >&4 val="$undef" fi else echo 'sigaction NOT found.' >&4 val="$undef" fi set d_sigaction; eval $setvar $rm -f try try$_o try.c : see if sigprocmask exists set sigprocmask d_sigprocmask eval $inlibc : see if sigsetjmp exists echo " " case "$d_sigsetjmp" in '') $cat >try.c <<'EOP' #include sigjmp_buf env; int set = 1; int main() { if (sigsetjmp(env,1)) exit(set); set = 0; siglongjmp(env, 1); exit(1); } EOP set try if eval $compile; then if $run ./try >/dev/null 2>&1; then echo "POSIX sigsetjmp found." >&4 val="$define" else $cat >&4 <&4 val="$undef" fi ;; *) val="$d_sigsetjmp" case "$d_sigsetjmp" in $define) echo "POSIX sigsetjmp found." >&4;; $undef) echo "sigsetjmp not found." >&4;; esac ;; esac set d_sigsetjmp eval $setvar $rm -f try.c try : see if sockatmark exists set sockatmark d_sockatmark eval $inlibc : see if prototype for sockatmark is available echo " " set d_sockatmarkproto sockatmark $d_socket sys/socket.h eval $hasproto : see if socks5_init exists set socks5_init d_socks5_init eval $inlibc : see if prototype for setresgid is available echo " " set d_sresgproto setresgid $i_unistd unistd.h eval $hasproto : see if prototype for setresuid is available echo " " set d_sresuproto setresuid $i_unistd unistd.h eval $hasproto : see if sys/stat.h is available set sys/stat.h i_sysstat eval $inhdr : see if stat knows about block sizes echo " " echo "Checking to see if your struct stat has st_blocks field..." >&4 set d_statblks stat st_blocks $i_sysstat sys/stat.h eval $hasfield : see if this is a sys/vfs.h system set sys/vfs.h i_sysvfs eval $inhdr : see if this is a sys/statfs.h system set sys/statfs.h i_sysstatfs eval $inhdr echo " " echo "Checking to see if your system supports struct statfs..." >&4 set d_statfs_s statfs $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h eval $hasstruct case "$d_statfs_s" in "$define") echo "Yes, it does." ;; *) echo "No, it doesn't." ;; esac : see if struct statfs knows about f_flags case "$d_statfs_s" in define) echo " " echo "Checking to see if your struct statfs has f_flags field..." >&4 set d_statfs_f_flags statfs f_flags $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h eval $hasfield ;; *) val="$undef" set d_statfs_f_flags eval $setvar ;; esac case "$d_statfs_f_flags" in "$define") echo "Yes, it does." ;; *) echo "No, it doesn't." ;; esac : see if _ptr and _cnt from stdio act std echo " " if $contains '_lbfsize' `./findhdr stdio.h` >/dev/null 2>&1 ; then echo "(Looks like you have stdio.h from BSD.)" case "$stdio_ptr" in '') stdio_ptr='((fp)->_p)' ptr_lval=$define ;; *) ptr_lval=$d_stdio_ptr_lval;; esac case "$stdio_cnt" in '') stdio_cnt='((fp)->_r)' cnt_lval=$define ;; *) cnt_lval=$d_stdio_cnt_lval;; esac case "$stdio_base" in '') stdio_base='((fp)->_ub._base ? (fp)->_ub._base : (fp)->_bf._base)';; esac case "$stdio_bufsiz" in '') stdio_bufsiz='((fp)->_ub._base ? (fp)->_ub._size : (fp)->_bf._size)';; esac elif $contains '_IO_fpos_t' `./findhdr stdio.h` `./findhdr libio.h` >/dev/null 2>&1 ; then echo "(Looks like you have stdio.h from Linux.)" case "$stdio_ptr" in '') stdio_ptr='((fp)->_IO_read_ptr)' ptr_lval=$define ;; *) ptr_lval=$d_stdio_ptr_lval;; esac case "$stdio_cnt" in '') stdio_cnt='((fp)->_IO_read_end - (fp)->_IO_read_ptr)' cnt_lval=$undef ;; *) cnt_lval=$d_stdio_cnt_lval;; esac case "$stdio_base" in '') stdio_base='((fp)->_IO_read_base)';; esac case "$stdio_bufsiz" in '') stdio_bufsiz='((fp)->_IO_read_end - (fp)->_IO_read_base)';; esac else case "$stdio_ptr" in '') stdio_ptr='((fp)->_ptr)' ptr_lval=$define ;; *) ptr_lval=$d_stdio_ptr_lval;; esac case "$stdio_cnt" in '') stdio_cnt='((fp)->_cnt)' cnt_lval=$define ;; *) cnt_lval=$d_stdio_cnt_lval;; esac case "$stdio_base" in '') stdio_base='((fp)->_base)';; esac case "$stdio_bufsiz" in '') stdio_bufsiz='((fp)->_cnt + (fp)->_ptr - (fp)->_base)';; esac fi : test whether _ptr and _cnt really work echo "Checking how std your stdio is..." >&4 $cat >try.c < #define FILE_ptr(fp) $stdio_ptr #define FILE_cnt(fp) $stdio_cnt int main() { FILE *fp = fopen("try.c", "r"); char c = getc(fp); if ( 18 <= FILE_cnt(fp) && strncmp(FILE_ptr(fp), "include \n", 18) == 0 ) exit(0); exit(1); } EOP val="$undef" set try if eval $compile && $to try.c; then if $run ./try; then echo "Your stdio acts pretty std." val="$define" else echo "Your stdio isn't very std." fi else echo "Your stdio doesn't appear very std." fi $rm -f try.c try set d_stdstdio eval $setvar : Can _ptr be used as an lvalue? case "$d_stdstdio$ptr_lval" in $define$define) val=$define ;; *) val=$undef ;; esac set d_stdio_ptr_lval eval $setvar : Can _cnt be used as an lvalue? case "$d_stdstdio$cnt_lval" in $define$define) val=$define ;; *) val=$undef ;; esac set d_stdio_cnt_lval eval $setvar : test whether setting _ptr sets _cnt as a side effect d_stdio_ptr_lval_sets_cnt="$undef" d_stdio_ptr_lval_nochange_cnt="$undef" case "$d_stdio_ptr_lval$d_stdstdio" in $define$define) echo "Checking to see what happens if we set the stdio ptr..." >&4 $cat >try.c < /* Can we scream? */ /* Eat dust sed :-) */ /* In the buffer space, no one can hear you scream. */ #define FILE_ptr(fp) $stdio_ptr #define FILE_cnt(fp) $stdio_cnt #include int main() { FILE *fp = fopen("try.c", "r"); int c; char *ptr; size_t cnt; if (!fp) { puts("Fail even to read"); exit(1); } c = getc(fp); /* Read away the first # */ if (c == EOF) { puts("Fail even to read"); exit(1); } if (!( 18 <= FILE_cnt(fp) && strncmp(FILE_ptr(fp), "include \n", 18) == 0 )) { puts("Fail even to read"); exit (1); } ptr = (char*) FILE_ptr(fp); cnt = (size_t)FILE_cnt(fp); FILE_ptr(fp) += 42; if ((char*)FILE_ptr(fp) != (ptr + 42)) { printf("Fail ptr check %p != %p", FILE_ptr(fp), (ptr + 42)); exit (1); } if (FILE_cnt(fp) <= 20) { printf ("Fail (<20 chars to test)"); exit (1); } if (strncmp(FILE_ptr(fp), "Eat dust sed :-) */\n", 20) != 0) { puts("Fail compare"); exit (1); } if (cnt == FILE_cnt(fp)) { puts("Pass_unchanged"); exit (0); } if (FILE_cnt(fp) == (cnt - 42)) { puts("Pass_changed"); exit (0); } printf("Fail count was %d now %d\n", cnt, FILE_cnt(fp)); return 1; } EOP set try if eval $compile && $to try.c; then case `$run ./try` in Pass_changed) echo "Increasing ptr in your stdio decreases cnt by the same amount. Good." >&4 d_stdio_ptr_lval_sets_cnt="$define" ;; Pass_unchanged) echo "Increasing ptr in your stdio leaves cnt unchanged. Good." >&4 d_stdio_ptr_lval_nochange_cnt="$define" ;; Fail*) echo "Increasing ptr in your stdio didn't do exactly what I expected. We'll not be doing that then." >&4 ;; *) echo "It appears attempting to set ptr in your stdio is a bad plan." >&4 ;; esac else echo "It seems we can't set ptr in your stdio. Nevermind." >&4 fi $rm -f try.c try ;; esac : see if _base is also standard val="$undef" case "$d_stdstdio" in $define) $cat >try.c < #define FILE_base(fp) $stdio_base #define FILE_bufsiz(fp) $stdio_bufsiz int main() { FILE *fp = fopen("try.c", "r"); char c = getc(fp); if ( 19 <= FILE_bufsiz(fp) && strncmp(FILE_base(fp), "#include \n", 19) == 0 ) exit(0); exit(1); } EOP set try if eval $compile && $to try.c; then if $run ./try; then echo "And its _base field acts std." val="$define" else echo "But its _base field isn't std." fi else echo "However, it seems to be lacking the _base field." fi $rm -f try.c try ;; esac set d_stdiobase eval $setvar $cat >&4 <try.c < int main() { if (&STDIO_STREAM_ARRAY[fileno(stdin)] == stdin) printf("yes\n"); } EOCP for s in _iob __iob __sF do set try -DSTDIO_STREAM_ARRAY=$s if eval $compile; then case "`$run ./try`" in yes) stdio_stream_array=$s; break ;; esac fi done $rm -f try.* try$exe_ext esac case "$stdio_stream_array" in '') $cat >&4 <&4 <&4 $cat >try.c <<'EOCP' int main() { struct blurfl { int dyick; } foo, bar; foo = bar; } EOCP if $cc -c try.c >/dev/null 2>&1 ; then val="$define" echo "Yup, it can." else val="$undef" echo "Nope, it can't." fi set d_strctcpy eval $setvar $rm -f try.* : see if strerror and/or sys_errlist[] exist echo " " if test "X$d_strerror" = X -o "X$d_syserrlst" = X; then if set strerror val -f d_strerror; eval $csym; $val; then echo 'strerror() found.' >&4 d_strerror="$define" d_strerrm='strerror(e)' if set sys_errlist val -a d_syserrlst; eval $csym; $val; then echo "(You also have sys_errlist[], so we could roll our own strerror.)" d_syserrlst="$define" else echo "(Since you don't have sys_errlist[], sterror() is welcome.)" d_syserrlst="$undef" fi elif xxx=`./findhdr string.h`; test "$xxx" || xxx=`./findhdr strings.h`; \ $contains '#[ ]*define.*strerror' "$xxx" >/dev/null 2>&1; then echo 'strerror() found in string header.' >&4 d_strerror="$define" d_strerrm='strerror(e)' if set sys_errlist val -a d_syserrlst; eval $csym; $val; then echo "(Most probably, strerror() uses sys_errlist[] for descriptions.)" d_syserrlst="$define" else echo "(You don't appear to have any sys_errlist[], how can this be?)" d_syserrlst="$undef" fi elif set sys_errlist val -a d_syserrlst; eval $csym; $val; then echo "strerror() not found, but you have sys_errlist[] so we'll use that." >&4 d_strerror="$undef" d_syserrlst="$define" d_strerrm='((e)<0||(e)>=sys_nerr?"unknown":sys_errlist[e])' else echo 'strerror() and sys_errlist[] NOT found.' >&4 d_strerror="$undef" d_syserrlst="$undef" d_strerrm='"unknown"' fi fi : see if strftime exists set strftime d_strftime eval $inlibc : see if strtod exists set strtod d_strtod eval $inlibc : see if strtol exists set strtol d_strtol eval $inlibc : see if strtold exists set strtold d_strtold eval $inlibc : see if strtoll exists set strtoll d_strtoll eval $inlibc case "$d_longlong-$d_strtoll" in "$define-$define") $cat <try.c <<'EOCP' #include #ifdef __hpux #define strtoll __strtoll #endif #ifdef __EMX__ #define strtoll _strtoll #endif #include extern long long int strtoll(char *s, char **, int); static int bad = 0; int check(char *s, long long ell, int een) { long long gll; errno = 0; gll = strtoll(s, 0, 10); if (!((gll == ell) && (errno == een))) bad++; } int main() { check(" 1", 1LL, 0); check(" 0", 0LL, 0); check("-1", -1LL, 0); check("-9223372036854775808", -9223372036854775808LL, 0); check("-9223372036854775808", -9223372036854775808LL, 0); check(" 9223372036854775807", 9223372036854775807LL, 0); check("-9223372036854775808", -9223372036854775808LL, 0); check(" 9223372036854775808", 9223372036854775807LL, ERANGE); check("-9223372036854775809", -9223372036854775808LL, ERANGE); if (!bad) printf("ok\n"); } EOCP set try if eval $compile; then yyy=`$run ./try` case "$yyy" in ok) echo "Your strtoll() seems to be working okay." ;; *) cat <&4 Your strtoll() doesn't seem to be working okay. EOM d_strtoll="$undef" ;; esac else echo "(I can't seem to compile the test program--assuming it doesn't)" d_strtoll="$undef" fi ;; esac : see if strtoq exists set strtoq d_strtoq eval $inlibc : see if strtoul exists set strtoul d_strtoul eval $inlibc case "$d_strtoul" in "$define") $cat <try.c <<'EOCP' #include #include extern unsigned long int strtoul(char *s, char **, int); static int bad = 0; void check(char *s, unsigned long eul, int een) { unsigned long gul; errno = 0; gul = strtoul(s, 0, 10); if (!