1# glob.m4 serial 3 2dnl Copyright (C) 2005 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7# The glob module assumes you want GNU glob, with glob_pattern_p etc, 8# rather than vanilla POSIX glob. This means your your code should 9# always include <glob.h> for the glob prototypes. 10 11AC_DEFUN([gl_GLOB_SUBSTITUTE], 12[ 13 gl_PREREQ_GLOB 14 15 GLOB_H=glob.h 16 AC_LIBSOURCES([glob.c, glob_.h, glob-libc.h]) 17 AC_LIBOBJ([glob]) 18 AC_SUBST([GLOB_H]) 19]) 20 21AC_DEFUN([gl_GLOB], 22[ GLOB_H= 23 AC_CHECK_HEADERS([glob.h], [], [GLOB_H=glob.h]) 24 25 if test -z "$GLOB_H"; then 26 AC_CACHE_CHECK([for GNU glob interface version 1], 27 [gl_cv_gnu_glob_interface_version_1], 28[ AC_COMPILE_IFELSE( 29[[#include <gnu-versions.h> 30char a[_GNU_GLOB_INTERFACE_VERSION == 1 ? 1 : -1];]], 31 [gl_cv_gnu_glob_interface_version_1=yes], 32 [gl_cv_gnu_glob_interface_version_1=no])]) 33 34 if test "$gl_cv_gnu_glob_interface_version_1" = "no"; then 35 GLOB_H=glob.h 36 fi 37 fi 38 39 if test -z "$GLOB_H"; then 40 AC_CACHE_CHECK([whether glob lists broken symlinks], 41 [gl_cv_glob_lists_symlinks], 42[ if ln -s conf-doesntexist conf$$-globtest 2>/dev/null; then 43 gl_cv_glob_lists_symlinks=maybe 44 else 45 # If we can't make a symlink, then we cannot test this issue. Be 46 # pessimistic about this. 47 gl_cv_glob_lists_symlinks=no 48 fi 49 50 if test $gl_cv_glob_lists_symlinks = maybe; then 51 AC_RUN_IFELSE( 52AC_LANG_PROGRAM( 53[[#include <stddef.h> 54#include <glob.h>]], 55[[glob_t found; 56if (glob ("conf*-globtest", 0, NULL, &found) == GLOB_NOMATCH) return 1;]]), 57 [gl_cv_glob_lists_symlinks=yes], 58 [gl_cv_glob_lists_symlinks=no], [gl_cv_glob_lists_symlinks=no]) 59 fi]) 60 61 if test $gl_cv_glob_lists_symlinks = no; then 62 GLOB_H=glob.h 63 fi 64 fi 65 66 rm -f conf$$-globtest 67 68 if test -n "$GLOB_H"; then 69 gl_GLOB_SUBSTITUTE 70 fi 71]) 72 73# Prerequisites of lib/glob.*. 74AC_DEFUN([gl_PREREQ_GLOB], 75[ AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])dnl 76 AC_REQUIRE([AC_GNU_SOURCE])dnl 77 AC_REQUIRE([AC_HEADER_DIRENT])dnl 78 AC_CHECK_HEADERS_ONCE([sys/cdefs.h unistd.h])dnl 79 AC_CHECK_FUNCS_ONCE([getlogin_r getpwnam_r])dnl 80 :]) 81