Changes to m4/src/Attic/builtin.c,v [branch-1_4]

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Branch:         branch-1_4
Changes by:     Eric Blake <ericb>      06/06/30 15:06:54

Index: src/builtin.c
===================================================================
RCS file: /sources/m4/m4/src/Attic/builtin.c,v
retrieving revision 1.1.1.1.2.14
retrieving revision 1.1.1.1.2.15
diff -u -b -r1.1.1.1.2.14 -r1.1.1.1.2.15
--- src/builtin.c       23 Jun 2006 12:58:20 -0000      1.1.1.1.2.14
+++ src/builtin.c       30 Jun 2006 15:06:53 -0000      1.1.1.1.2.15
@@ -148,7 +148,13 @@
 static predefined const
 predefined_tab[] =
 {
+#if UNIX
   { "unix",    "__unix__",     "" },
+#elif W32_NATIVE
+  { "windows", "__windows__",  "" },
+#else
+# warning Platform macro not provided
+#endif
   { NULL,      "__gnu__",      "" },
 
   { NULL,      NULL,           NULL },
@@ -770,7 +776,11 @@
 m4_syscmd (struct obstack *obs, int argc, token_data **argv)
 {
   if (bad_argc (argv[0], argc, 2, 2))
+    {
+      /* The empty command is successful.  */
+      sysval = 0;
     return;
+    }
 
   debug_flush_files ();
   sysval = system (ARG (1));
@@ -783,7 +793,11 @@
   int ch;
 
   if (bad_argc (argv[0], argc, 2, 2))
+    {
+      /* The empty command is successful.  */
+      sysval = 0;
     return;
+    }
 
   debug_flush_files ();
   errno = 0;