((gul == eul) && (errno == een))) bad++; } int main() { check(" 1", 1L, 0); check(" 0", 0L, 0); EOCP case "$longsize" in 8) $cat >>try.c <<'EOCP' check("18446744073709551615", 18446744073709551615UL, 0); check("18446744073709551616", 18446744073709551615UL, ERANGE); #if 0 /* strtoul() for /^-/ strings is undefined. */ check("-1", 18446744073709551615UL, 0); check("-18446744073709551614", 2, 0); check("-18446744073709551615", 1, 0); check("-18446744073709551616", 18446744073709551615UL, ERANGE); check("-18446744073709551617", 18446744073709551615UL, ERANGE); #endif EOCP ;; 4) $cat >>try.c <<'EOCP' check("4294967295", 4294967295UL, 0); check("4294967296", 4294967295UL, ERANGE); #if 0 /* strtoul() for /^-/ strings is undefined. */ check("-1", 4294967295UL, 0); check("-4294967294", 2, 0); check("-4294967295", 1, 0); check("-4294967296", 4294967295UL, ERANGE); check("-4294967297", 4294967295UL, ERANGE); #endif EOCP ;; *) : Should we write these tests to be more portable by sprintf-ing : ~0 and then manipulating that char string as input for strtol? ;; esac $cat >>try.c <<'EOCP' if (!bad) printf("ok\n"); return 0; } EOCP set try if eval $compile; then case "`$run ./try`" in ok) echo "Your strtoul() seems to be working okay." ;; *) cat <&4 Your strtoul() doesn't seem to be working okay. EOM d_strtoul="$undef" ;; esac fi ;; esac : see if strtoull exists set strtoull d_strtoull eval $inlibc case "$d_longlong-$d_strtoull" in "$define-$define") $cat <try.c <<'EOCP' #include #ifdef __hpux #define strtoull __strtoull #endif #include extern unsigned long long int strtoull(char *s, char **, int); static int bad = 0; int check(char *s, long long eull, int een) { long long gull; errno = 0; gull = strtoull(s, 0, 10); if (!((gull == eull) && (errno == een))) bad++; } int main() { check(" 1", 1LL, 0); check(" 0", 0LL, 0); check("18446744073709551615", 18446744073709551615ULL, 0); check("18446744073709551616", 18446744073709551615ULL, ERANGE); #if 0 /* strtoull() for /^-/ strings is undefined. */ check("-1", 18446744073709551615ULL, 0); check("-18446744073709551614", 2LL, 0); check("-18446744073709551615", 1LL, 0); check("-18446744073709551616", 18446744073709551615ULL, ERANGE); check("-18446744073709551617", 18446744073709551615ULL, ERANGE); #endif if (!bad) printf("ok\n"); } EOCP set try if eval $compile; then case "`$run ./try`" in ok) echo "Your strtoull() seems to be working okay." ;; *) cat <&4 Your strtoull() doesn't seem to be working okay. EOM d_strtoull="$undef" ;; esac fi ;; esac : see if strtouq exists set strtouq d_strtouq eval $inlibc case "$d_strtouq" in "$define") $cat <try.c <<'EOCP' #include #include extern unsigned long long int strtouq(char *s, char **, int); static int bad = 0; void check(char *s, unsigned long long eull, int een) { unsigned long long gull; errno = 0; gull = strtouq(s, 0, 10); if (!((gull == eull) && (errno == een))) bad++; } int main() { check(" 1", 1LL, 0); check(" 0", 0LL, 0); check("18446744073709551615", 18446744073709551615ULL, 0); check("18446744073709551616", 18446744073709551615ULL, ERANGE); #if 0 /* strtouq() for /^-/ strings is undefined. */ check("-1", 18446744073709551615ULL, 0); check("-18446744073709551614", 2LL, 0); check("-18446744073709551615", 1LL, 0); check("-18446744073709551616", 18446744073709551615ULL, ERANGE); check("-18446744073709551617", 18446744073709551615ULL, ERANGE); #endif if (!bad) printf("ok\n"); return 0; } EOCP set try if eval $compile; then case "`$run ./try`" in ok) echo "Your strtouq() seems to be working okay." ;; *) cat <&4 Your strtouq() doesn't seem to be working okay. EOM d_strtouq="$undef" ;; esac fi ;; esac : see if strxfrm exists set strxfrm d_strxfrm eval $inlibc : see if symlink exists set symlink d_symlink eval $inlibc : see if syscall exists set syscall d_syscall eval $inlibc : see if prototype for syscall is available echo " " set d_syscallproto syscall $i_unistd unistd.h eval $hasproto : see if sysconf exists set sysconf d_sysconf eval $inlibc : see if system exists set system d_system eval $inlibc : see if tcgetpgrp exists set tcgetpgrp d_tcgetpgrp eval $inlibc : see if tcsetpgrp exists set tcsetpgrp d_tcsetpgrp eval $inlibc : see if prototype for telldir is available echo " " set d_telldirproto telldir $i_systypes sys/types.h $i_dirent dirent.h eval $hasproto : see if this is a sys/times.h system set sys/times.h i_systimes eval $inhdr : see if times exists echo " " if set times val -f d_times; eval $csym; $val; then echo 'times() found.' >&4 d_times="$define" inc='' case "$i_systimes" in "$define") inc='sys/times.h';; esac rp="What is the type returned by times() on this system?" set clock_t clocktype long stdio.h sys/types.h $inc eval $typedef_ask else echo 'times() NOT found, hope that will do.' >&4 d_times="$undef" clocktype='int' fi : see if truncate exists set truncate d_truncate eval $inlibc : see if tzname[] exists echo " " if set tzname val -a d_tzname; eval $csym; $val; then val="$define" echo 'tzname[] found.' >&4 else val="$undef" echo 'tzname[] NOT found.' >&4 fi set d_tzname eval $setvar case "$osname" in next|rhapsody|darwin) multiarch="$define" ;; esac case "$multiarch" in ''|[nN]*) multiarch="$undef" ;; esac : check for ordering of bytes in a long echo " " case "$usecrosscompile$multiarch" in *$define*) $cat <try.c <<'EOCP' #include int main() { int i; union { unsigned long l; char c[sizeof(long)]; } u; if (sizeof(long) > 4) u.l = (0x08070605L << 32) | 0x04030201L; else u.l = 0x04030201L; for (i = 0; i < sizeof(long); i++) printf("%c", u.c[i]+'0'); printf("\n"); exit(0); } EOCP xxx_prompt=y set try if eval $compile && ./try > /dev/null; then dflt=`$run ./try` case "$dflt" in [1-4][1-4][1-4][1-4]|12345678|87654321) echo "(The test program ran ok.)" echo "byteorder=$dflt" xxx_prompt=n ;; ????|????????) echo "(The test program ran ok.)" ;; *) echo "(The test program didn't run right for some reason.)" ;; esac else dflt='4321' cat <<'EOM' (I can't seem to compile the test program. Guessing big-endian...) EOM fi case "$xxx_prompt" in y) rp="What is the order of bytes in a long?" . ./myread byteorder="$ans" ;; *) byteorder=$dflt ;; esac ;; esac $rm -f try.c try ;; esac $cat <try.c < #define U32 $u32type #define BYTEORDER 0x$byteorder #define U8 $u8type #include #ifdef SIGBUS $signal_t bletch(s) int s; { exit(4); } #endif int main() { #if BYTEORDER == 0x1234 || BYTEORDER == 0x4321 U8 buf[8]; U32 *up; int i; if (sizeof(U32) != 4) { printf("sizeof(U32) is not 4, but %d\n", sizeof(U32)); exit(1); } fflush(stdout); #ifdef SIGBUS signal(SIGBUS, bletch); #endif buf[0] = 0; buf[1] = 0; buf[2] = 0; buf[3] = 1; buf[5] = 0; buf[6] = 0; buf[7] = 0; buf[8] = 1; for (i = 0; i < 4; i++) { up = (U32*)(buf + i); if (! ((*up == 1 << (8*i)) || /* big-endian */ (*up == 1 << (8*(3-i))) /* little-endian */ ) ) { printf("read failed (%x)\n", *up); exit(2); } } /* write test */ for (i = 0; i < 4; i++) { up = (U32*)(buf + i); *up = 0xBeef; if (*up != 0xBeef) { printf("write failed (%x)\n", *up); exit(3); } } exit(0); #else printf("1\n"); exit(1); #endif return 0; } EOCP set try if eval $compile_ok; then echo "(Testing for character data alignment may crash the test. That's okay.)" >&4 $run ./try 2>&1 >/dev/null case "$?" in 0) cat >&4 <&4 <&4 cat > try.c < #endif #if defined(I_DIRENT) #include #if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */ #include #endif #else #ifdef I_SYS_NDIR #include #else #ifdef I_SYS_DIR #ifdef hp9000s500 #include /* may be wrong in the future */ #else #include #endif #endif #endif #endif int main() { return closedir(opendir(".")); } EOM set try if eval $compile_ok; then if $run ./try > /dev/null 2>&1 ; then echo "Yes, it does." val="$undef" else echo "No, it doesn't." val="$define" fi else echo "(I can't seem to compile the test program--assuming it doesn't)" val="$define" fi ;; *) val="$undef"; ;; esac set d_void_closedir eval $setvar $rm -f try try.* : see if there is a wait4 set wait4 d_wait4 eval $inlibc : see if waitpid exists set waitpid d_waitpid eval $inlibc : see if wcstombs exists set wcstombs d_wcstombs eval $inlibc : see if wctomb exists set wctomb d_wctomb eval $inlibc : see if writev exists set writev d_writev eval $inlibc : preserve RCS keywords in files with variable substitution, grrr Date='$Date' Id='$Id' Log='$Log' RCSfile='$RCSfile' Revision='$Revision' : check for alignment requirements echo " " case "$usecrosscompile$multiarch" in *$define*) $cat <&4 if $test "X$uselongdouble" = Xdefine -a "X$d_longdbl" = Xdefine; then $cat >try.c <<'EOCP' typedef long double NV; EOCP else $cat >try.c <<'EOCP' typedef double NV; EOCP fi $cat >>try.c <<'EOCP' #include struct foobar { char foo; NV bar; } try_algn; int main() { printf("%d\n", (int)((char *)&try_algn.bar - (char *)&try_algn.foo)); return(0); } EOCP set try if eval $compile_ok; then dflt=`$run ./try` else dflt='8' echo "(I can't seem to compile the test program...)" fi ;; *) dflt="$alignbytes" ;; esac rp="Doubles must be aligned on a how-many-byte boundary?" . ./myread alignbytes="$ans" $rm -f try.c try ;; esac : set the base revision baserev=5.0 : how do we catenate cpp tokens here? echo " " echo "Checking to see how your cpp does stuff like catenate tokens..." >&4 $cat >cpp_stuff.c <<'EOCP' #define RCAT(a,b)a/**/b #define ACAT(a,b)a ## b RCAT(Rei,ser) ACAT(Cir,cus) EOCP $cppstdin $cppflags $cppminus cpp_stuff.out 2>&1 if $contains 'Circus' cpp_stuff.out >/dev/null 2>&1; then echo "Oh! Smells like ANSI's been here." >&4 echo "We can catify or stringify, separately or together!" cpp_stuff=42 elif $contains 'Reiser' cpp_stuff.out >/dev/null 2>&1; then echo "Ah, yes! The good old days!" >&4 echo "However, in the good old days we don't know how to stringify and" echo "catify at the same time." cpp_stuff=1 else $cat >&4 <&4 $cat >try.c < #include #include int main(int argc, char *argv[]) { #ifdef DB_VERSION_MAJOR /* DB version >= 2 */ int Major, Minor, Patch ; unsigned long Version ; (void)db_version(&Major, &Minor, &Patch) ; if (argc == 2) { printf("%d %d %d %d %d %d\n", DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH, Major, Minor, Patch); exit(0); } printf("You have Berkeley DB Version 2 or greater.\n"); printf("db.h is from Berkeley DB Version %d.%d.%d\n", DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH); printf("libdb is from Berkeley DB Version %d.%d.%d\n", Major, Minor, Patch) ; /* check that db.h & libdb are compatible */ if (DB_VERSION_MAJOR != Major || DB_VERSION_MINOR != Minor || DB_VERSION_PATCH != Patch) { printf("db.h and libdb are incompatible.\n") ; exit(3); } printf("db.h and libdb are compatible.\n") ; Version = DB_VERSION_MAJOR * 1000000 + DB_VERSION_MINOR * 1000 + DB_VERSION_PATCH ; /* needs to be >= 2.3.4 */ if (Version < 2003004) { /* if (DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR == 0 && DB_VERSION_PATCH < 5) { */ printf("Perl needs Berkeley DB 2.3.4 or greater.\n") ; exit(2); } exit(0); #else #if defined(_DB_H_) && defined(BTREEMAGIC) && defined(HASHMAGIC) if (argc == 2) { printf("1 0 0\n"); exit(0); } printf("You have Berkeley DB Version 1.\n"); exit(0); /* DB version < 2: the coast is clear. */ #else exit(1); /* not Berkeley DB? */ #endif #endif } EOCP set try if eval $compile_ok && $run ./try; then echo 'Looks OK.' >&4 set `$run ./try 1` db_version_major=$1 db_version_minor=$2 db_version_patch=$3 else echo "I can't use Berkeley DB with your . I'll disable Berkeley DB." >&4 i_db=$undef case " $libs " in *"-ldb "*) : Remove db from list of libraries to use echo "Removing unusable -ldb from library list" >&4 set `echo X $libs | $sed -e 's/-ldb / /' -e 's/-ldb$//'` shift libs="$*" echo "libs = $libs" >&4 ;; esac fi $rm -f try.