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From: Jakub Jelinek <>
To: Ulrich Drepper <>
Cc: Glibc hackers <>
Subject: [PATCH] Fix obstack* on i?86
Date: Fri, 31 Jul 2009 12:22:00 -0000	[thread overview]
Message-ID: <> (raw)


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  <>

	* 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 $@


                 reply	other threads:[~2009-07-31 12:22 UTC|newest]

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