2 dnl Copyright (C) 2005-2007, 2009-2011 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 # The glob module assumes you want GNU glob, with glob_pattern_p etc,
8 # rather than vanilla POSIX glob. This means your code should
9 # always include <glob.h> for the glob prototypes.
13 AC_CHECK_HEADERS([glob.h], [], [GLOB_H=glob.h])
15 if test -z "$GLOB_H"; then
16 AC_CACHE_CHECK([for GNU glob interface version 1],
17 [gl_cv_gnu_glob_interface_version_1],
18 [ AC_COMPILE_IFELSE([AC_LANG_SOURCE(
19 [[#include <gnu-versions.h>
20 char a[_GNU_GLOB_INTERFACE_VERSION == 1 ? 1 : -1];]])],
21 [gl_cv_gnu_glob_interface_version_1=yes],
22 [gl_cv_gnu_glob_interface_version_1=no])])
24 if test "$gl_cv_gnu_glob_interface_version_1" = "no"; then
29 if test -z "$GLOB_H"; then
30 AC_CACHE_CHECK([whether glob lists broken symlinks],
31 [gl_cv_glob_lists_symlinks],
32 [ if ln -s conf-doesntexist conf$$-globtest 2>/dev/null; then
33 gl_cv_glob_lists_symlinks=maybe
35 # If we can't make a symlink, then we cannot test this issue. Be
36 # pessimistic about this.
37 gl_cv_glob_lists_symlinks=no
40 if test $gl_cv_glob_lists_symlinks = maybe; then
46 if (glob ("conf*-globtest", 0, NULL, &found) == GLOB_NOMATCH) return 1;]])],
47 [gl_cv_glob_lists_symlinks=yes],
48 [gl_cv_glob_lists_symlinks=no], [gl_cv_glob_lists_symlinks=no])
51 if test $gl_cv_glob_lists_symlinks = no; then
58 if test -n "$GLOB_H"; then
63 AM_CONDITIONAL([GL_GENERATE_GLOB_H], [test -n "$GLOB_H"])
66 # Prerequisites of lib/glob.*.
67 AC_DEFUN([gl_PREREQ_GLOB],
69 AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])dnl
70 AC_REQUIRE([AC_C_RESTRICT])dnl
71 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])dnl
72 AC_CHECK_HEADERS_ONCE([sys/cdefs.h unistd.h])dnl
73 if test $ac_cv_header_sys_cdefs_h = yes; then
78 AC_SUBST([HAVE_SYS_CDEFS_H])
79 AC_CHECK_FUNCS_ONCE([fstatat getlogin_r getpwnam_r])dnl