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Diffstat (limited to 'config/libopts.m4')
| -rw-r--r-- | config/libopts.m4 | 442 |
1 files changed, 442 insertions, 0 deletions
diff --git a/config/libopts.m4 b/config/libopts.m4 new file mode 100644 index 0000000..e954aea --- /dev/null +++ b/config/libopts.m4 @@ -0,0 +1,442 @@ +dnl -*- buffer-read-only: t -*- vi: set ro: +dnl +dnl DO NOT EDIT THIS FILE (libopts.m4) +dnl +dnl It has been AutoGen-ed August 11, 2012 at 09:41:10 AM by AutoGen 5.16.2pre7 +dnl From the definitions libopts.def +dnl and the template file conftest.tpl +dnl +dnl do always before generated macros: +dnl +AC_DEFUN([INVOKE_LIBOPTS_MACROS_FIRST],[ + AC_REQUIRE([AC_HEADER_STDC]) + AC_HEADER_DIRENT + + # ================= + # AC_CHECK_HEADERS + # ================= + AC_CHECK_HEADERS([ \ + sys/mman.h sys/param.h sys/poll.h sys/procset.h \ + sys/select.h sys/socket.h sys/stropts.h sys/time.h \ + sys/un.h sys/wait.h dlfcn.h errno.h \ + fcntl.h libgen.h memory.h netinet/in.h \ + setjmp.h stdbool.h sysexits.h unistd.h \ + utime.h]) + + AC_CHECK_HEADERS([stdarg.h varargs.h], + [lo_have_arg_hdr=true;break], + [lo_have_arg_hdr=false]) + + AC_CHECK_HEADERS([string.h strings.h], + [lo_have_str_hdr=true;break], + [lo_have_str_hdr=false]) + + AC_CHECK_HEADERS([limits.h sys/limits.h values.h], + [lo_have_lim_hdr=true;break], + [lo_have_lim_hdr=false]) + + AC_CHECK_HEADERS([inttypes.h stdint.h], + [lo_have_typ_hdr=true;break], + [lo_have_typ_hdr=false]) + + # ---------------------------------------------------------------------- + # check for various programs used during the build. + # On OS/X, "wchar.h" needs "runetype.h" to work properly. + # ---------------------------------------------------------------------- + AC_CHECK_HEADERS([runetype.h wchar.h], [], [],[ + AC_INCLUDES_DEFAULT + #if HAVE_RUNETYPE_H + # include <runetype.h> + #endif + ]) + + # -------------------------------------------- + # Verify certain entries from AC_CHECK_HEADERS + # -------------------------------------------- + [for f in sys_types sys_mman sys_param sys_stat sys_wait \ + string errno stdlib memory setjmp + do eval as_ac_var=\${ac_cv_header_${f}_h+set} + test "${as_ac_var}" = set || { + ]AC_MSG_ERROR([you must have ${f}.h on your system])[ + } + done + + ${lo_have_arg_hdr} || \ + ]AC_MSG_ERROR([you must have stdarg.h or varargs.h on your system])[ + + ${lo_have_str_hdr} || \ + ]AC_MSG_ERROR([you must have string.h or strings.h on your system])[ + + ${lo_have_lim_hdr} || \ + ]AC_MSG_ERROR( + [you must have one of limits.h, sys/limits.h or values.h])[ + + ${lo_have_typ_hdr} || \ + ]AC_MSG_ERROR([you must have inttypes.h or stdint.h on your system]) + + # ---------------------------------------------------------------------- + # Checks for typedefs + # ---------------------------------------------------------------------- + AC_CHECK_TYPES(wchar_t) + AC_CHECK_TYPES(wint_t, [], [], [ + AC_INCLUDES_DEFAULT + #if HAVE_RUNETYPE_H + # include <runetype.h> + #endif + #if HAVE_WCHAR_H + # include <wchar.h> + #endif + ]) + AC_CHECK_TYPES([int8_t, uint8_t, int16_t, uint16_t, int32_t, uint32_t, + intptr_t, uintptr_t, uint_t, pid_t, size_t]) + AC_CHECK_SIZEOF(char*, 8) + AC_CHECK_SIZEOF(int, 4) + AC_CHECK_SIZEOF(long, 8) + AC_CHECK_SIZEOF(short, 2) + + # ---------------------------------------------------------------------- + # AC_CHECK_LIB for SVR4 libgen, and use it if it defines pathfind. + # ---------------------------------------------------------------------- + AC_CHECK_LIB(gen, pathfind) + AC_FUNC_VPRINTF + AC_FUNC_FORK + AC_CHECK_FUNCS([mmap canonicalize_file_name snprintf strdup strchr \ + strrchr strsignal fchmod fstat chmod]) + AC_PROG_SED + [while : + do + POSIX_SHELL=`which bash` + test -x "$POSIX_SHELL" && break + POSIX_SHELL=`which dash` + test -x "$POSIX_SHELL" && break + POSIX_SHELL=/usr/xpg4/bin/sh + test -x "$POSIX_SHELL" && break + POSIX_SHELL=`/bin/sh -c ' + exec 2>/dev/null + if ! true ; then exit 1 ; fi + echo /bin/sh'` + test -x "$POSIX_SHELL" && break + ]AC_MSG_ERROR([cannot locate a working POSIX shell])[ + done] + AC_DEFINE_UNQUOTED([POSIX_SHELL], ["${POSIX_SHELL}"], + [define to a working POSIX compliant shell]) + AC_SUBST([POSIX_SHELL]) +]) + +dnl +dnl @synopsis INVOKE_LIBOPTS_MACROS +dnl +dnl This macro will invoke the AutoConf macros specified in libopts.def +dnl that have not been disabled with "omit-invocation". +dnl +AC_DEFUN([LIBOPTS_WITH_REGEX_HEADER],[ + AC_ARG_WITH([regex-header], + AS_HELP_STRING([--with-regex-header], [a reg expr header is specified]), + [libopts_cv_with_regex_header=${with_regex_header}], + AC_CACHE_CHECK([whether a reg expr header is specified], libopts_cv_with_regex_header, + libopts_cv_with_regex_header=no) + ) # end of AC_ARG_WITH + if test "X${libopts_cv_with_regex_header}" != Xno + then + AC_DEFINE_UNQUOTED([REGEX_HEADER],[<${libopts_cv_with_regex_header}>]) + else + AC_DEFINE([REGEX_HEADER],[<regex.h>],[name of regex header file]) + fi + +]) # end of AC_DEFUN of LIBOPTS_WITH_REGEX_HEADER + + +AC_DEFUN([LIBOPTS_WITHLIB_REGEX],[ + AC_ARG_WITH([libregex], + AS_HELP_STRING([--with-libregex], [libregex installation prefix]), + [libopts_cv_with_libregex_root=${with_libregex}], + AC_CACHE_CHECK([whether with-libregex was specified], libopts_cv_with_libregex_root, + libopts_cv_with_libregex_root=no) + ) # end of AC_ARG_WITH libregex + + if test "${with_libregex+set}" = set && \ + test "X${withval}" = Xno + then ## disabled by request + libopts_cv_with_libregex_root=no + libopts_cv_with_libregex_cflags=no + libopts_cv_with_libregex_libs=no + else + + AC_ARG_WITH([libregex-cflags], + AS_HELP_STRING([--with-libregex-cflags], [libregex compile flags]), + [libopts_cv_with_libregex_cflags=${with_libregex_cflags}], + AC_CACHE_CHECK([whether with-libregex-cflags was specified], libopts_cv_with_libregex_cflags, + libopts_cv_with_libregex_cflags=no) + ) # end of AC_ARG_WITH libregex-cflags + + AC_ARG_WITH([libregex-libs], + AS_HELP_STRING([--with-libregex-libs], [libregex