Date: 27 Apr 2006 09:57:25 -0000 From: Alex Mogilnikov <alx@intellectronika.ru> To: FreeBSD-gnats-submit@FreeBSD.org Cc: Joerg Wunsch <joerg@FreeBSD.org> Subject: ports/96407: [PATCH] devel/avr-gcc-devel fails to build with -march in CFLAGS Message-ID: <20060427095725.92690.qmail@newserv.intellectronika.ru> Resent-Message-ID: <200604271000.k3RA0UIQ037205@freefall.freebsd.org>
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>Number: 96407
>Category: ports
>Synopsis: [PATCH] devel/avr-gcc-devel fails to build with -march in CFLAGS
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-ports-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Apr 27 10:00:29 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator: Alex Mogilnikov
>Release:
>Organization:
>Environment:
System: FreeBSD newserv.intellectronika.ru 5.4-RELEASE-p6 FreeBSD 5.4-RELEASE-p6 #2: Sun Aug 7 14:48:38 YEKST 2005 alx@newserv.intellectronika.ru:/usr/obj/usr/src/sys/MYKERNEL i386
CPUTYPE=i686 in /etc/make.conf
>Description:
Makefile in gcc-4.1.0 unconditionally adds host compiler flags
containing in CFLAGS variable to CFLAGS_FOR_TARGET.
If CFLAGS contains -march=... option, building of libgcc modules
fails with the following error message:
cc1: error: unrecognized command line option "-march=pentiumpro"
>How-To-Repeat:
echo CPUTYPE=i686 >>/etc/make.conf
cd /usr/ports/devel/avr-gcc-devel && make
>Fix:
add the following patch to devel/avr-gcc-devel/files
--- patch-march begins here ---
--- Makefile.in.orig Thu Dec 15 19:02:02 2005
+++ Makefile.in Thu Apr 27 03:58:59 2006
@@ -329,7 +329,7 @@
# CFLAGS will be just -g. We want to ensure that TARGET libraries
# (which we know are built with gcc) are built with optimizations so
# prepend -O2 when setting CFLAGS_FOR_TARGET.
-CFLAGS_FOR_TARGET = -O2 $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
+CFLAGS_FOR_TARGET = -O2 $(filter-out -march=% -mcpu=%,$(CFLAGS)) $(SYSROOT_CFLAGS_FOR_TARGET)
SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
CXXFLAGS_FOR_TARGET = $(CXXFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
--- patch-march ends here ---
>Release-Note:
>Audit-Trail:
>Unformatted:
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