X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fgetcwd-path-max.m4;h=14784999d454a312d08a637dc3cb59489eb12919;hb=05a96e0bca75d5b01c337cd7dacd04507d6e6497;hp=74570dfffa6ca9c56fba4e14ca8019e0a79ba969;hpb=359c0a71713e606f440d40f55a43c77349df2aaa;p=gnulib.git

diff --git a/m4/getcwd-path-max.m4 b/m4/getcwd-path-max.m4
index 74570dfff..14784999d 100644
--- a/m4/getcwd-path-max.m4
+++ b/m4/getcwd-path-max.m4
@@ -1,4 +1,4 @@
-#serial 9
+# serial 14
 # Check for several getcwd bugs with long file names.
 # If so, arrange to compile the wrapper function.
 
@@ -6,7 +6,7 @@
 # I've heard that this is due to a Linux kernel bug, and that it has
 # been fixed between 2.4.21-pre3 and 2.4.21-pre4.  */
 
-# Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
+# Copyright (C) 2003-2007, 2009 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.
@@ -15,8 +15,7 @@
 
 AC_DEFUN([gl_FUNC_GETCWD_PATH_MAX],
 [
-  AC_CHECK_DECLS_ONCE(getcwd)
-  AC_CHECK_HEADERS_ONCE(fcntl.h)
+  AC_CHECK_DECLS_ONCE([getcwd])
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   AC_CACHE_CHECK([whether getcwd handles long file names properly],
     gl_cv_func_getcwd_path_max,
@@ -32,9 +31,7 @@ AC_DEFUN([gl_FUNC_GETCWD_PATH_MAX],
 #include <limits.h>
 #include <sys/stat.h>
 #include <sys/types.h>
-#if HAVE_FCNTL_H
-# include <fcntl.h>
-#endif
+#include <fcntl.h>
 
 #ifndef AT_FDCWD
 # define AT_FDCWD 0
@@ -64,7 +61,7 @@ AC_DEFUN([gl_FUNC_GETCWD_PATH_MAX],
 #define BUF_SLOP 20
 
 int
-main (void)
+main ()
 {
 #ifndef PATH_MAX
   /* The Hurd doesn't define this, so getcwd can't exhibit the bug --
@@ -160,13 +157,14 @@ main (void)
   {
     size_t i;
 
-    /* Unlink first, in case the chdir failed.  */
-    unlink (DIR_NAME);
+    /* Try rmdir first, in case the chdir failed.  */
+    rmdir (DIR_NAME);
     for (i = 0; i <= n_chdirs; i++)
       {
 	if (chdir ("..") < 0)
 	  break;
-	rmdir (DIR_NAME);
+	if (rmdir (DIR_NAME) != 0)
+	  break;
       }
   }
 
@@ -183,7 +181,7 @@ main (void)
   ])
   case $gl_cv_func_getcwd_path_max in
   no,*)
-    AC_DEFINE([HAVE_PARTLY_WORKING_GETCWD], 1,
+    AC_DEFINE([HAVE_PARTLY_WORKING_GETCWD], [1],
       [Define to 1 if getcwd works, except it sometimes fails when it shouldn't,
        setting errno to ERANGE, ENAMETOOLONG, or ENOENT.  If __GETCWD_PREFIX
        is not defined, it doesn't matter whether HAVE_PARTLY_WORKING_GETCWD