From: Paul Belanger <paul.belanger@polybeacon.com>
Date: Thu, 9 Sep 2010 22:34:35 +0000 (+0000)
Subject: GCC 4.2.x optimizations result in improper behavior of GSM codec
X-Git-Tag: 1.4.37-rc1~24
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=725e695859e3684b2a5abbccb7ac61195770317c;p=thirdparty%2Fasterisk.git

GCC 4.2.x optimizations result in improper behavior of GSM codec

(closes issue #17688)
Reported by: pprindeville
Patches:
      asterisk-trunk-bugid11243.patch uploaded by pprindeville (license 347)
Tested by: mkeuter, pprindeville


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@285817 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/codecs/gsm/Makefile b/codecs/gsm/Makefile
index 43110f314a..36bde07a91 100644
--- a/codecs/gsm/Makefile
+++ b/codecs/gsm/Makefile
@@ -37,6 +37,14 @@ WAV49	= -DWAV49
 ######### ppro's, etc, as well as the AMD K6 and K7.  The compile will
 ######### probably require gcc. 
 
+# Due to the gsm codec beeing broken when compiled with gcc version 4.2
+# and optimization higher than -O2 we are checking for that version and
+# set the optimization to -O2 in this case.
+
+ifeq ($(shell $(CC) -v 2>&1 | awk '/^gcc version/ { split($$3, v, "."); printf "%s.%s\n", v[1], v[2]; }' ),4.2)
+OPTIMIZE=-O2
+endif
+
 ifeq (,$(findstring $(shell uname -s),Darwin SunOS))
   ifeq (,$(findstring $(PROC),x86_64 amd64 ultrasparc sparc64 arm armv5b armeb hppa2.0 ppc powerpc ppc64 ia64 s390 bfin mipsel mips))
     ifeq (,$(findstring $(shell uname -m),ppc ppc64 alpha armv4l s390))