doc: use ASCII in .texi files where UTF-8 isn't needed

[gnulib.git] / m4 / rmdir-errno.m4

diff --git a/m4/rmdir-errno.m4 b/m4/rmdir-errno.m4
index 2907e7b..b9b4c98 100644 (file)
--- a/m4/rmdir-errno.m4
+++ b/m4/rmdir-errno.m4
@@ -1,6 +1,6 @@
-#serial 7
+# serial 10
 
-# Copyright (C) 2000, 2001, 2005, 2006 Free Software Foundation, Inc.
+# Copyright (C) 2000-2001, 2005-2006, 2009-2014 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.
@@ -12,29 +12,33 @@
 # test runs a test to determine the actual numeric value.
 AC_DEFUN([gl_FUNC_RMDIR_NOTEMPTY],
 [dnl
+  AC_CHECK_HEADERS_ONCE([unistd.h])
   AC_CACHE_CHECK([for rmdir-not-empty errno value],
     gl_cv_func_rmdir_errno_not_empty,
     [
       # Arrange for deletion of the temporary directory this test creates.
       ac_clean_files="$ac_clean_files confdir2"
       mkdir confdir2; : > confdir2/file
-      AC_TRY_RUN([
+      AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #include <stdio.h>
 #include <errno.h>
-       int main ()
-       {
-         FILE *s;
-         int val;
-         rmdir ("confdir2");
-         val = errno;
-         s = fopen ("confdir2/errno", "w");
-         fprintf (s, "%d\n", val);
-         return 0;
-       }
-       ],
-      gl_cv_func_rmdir_errno_not_empty=`cat confdir2/errno`,
-      gl_cv_func_rmdir_errno_not_empty='configure error in rmdir-errno.m4',
-      gl_cv_func_rmdir_errno_not_empty=ENOTEMPTY
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+        int main ()
+        {
+          FILE *s;
+          int val;
+          rmdir ("confdir2");
+          val = errno;
+          s = fopen ("confdir2/errno", "w");
+          fprintf (s, "%d\n", val);
+          return 0;
+        }
+        ]])],
+      [gl_cv_func_rmdir_errno_not_empty=`cat confdir2/errno`],
+      [gl_cv_func_rmdir_errno_not_empty='configure error in rmdir-errno.m4'],
+      [gl_cv_func_rmdir_errno_not_empty=ENOTEMPTY]
       )
     ]
   )