diff options
author | tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-09-28 20:37:20 +0000 |
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committer | tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-09-28 20:37:20 +0000 |
commit | 98ac134a676fa1fda9678bf59a64e28de66d0089 (patch) | |
tree | 21974c77ed8b93d58a2c8c59414f078c30a74553 /zlib/aclocal.m4 | |
parent | 812c7217350a10cc380ed4fbb9867099d09827a3 (diff) | |
download | gcc-98ac134a676fa1fda9678bf59a64e28de66d0089.tar.gz |
* aclocal.m4, configure: Rebuilt.
* acinclude.m4 (LIB_AC_PROG_CC): Provide appropriate AC_PROG_ symbol.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29699 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'zlib/aclocal.m4')
-rw-r--r-- | zlib/aclocal.m4 | 342 |
1 files changed, 271 insertions, 71 deletions
diff --git a/zlib/aclocal.m4 b/zlib/aclocal.m4 index 9dca9e4c307..15b36a88404 100644 --- a/zlib/aclocal.m4 +++ b/zlib/aclocal.m4 @@ -18,6 +18,8 @@ dnl PARTICULAR PURPOSE. AC_DEFUN(LIB_AC_PROG_CC, [AC_BEFORE([$0], [AC_PROG_CPP])dnl +dnl Fool anybody using AC_PROG_CC. +AC_PROVIDE([AC_PROG_CC]) AC_CHECK_PROG(CC, gcc, gcc) if test -z "$CC"; then AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) @@ -174,7 +176,7 @@ else fi]) -# serial 40 AC_PROG_LIBTOOL +# serial 35 AC_PROG_LIBTOOL AC_DEFUN(AC_PROG_LIBTOOL, [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl @@ -183,9 +185,8 @@ AC_CACHE_SAVE # Actually configure libtool. ac_aux_dir is where install-sh is found. CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ -LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \ -LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \ -DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \ +LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \ +DLLTOOL="$DLLTOOL" AS="$AS" \ ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \ $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \ || AC_MSG_ERROR([libtool configure failed]) @@ -216,6 +217,8 @@ AC_REQUIRE([AC_PROG_RANLIB])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_LD])dnl AC_REQUIRE([AC_PROG_NM])dnl +AC_REQUIRE([AC_SYS_NM_PARSE])dnl +AC_REQUIRE([AC_SYS_SYMBOL_UNDERSCORE])dnl AC_REQUIRE([AC_PROG_LN_S])dnl dnl @@ -224,16 +227,10 @@ libtool_flags="--cache-file=$cache_file" test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared" test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static" test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install" +test "$lt_dlopen" = yes && libtool_flags="$libtool_flags --enable-dlopen" +test "$silent" = yes && libtool_flags="$libtool_flags --silent" test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc" test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld" -ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], -[libtool_flags="$libtool_flags --enable-dlopen"]) -ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], -[libtool_flags="$libtool_flags --enable-win32-dll"]) -AC_ARG_ENABLE(libtool-lock, - [ --disable-libtool-lock avoid locking (might break parallel builds)]) -test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock" -test x"$silent" = xyes && libtool_flags="$libtool_flags --silent" # Some flags need to be propagated to the compiler or linker for good # libtool support. @@ -269,28 +266,33 @@ case "$host" in fi ;; -ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], -[*-*-cygwin* | *-*-mingw*) - AC_CHECK_TOOL(DLLTOOL, dlltool, false) - AC_CHECK_TOOL(AS, as, false) - AC_CHECK_TOOL(OBJDUMP, objdump, false) +*-*-cygwin*) + AC_SYS_LIBTOOL_CYGWIN ;; -]) + esac -]) -# AC_LIBTOOL_DLOPEN - enable checks for dlopen support -AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])]) +# enable the --disable-libtool-lock switch + +AC_ARG_ENABLE(libtool-lock, +[ --disable-libtool-lock force libtool not to do file locking], +need_locks=$enableval, +need_locks=yes) + +if test x"$need_locks" = xno; then + libtool_flags="$libtool_flags --disable-lock" +fi +]) -# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's -AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])]) +# AC_LIBTOOL_DLOPEN - check for dlopen support +AC_DEFUN(AC_LIBTOOL_DLOPEN, [lt_dlopen=yes]) # AC_ENABLE_SHARED - implement the --enable-shared flag # Usage: AC_ENABLE_SHARED[(DEFAULT)] # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to # `yes'. -AC_DEFUN(AC_ENABLE_SHARED, [dnl -define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl +AC_DEFUN(AC_ENABLE_SHARED, +[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl AC_ARG_ENABLE(shared, changequote(<<, >>)dnl << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT], @@ -315,15 +317,15 @@ enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl ]) # AC_DISABLE_SHARED - set the default shared flag to --disable-shared -AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl -AC_ENABLE_SHARED(no)]) +AC_DEFUN(AC_DISABLE_SHARED, +[AC_ENABLE_SHARED(no)]) # AC_ENABLE_STATIC - implement the --enable-static flag # Usage: AC_ENABLE_STATIC[(DEFAULT)] # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to # `yes'. -AC_DEFUN(AC_ENABLE_STATIC, [dnl -define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl +AC_DEFUN(AC_ENABLE_STATIC, +[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl AC_ARG_ENABLE(static, changequote(<<, >>)dnl << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT], @@ -348,16 +350,16 @@ enable_static=AC_ENABLE_STATIC_DEFAULT)dnl ]) # AC_DISABLE_STATIC - set the default static flag to --disable-static -AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl -AC_ENABLE_STATIC(no)]) +AC_DEFUN(AC_DISABLE_STATIC, +[AC_ENABLE_STATIC(no)]) # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)] # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to # `yes'. -AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl -define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl +AC_DEFUN(AC_ENABLE_FAST_INSTALL, +[define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl AC_ARG_ENABLE(fast-install, changequote(<<, >>)dnl << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT], @@ -382,8 +384,9 @@ enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl ]) # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install -AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl -AC_ENABLE_FAST_INSTALL(no)]) +AC_DEFUN(AC_DISABLE_FAST_INSTALL, +[AC_ENABLE_FAST_INSTALL(no)]) + # AC_PROG_LD - find the path to the GNU or non-GNU linker AC_DEFUN(AC_PROG_LD, @@ -401,7 +404,7 @@ if test "$ac_cv_prog_gcc" = yes; then case "$ac_prog" in # Accept absolute paths. changequote(,)dnl - [\\/]* | [A-Za-z]:[\\/]*) + /* | [A-Za-z]:[\\/]*) re_direlt='/[^/][^/]*/\.\./' changequote([,])dnl # Canonicalize the path of ld @@ -427,10 +430,10 @@ else fi AC_CACHE_VAL(ac_cv_path_LD, [if test -z "$LD"; then - IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" for ac_dir in $PATH; do test -z "$ac_dir" && ac_dir=. - if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + if test -f "$ac_dir/$ac_prog"; then ac_cv_path_LD="$ac_dir/$ac_prog" # Check to see if the program is GNU ld. I'd rather use --version, # but apparently some GNU ld's only accept -v. @@ -475,10 +478,10 @@ AC_CACHE_VAL(ac_cv_path_NM, # Let the user override the test. ac_cv_path_NM="$NM" else - IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do test -z "$ac_dir" && ac_dir=. - if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then + if test -f $ac_dir/nm; then # Check to see if the nm accepts a BSD-compat flag. # Adding the `sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored @@ -502,22 +505,227 @@ AC_MSG_RESULT([$NM]) AC_SUBST(NM) ]) -# AC_CHECK_LIBM - check for math library -AC_DEFUN(AC_CHECK_LIBM, +# AC_SYS_NM_PARSE - Check for command to grab the raw symbol name followed +# by C symbol name from nm. +AC_DEFUN(AC_SYS_NM_PARSE, [AC_REQUIRE([AC_CANONICAL_HOST])dnl -LIBM= -case "$host" in -*-*-beos* | *-*-cygwin*) - # These system don't have libm +AC_REQUIRE([AC_PROG_NM])dnl +# Check for command to grab the raw symbol name followed by C symbol from nm. +AC_MSG_CHECKING([command to parse $NM output]) +AC_CACHE_VAL(ac_cv_sys_global_symbol_pipe, +[# These are sane defaults that work on at least a few old systems. +# {They come from Ultrix. What could be older than Ultrix?!! ;)} + +changequote(,)dnl +# Character class describing NM global symbol codes. +ac_symcode='[BCDEGRST]' + +# Regexp to match symbols that can be accessed directly from C. +ac_sympat='\([_A-Za-z][_A-Za-z0-9]*\)' + +# Transform the above into a raw symbol and a C symbol. +ac_symxfrm='\1 \2\3 \3' + +# Transform an extracted symbol line into a proper C declaration +ac_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'" + +# Define system-specific variables. +case "$host_os" in +aix*) + ac_symcode='[BCDT]' ;; -*-ncr-sysv4.3*) - AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") - AC_CHECK_LIB(m, main, LIBM="$LIBM -lm") +cygwin* | mingw*) + ac_symcode='[ABCDGISTW]' ;; -*) - AC_CHECK_LIB(m, main, LIBM="-lm") +hpux*) + ac_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'" + ;; +irix*) + ac_symcode='[BCDEGRST]' + ;; +solaris*) + ac_symcode='[BDT]' ;; esac + +# If we're using GNU nm, then use its standard symbol codes. +if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then + ac_symcode='[ABCDGISTW]' +fi +changequote([,])dnl + +# Try without a prefix undercore, then with it. +for ac_symprfx in "" "_"; do + + ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($ac_symcode\)[ ][ ]*\($ac_symprfx\)$ac_sympat$/$ac_symxfrm/p'" + + # Check to see that the pipe works correctly. + ac_pipe_works=no + rm -f conftest.$ac_ext + cat > conftest.$ac_ext <<EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func;return 0;} +EOF + + if AC_TRY_EVAL(ac_compile); then + # Now try to grab the symbols. + ac_nlist=conftest.nm + + if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then + + # Try sorting and uniquifying the output. + if sort "$ac_nlist" | uniq > "$ac_nlist"T; then + mv -f "$ac_nlist"T "$ac_nlist" + else + rm -f "$ac_nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if egrep ' nm_test_var$' "$ac_nlist" >/dev/null; then + if egrep ' nm_test_func$' "$ac_nlist" >/dev/null; then + cat <<EOF > conftest.c +#ifdef __cplusplus +extern "C" { +#endif + +EOF + # Now generate the symbol file. + eval "$ac_global_symbol_to_cdecl"' < "$ac_nlist" >> conftest.c' + + cat <<EOF >> conftest.c +#if defined (__STDC__) && __STDC__ +# define lt_ptr_t void * +#else +# define lt_ptr_t char * +# define const +#endif + +/* The mapping between symbol names and symbols. */ +const struct { + const char *name; + lt_ptr_t address; +} +changequote(,)dnl +lt_preloaded_symbols[] = +changequote([,])dnl +{ +EOF + sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$ac_nlist" >> conftest.c + cat <<\EOF >> conftest.c + {0, (lt_ptr_t) 0} +}; + +#ifdef __cplusplus +} +#endif +EOF + # Now try linking the two files. + mv conftest.$ac_objext conftestm.$ac_objext + ac_save_LIBS="$LIBS" + ac_save_CFLAGS="$CFLAGS" + LIBS="conftestm.$ac_objext" + CFLAGS="$CFLAGS$no_builtin_flag" + if AC_TRY_EVAL(ac_link) && test -s conftest; then + ac_pipe_works=yes + else + echo "configure: failed program was:" >&AC_FD_CC + cat conftest.c >&AC_FD_CC + fi + LIBS="$ac_save_LIBS" + CFLAGS="$ac_save_CFLAGS" + else + echo "cannot find nm_test_func in $ac_nlist" >&AC_FD_CC + fi + else + echo "cannot find nm_test_var in $ac_nlist" >&AC_FD_CC + fi + else + echo "cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC + fi + else + echo "$progname: failed program was:" >&AC_FD_CC + cat conftest.c >&AC_FD_CC + fi + rm -rf conftest* + + # Do not use the global_symbol_pipe unless it works. + if test "$ac_pipe_works" = yes; then + if test x"$ac_symprfx" = x"_"; then + ac_cv_sys_symbol_underscore=yes + else + ac_cv_sys_symbol_underscore=no + fi + break + else + ac_cv_sys_global_symbol_pipe= + fi +done +]) + +ac_result=yes +if test -z "$ac_cv_sys_global_symbol_pipe"; then + ac_result=no +fi +AC_MSG_RESULT($ac_result) +]) + +# AC_SYS_LIBTOOL_CYGWIN - find tools needed on cygwin +AC_DEFUN(AC_SYS_LIBTOOL_CYGWIN, +[AC_CHECK_TOOL(DLLTOOL, dlltool, false) +AC_CHECK_TOOL(AS, as, false) +]) + +# AC_SYS_SYMBOL_UNDERSCORE - does the compiler prefix global symbols +# with an underscore? +AC_DEFUN(AC_SYS_SYMBOL_UNDERSCORE, +[AC_REQUIRE([AC_PROG_NM])dnl +AC_REQUIRE([AC_SYS_NM_PARSE])dnl +AC_MSG_CHECKING([for _ prefix in compiled symbols]) +AC_CACHE_VAL(ac_cv_sys_symbol_underscore, +[ac_cv_sys_symbol_underscore=no +cat > conftest.$ac_ext <<EOF +void nm_test_func(){} +int main(){nm_test_func;return 0;} +EOF +if AC_TRY_EVAL(ac_compile); then + # Now try to grab the symbols. + ac_nlist=conftest.nm + if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then + # See whether the symbols have a leading underscore. + if egrep '^. _nm_test_func' "$ac_nlist" >/dev/null; then + ac_cv_sys_symbol_underscore=yes + else + if egrep '^. nm_test_func ' "$ac_nlist" >/dev/null; then + : + else + echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC + fi + fi + else + echo "configure: cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC + fi +else + echo "configure: failed program was:" >&AC_FD_CC + cat conftest.c >&AC_FD_CC +fi +rm -rf conftest* +]) +AC_MSG_RESULT($ac_cv_sys_symbol_underscore) +USE_SYMBOL_UNDERSCORE=${ac_cv_sys_symbol_underscore=no} +AC_SUBST(USE_SYMBOL_UNDERSCORE)dnl +]) + +# AC_CHECK_LIBM - check for math library +AC_DEFUN(AC_CHECK_LIBM, [ +AC_CHECK_LIB(mw, _mwvalidcheckl) +AC_CHECK_LIB(m, cos) ]) # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for @@ -528,14 +736,13 @@ esac # '${top_builddir}/' (note the single quotes!) if your package is not # flat, and, if you're not using automake, define top_builddir as # appropriate in the Makefiles. -AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl +AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [ case "$enable_ltdl_convenience" in no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;; "") enable_ltdl_convenience=yes ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;; esac LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la - INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl']) ]) # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for @@ -547,23 +754,16 @@ AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl # flat, and, if you're not using automake, define top_builddir as # appropriate in the Makefiles. # In the future, this macro may have to be called after AC_PROG_LIBTOOL. -AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl - AC_CHECK_LIB(ltdl, main, - [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no], - [if test x"$enable_ltdl_install" = xno; then - AC_MSG_WARN([libltdl not installed, but installation disabled]) - else - enable_ltdl_install=yes - fi +AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [ + AC_CHECK_LIB(ltdl, main, LIBLTDL="-lltdl", [ + case "$enable_ltdl_install" in + no) AC_MSG_WARN([libltdl not installed, but installation disabled]) ;; + "") enable_ltdl_install=yes + ac_configure_args="$ac_configure_args --enable-ltdl-install" ;; + esac ]) - if test x"$enable_ltdl_install" = x"yes"; then - ac_configure_args="$ac_configure_args --enable-ltdl-install" + if test x"$enable_ltdl_install" != x"no"; then LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la - INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl']) - else - ac_configure_args="$ac_configure_args --enable-ltdl-install=no" - LIBLTDL="-lltdl" - INCLTDL= fi ]) @@ -575,7 +775,7 @@ AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl - -dnl This is just to silence aclocal about the macro not being used -ifelse([AC_DISABLE_FAST_INSTALL])dnl +AC_DEFUN(AM_SYS_NM_PARSE, [indir([AC_SYS_NM_PARSE])])dnl +AC_DEFUN(AM_SYS_SYMBOL_UNDERSCORE, [indir([AC_SYS_SYMBOL_UNDERSCORE])])dnl +AC_DEFUN(AM_SYS_LIBTOOL_CYGWIN, [indir([AC_SYS_LIBTOOL_CYGWIN])])dnl |