X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Funlink-busy.m4;h=cdc5f74a0a367b2e2171e5971c50f3e9c43f5639;hb=e3ad62845a3b14a8a6aac9e966cdf0642e9294fe;hp=79152e9d53ddcf7197e5488c89c96ea0d39e22ba;hpb=ee76465ad82c04707c78ff3ed723358217c9e34f;p=gnulib.git

diff --git a/m4/unlink-busy.m4 b/m4/unlink-busy.m4
index 79152e9d5..cdc5f74a0 100644
--- a/m4/unlink-busy.m4
+++ b/m4/unlink-busy.m4
@@ -1,24 +1,27 @@
-#serial 6
+#serial 10
 
 dnl From J. David Anglin.
 
 dnl HPUX and other systems can't unlink shared text that is being executed.
 
-AC_DEFUN([jm_FUNC_UNLINK_BUSY_TEXT],
+# Copyright (C) 2000, 2001, 2004, 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.
+
+AC_DEFUN([gl_FUNC_UNLINK_BUSY_TEXT],
 [dnl
   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