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-rw-r--r--ChangeLog5
-rw-r--r--sysdeps/posix/system.c6
2 files changed, 8 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index d6ef5e917c..8e0a080e9f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-08-15  Roland McGrath  <roland@hack.frob.com>
+
+	* sysdeps/posix/system.c (do_system): Cast SUB_REF () to void when not
+	using its value, to avoid warnings in the [!_LIBC_REENTRANT] case.
+
 2012-08-14  Mike Frysinger  <vapier@gentoo.org>
 
 	* config.h.in (HAVE_CPP_ASM_DEBUGINFO): Delete.
diff --git a/sysdeps/posix/system.c b/sysdeps/posix/system.c
index c4d65bf128..5973b6265d 100644
--- a/sysdeps/posix/system.c
+++ b/sysdeps/posix/system.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2000,2002,2003,2005,2007 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -70,13 +70,13 @@ do_system (const char *line)
     {
       if (__sigaction (SIGINT, &sa, &intr) < 0)
 	{
-	  SUB_REF ();
+	  (void) SUB_REF ();
 	  goto out;
 	}
       if (__sigaction (SIGQUIT, &sa, &quit) < 0)
 	{
 	  save = errno;
-	  SUB_REF ();
+	  (void) SUB_REF ();
 	  goto out_restore_sigint;
 	}
     }