* ;; esac case "$i_db" in define) : Check the return type needed for hash echo " " echo "Checking return type needed for hash for Berkeley DB ..." >&4 $cat >try.c < #include #ifndef DB_VERSION_MAJOR u_int32_t hash_cb (ptr, size) const void *ptr; size_t size; { } HASHINFO info; int main() { info.hash = hash_cb; } #endif EOCP if $cc $ccflags -c try.c >try.out 2>&1 ; then if $contains warning try.out >>/dev/null 2>&1 ; then db_hashtype='int' else db_hashtype='u_int32_t' fi else : XXX Maybe we should just give up here. db_hashtype=u_int32_t $cat try.out >&4 echo "Help: I can't seem to compile the db test program." >&4 echo "Something's wrong, but I'll assume you use $db_hashtype." >&4 fi $rm -f try.* echo "Your version of Berkeley DB uses $db_hashtype for hash." ;; *) db_hashtype=u_int32_t ;; esac case "$i_db" in define) : Check the return type needed for prefix echo " " echo "Checking return type needed for prefix for Berkeley DB ..." >&4 cat >try.c < #include #ifndef DB_VERSION_MAJOR size_t prefix_cb (key1, key2) const DBT *key1; const DBT *key2; { } BTREEINFO info; int main() { info.prefix = prefix_cb; } #endif EOCP if $cc $ccflags -c try.c >try.out 2>&1 ; then if $contains warning try.out >>/dev/null 2>&1 ; then db_prefixtype='int' else db_prefixtype='size_t' fi else db_prefixtype='size_t' : XXX Maybe we should just give up here. $cat try.out >&4 echo "Help: I can't seem to compile the db test program." >&4 echo "Something's wrong, but I'll assume you use $db_prefixtype." >&4 fi $rm -f try.* echo "Your version of Berkeley DB uses $db_prefixtype for prefix." ;; *) db_prefixtype='size_t' ;; esac : How can we generate normalized random numbers ? echo " " echo "Looking for a random number function..." >&4 case "$randfunc" in '') if set drand48 val -f; eval $csym; $val; then dflt="drand48" echo "Good, found drand48()." >&4 elif set random val -f; eval $csym; $val; then dflt="random" echo "OK, found random()." >&4 else dflt="rand" echo "Yick, looks like I have to use rand()." >&4 fi echo " " ;; *) dflt="$randfunc" ;; esac cont=true case "$ccflags" in *-Dmy_rand=*|*-Dmy_srand=*) echo "Removing obsolete -Dmy_rand, -Dmy_srand, and -Drandbits from ccflags." >&4 ccflags="`echo $ccflags | sed -e 's/-Dmy_rand=random/ /'`" ccflags="`echo $ccflags | sed -e 's/-Dmy_srand=srandom/ /'`" ccflags="`echo $ccflags | sed -e 's/-Drandbits=[0-9][0-9]*/ /'`" ;; esac while $test "$cont"; do rp="Use which function to generate random numbers?" . ./myread if $test "$ans" = "$dflt"; then : null else randbits='' fi randfunc="$ans" if set $ans val -f; eval $csym; $val; then cont='' else dflt=y rp="I cannot find function $ans. Use that name anyway?" . ./myread dflt=rand case "$ans" in [yY]*) cont='';; esac fi case "$cont" in '') case "$randfunc" in drand48) drand01="drand48()" seedfunc="srand48" randbits=48 randseedtype=long ;; rand|random) case "$randbits" in '') echo "Checking to see how many bits your $randfunc() function produces..." >&4 $cat >try.c < #ifdef I_UNISTD # include #endif #ifdef I_STDLIB # include #endif int main() { register int i; register unsigned long tmp; register unsigned long max = 0L; for (i = 1000; i; i--) { tmp = (unsigned long) $randfunc(); if (tmp > max) max = tmp; } for (i = 0; max; i++) max /= 2; printf("%d\n",i); } EOCP set try if eval $compile_ok; then dflt=`try` else dflt='?' echo "(I can't seem to compile the test program...)" fi ;; *) dflt="$randbits" ;; esac rp="How many bits does your $randfunc() function produce?" . ./myread randbits="$ans" $rm -f try.c try drand01="($randfunc() / (double) ((unsigned long)1 << $randbits))" seedfunc="s$randfunc" randseedtype=unsigned ;; *) dflt="31" rp="How many bits does your $randfunc() function produce?" . ./myread randbits="$ans" seedfunc="s$randfunc" drand01="($randfunc() / (double) ((unsigned long)1 << $randbits))" if set $seedfunc val -f; eval $csym; $val; then echo "(Using $seedfunc() to seed random generator)" else echo "(Warning: no $seedfunc() to seed random generator)" seedfunc=rand fi randseedtype=unsigned ;; esac ;; esac done echo " " echo "Determining whether or not we are on an EBCDIC system..." >&4 $cat >try.c <<'EOM' int main() { if ('M'==0xd4) return 0; return 1; } EOM val=$undef set try if eval $compile_ok; then if $run ./try; then echo "You seem to speak EBCDIC." >&4 val="$define" else echo "Nope, no EBCDIC, probably ASCII or some ISO Latin. Or UTF-8." >&4 fi else echo "I'm unable to compile the test program." >&4 echo "I'll assume ASCII or some ISO Latin. Or UTF8." >&4 fi $rm -f try try.* set ebcdic eval $setvar echo " " $cat >&4 < try.c ;; esac $cat >>try.c < #$i_unistd I_UNISTD #ifdef I_UNISTD # include #endif #$d_sysconf HAS_SYSCONF #$d_stdio_stream_array HAS_STDIO_STREAM_ARRAY #ifdef HAS_STDIO_STREAM_ARRAY # define STDIO_STREAM_ARRAY $stdio_stream_array #endif int main() { FILE* p; unlink("try.out"); p = fopen("try.out", "w"); #ifdef TRY_FPUTC fputc('x', p); #else # ifdef TRY_FPRINTF fprintf(p, "x"); # endif #endif #ifdef TRY_FFLUSH_NULL fflush(NULL); #endif #ifdef TRY_FFLUSH_ALL { long open_max = -1; # ifdef PERL_FFLUSH_ALL_FOPEN_MAX open_max = PERL_FFLUSH_ALL_FOPEN_MAX; # else # if defined(HAS_SYSCONF) && defined(_SC_OPEN_MAX) open_max = sysconf(_SC_OPEN_MAX); # else # ifdef FOPEN_MAX open_max = FOPEN_MAX; # else # ifdef OPEN_MAX open_max = OPEN_MAX; # else # ifdef _NFILE open_max = _NFILE; # endif # endif # endif # endif # endif # ifdef HAS_STDIO_STREAM_ARRAY if (open_max > 0) { long i; for (i = 0; i < open_max; i++) if (STDIO_STREAM_ARRAY[i]._file >= 0 && STDIO_STREAM_ARRAY[i]._file < open_max && STDIO_STREAM_ARRAY[i]._flag) fflush(&STDIO_STREAM_ARRAY[i]); } } # endif #endif _exit(42); } EOCP : first we have to find out how _not_ to flush $to try.c if $test "X$fflushNULL" = X -o "X$fflushall" = X; then output='' set try -DTRY_FPUTC if eval $compile; then $run ./try 2>/dev/null code="$?" $from try.out if $test ! -s try.out -a "X$code" = X42; then output=-DTRY_FPUTC fi fi case "$output" in '') set try -DTRY_FPRINTF if eval $compile; then $run ./try 2>/dev/null code="$?" $from try.out if $test ! -s try.out -a "X$code" = X42; then output=-DTRY_FPRINTF fi fi ;; esac fi : check for fflush NULL behaviour case "$fflushNULL" in '') set try -DTRY_FFLUSH_NULL $output if eval $compile; then $run ./try 2>/dev/null code="$?" $from try.out if $test -s try.out -a "X$code" = X42; then fflushNULL="`$cat try.out`" else if $test "X$code" != X42; then $cat >&4 <&4 <tryp.c < int main(int argc, char **argv) { char buf[1024]; int i; char *bp = buf; while (1) { while ((i = getc(stdin)) != -1 && (*bp++ = i) != '\n' && bp < &buf[1024]) /* DO NOTHING */ ; *bp = '\0'; fprintf(stdout, "%s", buf); fflush(NULL); if (i == -1) return 0; bp = buf; } } EOCP fflushNULL="$define" set tryp if eval $compile; then $rm -f tryp.out $cat tryp.c | $run ./tryp 2>/dev/null > tryp.out if cmp tryp.c tryp.out >/dev/null 2>&1; then $cat >&4 <&4 <&4 <&4 <tryp.c < int main(int argc, char **argv) { char buf[1024]; int i; char *bp = buf; while (1) { while ((i = getc(stdin)) != -1 && (*bp++ = i) != '\n' && bp < &buf[1024]) /* DO NOTHING */ ; *bp = '\0'; fprintf(stdout, "%s", buf); fflush(stdin); if (i == -1) return 0; bp = buf; } } EOCP set tryp if eval $compile; then $rm -f tryp.out $cat tryp.c | $run ./tryp 2>/dev/null > tryp.out if cmp tryp.c tryp.out >/dev/null 2>&1; then $cat >&4 <&4 </dev/null code=$? $from try.out if $test -s try.out -a "X$code" = X42; then fflushall="`$cat try.out`" fi fi $rm -f core try.core core.try.* case "$fflushall" in x) $cat >&4 <&4 <&4 <&4 </dev/null` unsigned short case $1 in unsigned) dflt="$1 $2" ;; *) dflt="$1" ;; esac ;; *) dflt="$gidtype";; esac case "$gidtype" in gid_t) echo "gid_t found." ;; *) rp="What is the type for group ids returned by getgid()?" . ./myread gidtype="$ans" ;; esac echo " " case "$gidtype" in *_t) zzz="$gidtype" ;; *) zzz="gid" ;; esac echo "Checking the size of $zzz..." >&4 cat > try.c < #include int main() { printf("%d\n", (int)sizeof($gidtype)); exit(0); } EOCP set try if eval $compile_ok; then yyy=`$run ./try` case "$yyy" in '') gidsize=4 echo "(I can't execute the test program--guessing $gidsize.)" >&4 ;; *) gidsize=$yyy echo "Your $zzz is $gidsize bytes long." ;; esac else gidsize=4 echo "(I can't compile the test program--guessing $gidsize.)" >&4 fi echo " " case "$gidtype" in *_t) zzz="$gidtype" ;; *) zzz="gid" ;; esac echo "Checking the sign of $zzz..." >&4 cat > try.c < #include int main() { $gidtype foo = -1; if (foo < 0) printf("-1\n"); else printf("1\n"); } EOCP set try if eval $compile; then yyy=`$run ./try` case "$yyy" in '') gidsign=1 echo "(I can't execute the test program--guessing unsigned.)" >&4 ;; *) gidsign=$yyy case "$gidsign" in 1) echo "Your $zzz is unsigned." ;; -1) echo "Your $zzz is signed." ;; esac ;; esac else gidsign=1 echo "(I can't compile the test program--guessing unsigned.)" >&4 fi echo " " if $test X"$quadtype" != X; then echo "Checking how to print 64-bit integers..." >&4 if $test X"$sPRId64" = X -a X"$quadtype" = Xint; then $cat >try.c <<'EOCP' #include #include int main() { int q = 12345678901; printf("%ld\n", q); } EOCP set try if eval $compile; then yyy=`$run ./try` case "$yyy" in 12345678901) sPRId64='"d"'; sPRIi64='"i"'; sPRIu64='"u"'; sPRIo64='"o"'; sPRIx64='"x"'; sPRIXU64='"X"'; echo "We will use %d." ;; esac fi fi if $test X"$sPRId64" = X -a X"$quadtype" = Xlong; then $cat >try.c <<'EOCP' #include #include int main() { long q = 12345678901; printf("%ld\n", q); } EOCP set try if eval $compile; then yyy=`$run ./try` case "$yyy" in 12345678901) sPRId64='"ld"'; sPRIi64='"li"'; sPRIu64='"lu"'; sPRIo64='"lo"'; sPRIx64='"lx"'; sPRIXU64='"lX"'; echo "We will use %ld." ;; esac fi fi if $test X"$sPRId64" = X -a X"$i_inttypes" = X"$define" -a X"$quadtype" = Xint64_t; then $cat >try.c <<'EOCP' #include #include #include int main() { int64_t q = 12345678901; printf("%" PRId64 "\n", q); } EOCP set try if eval $compile; then yyy=`$run ./try` case "$yyy" in 12345678901) sPRId64=PRId64; sPRIi64=PRIi64; sPRIu64=PRIu64; sPRIo64=PRIo64; sPRIx64=PRIx64; sPRIXU64=PRIXU64; echo "We will use the C9X style." ;; esac fi fi if $test X"$sPRId64" = X -a X"$quadtype" != X; then $cat >try.c < #include int main() { $quadtype q = 12345678901; printf("%Ld\n", q); } EOCP set try if eval $compile; then yyy=`$run ./try` case "$yyy" in 12345678901) sPRId64='"Ld"'; sPRIi64='"Li"'; sPRIu64='"Lu"'; sPRIo64='"Lo"'; sPRIx64='"Lx"'; sPRIXU64='"LX"'; echo "We will use %Ld." ;; esac fi fi if $test X"$sPRId64" = X -a X"$quadtype" = X"long long"; then $cat >try.c <<'EOCP' #include #include int main() { long long q = 12345678901LL; /* AIX cc requires the LL suffix. */ printf("%lld\n", q); } EOCP set try if eval $compile; then yyy=`$run ./try` case "$yyy" in 12345678901) sPRId64='"lld"'; sPRIi64='"lli"'; sPRIu64='"llu"'; sPRIo64='"llo"'; sPRIx64='"llx"'; sPRIXU64='"llX"'; echo "We will use the %lld style." ;; esac fi fi if $test X"$sPRId64" = X -a X"$quadtype" != X; then $cat >try.c < #include int main() { $quadtype q = 12345678901; printf("%qd\n", q); } EOCP set try if eval $compile; then yyy=`$run ./try` case "$yyy" in 12345678901) sPRId64='"qd"'; sPRIi64='"qi"'; sPRIu64='"qu"'; sPRIo64='"qo"'; sPRIx64='"qx"'; sPRIXU64='"qX"'; echo "We will use %qd." ;; esac fi fi if $test X"$sPRId64" = X; then echo "Cannot figure out how to print 64-bit integers." >&4 fi $rm -f try try.