| # glob.m4 serial 24 |
| dnl Copyright (C) 2005-2007, 2009-2021 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. |
| |
| # The glob module assumes you want GNU glob, with glob_pattern_p etc, |
| # rather than vanilla POSIX glob. This means your code should |
| # always include <glob.h> for the glob prototypes. |
| |
| AC_DEFUN([gl_GLOB], |
| [ |
| AC_REQUIRE([gl_GLOB_H]) |
| |
| AC_CHECK_FUNCS_ONCE([glob glob_pattern_p]) |
| if test $ac_cv_func_glob = no; then |
| HAVE_GLOB=0 |
| else |
| |
| AC_CACHE_CHECK([for GNU glob interface version 1 or 2], |
| [gl_cv_gnu_glob_interface_version_1_2], |
| [ AC_COMPILE_IFELSE([AC_LANG_SOURCE( |
| [[#include <gnu-versions.h> |
| char a[_GNU_GLOB_INTERFACE_VERSION == 1 || _GNU_GLOB_INTERFACE_VERSION == 2 ? 1 : -1];]])], |
| [gl_cv_gnu_glob_interface_version_1_2=yes], |
| [gl_cv_gnu_glob_interface_version_1_2=no])]) |
| if test "$gl_cv_gnu_glob_interface_version_1_2" = "no"; then |
| REPLACE_GLOB=1 |
| fi |
| |
| 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$$-globtest 2>/dev/null; then |
| gl_cv_glob_lists_symlinks=maybe |
| else |
| # If we can't make a symlink, then we cannot test this issue. Be |
| # pessimistic about this. |
| gl_cv_glob_lists_symlinks=no |
| fi |
| if test $gl_cv_glob_lists_symlinks = maybe; then |
| AC_RUN_IFELSE( |
| [AC_LANG_PROGRAM( |
| [[#include <stddef.h> |
| #include <glob.h>]], |
| [[glob_t found; |
| if (glob ("conf*-globtest", 0, NULL, &found) == GLOB_NOMATCH) |
| return 1; |
| globfree (&found); |
| ]])], |
| [gl_cv_glob_lists_symlinks=yes], |
| [gl_cv_glob_lists_symlinks=no], |
| [dnl We don't get here. |
| : |
| ]) |
| fi |
| rm -f conf$$-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 |
| |
| fi |
| |
| 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 |
| |
| if test $HAVE_GLOB = 0 || test $REPLACE_GLOB = 1; then |
| gl_REPLACE_GLOB_H |
| fi |
| ]) |
| |
| # Prerequisites of lib/glob.c and lib/globfree.c. |
| AC_DEFUN([gl_PREREQ_GLOB], |
| [ |
| AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE]) |
| AC_CHECK_HEADERS_ONCE([unistd.h]) |
| AC_CHECK_FUNCS_ONCE([getlogin_r getpwnam_r]) |
| ]) |
