X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fdirfd.m4;h=125966b1a01bc42c4e562b0b30f84a6019e67efc;hb=54e1ee6dd19e97aa493a21df3275faed4989af8d;hp=8e4207578caf77ee153d7662e196c89b16d75d5b;hpb=a745a585f3446dd71f45cbd976952ca4becb97c9;p=gnulib.git

diff --git a/m4/dirfd.m4 b/m4/dirfd.m4
index 8e4207578..125966b1a 100644
--- a/m4/dirfd.m4
+++ b/m4/dirfd.m4
@@ -1,6 +1,13 @@
-#serial 7
+#serial 14   -*- Autoconf -*-
 
 dnl Find out how to get the file descriptor associated with an open DIR*.
+
+# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Free Software
+# Foundation, Inc.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
 dnl From Jim Meyering
 
 AC_DEFUN([gl_FUNC_DIRFD],
@@ -8,30 +15,16 @@ AC_DEFUN([gl_FUNC_DIRFD],
   dnl Work around a bug of AC_EGREP_CPP in autoconf-2.57.
   AC_REQUIRE([AC_PROG_CPP])
   AC_REQUIRE([AC_PROG_EGREP])
-
-  AC_HEADER_DIRENT
-  dirfd_headers='
-#if HAVE_DIRENT_H
-# include <dirent.h>
-#else /* not HAVE_DIRENT_H */
-# define dirent direct
-# if HAVE_SYS_NDIR_H
-#  include <sys/ndir.h>
-# endif /* HAVE_SYS_NDIR_H */
-# if HAVE_SYS_DIR_H
-#  include <sys/dir.h>
-# endif /* HAVE_SYS_DIR_H */
-# if HAVE_NDIR_H
-#  include <ndir.h>
-# endif /* HAVE_NDIR_H */
-#endif /* HAVE_DIRENT_H */
-'
   AC_CHECK_FUNCS(dirfd)
-  AC_CHECK_DECLS([dirfd], , , $dirfd_headers)
+  AC_CHECK_DECLS([dirfd], , ,
+    [#include <sys/types.h>
+     #include <dirent.h>])
 
   AC_CACHE_CHECK([whether dirfd is a macro],
     gl_cv_func_dirfd_macro,
-    [AC_EGREP_CPP([dirent_header_defines_dirfd], [$dirfd_headers
+    [AC_EGREP_CPP([dirent_header_defines_dirfd], [
+#include <sys/types.h>
+#include <dirent.h>
 #ifdef dirfd
  dirent_header_defines_dirfd
 #endif],
@@ -47,13 +40,13 @@ AC_DEFUN([gl_FUNC_DIRFD],
 	      [how to get the file descriptor associated with an open DIR*],
 		   gl_cv_sys_dir_fd_member_name,
       [
-        dirfd_save_CFLAGS=$CFLAGS
+	dirfd_save_CFLAGS=$CFLAGS
 	for ac_expr in d_fd dd_fd; do
 
 	  CFLAGS="$CFLAGS -DDIR_FD_MEMBER_NAME=$ac_expr"
 	  AC_TRY_COMPILE(
-	    [$dirfd_headers
-	    ],
+	    [#include <sys/types.h>
+	     #include <dirent.h>],
 	    [DIR *dir_p = opendir("."); (void) dir_p->DIR_FD_MEMBER_NAME;],
 	    dir_fd_found=yes
 	  )