* fi case "$sPRId64" in '') d_PRId64="$undef"; d_PRIi64="$undef"; d_PRIu64="$undef"; d_PRIo64="$undef"; d_PRIx64="$undef"; d_PRIXU64="$undef"; ;; *) d_PRId64="$define"; d_PRIi64="$define"; d_PRIu64="$define"; d_PRIo64="$define"; d_PRIx64="$define"; d_PRIXU64="$define"; ;; esac echo " " $echo "Checking the format strings to be used for Perl's internal types..." >&4 if $test X"$ivsize" = X8; then ivdformat="$sPRId64" uvuformat="$sPRIu64" uvoformat="$sPRIo64" uvxformat="$sPRIx64" uvXUformat="$sPRIXU64" else if $test X"$ivsize" = X"$longsize"; then ivdformat='"ld"' uvuformat='"lu"' uvoformat='"lo"' uvxformat='"lx"' uvXUformat='"lX"' else if $test X"$ivsize" = X"$intsize"; then ivdformat='"d"' uvuformat='"u"' uvoformat='"o"' uvxformat='"x"' uvXUformat='"X"' else : far out if $test X"$ivsize" = X"$shortsize"; then ivdformat='"hd"' uvuformat='"hu"' uvoformat='"ho"' uvxformat='"hx"' uvXUformat='"hX"' fi fi fi fi if $test X"$uselongdouble" = X"$define" -a X"$d_longdbl" = X"$define" -a X"$d_PRIgldbl" = X"$define"; then nveformat="$sPRIeldbl" nvfformat="$sPRIfldbl" nvgformat="$sPRIgldbl" nvEUformat="$sPRIEUldbl" nvFUformat="$sPRIFUldbl" nvGUformat="$sPRIGUldbl" else nveformat='"e"' nvfformat='"f"' nvgformat='"g"' nvEUformat='"E"' nvFUformat='"F"' nvGUformat='"G"' fi case "$ivdformat" in '') echo "$0: Fatal: failed to find format strings, cannot continue." >&4 exit 1 ;; esac echo " " $echo "Checking the format string to be used for gids..." >&4 case "$gidsign" in -1) if $test X"$gidsize" = X"$ivsize"; then gidformat="$ivdformat" else if $test X"$gidsize" = X"$longsize"; then gidformat='"ld"' else if $test X"$gidsize" = X"$intsize"; then gidformat='"d"' else if $test X"$gidsize" = X"$shortsize"; then gidformat='"hd"' fi fi fi fi ;; *) if $test X"$gidsize" = X"$uvsize"; then gidformat="$uvuformat" else if $test X"$gidsize" = X"$longsize"; then gidformat='"lu"' else if $test X"$gidsize" = X"$intsize"; then gidformat='"u"' else if $test X"$gidsize" = X"$shortsize"; then gidformat='"hu"' fi fi fi fi ;; esac : see if getgroups exists set getgroups d_getgrps eval $inlibc : see if setgroups exists set setgroups d_setgrps eval $inlibc : Find type of 2nd arg to 'getgroups()' and 'setgroups()' echo " " case "$d_getgrps$d_setgrps" in *define*) case "$groupstype" in '') dflt="$gidtype" ;; *) dflt="$groupstype" ;; esac $cat <&4 case "$make_set_make" in '') $sed 's/^X //' > testmake.mak << 'EOF' Xall: X @echo 'maketemp="$(MAKE)"' EOF case "`$make -f testmake.mak 2>/dev/null`" in *maketemp=*) make_set_make='#' ;; *) make_set_make="MAKE=$make" ;; esac $rm -f testmake.mak ;; esac case "$make_set_make" in '#') echo "Yup, it does.";; *) echo "Nope, it doesn't.";; esac : see what type is used for mode_t rp="What is the type used for file modes for system calls (e.g. fchmod())?" set mode_t modetype int stdio.h sys/types.h eval $typedef_ask : see if stdarg is available echo " " if $test `./findhdr stdarg.h`; then echo " found." >&4 valstd="$define" else echo " NOT found." >&4 valstd="$undef" fi : see if varags is available echo " " if $test `./findhdr varargs.h`; then echo " found." >&4 else echo " NOT found, but that's ok (I hope)." >&4 fi : set up the varargs testing programs $cat > varargs.c < #endif #ifdef I_VARARGS #include #endif #ifdef I_STDARG int f(char *p, ...) #else int f(va_alist) va_dcl #endif { va_list ap; #ifndef I_STDARG char *p; #endif #ifdef I_STDARG va_start(ap,p); #else va_start(ap); p = va_arg(ap, char *); #endif va_end(ap); } EOP $cat > varargs </dev/null 2>&1; then echo "true" else echo "false" fi $rm -f varargs$_o EOP chmod +x varargs : now check which varargs header should be included echo " " i_varhdr='' case "$valstd" in "$define") if `./varargs I_STDARG`; then val='stdarg.h' elif `./varargs I_VARARGS`; then val='varargs.h' fi ;; *) if `./varargs I_VARARGS`; then val='varargs.h' fi ;; esac case "$val" in '') echo "I could not find the definition for va_dcl... You have problems..." >&4 val="$undef"; set i_stdarg; eval $setvar val="$undef"; set i_varargs; eval $setvar ;; *) set i_varhdr eval $setvar case "$i_varhdr" in stdarg.h) val="$define"; set i_stdarg; eval $setvar val="$undef"; set i_varargs; eval $setvar ;; varargs.h) val="$undef"; set i_stdarg; eval $setvar val="$define"; set i_varargs; eval $setvar ;; esac echo "We'll include <$i_varhdr> to get va_dcl definition." >&4;; esac $rm -f varargs* : see if we need va_copy echo " " case "$i_stdarg" in "$define") $cat >try.c < #include #$i_stdlib I_STDLIB #ifdef I_STDLIB #include #endif #include int ivfprintf(FILE *f, const char *fmt, va_list *valp) { return vfprintf(f, fmt, *valp); } int myvfprintf(FILE *f, const char *fmt, va_list val) { return ivfprintf(f, fmt, &val); } int myprintf(char *fmt, ...) { va_list val; va_start(val, fmt); return myvfprintf(stdout, fmt, val); } int main(int ac, char **av) { signal(SIGSEGV, exit); myprintf("%s%cs all right, then\n", "that", '\''); exit(0); } EOCP set try if eval $compile && $run ./try 2>&1 >/dev/null; then case "`$run ./try`" in "that's all right, then") okay=yes ;; esac fi case "$okay" in yes) echo "It seems that you don't need va_copy()." >&4 need_va_copy="$undef" ;; *) echo "It seems that va_copy() or similar will be needed." >&4 need_va_copy="$define" ;; esac $rm -f try.* core core.* *.core *.core.* ;; *) echo "You don't have , not checking for va_copy()." >&4 ;; esac : define a fucntion to check prototypes $cat > protochk <> protochk <<'EOSH' $rm -f try.c foo="$1" shift while test $# -ge 2; do case "$1" in $define) echo "#include <$2>" >> try.c ;; literal) echo "$2" >> try.c ;; esac shift 2 done test "$prototype" = "$define" && echo '#define CAN_PROTOTYPE' >> try.c cat >> try.c <<'EOCP' #ifdef CAN_PROTOTYPE #define _(args) args #else #define _(args) () #endif EOCP echo "$foo" >> try.c echo 'int no_real_function_has_this_name _((void)) { return 0; }' >> try.c $cc $optimize $ccflags -c try.c > /dev/null 2>&1 status=$? $rm -f try.[co] exit $status EOSH chmod +x protochk $eunicefix protochk : see what type is used for size_t rp="What is the type used for the length parameter for string functions?" set size_t sizetype 'unsigned int' stdio.h sys/types.h eval $typedef_ask : check for type of arguments to gethostbyaddr. if test "X$netdb_host_type" = X -o "X$netdb_hlen_type" = X; then case "$d_gethbyaddr" in $define) $cat <&4 echo 'int bar1() { return bar2(); }' > bar1.c echo 'int bar2() { return 2; }' > bar2.c $cat > foo.c <<'EOP' int main() { printf("%d\n", bar1()); exit(0); } EOP $cc $ccflags -c bar1.c >/dev/null 2>&1 $cc $ccflags -c bar2.c >/dev/null 2>&1 $cc $ccflags -c foo.c >/dev/null 2>&1 $ar rc bar$_a bar2$_o bar1$_o >/dev/null 2>&1 if $cc -o foobar $ccflags $ldflags foo$_o bar$_a $libs > /dev/null 2>&1 && $run ./foobar >/dev/null 2>&1; then echo "$ar appears to generate random libraries itself." orderlib=false ranlib=":" elif $ar ts bar$_a >/dev/null 2>&1 && $cc -o foobar $ccflags $ldflags foo$_o bar$_a $libs > /dev/null 2>&1 && $run ./foobar >/dev/null 2>&1; then echo "a table of contents needs to be added with '$ar ts'." orderlib=false ranlib="$ar ts" else case "$ranlib" in :) ranlib='';; '') ranlib=`./loc ranlib X /usr/bin /bin /usr/local/bin` $test -f $ranlib || ranlib='' ;; esac if $test -n "$ranlib"; then echo "your system has '$ranlib'; we'll use that." orderlib=false else echo "your system doesn't seem to support random libraries" echo "so we'll use lorder and tsort to order the libraries." orderlib=true ranlib=":" fi fi $rm -f foo* bar* : check for type of arguments to select. case "$selecttype" in '') case "$d_select" in $define) echo " " $cat <try.c < #$i_time I_TIME #$i_systime I_SYS_TIME #$i_systimek I_SYS_TIME_KERNEL #ifdef I_TIME # include #endif #ifdef I_SYS_TIME # ifdef I_SYS_TIME_KERNEL # define KERNEL # endif # include # ifdef I_SYS_TIME_KERNEL # undef KERNEL # endif #endif #$i_sysselct I_SYS_SELECT #ifdef I_SYS_SELECT #include #endif #$d_socket HAS_SOCKET #ifdef HAS_SOCKET # include /* Might include */ #endif #include $selecttype b; #define S sizeof(*(b)) #define MINBITS 64 #define NBYTES (S * 8 > MINBITS ? S : MINBITS/8) #define NBITS (NBYTES * 8) int main() { char s[NBYTES]; struct timeval t; int i; FILE* fp; int fd; fclose(stdin); fp = fopen("try.c", "r"); if (fp == 0) exit(1); fd = fileno(fp); if (fd < 0) exit(2); b = ($selecttype)s; for (i = 0; i < NBITS; i++) FD_SET(i, b); t.tv_sec = 0; t.tv_usec = 0; select(fd + 1, b, 0, 0, &t); for (i = NBITS - 1; i > fd && FD_ISSET(i, b); i--); printf("%d\n", i + 1); return 0; } EOCP set try if eval $compile_ok; then selectminbits=`$run ./try` case "$selectminbits" in '') cat >&4 <&4 else rp='What is the minimum number of bits your select() operates on?' case "$byteorder" in 1234|12345678) dflt=32 ;; *) dflt=1 ;; esac . ./myread val=$ans selectminbits="$val" fi $rm -f try.* try ;; *) : no select, so pick a harmless default selectminbits='32' ;; esac ;; esac : Trace out the files included by signal.h, then look for SIGxxx names. : Remove SIGARRAYSIZE used by HPUX. : Remove SIGSTKSIZE used by Linux. : Remove SIGSTKSZ used by Posix. : Remove SIGTYP void lines used by OS2. : Some cpps, like os390, dont give the file name anywhere if [ "X$fieldn" = X ]; then : Just make some guesses. We check them later. xxx='/usr/include/signal.h /usr/include/sys/signal.h' else xxx=`echo '#include ' | $cppstdin $cppminus $cppflags 2>/dev/null | $grep '^[ ]*#.*include' | $awk "{print \\$$fieldn}" | $sed 's!"!!g' | $sed 's!\\\\\\\\!/!g' | $sort | $uniq` fi : Check this list of files to be sure we have parsed the cpp output ok. : This will also avoid potentially non-existent files, such : as ../foo/bar.h xxxfiles='' for xx in $xxx /dev/null ; do $test -f "$xx" && xxxfiles="$xxxfiles $xx" done : If we have found no files, at least try signal.h case "$xxxfiles" in '') xxxfiles=`./findhdr signal.h` ;; esac xxx=`awk ' $1 ~ /^#define$/ && $2 ~ /^SIG[A-Z0-9]*$/ && $2 !~ /SIGARRAYSIZE/ && $2 !~ /SIGSTKSIZE/ && $2 !~ /SIGSTKSZ/ && $3 !~ /void/ { print substr($2, 4, 20) } $1 == "#" && $2 ~ /^define$/ && $3 ~ /^SIG[A-Z0-9]*$/ && $3 !~ /SIGARRAYSIZE/ && $4 !~ /void/ { print substr($3, 4, 20) }' $xxxfiles` : Append some common names just in case the awk scan failed. xxx="$xxx ABRT ALRM BUS CANCEL CHLD CLD CONT DIL EMT FPE" xxx="$xxx FREEZE HUP ILL INT IO IOT KILL LOST LWP PHONE" xxx="$xxx PIPE POLL PROF PWR QUIT RTMAX RTMIN SEGV STKFLT STOP" xxx="$xxx SYS TERM THAW TRAP TSTP TTIN TTOU URG USR1 USR2" xxx="$xxx USR3 USR4 VTALRM WAITING WINCH WIND WINDOW XCPU XFSZ" : generate a few handy files for later $cat > signal.c <<'EOCP' #include #include #include int main() { /* Strange style to avoid deeply-nested #if/#else/#endif */ #ifndef NSIG # ifdef _NSIG # define NSIG (_NSIG) # endif #endif #ifndef NSIG # ifdef SIGMAX # define NSIG (SIGMAX+1) # endif #endif #ifndef NSIG # ifdef SIG_MAX # define NSIG (SIG_MAX+1) # endif #endif #ifndef NSIG # ifdef MAXSIG # define NSIG (MAXSIG+1) # endif #endif #ifndef NSIG # ifdef MAX_SIG # define NSIG (MAX_SIG+1) # endif #endif #ifndef NSIG # ifdef SIGARRAYSIZE # define NSIG (SIGARRAYSIZE+1) /* Not sure of the +1 */ # endif #endif #ifndef NSIG # ifdef _sys_nsig # define NSIG (_sys_nsig) /* Solaris 2.5 */ # endif #endif /* Default to some arbitrary number that's big enough to get most of the common signals. */ #ifndef NSIG # define NSIG 50 #endif printf("NSIG %d\n", NSIG); #ifndef JUST_NSIG EOCP echo $xxx | $tr ' ' $trnl | $sort | $uniq | $awk ' { printf "#ifdef SIG"; printf $1; printf "\n" printf "printf(\""; printf $1; printf " %%d\\n\",SIG"; printf $1; printf ");\n" printf "#endif\n" } END { printf "#endif /* JUST_NSIG */\n"; printf "exit(0);\n}\n"; } ' >>signal.c $cat >signal.awk <<'EOP' BEGIN { ndups = 0 } $1 ~ /^NSIG$/ { nsig = $2 } ($1 !