X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Funlink-busy.m4;h=687f900da1d6bd941a227ce92d7a91623683d7c8;hb=4bb97a4bd289fd0c917764399570b0d68fd9a612;hp=e25d2ea404256fb824e984db19d4c944eb98a712;hpb=44d7c1c1f004fa9bfb8ec3948de2671a7958cf5b;p=gnulib.git

diff --git a/m4/unlink-busy.m4 b/m4/unlink-busy.m4
index e25d2ea40..687f900da 100644
--- a/m4/unlink-busy.m4
+++ b/m4/unlink-busy.m4
@@ -1,10 +1,10 @@
-#serial 8
+#serial 11
 
 dnl From J. David Anglin.
 
 dnl HPUX and other systems can't unlink shared text that is being executed.
 
-# Copyright (C) 2000, 2001, 2004 Free Software Foundation, Inc.
+# Copyright (C) 2000, 2001, 2004, 2007 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.
@@ -14,16 +14,14 @@ AC_DEFUN([gl_FUNC_UNLINK_BUSY_TEXT],
   AC_CACHE_CHECK([whether a running program can be unlinked],
     jm_cv_func_unlink_busy_text,
     [
-      AC_TRY_RUN([
-        main (argc, argv)
-          int argc;
-          char **argv;
-        {
-          if (!argc)
-            exit (-1);
-          exit (unlink (argv[0]));
-        }
-	],
+      AC_RUN_IFELSE(
+        [AC_LANG_SOURCE(
+           [AC_INCLUDES_DEFAULT[
+	    int
+	    main (int argc, char **argv)
+	    {
+	      return !argc || unlink (argv[0]) != 0;
+	    }]])],
       jm_cv_func_unlink_busy_text=yes,
       jm_cv_func_unlink_busy_text=no,
       jm_cv_func_unlink_busy_text=no