91 lines
2.8 KiB
Text
91 lines
2.8 KiB
Text
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# glob.m4 serial 24
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dnl Copyright (C) 2005-2007, 2009-2021 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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# The glob module assumes you want GNU glob, with glob_pattern_p etc,
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# rather than vanilla POSIX glob. This means your code should
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# always include <glob.h> for the glob prototypes.
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AC_DEFUN([gl_GLOB],
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[
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AC_REQUIRE([gl_GLOB_H])
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AC_CHECK_FUNCS_ONCE([glob glob_pattern_p])
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if test $ac_cv_func_glob = no; then
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HAVE_GLOB=0
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else
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AC_CACHE_CHECK([for GNU glob interface version 1 or 2],
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[gl_cv_gnu_glob_interface_version_1_2],
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[ AC_COMPILE_IFELSE([AC_LANG_SOURCE(
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[[#include <gnu-versions.h>
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char a[_GNU_GLOB_INTERFACE_VERSION == 1 || _GNU_GLOB_INTERFACE_VERSION == 2 ? 1 : -1];]])],
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[gl_cv_gnu_glob_interface_version_1_2=yes],
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[gl_cv_gnu_glob_interface_version_1_2=no])])
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if test "$gl_cv_gnu_glob_interface_version_1_2" = "no"; then
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REPLACE_GLOB=1
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fi
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if test $REPLACE_GLOB = 0; then
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AC_CACHE_CHECK([whether glob lists broken symlinks],
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[gl_cv_glob_lists_symlinks],
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[if test $cross_compiling != yes; then
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if ln -s conf-doesntexist conf$$-globtest 2>/dev/null; then
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gl_cv_glob_lists_symlinks=maybe
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else
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# If we can't make a symlink, then we cannot test this issue. Be
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# pessimistic about this.
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gl_cv_glob_lists_symlinks=no
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fi
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if test $gl_cv_glob_lists_symlinks = maybe; then
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AC_RUN_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <stddef.h>
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#include <glob.h>]],
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[[glob_t found;
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if (glob ("conf*-globtest", 0, NULL, &found) == GLOB_NOMATCH)
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return 1;
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globfree (&found);
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]])],
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[gl_cv_glob_lists_symlinks=yes],
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[gl_cv_glob_lists_symlinks=no],
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[dnl We don't get here.
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:
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])
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fi
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rm -f conf$$-globtest
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else
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gl_cv_glob_lists_symlinks="$gl_cross_guess_normal"
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fi
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])
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case "$gl_cv_glob_lists_symlinks" in
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*yes) ;;
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*) REPLACE_GLOB=1 ;;
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esac
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fi
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fi
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if test $ac_cv_func_glob_pattern_p = no; then
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HAVE_GLOB_PATTERN_P=0
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else
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if test $REPLACE_GLOB = 1; then
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REPLACE_GLOB_PATTERN_P=1
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fi
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fi
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if test $HAVE_GLOB = 0 || test $REPLACE_GLOB = 1; then
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gl_REPLACE_GLOB_H
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fi
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])
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# Prerequisites of lib/glob.c and lib/globfree.c.
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AC_DEFUN([gl_PREREQ_GLOB],
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[
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AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])
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AC_CHECK_HEADERS_ONCE([unistd.h])
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AC_CHECK_FUNCS_ONCE([getlogin_r getpwnam_r])
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])
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