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Date: Mon, 1 May 2006 04:00:37 GMT
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To: freebsd-bugs@FreeBSD.org
From: Mikhail Teterin <mi+kde@aldan.algebra.com>
Cc: 
Subject: Re: conf/96570: cc can't build 32-bit executables on amd64
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The following reply was made to PR conf/96570; it has been noted by GNATS.

From: Mikhail Teterin <mi+kde@aldan.algebra.com>
To: bug-followup@freebsd.org
Cc:  
Subject: Re: conf/96570: cc can't build 32-bit executables on amd64
Date: Sun, 30 Apr 2006 23:52:38 -0400

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 The attached patch is a little dirty, but works. It may be an acceptable 
 stop-gap for the upcoming release, until a knowledgeable person comes up with 
 something cleaner.
 
 The gcc produced with this patch, for example, allows to compile lame 
 with -m32, thus utilizing i386-only assembler optimizations.
 
 	-mi
 
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 Index: Makefile
 ===================================================================
 RCS file: /home/ncvs/src/gnu/usr.bin/cc/cc_tools/Makefile,v
 retrieving revision 1.81
 diff -d -U2 -r1.81 Makefile
 --- Makefile	3 Jun 2005 04:21:04 -0000	1.81
 +++ Makefile	1 May 2006 03:34:43 -0000
 @@ -371,8 +371,15 @@
  
  multilib.h:
 +.if ${TARGET_ARCH} == "amd64"
 +	echo 'static const char *const multilib_raw[] = { \
 +	    "aout maout;", "../lib32 32;", "elf !maout;", NULL };'	> ${.TARGET}
 +	echo 'static const char *const multilib_matches_raw[] = { \
 +	    "maout maout;", "m32 32;", "melf melf;", NULL };'	>> ${.TARGET}
 +.else
  	echo 'static const char *const multilib_raw[] = { \
  	    "aout maout;", "elf !maout;", NULL };'	> ${.TARGET}
  	echo 'static const char *const multilib_matches_raw[] = { \
  	    "maout maout;", "melf melf;", NULL };'	>> ${.TARGET}
 +.endif
  	echo 'static const char *multilib_extra = "";'	>> ${.TARGET}
  	echo 'static const char *multilib_options = "";'>> ${.TARGET}
 
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