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>      06/07/07 02:40:46

Index: src/builtin.c
===================================================================
RCS file: /sources/m4/m4/src/Attic/builtin.c,v
retrieving revision 1.1.1.1.2.16
retrieving revision 1.1.1.1.2.17
diff -u -b -r1.1.1.1.2.16 -r1.1.1.1.2.17
--- src/builtin.c       30 Jun 2006 18:58:11 -0000      1.1.1.1.2.16
+++ src/builtin.c       7 Jul 2006 02:40:46 -0000       1.1.1.1.2.17
@@ -813,6 +813,16 @@
 
   debug_flush_files ();
   sysval = system (ARG (1));
+#if FUNC_SYSTEM_BROKEN
+  /* OS/2 has a buggy system() that returns exit status in the lowest eight
+     bits, although pclose() and WEXITSTATUS are defined to return exit
+     status in the next eight bits.  This approach can't detect signals, but
+     at least syscmd(`ls') still works when stdout is a terminal.  An
+     alternate approach is popen/insert_file/pclose, but that makes stdout
+     a pipe, which can change how some child processes behave.  */
+  if (sysval != -1)
+    sysval <<= 8;
+#endif /* FUNC_SYSTEM_BROKEN */
 }
 
 static void