~ /^NSIG$/) && (NF == 2) { if ($2 > maxsig) { maxsig = $2 } if (sig_name[$2]) { dup_name[ndups] = $1 dup_num[ndups] = $2 ndups++ } else { sig_name[$2] = $1 sig_num[$2] = $2 } } END { if (nsig == 0) { nsig = maxsig + 1 } printf("NSIG %d\n", nsig); for (n = 1; n < nsig; n++) { if (sig_name[n]) { printf("%s %d\n", sig_name[n], sig_num[n]) } else { printf("NUM%d %d\n", n, n) } } for (n = 0; n < ndups; n++) { printf("%s %d\n", dup_name[n], dup_num[n]) } } EOP $cat >signal_cmd <>signal_cmd <<'EOS' set signal if eval $compile_ok; then $run ./signal$_exe | $sort -n +1 | $uniq | $awk -f signal.awk >signal.lst else echo "(I can't seem be able to compile the whole test program)" >&4 echo "(I'll try it in little pieces.)" >&4 set signal -DJUST_NSIG if eval $compile_ok; then $run ./signal$_exe > signal.nsg $cat signal.nsg else echo "I can't seem to figure out how many signals you have." >&4 echo "Guessing 50." >&4 echo 'NSIG 50' > signal.nsg fi : Now look at all the signal names, one at a time. for xx in `echo $xxx | $tr ' ' $trnl | $sort | $uniq`; do $cat > signal.c < #include #include int main() { printf("$xx %d\n", SIG${xx}); return 0; } EOCP set signal if eval $compile; then echo "SIG${xx} found." $run ./signal$_exe >> signal.ls1 else echo "SIG${xx} NOT found." fi done if $test -s signal.ls1; then $cat signal.nsg signal.ls1 | $sort -n +1 | $uniq | $awk -f signal.awk >signal.lst fi fi if $test -s signal.lst; then : else echo "(AAK! I can't compile the test programs -- Guessing)" >&4 echo 'kill -l' >signal set X `csh -f signal.lst fi $rm -f signal.c signal$_exe signal$_o signal.nsg signal.ls1 EOS chmod a+x signal_cmd $eunicefix signal_cmd : generate list of signal names echo " " case "$sig_name_init" in '') doinit=yes ;; *) case "$sig_num_init" in ''|*,*) doinit=yes ;; esac ;; esac case "$doinit" in yes) echo "Generating a list of signal names and numbers..." >&4 . ./signal_cmd sig_count=`$awk '/^NSIG/ { printf "%d", $2 }' signal.lst` sig_name=`$awk 'BEGIN { printf "ZERO " } !/^NSIG/ { printf "%s ", $1 }' signal.lst` sig_num=`$awk 'BEGIN { printf "0 " } !/^NSIG/ { printf "%d ", $2 }' signal.lst` sig_name_init=`$awk 'BEGIN { printf "\"ZERO\", " } !/^NSIG/ { printf "\"%s\", ", $1 } END { printf "0\n" }' signal.lst` sig_num_init=`$awk 'BEGIN { printf "0, " } !/^NSIG/ { printf "%d, ", $2} END { printf "0\n"}' signal.lst` ;; esac echo "The following $sig_count signals are available:" echo " " echo $sig_name | $awk \ 'BEGIN { linelen = 0 } { for (i = 1; i <= NF; i++) { name = "SIG" $i " " linelen = linelen + length(name) if (linelen > 70) { printf "\n" linelen = length(name) } printf "%s", name } printf "\n" }' sig_size=`echo $sig_name | awk '{print NF}'` $rm -f signal signal.c signal.awk signal.lst signal_cmd echo " " case "$sizetype" in *_t) zzz="$sizetype" ;; *) zzz="filesize" ;; esac echo "Checking the size of $zzz..." >&4 cat > try.c < #include int main() { printf("%d\n", (int)sizeof($sizetype)); exit(0); } EOCP set try if eval $compile_ok; then yyy=`$run ./try` case "$yyy" in '') sizesize=4 echo "(I can't execute the test program--guessing $sizesize.)" >&4 ;; *) sizesize=$yyy echo "Your $zzz size is $sizesize bytes." ;; esac else sizesize=4 echo "(I can't compile the test program--guessing $sizesize.)" >&4 fi : check for socklen_t echo " " echo "Checking to see if you have socklen_t..." >&4 $cat >try.c < #$d_socket HAS_SOCKET #ifdef HAS_SOCKET #include #endif int main() { socklen_t x = 16; } EOCP set try if eval $compile; then val="$define" echo "You have socklen_t." else val="$undef" echo "You do not have socklen_t." case "$sizetype" in size_t) echo "(You do have size_t, that might work. Some people are happy with just an int.)" ;; esac fi $rm -f try try.* set d_socklen_t eval $setvar : see if this is a socks.h system set socks.h i_socks eval $inhdr : check for type of the size argument to socket calls case "$d_socket" in "$define") $cat < try.c < #include #define Size_t $sizetype #define SSize_t $dflt int main() { if (sizeof(Size_t) == sizeof(SSize_t)) printf("$dflt\n"); else if (sizeof(Size_t) == sizeof(int)) printf("int\n"); else printf("long\n"); exit(0); } EOM echo " " set try if eval $compile_ok && $run ./try > /dev/null; then ssizetype=`$run ./try` echo "I'll be using $ssizetype for functions returning a byte count." >&4 else $cat >&4 <' | $cppstdin $cppminus > stdioh if $contains 'unsigned.*char.*_ptr;' stdioh >/dev/null 2>&1 ; then echo "Your stdio uses unsigned chars." >&4 stdchar="unsigned char" else echo "Your stdio uses signed chars." >&4 stdchar="char" fi $rm -f stdioh : see if time exists echo " " if test "X$d_time" = X -o X"$timetype" = X; then if set time val -f d_time; eval $csym; $val; then echo 'time() found.' >&4 val="$define" rp="What is the type returned by time() on this system?" set time_t timetype long stdio.h sys/types.h eval $typedef_ask else echo 'time() not found, hope that will do.' >&4 val="$undef" timetype='int'; fi set d_time eval $setvar fi : see what type uids are declared as in the kernel echo " " echo "Looking for the type for user ids returned by getuid()." set uid_t uidtype xxx stdio.h sys/types.h eval $typedef case "$uidtype" in xxx) xxx=`./findhdr sys/user.h` set `grep '_ruid;' "$xxx" 2>/dev/null` unsigned short case $1 in unsigned) dflt="$1 $2" ;; *) dflt="$1" ;; esac ;; *) dflt="$uidtype";; esac case "$uidtype" in uid_t) echo "uid_t found." ;; *) rp="What is the type for user ids returned by getuid()?" . ./myread uidtype="$ans" ;; esac echo " " case "$uidtype" in *_t) zzz="$uidtype" ;; *) zzz="uid" ;; esac echo "Checking the size of $zzz..." >&4 cat > try.c < #include int main() { printf("%d\n", (int)sizeof($uidtype)); exit(0); } EOCP set try if eval $compile_ok; then yyy=`$run ./try` case "$yyy" in '') uidsize=4 echo "(I can't execute the test program--guessing $uidsize.)" >&4 ;; *) uidsize=$yyy echo "Your $zzz is $uidsize bytes long." ;; esac else uidsize=4 echo "(I can't compile the test program--guessing $uidsize.)" >&4 fi echo " " case "$uidtype" in *_t) zzz="$uidtype" ;; *) zzz="uid" ;; esac echo "Checking the sign of $zzz..." >&4 cat > try.c < #include int main() { $uidtype foo = -1; if (foo < 0) printf("-1\n"); else printf("1\n"); } EOCP set try if eval $compile; then yyy=`$run ./try` case "$yyy" in '') uidsign=1 echo "(I can't execute the test program--guessing unsigned.)" >&4 ;; *) uidsign=$yyy case "$uidsign" in 1) echo "Your $zzz is unsigned." ;; -1) echo "Your $zzz is signed." ;; esac ;; esac else uidsign=1 echo "(I can't compile the test program--guessing unsigned.)" >&4 fi echo " " $echo "Checking the format string to be used for uids..." >&4 case "$uidsign" in -1) if $test X"$uidsize" = X"$ivsize"; then uidformat="$ivdformat" else if $test X"$uidsize" = X"$longsize"; then uidformat='"ld"' else if $test X"$uidsize" = X"$intsize"; then uidformat='"d"' else if $test X"$uidsize" = X"$shortsize"; then uidformat='"hd"' fi fi fi fi ;; *) if $test X"$uidsize" = X"$uvsize"; then uidformat="$uvuformat" else if $test X"$uidsize" = X"$longsize"; then uidformat='"lu"' else if $test X"$uidsize" = X"$intsize"; then uidformat='"u"' else if $test X"$uidsize" = X"$shortsize"; then uidformat='"hu"' fi fi fi fi ;; esac : determine compiler compiler case "$yacc" in '') dflt=yacc;; *) dflt="$yacc";; esac echo " " comp='yacc' if $test -f "$byacc$_exe"; then dflt="$byacc" comp="byacc or $comp" fi if $test -f "$bison$_exe"; then comp="$comp or bison -y" fi rp="Which compiler compiler ($comp) shall I use?" . ./myread yacc="$ans" case "$yacc" in *bis*) case "$yacc" in *-y*) ;; *) yacc="$yacc -y" echo "(Adding -y option to bison to get yacc-compatible behaviour.)" ;; esac ;; esac : see if this is a fp.h system set fp.h i_fp eval $inhdr : see if this is a fp_class.h system set fp_class.h i_fp_class eval $inhdr : see if this is a ieeefp.h system case "$i_ieeefp" in '' ) set ieeefp.h i_ieeefp eval $inhdr ;; esac : see if this is a libutil.h system set libutil.h i_libutil eval $inhdr : see if locale.h is available set locale.h i_locale eval $inhdr : see if mach cthreads are available if test "X$usethreads" = "X$define"; then set mach/cthreads.h i_machcthr eval $inhdr else i_machcthr="$undef" fi : see if this is a math.h system set math.h i_math eval $inhdr : see if this is a mntent.h system set mntent.h i_mntent eval $inhdr : see if ndbm.h is available set ndbm.h t_ndbm eval $inhdr case "$t_ndbm" in $undef) # Some Linux distributions such as RedHat 7.1 put the # ndbm.h header in /usr/include/gdbm/ndbm.h. if $test -f /usr/include/gdbm/ndbm.h; then echo ' found.' ccflags="$ccflags -I/usr/include/gdbm" cppflags="$cppflags -I/usr/include/gdbm" t_ndbm=$define fi ;; esac case "$t_ndbm" in $define) : see if dbm_open exists set dbm_open d_dbm_open eval $inlibc case "$d_dbm_open" in $undef) t_ndbm="$undef" echo "We won't be including " ;; esac ;; esac val="$t_ndbm" set i_ndbm eval $setvar : see if net/errno.h is available val='' set net/errno.h val eval $inhdr : Unfortunately, it causes problems on some systems. Arrgh. case "$val" in $define) cat > try.c <<'EOM' #include #include #include int func() { return ENOTSOCK; } EOM if $cc $ccflags -c try.c >/dev/null 2>&1; then echo "We'll be including ." >&4 else echo "We won't be including ." >&4 val="$undef" fi $rm -f try.