link command arguments]), + [libopts_cv_with_libregex_libs=${with_libregex_libs}], + AC_CACHE_CHECK([whether with-libregex-libs was specified], libopts_cv_with_libregex_libs, + libopts_cv_with_libregex_libs=no) + ) # end of AC_ARG_WITH libregex-libs + + case "X${libopts_cv_with_libregex_cflags}" in + Xyes|Xno|X ) + case "X${libopts_cv_with_libregex_root}" in + Xyes|Xno|X ) libopts_cv_with_libregex_cflags=no ;; + * ) libopts_cv_with_libregex_cflags=-I${libopts_cv_with_libregex_root}/include ;; + esac + esac + case "X${libopts_cv_with_libregex_libs}" in + Xyes|Xno|X ) + case "X${libopts_cv_with_libregex_root}" in + Xyes|Xno|X ) libopts_cv_with_libregex_libs=no ;; + * ) libopts_cv_with_libregex_libs="-L${libopts_cv_with_libregex_root}/lib -lregex";; + esac + esac + libopts_save_CPPFLAGS="${CPPFLAGS}" + libopts_save_LIBS="${LIBS}" + fi ## disabled by request + + case "X${libopts_cv_with_libregex_cflags}" in + Xyes|Xno|X ) + libopts_cv_with_libregex_cflags="" ;; + * ) CPPFLAGS="${CPPFLAGS} ${libopts_cv_with_libregex_cflags}" ;; + esac + case "X${libopts_cv_with_libregex_libs}" in + Xyes|Xno|X ) + libopts_cv_with_libregex_libs="" ;; + * ) + LIBS="${LIBS} ${libopts_cv_with_libregex_libs}" ;; + esac + LIBREGEX_CFLAGS="" + LIBREGEX_LIBS="" + AC_MSG_CHECKING([whether libregex functions properly]) + AC_CACHE_VAL([libopts_cv_with_libregex],[ + AC_RUN_IFELSE([@%:@include <stdio.h> +@%:@include <stdlib.h> +@%:@include <sys/types.h> +@%:@include REGEX_HEADER +static regex_t re; +void comp_re( char const* pzPat ) { + int res = regcomp( &re, pzPat, REG_EXTENDED|REG_ICASE|REG_NEWLINE ); + if (res == 0) return; + exit( res ); } +int main() { + regmatch_t m@<:@2@:>@; + comp_re( "^.*\@S|@" ); + comp_re( "()|no.*" ); + comp_re( "." ); + if (regexec( &re, "X", 2, m, 0 ) != 0) return 1; + if ((m@<:@0@:>@.rm_so != 0) || (m@<:@0@:>@.rm_eo != 1)) { + fputs( "error: regex -->.<-- did not match\n", stderr ); + return 1; + } + return 0; }], + [libopts_cv_with_libregex=yes], [libopts_cv_with_libregex=no], + [libopts_cv_with_libregex=no]) # end of AC_RUN_IFELSE + ]) # end of AC_CACHE_VAL for libopts_cv_with_libregex + AC_MSG_RESULT([${libopts_cv_with_libregex}]) + if test "X${libopts_cv_with_libregex}" != Xno + then + AC_DEFINE([WITH_LIBREGEX],[1], + [Define this if a working libregex can be found]) + else + CPPFLAGS="${libopts_save_CPPFLAGS}" + LIBS="${libopts_save_LIBS}" + fi + +]) # end of AC_DEFUN of LIBOPTS_WITHLIB_REGEX + + +AC_DEFUN([LIBOPTS_RUN_PATHFIND],[ + AC_MSG_CHECKING([whether pathfind(3) works]) + AC_CACHE_VAL([libopts_cv_run_pathfind],[ + AC_RUN_IFELSE([@%:@include <string.h> +@%:@include <stdlib.h> +int main (int argc, char** argv) { + char* pz = pathfind( getenv( "PATH" ), "sh", "x" ); + return (pz == 0) ? 