-# glob.m4 serial 14
-dnl Copyright (C) 2005-2007, 2009-2016 Free Software Foundation, Inc.
+# glob.m4 serial 23
+dnl Copyright (C) 2005-2007, 2009-2019 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
# always include <glob.h> for the glob prototypes.
AC_DEFUN([gl_GLOB],
-[ GLOB_H=
- AC_CHECK_HEADERS([glob.h], [], [GLOB_H=glob.h])
+[
+ AC_REQUIRE([gl_GLOB_H])
+
+ AC_CHECK_FUNCS_ONCE([glob glob_pattern_p])
+ if test $ac_cv_func_glob = no; then
+ HAVE_GLOB=0
+ else
- if test -z "$GLOB_H"; then
- AC_CACHE_CHECK([for GNU glob interface version 1],
- [gl_cv_gnu_glob_interface_version_1],
+ AC_CACHE_CHECK([for GNU glob interface version 1 or 2],
+ [gl_cv_gnu_glob_interface_version_1_2],
[ AC_COMPILE_IFELSE([AC_LANG_SOURCE(
[[#include <gnu-versions.h>
-char a[_GNU_GLOB_INTERFACE_VERSION == 1 ? 1 : -1];]])],
- [gl_cv_gnu_glob_interface_version_1=yes],
- [gl_cv_gnu_glob_interface_version_1=no])])
-
- if test "$gl_cv_gnu_glob_interface_version_1" = "no"; then
- GLOB_H=glob.h
+char a[_GNU_GLOB_INTERFACE_VERSION == 1 || _GNU_GLOB_INTERFACE_VERSION == 2 ? 1 : -1];]])],
+ [gl_cv_gnu_glob_interface_version_1_2=yes],
+ [gl_cv_gnu_glob_interface_version_1_2=no])])
+ if test "$gl_cv_gnu_glob_interface_version_1_2" = "no"; then
+ REPLACE_GLOB=1
fi
- fi
- if test -z "$GLOB_H"; then
- AC_CACHE_CHECK([whether glob lists broken symlinks],
- [gl_cv_glob_lists_symlinks],
-[ if ln -s conf-doesntexist conf$$-globtest 2>/dev/null; then
- gl_cv_glob_lists_symlinks=maybe
- else
- # If we can't make a symlink, then we cannot test this issue. Be
- # pessimistic about this.
- gl_cv_glob_lists_symlinks=no
- fi
+ if test $REPLACE_GLOB = 0; then
+ AC_CACHE_CHECK([whether glob lists broken symlinks],
+ [gl_cv_glob_lists_symlinks],
+ [if test $cross_compiling != yes; then
+ if ln -s conf-doesntexist conf$$-globtest 2>/dev/null; then
+ gl_cv_glob_lists_symlinks=maybe
+ else
+ # If we can't make a symlink, then we cannot test this issue. Be
+ # pessimistic about this.
+ gl_cv_glob_lists_symlinks=no
+ fi
+ if test $gl_cv_glob_lists_symlinks = maybe; then
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <stddef.h>
+ #include <glob.h>]],
+ [[glob_t found;
+ if (glob ("conf*-globtest", 0, NULL, &found) == GLOB_NOMATCH)
+ return 1;
+ ]])],
+ [gl_cv_glob_lists_symlinks=yes],
+ [gl_cv_glob_lists_symlinks=no],
+ [dnl We don't get here.
+ :
+ ])
+ fi
+ rm -f conf$$-globtest
+ else
+ gl_cv_glob_lists_symlinks="$gl_cross_guess_normal"
+ fi
+ ])
+ case "$gl_cv_glob_lists_symlinks" in
+ *yes) ;;
+ *) REPLACE_GLOB=1 ;;
+ esac
+ fi
- if test $gl_cv_glob_lists_symlinks = maybe; then
- AC_RUN_IFELSE([
-AC_LANG_PROGRAM(
-[[#include <stddef.h>
-#include <glob.h>]],
-[[glob_t found;
-if (glob ("conf*-globtest", 0, NULL, &found) == GLOB_NOMATCH) return 1;]])],
- [gl_cv_glob_lists_symlinks=yes],
- [gl_cv_glob_lists_symlinks=no], [gl_cv_glob_lists_symlinks=no])
- fi])
+ fi
- if test $gl_cv_glob_lists_symlinks = no; then
- GLOB_H=glob.h
+ if test $ac_cv_func_glob_pattern_p = no; then
+ HAVE_GLOB_PATTERN_P=0
+ else
+ if test $REPLACE_GLOB = 1; then
+ REPLACE_GLOB_PATTERN_P=1
fi
fi
- rm -f conf$$-globtest
-
- AC_SUBST([GLOB_H])
- AM_CONDITIONAL([GL_GENERATE_GLOB_H], [test -n "$GLOB_H"])
+ if test $HAVE_GLOB = 0 || test $REPLACE_GLOB = 1; then
+ gl_REPLACE_GLOB_H
+ fi
])
-# Prerequisites of lib/glob.*.
+# Prerequisites of lib/glob.c and lib/globfree.c.
AC_DEFUN([gl_PREREQ_GLOB],
[
- AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])dnl
- AC_REQUIRE([AC_C_RESTRICT])dnl
- AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])dnl
- AC_CHECK_HEADERS_ONCE([sys/cdefs.h unistd.h])dnl
- if test $ac_cv_header_sys_cdefs_h = yes; then
- HAVE_SYS_CDEFS_H=1
- else
- HAVE_SYS_CDEFS_H=0
- fi
- AC_SUBST([HAVE_SYS_CDEFS_H])
- AC_CHECK_FUNCS_ONCE([fstatat getlogin_r getpwnam_r])dnl
+ AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])
+ AC_CHECK_HEADERS_ONCE([unistd.h])
+ AC_CHECK_FUNCS_ONCE([getlogin_r getpwnam_r])
])