* try ;; esac set i_neterrno eval $setvar : see if netinet/tcp.h is available set netinet/tcp.h i_netinettcp eval $inhdr : see if this is a poll.h system set poll.h i_poll eval $inhdr : see if this is a prot.h system set prot.h i_prot eval $inhdr echo " " $echo "Guessing which symbols your C compiler and preprocessor define..." >&4 $cat <<'EOSH' > Cppsym.know a29k ABI64 aegis AES_SOURCE AIX AIX32 AIX370 AIX41 AIX42 AIX43 AIX_SOURCE aixpc ALL_SOURCE alliant alpha am29000 AM29000 AMD64 amiga AMIGAOS AMIX ansi ANSI_C_SOURCE apollo ardent ARM32 atarist att386 att3b BeOS BIG_ENDIAN BIT_MSF bsd BSD bsd43 bsd4_2 bsd4_3 BSD4_3 bsd4_4 BSD_4_3 BSD_4_4 BSD_NET2 BSD_TIME BSD_TYPES BSDCOMPAT bsdi bull c cadmus clipper CMU COFF COMPILER_VERSION concurrent convex cpu cray CRAY CRAYMPP ctix CX_UX CYGWIN DGUX DGUX_SOURCE DJGPP dmert DOLPHIN DPX2 DSO Dynix DynixPTX ELF encore EPI EXTENSIONS FAVOR_BSD FILE_OFFSET_BITS FreeBSD GCC_NEW_VARARGS gcos gcx gimpel GLIBC GLIBC_MINOR GNU_SOURCE GNUC GNUC_MINOR GNU_LIBRARY GO32 gould GOULD_PN H3050R H3050RX hbullx20 hcx host_mips hp200 hp300 hp700 HP700 hp800 hp9000 hp9000s200 hp9000s300 hp9000s400 hp9000s500 hp9000s700 hp9000s800 hp9k8 hp_osf hppa hpux HPUX_SOURCE i186 i286 i386 i486 i586 i686 i8086 i80960 i860 I960 IA64 iAPX286 ibm ibm032 ibmesa IBMR2 ibmrt ILP32 ILP64 INLINE_INTRINSICS INTRINSICS INT64 interdata is68k ksr1 LANGUAGE_C LARGE_FILE_API LARGEFILE64_SOURCE LARGEFILE_SOURCE LFS64_LARGEFILE LFS_LARGEFILE Linux LITTLE_ENDIAN LONG64 LONG_DOUBLE LONG_LONG LONGDOUBLE LONGLONG LP64 luna luna88k Lynx M68000 m68k m88100 m88k M88KBCS_TARGET M_COFF M_I186 M_I286 M_I386 M_I8086 M_I86 M_I86SM M_SYS3 M_SYS5 M_SYSIII M_SYSV M_UNIX M_XENIX MACH machine MachTen MATH_HAS_NO_SIDE_EFFECTS mc300 mc500 mc68000 mc68010 mc68020 mc68030 mc68040 mc68060 mc68k mc68k32 mc700 mc88000 mc88100 merlin mert MiNT mips MIPS_FPSET MIPS_ISA MIPS_SIM MIPS_SZINT MIPS_SZLONG MIPS_SZPTR MIPSEB MIPSEL MODERN_C motorola mpeix MSDOS MTXINU MULTIMAX mvs MVS n16 ncl_el ncl_mr NetBSD news1500 news1700 news1800 news1900 news3700 news700 news800 news900 NeXT NLS nonstopux ns16000 ns32000 ns32016 ns32332 ns32k nsc32000 OCS88 OEMVS OpenBSD os OS2 OS390 osf OSF1 OSF_SOURCE pa_risc PA_RISC1_1 PA_RISC2_0 PARAGON parisc pc532 pdp11 PGC PIC plexus PORTAR posix POSIX1B_SOURCE POSIX2_SOURCE POSIX4_SOURCE POSIX_C_SOURCE POSIX_SOURCE POWER PROTOTYPES PWB pyr QNX R3000 REENTRANT RES Rhapsody RISC6000 riscix riscos RT S390 SA110 scs SCO sequent sgi SGI_SOURCE SH3 sinix SIZE_INT SIZE_LONG SIZE_PTR SOCKET_SOURCE SOCKETS_SOURCE sony sony_news sonyrisc sparc sparclite spectrum stardent stdc STDC_EXT stratos sun sun3 sun386 Sun386i svr3 svr4 SVR4_2 SVR4_SOURCE svr5 SX system SYSTYPE_BSD SYSTYPE_BSD43 SYSTYPE_BSD44 SYSTYPE_SVR4 SYSTYPE_SVR5 SYSTYPE_SYSV SYSV SYSV3 SYSV4 SYSV5 sysV68 sysV88 Tek4132 Tek4300 titan TM3200 TM5400 TM5600 tower tower32 tower32_200 tower32_600 tower32_700 tower32_800 tower32_850 tss u370 u3b u3b2 u3b20 u3b200 u3b20d u3b5 ultrix UMAXV UnicomPBB UnicomPBD UNICOS UNICOSMK unix UNIX95 UNIX99 unixpc unos USE_BSD USE_FILE_OFFSET64 USE_GNU USE_ISOC9X USE_LARGEFILE USE_LARGEFILE64 USE_MISC USE_POSIX USE_POSIX199309 USE_POSIX199506 USE_POSIX2 USE_REENTRANT USE_SVID USE_UNIX98 USE_XOPEN USE_XOPEN_EXTENDED USGr4 USGr4_2 Utek UTek UTS UWIN uxpm uxps vax venix VMESA vms xenix Xenix286 XOPEN_SOURCE XOPEN_SOURCE_EXTENDED XPG2 XPG2_EXTENDED XPG3 XPG3_EXTENDED XPG4 XPG4_EXTENDED z8000 EOSH # Maybe put other stuff here too. cat <>Cppsym.know $osname EOSH ./tr '[a-z]' '[A-Z]' < Cppsym.know > Cppsym.a ./tr '[A-Z]' '[a-z]' < Cppsym.know > Cppsym.b $cat Cppsym.know > Cppsym.c $cat Cppsym.a Cppsym.b Cppsym.c | $tr ' ' $trnl | $sort | $uniq > Cppsym.know $rm -f Cppsym.a Cppsym.b Cppsym.c cat < Cppsym $startsh if $test \$# -gt 0; then echo \$* | $tr " " "$trnl" | ./Cppsym.try > Cppsym.got if $test -s Cppsym.got; then $rm -f Cppsym.got exit 0 fi $rm -f Cppsym.got exit 1 else $tr " " "$trnl" | ./Cppsym.try exit 0 fi EOSH chmod +x Cppsym $eunicefix Cppsym cat < Cppsym.try $startsh cat <<'EOCP' > try.c #include int main() { EOCP $awk \\ EOSH cat <<'EOSH' >> Cppsym.try 'length($1) > 0 { printf "#ifdef %s\n#if %s+0\nprintf(\"%s=%%ld\\n\", (long)%s);\n#else\nprintf(\"%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1 printf "#ifdef _%s\n#if _%s+0\nprintf(\"_%s=%%ld\\n\", (long)_%s);\n#else\nprintf(\"_%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1 printf "#ifdef __%s\n#if __%s+0\nprintf(\"__%s=%%ld\\n\", (long)__%s);\n#else\nprintf(\"__%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1 printf "#ifdef __%s__\n#if __%s__+0\nprintf(\"__%s__=%%ld\\n\", (long)__%s__);\n#else\nprintf(\"__%s__\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1 }' >> try.c echo 'return 0;}' >> try.c EOSH cat <> Cppsym.try ccflags="$ccflags" case "$osname-$gccversion" in irix-) ccflags="\$ccflags -woff 1178" ;; os2-*) ccflags="\$ccflags -Zlinker /PM:VIO" ;; esac $cc -o try $optimize \$ccflags $ldflags try.c $libs && $run ./try EOSH chmod +x Cppsym.try $eunicefix Cppsym.try ./Cppsym < Cppsym.know > Cppsym.true : now check the C compiler for additional symbols postprocess_cc_v='' case "$osname" in aix) postprocess_cc_v="|$tr , ' '" ;; esac $cat >ccsym <tmp.c <&1 $postprocess_cc_v\` do case "\$i" in -D*) echo "\$i" | $sed 's/^-D//';; -A*) $test "$gccversion" && echo "\$i" | $sed 's/^-A\(.*\)(\(.*\))/\1=\2/';; esac done $rm -f try.c EOS postprocess_cc_v='' chmod +x ccsym $eunicefix ccsym ./ccsym > ccsym1.raw if $test -s ccsym1.raw; then $sort ccsym1.raw | $uniq >ccsym.raw else mv ccsym1.raw ccsym.raw fi $awk '/\=/ { print $0; next } { print $0"=1" }' ccsym.raw >ccsym.list $awk '/\=/ { print $0; next } { print $0"=1" }' Cppsym.true >ccsym.true $comm -13 ccsym.true ccsym.list >ccsym.own $comm -12 ccsym.true ccsym.list >ccsym.com $comm -23 ccsym.true ccsym.list >ccsym.cpp also='' if $test -z ccsym.raw; then echo "Your C compiler doesn't seem to define any symbols!" >&4 echo " " echo "However, your C preprocessor defines the following symbols:" $cat Cppsym.true ccsymbols='' cppsymbols=`$cat Cppsym.true` cppsymbols=`echo $cppsymbols` cppccsymbols="$cppsymbols" else if $test -s ccsym.com; then echo "Your C compiler and pre-processor define these symbols:" $sed -e 's/\(..*\)=.*/\1/' ccsym.com also='also ' symbols='ones' cppccsymbols=`$cat ccsym.com` cppccsymbols=`echo $cppccsymbols` $test "$silent" || sleep 1 fi if $test -s ccsym.cpp; then $test "$also" && echo " " echo "Your C pre-processor ${also}defines the following symbols:" $sed -e 's/\(..*\)=.*/\1/' ccsym.cpp also='further ' cppsymbols=`$cat ccsym.cpp` cppsymbols=`echo $cppsymbols` $test "$silent" || sleep 1 fi if $test -s ccsym.own; then $test "$also" && echo " " echo "Your C compiler ${also}defines the following cpp symbols:" $sed -e 's/\(..*\)=1/\1/' ccsym.own $sed -e 's/\(..*\)=.*/\1/' ccsym.own | $uniq >>Cppsym.true ccsymbols=`$cat ccsym.own` ccsymbols=`echo $ccsymbols` $test "$silent" || sleep 1 fi fi : see if this is a termio system val="$undef" val2="$undef" val3="$undef" if $test `./findhdr termios.h`; then set tcsetattr i_termios eval $inlibc val3="$i_termios" fi echo " " case "$val3" in "$define") echo "You have POSIX termios.h... good!" >&4;; *) if ./Cppsym pyr; then case "`/bin/universe`" in ucb) if $test `./findhdr sgtty.h`; then val2="$define" echo " found." >&4 else echo "System is pyramid with BSD universe." echo " not found--you could have problems." >&4 fi;; *) if $test `./findhdr termio.h`; then val="$define" echo " found." >&4 else echo "System is pyramid with USG universe." echo " not found--you could have problems." >&4 fi;; esac elif ./usg; then if $test `./findhdr termio.h`; then echo " found." >&4 val="$define" elif $test `./findhdr sgtty.h`; then echo " found." >&4 val2="$define" else echo "Neither nor found--you could have problems." >&4 fi else if $test `./findhdr sgtty.h`; then echo " found." >&4 val2="$define" elif $test `./findhdr termio.h`; then echo " found." >&4 val="$define" else echo "Neither nor found--you could have problems." >&4 fi fi;; esac set i_termio; eval $setvar val=$val2; set i_sgtty; eval $setvar val=$val3; set i_termios; eval $setvar : see if this is a shadow.h system set shadow.h i_shadow eval $inhdr : see if stddef is available set stddef.h i_stddef eval $inhdr : see if this is a sunmath.h system set sunmath.h i_sunmath eval $inhdr : see if sys/access.h is available set sys/access.h i_sysaccess eval $inhdr : see if ioctl defs are in sgtty, termio, sys/filio or sys/ioctl set sys/filio.h i_sysfilio eval $inhdr echo " " if $test `./findhdr sys/ioctl.h`; then val="$define" echo ' found.' >&4 else val="$undef" if $test $i_sysfilio = "$define"; then echo ' NOT found.' >&4 else $test $i_sgtty = "$define" && xxx="sgtty.h" $test $i_termio = "$define" && xxx="termio.h" $test $i_termios = "$define" && xxx="termios.h" echo "No found, assuming ioctl args are defined in <$xxx>." >&4 fi fi set i_sysioctl eval $setvar : see if socket ioctl defs are in sys/sockio.h echo " " xxx=`./findhdr sys/sockio.h` if $test "$xxx"; then if $contains SIOCATMARK $xxx >/dev/null 2>&1; then val="$define" echo "You have socket ioctls defined in ." >&4 else val="$undef" echo "No socket ioctls found in ." >&4 fi else val="$undef" $cat < not found, assuming socket ioctls are in . EOM fi set i_syssockio eval $setvar : see if this is a syslog.h system set syslog.h i_syslog eval $inhdr : see if this is a sys/mode.h system set sys/mode.h i_sysmode eval $inhdr : see if sys/resource.h has to be included set sys/resource.h i_sysresrc eval $inhdr : see if sys/security.h is available set sys/security.h i_syssecrt eval $inhdr : see if this is a sys/statvfs.h system set sys/statvfs.h i_sysstatvfs eval $inhdr : see if this is a sys/un.h system set sys/un.h i_sysun eval $inhdr : see if this is a sys/utsname.h system set sys/utsname.h i_sysutsname eval $inhdr : see if this is a syswait system set sys/wait.h i_syswait eval $inhdr : see if this is a ustat.h system set ustat.h i_ustat eval $inhdr : see if this is an utime system set utime.h i_utime eval $inhdr : see if this is a values.h system set values.h i_values eval $inhdr : see if this is a vfork system case "$d_vfork" in "$define") set vfork.h i_vfork eval $inhdr ;; *) i_vfork="$undef" ;; esac : see if gdbm.h is available set gdbm.h t_gdbm eval $inhdr case "$t_gdbm" in $define) : see if gdbm_open exists set gdbm_open d_gdbm_open eval $inlibc case "$d_gdbm_open" in $undef) t_gdbm="$undef" echo "We won't be including " ;; esac ;; esac val="$t_gdbm" set i_gdbm eval $setvar echo " " echo "Looking for extensions..." >&4 : If we are using the old config.sh, known_extensions may contain : old or inaccurate or duplicate values. known_extensions='' nonxs_extensions='' : We do not use find because it might not be available. : We do not just use MANIFEST because the user may have dropped : some additional extensions into the source tree and expect them : to be built. : Function to recursively find available extensions, ignoring DynaLoader : NOTE: recursion limit of 10 to prevent runaway in case of symlink madness find_extensions=' for xxx in *; do case "$xxx" in DynaLoader|dynaload) ;; *) if $test -f $xxx/$xxx.xs; then known_extensions="$known_extensions $1$xxx"; elif $test -f $xxx/Makefile.PL; then nonxs_extensions="$nonxs_extensions $1$xxx"; else if $test -d $xxx -a $# -lt 10; then set $1$xxx/ $*; cd "$xxx"; eval $find_extensions; cd ..; shift; fi; fi ;; esac; done' tdir=`pwd` cd "$rsrc/ext" set X shift eval $find_extensions # Special case: Add in threads/shared since it is not picked up by the # recursive find above (and adding in general recursive finding breaks # SDBM_File/sdbm). A.D. 10/25/2001. known_extensions="$known_extensions threads/shared" set X $nonxs_extensions shift nonxs_extensions="$*" set X $known_extensions shift known_extensions="$*" cd "$tdir" : Now see which are supported on this system. avail_ext='' for xxx in $known_extensions ; do case "$xxx" in DB_File|db_file) case "$i_db" in $define) avail_ext="$avail_ext $xxx" ;; esac ;; GDBM_File|gdbm_fil) case "$i_gdbm" in $define) avail_ext="$avail_ext $xxx" ;; esac ;; I18N/Langinfo|i18n_lan) case "$i_langinfo$d_nl_langinfo" in $define$define) avail_ext="$avail_ext $xxx" ;; esac ;; NDBM_File|ndbm_fil) case "$i_ndbm" in $define) case "$osname-$use64bitint" in cygwin-*|hpux-define) case "$libs" in *-lndbm*) avail_ext="$avail_ext $xxx" ;; esac ;; *) avail_ext="$avail_ext $xxx" ;; esac ;; esac ;; ODBM_File|odbm_fil) case "${i_dbm}${i_rpcsvcdbm}" in *"${define}"*) case "$osname-$use64bitint" in cygwin-*|hpux-define) case "$libs" in *-ldbm*) avail_ext="$avail_ext $xxx" ;; esac ;; *) avail_ext="$avail_ext $xxx" ;; esac ;; esac ;; POSIX|posix) case "$useposix" in true|define|y) avail_ext="$avail_ext $xxx" ;; esac ;; Opcode|opcode) case "$useopcode" in true|define|y) avail_ext="$avail_ext $xxx" ;; esac ;; Socket|socket) case "$d_socket" in true|$define|y) case "$osname" in beos) ;; # not unless BONE *) avail_ext="$avail_ext $xxx" ;; esac ;; esac ;; Sys/Syslog|sys/syslog) : XXX syslog requires socket case "$d_socket" in true|$define|y) avail_ext="$avail_ext $xxx" ;; esac ;; Thread|thread) case "$usethreads" in true|$define|y) case "$useithreads" in $undef|false|[nN]*) avail_ext="$avail_ext $xxx" ;; esac esac ;; threads|threads/shared) case "$usethreads" in true|$define|y) case "$useithreads" in $define|true|[yY]*) avail_ext="$avail_ext $xxx" ;; esac esac ;; IPC/SysV|ipc/sysv) : XXX Do we need a useipcsysv variable here case "${d_msg}${d_sem}${d_shm}" in *"${define}"*) avail_ext="$avail_ext $xxx" ;; esac ;; *) avail_ext="$avail_ext $xxx" ;; esac done set X $avail_ext shift avail_ext="$*" : Now see which nonxs extensions are supported on this system. : For now assume all are. nonxs_ext='' for xxx in $nonxs_extensions ; do case "$xxx" in *) nonxs_ext="$nonxs_ext $xxx" ;; esac done set X $nonxs_ext shift nonxs_ext="$*" case $usedl in $define) $cat <&4 for file in $loclist $trylist; do eval temp=\$$file eval $file=`basename $temp` done ;; esac : create config.sh file echo " " echo "Creating config.sh..." >&4 $spitshell <config.sh $startsh # # This file was produced by running the Configure script. It holds all the # definitions figured out by Configure. Should you modify one of these values, # do not forget to propagate your changes by running "Configure -der". You may # instead choose to run each of the .SH files by yourself, or "Configure -S". # # Package name : $package # Source directory : $src # Configuration time: $cf_time # Configured by : $cf_by # Target system : $myuname Author='$Author' Date='$Date' Header='$Header' Id='$Id' Locker='$Locker' Log='$Log' Mcc='$Mcc' RCSfile='$RCSfile' Revision='$Revision' Source='$Source' State='$State' _a='$_a' _exe='$_exe' _o='$_o' afs='$afs' afsroot='$afsroot' alignbytes='$alignbytes' ansi2knr='$ansi2knr' aphostname='$aphostname' api_revision='$api_revision' api_subversion='$api_subversion' api_version='$api_version' api_versionstring='$api_versionstring' ar='$ar' archlib='$archlib' archlibexp='$archlibexp' archname64='$archname64' archname='$archname' archobjs='$archobjs' awk='$awk' baserev='$baserev' bash='$bash' bin='$bin' bincompat5005='$bincompat5005' binexp='$binexp' bison='$bison' byacc='$byacc' byteorder='$byteorder' c='$c' castflags='$castflags' cat='$cat' cc='$cc' cccdlflags='$cccdlflags' ccdlflags='$ccdlflags' ccflags='$ccflags' ccflags_uselargefiles='$ccflags_uselargefiles' ccname='$ccname' ccsymbols='$ccsymbols' ccversion='$ccversion' cf_by='$cf_by' cf_email='$cf_email' cf_time='$cf_time' charsize='$charsize' chgrp='$chgrp' chmod='$chmod' chown='$chown' clocktype='$clocktype' comm='$comm' compress='$compress' contains='$contains' cp='$cp' cpio='$cpio' cpp='$cpp' cpp_stuff='$cpp_stuff' cppccsymbols='$cppccsymbols' cppflags='$cppflags' cpplast='$cpplast' cppminus='$cppminus' cpprun='$cpprun' cppstdin='$cppstdin' cppsymbols='$cppsymbols' cryptlib='$cryptlib' csh='$csh' d_Gconvert='$d_Gconvert' d_PRIEUldbl='$d_PRIEUldbl' d_PRIFUldbl='$d_PRIFUldbl' d_PRIGUldbl='$d_PRIGUldbl' d_PRIXU64='$d_PRIXU64' d_PRId64='$d_PRId64' d_PRIeldbl='$d_PRIeldbl' d_PRIfldbl='$d_PRIfldbl' d_PRIgldbl='$d_PRIgldbl' d_PRIi64='$d_PRIi64' d_PRIo64='$d_PRIo64' d_PRIu64='$d_PRIu64' d_PRIx64='$d_PRIx64' d_SCNfldbl='$d_SCNfldbl' d__fwalk='$d__fwalk' d_access='$d_access' d_accessx='$d_accessx' d_alarm='$d_alarm' d_archlib='$d_archlib' d_atolf='$d_atolf' d_atoll='$d_atoll' d_attribut='$d_attribut' d_bcmp='$d_bcmp' d_bcopy='$d_bcopy' d_bincompat5005='$d_bincompat5005' d_bsd='$d_bsd' d_bsdgetpgrp='$d_bsdgetpgrp' d_bsdsetpgrp='$d_bsdsetpgrp' d_bzero='$d_bzero' d_casti32='$d_casti32' d_castneg='$d_castneg' d_charvspr='$d_charvspr' d_chown='$d_chown' d_chroot='$d_chroot' d_chsize='$d_chsize' d_class='$d_class' d_closedir='$d_closedir' d_cmsghdr_s='$d_cmsghdr_s' d_const='$d_const' d_crypt='$d_crypt' d_csh='$d_csh' d_cuserid='$d_cuserid' d_dbl_dig='$d_dbl_dig' d_dbminitproto='$d_dbminitproto' d_difftime='$d_difftime' d_dirfd='$d_dirfd' d_dirnamlen='$d_dirnamlen' d_dlerror='$d_dlerror' d_dlopen='$d_dlopen' d_dlsymun='$d_dlsymun' d_dosuid='$d_dosuid' d_drand48proto='$d_drand48proto' d_dup2='$d_dup2' d_eaccess='$d_eaccess' d_endgrent='$d_endgrent' d_endhent='$d_endhent' d_endnent='$d_endnent' d_endpent='$d_endpent' d_endpwent='$d_endpwent' d_endsent='$d_endsent' d_eofnblk='$d_eofnblk' d_eunice='$d_eunice' d_fchdir='$d_fchdir' d_fchmod='$d_fchmod' d_fchown='$d_fchown' d_fcntl='$d_fcntl' d_fcntl_can_lock='$d_fcntl_can_lock' d_fd_macros='$d_fd_macros' d_fd_set='$d_fd_set' d_fds_bits='$d_fds_bits' d_fgetpos='$d_fgetpos' d_finite='$d_finite' d_finitel='$d_finitel' d_flexfnam='$d_flexfnam' d_flock='$d_flock' d_flockproto='$d_flockproto' d_fork='$d_fork' d_fp_class='$d_fp_class' d_fpathconf='$d_fpathconf' d_fpclass='$d_fpclass' d_fpclassify='$d_fpclassify' d_fpclassl='$d_fpclassl' d_fpos64_t='$d_fpos64_t' d_frexpl='$d_frexpl' d_fs_data_s='$d_fs_data_s' d_fseeko='$d_fseeko' d_fsetpos='$d_fsetpos' d_fstatfs='$d_fstatfs' d_fstatvfs='$d_fstatvfs' d_fsync='$d_fsync' d_ftello='$d_ftello' d_ftime='$d_ftime' d_getcwd='$d_getcwd' d_getespwnam='$d_getespwnam' d_getfsstat='$d_getfsstat' d_getgrent='$d_getgrent' d_getgrps='$d_getgrps' d_gethbyaddr='$d_gethbyaddr' d_gethbyname='$d_gethbyname' d_gethent='$d_gethent' d_gethname='$d_gethname' d_gethostprotos='$d_gethostprotos' d_getitimer='$d_getitimer' d_getlogin='$d_getlogin' d_getmnt='$d_getmnt' d_getmntent='$d_getmntent' d_getnbyaddr='$d_getnbyaddr' d_getnbyname='$d_getnbyname' d_getnent='$d_getnent' d_getnetprotos='$d_getnetprotos' d_getpagsz='$d_getpagsz' d_getpbyname='$d_getpbyname' d_getpbynumber='$d_getpbynumber' d_getpent='$d_getpent' d_getpgid='$d_getpgid' d_getpgrp2='$d_getpgrp2' d_getpgrp='$d_getpgrp' d_getppid='$d_getppid' d_getprior='$d_getprior' d_getprotoprotos='$d_getprotoprotos' d_getprpwnam='$d_getprpwnam' d_getpwent='$d_getpwent' d_getsbyname='$d_getsbyname' d_getsbyport='$d_getsbyport' d_getsent='$d_getsent' d_getservprotos='$d_getservprotos' d_getspnam='$d_getspnam' d_gettimeod='$d_gettimeod' d_gnulibc='$d_gnulibc' d_grpasswd='$d_grpasswd' d_hasmntopt='$d_hasmntopt' d_htonl='$d_htonl' d_index='$d_index' d_inetaton='$d_inetaton' d_int64_t='$d_int64_t' d_isascii='$d_isascii' d_isfinite='$d_isfinite' d_isinf='$d_isinf' d_isnan='$d_isnan' d_isnanl='$d_isnanl' d_killpg='$d_killpg' d_lchown='$d_lchown' d_ldbl_dig='$d_ldbl_dig' d_link='$d_link' d_locconv='$d_locconv' d_lockf='$d_lockf' d_longdbl='$d_longdbl' d_longlong='$d_longlong' d_lseekproto='$d_lseekproto' d_lstat='$d_lstat' d_madvise='$d_madvise' d_mblen='$d_mblen' d_mbstowcs='$d_mbstowcs' d_mbtowc='$d_mbtowc' d_memchr='$d_memchr' d_memcmp='$d_memcmp' d_memcpy='$d_memcpy' d_memmove='$d_memmove' d_memset='$d_memset' d_mkdir='$d_mkdir' d_mkdtemp='$d_mkdtemp' d_mkfifo='$d_mkfifo' d_mkstemp='$d_mkstemp' d_mkstemps='$d_mkstemps' d_mktime='$d_mktime' d_mmap='$d_mmap' d_modfl='$d_modfl' d_modfl_pow32_bug='$d_modfl_pow32_bug' d_mprotect='$d_mprotect' d_msg='$d_msg' d_msg_ctrunc='$d_msg_ctrunc' d_msg_dontroute='$d_msg_dontroute' d_msg_oob='$d_msg_oob' d_msg_peek='$d_msg_peek' d_msg_proxy='$d_msg_proxy' d_msgctl='$d_msgctl' d_msgget='$d_msgget' d_msghdr_s='$d_msghdr_s' d_msgrcv='$d_msgrcv' d_msgsnd='$d_msgsnd' d_msync='$d_msync' d_munmap='$d_munmap' d_mymalloc='$d_mymalloc' d_nice='$d_nice' d_nl_langinfo='$d_nl_langinfo' d_nv_preserves_uv='$d_nv_preserves_uv' d_nv_preserves_uv_bits='$d_nv_preserves_uv_bits' d_off64_t='$d_off64_t' d_old_pthread_create_joinable='$d_old_pthread_create_joinable' d_oldpthreads='$d_oldpthreads' d_oldsock='$d_oldsock' d_open3='$d_open3' d_pathconf='$d_pathconf' d_pause='$d_pause' d_perl_otherlibdirs='$d_perl_otherlibdirs' d_phostname='$d_phostname' d_pipe='$d_pipe' d_poll='$d_poll' d_portable='$d_portable' d_procselfexe='$d_procselfexe' d_pthread_atfork='$d_pthread_atfork' d_pthread_yield='$d_pthread_yield' d_pwage='$d_pwage' d_pwchange='$d_pwchange' d_pwclass='$d_pwclass' d_pwcomment='$d_pwcomment' d_pwexpire='$d_pwexpire' d_pwgecos='$d_pwgecos' d_pwpasswd='$d_pwpasswd' d_pwquota='$d_pwquota' d_qgcvt='$d_qgcvt' d_quad='$d_quad' d_readdir='$d_readdir' d_readlink='$d_readlink' d_readv='$d_readv' d_recvmsg='$d_recvmsg' d_rename='$d_rename' d_rewinddir='$d_rewinddir' d_rmdir='$d_rmdir' d_safebcpy='$d_safebcpy' d_safemcpy='$d_safemcpy' d_sanemcmp='$d_sanemcmp' d_sbrkproto='$d_sbrkproto' d_sched_yield='$d_sched_yield' d_scm_rights='$d_scm_rights' d_seekdir='$d_seekdir' d_select='$d_select' d_sem='$d_sem' d_semctl='$d_semctl' d_semctl_semid_ds='$d_semctl_semid_ds' d_semctl_semun='$d_semctl_semun' d_semget='$d_semget' d_semop='$d_semop' d_sendmsg='$d_sendmsg' d_setegid='$d_setegid' d_seteuid='$d_seteuid' d_setgrent='$d_setgrent' d_setgrps='$d_setgrps' d_sethent='$d_sethent' d_setitimer='$d_setitimer' d_setlinebuf='$d_setlinebuf' d_setlocale='$d_setlocale' d_setnent='$d_setnent' d_setpent='$d_setpent' d_setpgid='$d_setpgid' d_setpgrp2='$d_setpgrp2' d_setpgrp='$d_setpgrp' d_setprior='$d_setprior' d_setproctitle='$d_setproctitle' d_setpwent='$d_setpwent' d_setregid='$d_setregid' d_setresgid='$d_setresgid' d_setresuid='$d_setresuid' d_setreuid='$d_setreuid' d_setrgid='$d_setrgid' d_setruid='$d_setruid' d_setsent='$d_setsent' d_setsid='$d_setsid' d_setvbuf='$d_setvbuf' d_sfio='$d_sfio' d_shm='$d_shm' d_shmat='$d_shmat' d_shmatprototype='$d_shmatprototype' d_shmctl='$d_shmctl' d_shmdt='$d_shmdt' d_shmget='$d_shmget' d_sigaction='$d_sigaction' d_sigprocmask='$d_sigprocmask' d_sigsetjmp='$d_sigsetjmp' d_sockatmark='$d_sockatmark' d_sockatmarkproto='$d_sockatmarkproto' d_socket='$d_socket' d_socklen_t='$d_socklen_t' d_sockpair='$d_sockpair' d_socks5_init='$d_socks5_init' d_sqrtl='$d_sqrtl' d_sresgproto='$d_sresgproto' d_sresuproto='$d_sresuproto' d_statblks='$d_statblks' d_statfs_f_flags='$d_statfs_f_flags' d_statfs_s='$d_statfs_s' d_statvfs='$d_statvfs' d_stdio_cnt_lval='$d_stdio_cnt_lval' d_stdio_ptr_lval='$d_stdio_ptr_lval' d_stdio_ptr_lval_nochange_cnt='$d_stdio_ptr_lval_nochange_cnt' d_stdio_ptr_lval_sets_cnt='$d_stdio_ptr_lval_sets_cnt' d_stdio_stream_array='$d_stdio_stream_array' d_stdiobase='$d_stdiobase' d_stdstdio='$d_stdstdio' d_strchr='$d_strchr' d_strcoll='$d_strcoll' d_strctcpy='$d_strctcpy' d_strerrm='$d_strerrm' d_strerror='$d_strerror' d_strftime='$d_strftime' d_strtod='$d_strtod' d_strtol='$d_strtol' d_strtold='$d_strtold' d_strtoll='$d_strtoll' d_strtoq='$d_strtoq' d_strtoul='$d_strtoul' d_strtoull='$d_strtoull' d_strtouq='$d_strtouq' d_strxfrm='$d_strxfrm' d_suidsafe='$d_suidsafe' d_symlink='$d_symlink' d_syscall='$d_syscall' d_syscallproto='$d_syscallproto' d_sysconf='$d_sysconf' d_sysernlst='$d_sysernlst' d_syserrlst='$d_syserrlst' d_system='$d_system' d_tcgetpgrp='$d_tcgetpgrp' d_tcsetpgrp='$d_tcsetpgrp' d_telldir='$d_telldir' d_telldirproto='$d_telldirproto' d_time='$d_time' d_times='$d_times' d_truncate='$d_truncate' d_tzname='$d_tzname' d_u32align='$d_u32align' d_ualarm='$d_ualarm' d_umask='$d_umask' d_uname='$d_uname' d_union_semun='$d_union_semun' d_unordered='$d_unordered' d_usleep='$d_usleep' d_usleepproto='$d_usleepproto' d_ustat='$d_ustat' d_vendorarch='$d_vendorarch' d_vendorbin='$d_vendorbin' d_vendorlib='$d_vendorlib' d_vfork='$d_vfork' d_void_closedir='$d_void_closedir' d_voidsig='$d_voidsig' d_voidtty='$d_voidtty' d_volatile='$d_volatile' d_vprintf='$d_vprintf' d_wait4='$d_wait4' d_waitpid='$d_waitpid' d_