1 : 0; +}], + [libopts_cv_run_pathfind=yes],[libopts_cv_run_pathfind=no],[libopts_cv_run_pathfind=no] + ) # end of RUN_IFELSE + ]) # end of AC_CACHE_VAL for libopts_cv_run_pathfind + AC_MSG_RESULT([${libopts_cv_run_pathfind}]) + if test "X${libopts_cv_run_pathfind}" != Xno + then + AC_DEFINE([HAVE_PATHFIND],[1], + [Define this if pathfind(3) works]) + fi + +]) # end of AC_DEFUN of LIBOPTS_RUN_PATHFIND + + +AC_DEFUN([LIBOPTS_TEST_DEV_ZERO],[ + AC_MSG_CHECKING([whether /dev/zero is readable device]) + AC_CACHE_VAL([libopts_cv_test_dev_zero],[ + libopts_cv_test_dev_zero=`exec 2> /dev/null +dzero=\`ls -lL /dev/zero | egrep ^c......r\` +test -z "${dzero}" && exit 1 +echo ${dzero}` + if test $? -ne 0 || test -z "$libopts_cv_test_dev_zero" + then libopts_cv_test_dev_zero=no + fi + ]) # end of CACHE_VAL of libopts_cv_test_dev_zero + AC_MSG_RESULT([${libopts_cv_test_dev_zero}]) + if test "X${libopts_cv_test_dev_zero}" != Xno + then + AC_DEFINE([HAVE_DEV_ZERO],[1], + [Define this if /dev/zero is readable device]) + fi + +]) # end of AC_DEFUN of LIBOPTS_TEST_DEV_ZERO + + +AC_DEFUN([LIBOPTS_RUN_REALPATH],[ + AC_MSG_CHECKING([whether we have a functional realpath(3C)]) + AC_CACHE_VAL([libopts_cv_run_realpath],[ + AC_RUN_IFELSE([@%:@include <limits.h> +@%:@include <stdlib.h> +int main (int argc, char** argv) { +@%:@ifndef PATH_MAX +choke me!! +@%:@else + char zPath@<:@PATH_MAX+1@:>@; +@%:@endif + char *pz = realpath(argv@<:@0@:>@, zPath); + return (pz == zPath) ? 0 : 1; +}], + [libopts_cv_run_realpath=yes],[libopts_cv_run_realpath=no],[libopts_cv_run_realpath=no] + ) # end of RUN_IFELSE + ]) # end of AC_CACHE_VAL for libopts_cv_run_realpath + AC_MSG_RESULT([${libopts_cv_run_realpath}]) + if test "X${libopts_cv_run_realpath}" != Xno + then + AC_DEFINE([HAVE_REALPATH],[1], + [Define this if we have a functional realpath(3C)]) + fi + +]) # end of AC_DEFUN of LIBOPTS_RUN_REALPATH + + +AC_DEFUN([LIBOPTS_RUN_STRFTIME],[ + AC_MSG_CHECKING([whether strftime() works]) + AC_CACHE_VAL([libopts_cv_run_strftime],[ + AC_RUN_IFELSE([@%:@include <time.h> +@%:@include <string.h> +char t_buf@<:@ 64 @:>@; +int main() { + static char const z@<:@@:>@ = "Thursday Aug 28 240"; + struct tm tm; + tm.tm_sec = 36; /* seconds after the minute @<:@0, 61@:>@ */ + tm.tm_min = 44; /* minutes after the hour @<:@0, 59@:>@ */ + tm.tm_hour = 12; /* hour since midnight @<:@0, 23@:>@ */ + tm.tm_mday = 28; /* day of the month @<:@1, 31@:>@ */ + tm.tm_mon = 7; /* months since January @<:@0, 11@:>@ */ + tm.tm_year = 86; /* years since 1900 */ + tm.tm_wday = 4; /* days since Sunday @<:@0, 6@:>@ */ + tm.tm_yday = 239; /* days since January 1 @<:@0, 365@:>@ */ + tm.tm_isdst = 1; /* flag for daylight savings time */ + strftime( t_buf, sizeof( t_buf ), "%A %b %d %j", &tm ); + return (strcmp( t_buf, z ) != 0); }], + [libopts_cv_run_strftime=yes],[libopts_cv_run_strftime=no],[libopts_cv_run_strftime=no] + ) # end of RUN_IFELSE + ]) # end of AC_CACHE_VAL for libopts_cv_run_strftime + AC_MSG_RESULT([${libopts_cv_run_strftime}]) + if test "X${libopts_cv_run_strftime}" != Xno + then + AC_DEFINE([HAVE_STRFTIME],[1], + [Define this if strftime() works]) + fi + +]) # end of AC_DEFUN of LIBOPTS_RUN_STRFTIME + + +AC_DEFUN([LIBOPTS_RUN_FOPEN_BINARY],[ + AC_MSG_CHECKING([whether fopen accepts "b" mode]) + AC_CACHE_VAL([libopts_cv_run_fopen_binary],[ + AC_RUN_IFELSE([@%:@include <stdio.h> +int main (int argc, char** argv) { +FILE* fp = fopen("conftest.