-# dirent_h.m4 serial 7
-dnl Copyright (C) 2008-2009 Free Software Foundation, Inc.
+# dirent_h.m4 serial 10
+dnl Copyright (C) 2008-2010 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.
dnl once only, before all statements that occur in other macros.
AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
- dnl Execute this unconditionally, because DIRENT_H may be set by other
- dnl modules, after this code is executed.
+ dnl <dirent.h> is always overridden, because of GNULIB_POSIXCHECK.
gl_CHECK_NEXT_HEADERS([dirent.h])
+
+ dnl Check for declarations of anything we want to poison if the
+ dnl corresponding gnulib module is not in use.
+ gl_WARN_ON_USE_PREPARE([[#include <dirent.h>
+ ]], [alphasort dirfd fdopendir scandir])
])
dnl Unconditionally enables the replacement of <dirent.h>.
AC_DEFUN([gl_REPLACE_DIRENT_H],
[
- AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
- DIRENT_H='dirent.h'
+ dnl This is a no-op, because <dirent.h> is always overridden.
+ :
])
AC_DEFUN([gl_DIRENT_MODULE_INDICATOR],
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+ dnl Define it also as a C macro, for the benefit of the unit tests.
+ gl_MODULE_INDICATOR([$1])
])
AC_DEFUN([gl_DIRENT_H_DEFAULTS],
REPLACE_CLOSEDIR=0; AC_SUBST([REPLACE_CLOSEDIR])
REPLACE_FDOPENDIR=0; AC_SUBST([REPLACE_FDOPENDIR])
REPLACE_OPENDIR=0; AC_SUBST([REPLACE_OPENDIR])
- DIRENT_H=''; AC_SUBST([DIRENT_H])
])