wcstombs='$d_wcstombs' d_wctomb='$d_wctomb' d_writev='$d_writev' d_xenix='$d_xenix' date='$date' db_hashtype='$db_hashtype' db_prefixtype='$db_prefixtype' db_version_major='$db_version_major' db_version_minor='$db_version_minor' db_version_patch='$db_version_patch' defvoidused='$defvoidused' direntrytype='$direntrytype' dlext='$dlext' dlsrc='$dlsrc' doublesize='$doublesize' drand01='$drand01' dynamic_ext='$dynamic_ext' eagain='$eagain' ebcdic='$ebcdic' echo='$echo' egrep='$egrep' emacs='$emacs' eunicefix='$eunicefix' exe_ext='$exe_ext' expr='$expr' extensions='$extensions' extras='$extras' fflushNULL='$fflushNULL' fflushall='$fflushall' find='$find' firstmakefile='$firstmakefile' flex='$flex' fpossize='$fpossize' fpostype='$fpostype' freetype='$freetype' from='$from' full_ar='$full_ar' full_csh='$full_csh' full_sed='$full_sed' gccosandvers='$gccosandvers' gccversion='$gccversion' gidformat='$gidformat' gidsign='$gidsign' gidsize='$gidsize' gidtype='$gidtype' glibpth='$glibpth' gmake='$gmake' grep='$grep' groupcat='$groupcat' groupstype='$groupstype' gzip='$gzip' h_fcntl='$h_fcntl' h_sysfile='$h_sysfile' hint='$hint' hostcat='$hostcat' i16size='$i16size' i16type='$i16type' i32size='$i32size' i32type='$i32type' i64size='$i64size' i64type='$i64type' i8size='$i8size' i8type='$i8type' i_arpainet='$i_arpainet' i_bsdioctl='$i_bsdioctl' i_db='$i_db' i_dbm='$i_dbm' i_dirent='$i_dirent' i_dld='$i_dld' i_dlfcn='$i_dlfcn' i_fcntl='$i_fcntl' i_float='$i_float' i_fp='$i_fp' i_fp_class='$i_fp_class' i_gdbm='$i_gdbm' i_grp='$i_grp' i_ieeefp='$i_ieeefp' i_inttypes='$i_inttypes' i_langinfo='$i_langinfo' i_libutil='$i_libutil' i_limits='$i_limits' i_locale='$i_locale' i_machcthr='$i_machcthr' i_malloc='$i_malloc' i_math='$i_math' i_memory='$i_memory' i_mntent='$i_mntent' i_ndbm='$i_ndbm' i_netdb='$i_netdb' i_neterrno='$i_neterrno' i_netinettcp='$i_netinettcp' i_niin='$i_niin' i_poll='$i_poll' i_prot='$i_prot' i_pthread='$i_pthread' i_pwd='$i_pwd' i_rpcsvcdbm='$i_rpcsvcdbm' i_sfio='$i_sfio' i_sgtty='$i_sgtty' i_shadow='$i_shadow' i_socks='$i_socks' i_stdarg='$i_stdarg' i_stddef='$i_stddef' i_stdlib='$i_stdlib' i_string='$i_string' i_sunmath='$i_sunmath' i_sysaccess='$i_sysaccess' i_sysdir='$i_sysdir' i_sysfile='$i_sysfile' i_sysfilio='$i_sysfilio' i_sysin='$i_sysin' i_sysioctl='$i_sysioctl' i_syslog='$i_syslog' i_sysmman='$i_sysmman' i_sysmode='$i_sysmode' i_sysmount='$i_sysmount' i_sysndir='$i_sysndir' i_sysparam='$i_sysparam' i_sysresrc='$i_sysresrc' i_syssecrt='$i_syssecrt' i_sysselct='$i_sysselct' i_syssockio='$i_syssockio' i_sysstat='$i_sysstat' i_sysstatfs='$i_sysstatfs' i_sysstatvfs='$i_sysstatvfs' i_systime='$i_systime' i_systimek='$i_systimek' i_systimes='$i_systimes' i_systypes='$i_systypes' i_sysuio='$i_sysuio' i_sysun='$i_sysun' i_sysutsname='$i_sysutsname' i_sysvfs='$i_sysvfs' i_syswait='$i_syswait' i_termio='$i_termio' i_termios='$i_termios' i_time='$i_time' i_unistd='$i_unistd' i_ustat='$i_ustat' i_utime='$i_utime' i_values='$i_values' i_varargs='$i_varargs' i_varhdr='$i_varhdr' i_vfork='$i_vfork' ignore_versioned_solibs='$ignore_versioned_solibs' inc_version_list='$inc_version_list' inc_version_list_init='$inc_version_list_init' incpath='$incpath' inews='$inews' installarchlib='$installarchlib' installbin='$installbin' installman1dir='$installman1dir' installman3dir='$installman3dir' installprefix='$installprefix' installprefixexp='$installprefixexp' installprivlib='$installprivlib' installscript='$installscript' installsitearch='$installsitearch' installsitebin='$installsitebin' installsitelib='$installsitelib' installstyle='$installstyle' installusrbinperl='$installusrbinperl' installvendorarch='$installvendorarch' installvendorbin='$installvendorbin' installvendorlib='$installvendorlib' intsize='$intsize' issymlink='$issymlink' ivdformat='$ivdformat' ivsize='$ivsize' ivtype='$ivtype' known_extensions='$known_extensions' ksh='$ksh' ld='$ld' lddlflags='$lddlflags' ldflags='$ldflags' ldflags_uselargefiles='$ldflags_uselargefiles' ldlibpthname='$ldlibpthname' less='$less' lib_ext='$lib_ext' libc='$libc' libperl='$libperl' libpth='$libpth' libs='$libs' libsdirs='$libsdirs' libsfiles='$libsfiles' libsfound='$libsfound' libspath='$libspath' libswanted='$libswanted' libswanted_uselargefiles='$libswanted_uselargefiles' line='$line' lint='$lint' lkflags='$lkflags' ln='$ln' lns='$lns' locincpth='$locincpth' loclibpth='$loclibpth' longdblsize='$longdblsize' longlongsize='$longlongsize' longsize='$longsize' lp='$lp' lpr='$lpr' ls='$ls' lseeksize='$lseeksize' lseektype='$lseektype' mail='$mail' mailx='$mailx' make='$make' make_set_make='$make_set_make' mallocobj='$mallocobj' mallocsrc='$mallocsrc' malloctype='$malloctype' man1dir='$man1dir' man1direxp='$man1direxp' man1ext='$man1ext' man3dir='$man3dir' man3direxp='$man3direxp' man3ext='$man3ext' mips_type='$mips_type' mkdir='$mkdir' mmaptype='$mmaptype' modetype='$modetype' more='$more' multiarch='$multiarch' mv='$mv' myarchname='$myarchname' mydomain='$mydomain' myhostname='$myhostname' myuname='$myuname' n='$n' need_va_copy='$need_va_copy' netdb_hlen_type='$netdb_hlen_type' netdb_host_type='$netdb_host_type' netdb_name_type='$netdb_name_type' netdb_net_type='$netdb_net_type' nm='$nm' nm_opt='$nm_opt' nm_so_opt='$nm_so_opt' nonxs_ext='$nonxs_ext' nroff='$nroff' nvEUformat='$nvEUformat' nvFUformat='$nvFUformat' nvGUformat='$nvGUformat' nveformat='$nveformat' nvfformat='$nvfformat' nvgformat='$nvgformat' nvsize='$nvsize' nvtype='$nvtype' o_nonblock='$o_nonblock' obj_ext='$obj_ext' old_pthread_create_joinable='$old_pthread_create_joinable' optimize='$optimize' orderlib='$orderlib' osname='$osname' osvers='$osvers' otherlibdirs='$otherlibdirs' package='$package' pager='$pager' passcat='$passcat' patchlevel='$patchlevel' path_sep='$path_sep' perl5='$perl5' perl='$perl' perl_patchlevel='$perl_patchlevel' perladmin='$perladmin' perllibs='$perllibs' perlpath='$perlpath' pg='$pg' phostname='$phostname' pidtype='$pidtype' plibpth='$plibpth' pm_apiversion='$pm_apiversion' pmake='$pmake' pr='$pr' prefix='$prefix' prefixexp='$prefixexp' privlib='$privlib' privlibexp='$privlibexp' procselfexe='$procselfexe' prototype='$prototype' ptrsize='$ptrsize' quadkind='$quadkind' quadtype='$quadtype' randbits='$randbits' randfunc='$randfunc' randseedtype='$randseedtype' ranlib='$ranlib' rd_nodata='$rd_nodata' revision='$revision' rm='$rm' rmail='$rmail' run='$run' runnm='$runnm' sPRIEUldbl='$sPRIEUldbl' sPRIFUldbl='$sPRIFUldbl' sPRIGUldbl='$sPRIGUldbl' sPRIXU64='$sPRIXU64' sPRId64='$sPRId64' sPRIeldbl='$sPRIeldbl' sPRIfldbl='$sPRIfldbl' sPRIgldbl='$sPRIgldbl' sPRIi64='$sPRIi64' sPRIo64='$sPRIo64' sPRIu64='$sPRIu64' sPRIx64='$sPRIx64' sSCNfldbl='$sSCNfldbl' sched_yield='$sched_yield' scriptdir='$scriptdir' scriptdirexp='$scriptdirexp' sed='$sed' seedfunc='$seedfunc' selectminbits='$selectminbits' selecttype='$selecttype' sendmail='$sendmail' sh='$sh' shar='$shar' sharpbang='$sharpbang' shmattype='$shmattype' shortsize='$shortsize' shrpenv='$shrpenv' shsharp='$shsharp' sig_count='$sig_count' sig_name='$sig_name' sig_name_init='$sig_name_init' sig_num='$sig_num' sig_num_init='$sig_num_init' sig_size='$sig_size' signal_t='$signal_t' sitearch='$sitearch' sitearchexp='$sitearchexp' sitebin='$sitebin' sitebinexp='$sitebinexp' sitelib='$sitelib' sitelib_stem='$sitelib_stem' sitelibexp='$sitelibexp' siteprefix='$siteprefix' siteprefixexp='$siteprefixexp' sizesize='$sizesize' sizetype='$sizetype' sleep='$sleep' smail='$smail' so='$so' sockethdr='$sockethdr' socketlib='$socketlib' socksizetype='$socksizetype' sort='$sort' spackage='$spackage' spitshell='$spitshell' src='$src' ssizetype='$ssizetype' startperl='$startperl' startsh='$startsh' static_ext='$static_ext' stdchar='$stdchar' stdio_base='$stdio_base' stdio_bufsiz='$stdio_bufsiz' stdio_cnt='$stdio_cnt' stdio_filbuf='$stdio_filbuf' stdio_ptr='$stdio_ptr' stdio_stream_array='$stdio_stream_array' strings='$strings' submit='$submit' subversion='$subversion' sysman='$sysman' tail='$tail' tar='$tar' targetarch='$targetarch' tbl='$tbl' tee='$tee' test='$test' timeincl='$timeincl' timetype='$timetype' to='$to' touch='$touch' tr='$tr' trnl='$trnl' troff='$troff' u16size='$u16size' u16type='$u16type' u32size='$u32size' u32type='$u32type' u64size='$u64size' u64type='$u64type' u8size='$u8size' u8type='$u8type' uidformat='$uidformat' uidsign='$uidsign' uidsize='$uidsize' uidtype='$uidtype' uname='$uname' uniq='$uniq' uquadtype='$uquadtype' use5005threads='$use5005threads' use64bitall='$use64bitall' use64bitint='$use64bitint' usecrosscompile='$usecrosscompile' usedl='$usedl' useithreads='$useithreads' uselargefiles='$uselargefiles' uselongdouble='$uselongdouble' usemorebits='$usemorebits' usemultiplicity='$usemultiplicity' usemymalloc='$usemymalloc' usenm='$usenm' useopcode='$useopcode' useperlio='$useperlio' useposix='$useposix' usereentrant='$usereentrant' usesfio='$usesfio' useshrplib='$useshrplib' usesocks='$usesocks' usethreads='$usethreads' usevendorprefix='$usevendorprefix' usevfork='$usevfork' usrinc='$usrinc' uuname='$uuname' uvXUformat='$uvXUformat' uvoformat='$uvoformat' uvsize='$uvsize' uvtype='$uvtype' uvuformat='$uvuformat' uvxformat='$uvxformat' vendorarch='$vendorarch' vendorarchexp='$vendorarchexp' vendorbin='$vendorbin' vendorbinexp='$vendorbinexp' vendorlib='$vendorlib' vendorlib_stem='$vendorlib_stem' vendorlibexp='$vendorlibexp' vendorprefix='$vendorprefix' vendorprefixexp='$vendorprefixexp' version='$version' version_patchlevel_string='$version_patchlevel_string' versiononly='$versiononly' vi='$vi' voidflags='$voidflags' xlibpth='$xlibpth' xs_apiversion='$xs_apiversion' yacc='$yacc' yaccflags='$yaccflags' zcat='$zcat' zip='$zip' EOT : Add in command line options if available $test -f UU/cmdline.opt && $cat UU/cmdline.opt >> config.sh : add special variables $test -f $src/patchlevel.h && \ awk '/^#define[ ]+PERL_/ {printf "%s=%s\n",$2,$3}' $src/patchlevel.h >>config.sh echo "PERL_PATCHLEVEL=$perl_patchlevel" >>config.sh echo "PERL_CONFIG_SH=true" >>config.sh : propagate old symbols if $test -f UU/config.sh; then UU/oldconfig.sh sed -n 's/^\([a-zA-Z_0-9]*\)=.*/\1/p' config.sh config.sh UU/oldconfig.sh |\ $sort | $uniq -u >UU/oldsyms set X `cat UU/oldsyms` shift case $# in 0) ;; *) cat <>config.sh for sym in `cat UU/oldsyms`; do echo " Propagating $hint variable "'$'"$sym..." eval 'tmp="$'"${sym}"'"' echo "$tmp" | \ sed -e "s/'/'\"'\"'/g" -e "s/^/$sym='/" -e "s/$/'/" >>config.sh done ;; esac fi : Finish up by extracting the .SH files case "$alldone" in exit) $rm -rf UU echo "Extraction done." exit 0 ;; cont) ;; '') dflt='' nostick=true $cat <&4 -c "$ans";; esac ;; esac : if this fails, just run all the .SH files by hand . ./config.sh echo " " exec 1>&4 pwd=`pwd` . ./UU/extract cd "$pwd" if $contains '^depend:' [Mm]akefile >/dev/null 2>&1; then dflt=y case "$silent" in true) ;; *) $cat < makedepend.out &" It can take a while, so you might not want to run it right now. EOM ;; esac rp="Run $make depend now?" . UU/myread case "$ans" in y*) $make depend && echo "Now you must run '$make'." ;; *) echo "You must run '$make depend' then '$make'." ;; esac elif test -f [Mm]akefile; then echo " " echo "Now you must run a $make." else echo "Configure done." fi if $test -f Policy.sh; then $cat <&4 $rm -f config.msg fi $rm -f kit*isdone ark*isdone $rm -rf UU : End of Configure