@S|@ac_ext", "rb"); +return (fp == NULL) ? 1 : fclose(fp); }], + [libopts_cv_run_fopen_binary=yes],[libopts_cv_run_fopen_binary=no],[libopts_cv_run_fopen_binary=no] + ) # end of RUN_IFELSE + ]) # end of AC_CACHE_VAL for libopts_cv_run_fopen_binary + AC_MSG_RESULT([${libopts_cv_run_fopen_binary}]) + if test "X${libopts_cv_run_fopen_binary}" != Xno + then + AC_DEFINE([FOPEN_BINARY_FLAG],"b", + [fopen(3) accepts a 'b' in the mode flag]) + else + AC_DEFINE([FOPEN_BINARY_FLAG],"", + [fopen(3) accepts a 'b' in the mode flag]) + fi + +]) # end of AC_DEFUN of LIBOPTS_RUN_FOPEN_BINARY + + +AC_DEFUN([LIBOPTS_RUN_FOPEN_TEXT],[ + AC_MSG_CHECKING([whether fopen accepts "t" mode]) + AC_CACHE_VAL([libopts_cv_run_fopen_text],[ + AC_RUN_IFELSE([@%:@include <stdio.h> +int main (int argc, char** argv) { +FILE* fp = fopen("conftest.@S|@ac_ext", "rt"); +return (fp == NULL) ? 1 : fclose(fp); }], + [libopts_cv_run_fopen_text=yes],[libopts_cv_run_fopen_text=no],[libopts_cv_run_fopen_text=no] + ) # end of RUN_IFELSE + ]) # end of AC_CACHE_VAL for libopts_cv_run_fopen_text + AC_MSG_RESULT([${libopts_cv_run_fopen_text}]) + if test "X${libopts_cv_run_fopen_text}" != Xno + then + AC_DEFINE([FOPEN_TEXT_FLAG],"t", + [fopen(3) accepts a 't' in the mode flag]) + else + AC_DEFINE([FOPEN_TEXT_FLAG],"", + [fopen(3) accepts a 't' in the mode flag]) + fi + +]) # end of AC_DEFUN of LIBOPTS_RUN_FOPEN_TEXT + + +AC_DEFUN([LIBOPTS_DISABLE_OPTIONAL_ARGS],[ + AC_ARG_ENABLE([optional-args], + AS_HELP_STRING([--disable-optional-args], [not wanting optional option args]), + [libopts_cv_enable_optional_args=${enable_optional_args}], + AC_CACHE_CHECK([whether not wanting optional option args], libopts_cv_enable_optional_args, + libopts_cv_enable_optional_args=yes) + ) # end of AC_ARG_ENABLE + if test "X${libopts_cv_enable_optional_args}" = Xno + then + AC_DEFINE([NO_OPTIONAL_OPT_ARGS], [1], + [Define this if optional arguments are disallowed]) + fi + +]) # end of AC_DEFUN of LIBOPTS_DISABLE_OPTIONAL_ARGS + + +AC_DEFUN([INVOKE_LIBOPTS_MACROS],[ + AC_REQUIRE([INVOKE_LIBOPTS_MACROS_FIRST]) + # Check to see if a reg expr header is specified. + LIBOPTS_WITH_REGEX_HEADER + + # Check to see if a working libregex can be found. + LIBOPTS_WITHLIB_REGEX + + # Check to see if pathfind(3) works. + LIBOPTS_RUN_PATHFIND + + # Check to see if /dev/zero is readable device. + LIBOPTS_TEST_DEV_ZERO + + # Check to see if we have a functional realpath(3C). + LIBOPTS_RUN_REALPATH + + # Check to see if strftime() works. + LIBOPTS_RUN_STRFTIME + + # Check to see if fopen accepts "b" mode. + LIBOPTS_RUN_FOPEN_BINARY + + # Check to see if fopen accepts "t" mode. + LIBOPTS_RUN_FOPEN_TEXT + + # Check to see if not wanting optional option args. + LIBOPTS_DISABLE_OPTIONAL_ARGS + +]) # end AC_DEFUN of INVOKE_LIBOPTS_MACROS |