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[PATCH] Fix obstack* on i?86

From: Jakub Jelinek <jakub at redhat dot com>
To: Ulrich Drepper <drepper at redhat dot com>
Cc: Glibc hackers <libc-hacker at sources dot redhat dot com>
Date: Fri, 31 Jul 2009 14:21:31 +0200
Subject: [PATCH] Fix obstack* on i?86
Reply-to: Jakub Jelinek <jakub at redhat dot com>

Hi!

obstack calls several callbacks, so on i?86 it'd better be compiled
without -mpreferred-stack-boundary=2, otherwise the callbacks are called
with misaligned stack.

2009-07-31  Jakub Jelinek  <jakub@redhat.com>

	* malloc/Makefile (CFLAGS-obstack.c): Add $(uses-callbacks).

--- libc/malloc/Makefile	2009-05-16 19:23:36.000000000 +0200
+++ libc/malloc/Makefile	2009-07-31 09:09:51.760080072 +0200
@@ -104,6 +104,7 @@ $(objpfx)memusagestat: $(memusagestat-mo
 include ../Rules
 
 CFLAGS-mcheck-init.c = $(PIC-ccflag)
+CFLAGS-obstack.c = $(uses-callbacks)
 
 $(objpfx)libmcheck.a: $(objpfx)mcheck-init.o
 	-rm -f $@

	Jakub

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