Date: Mon, 16 Aug 2010 18:05:12 GMT From: Alexander Best <arundel@FreeBSD.org> To: freebsd-gnats-submit@FreeBSD.org Subject: gnu/149712: [build] [make.conf] -fno-builtin in CFLAGS will cause gcc to segfault Message-ID: <201008161805.o7GI5CmD072482@www.freebsd.org> Resent-Message-ID: <201008161810.o7GIA4co073896@freefall.freebsd.org>
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>Number: 149712 >Category: gnu >Synopsis: [build] [make.conf] -fno-builtin in CFLAGS will cause gcc to segfault >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Aug 16 18:10:04 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Alexander Best >Release: 9.0-CURRENT >Organization: >Environment: FreeBSD otaku 9.0-CURRENT FreeBSD 9.0-CURRENT #1 r211163M: Wed Aug 11 11:34:06 CEST 2010 root@otaku:/usr/obj/usr/src/sys/ARUNDEL amd64 >Description: with the following in my make.conf CPUTYPE = native COPTFLAGS = -O0 -pipe -fno-builtin -fno-strict-aliasing -funroll-loops CFLAGS = -O2 -pipe -fno-strict-aliasing -funroll-loops -fno-builtin CXXFLAGS += -fconserve-space buildworld will fail: -------------------------------------------------------------- >How-To-Repeat: cd /usr/src && make buildworld (with CFLAGS = -O2 -pipe -fno-strict-aliasing -funroll-loops -fno-builtin) >Fix: >Release-Note: >Audit-Trail: >Unformatted: >>> stage 4.2: building libraries -------------------------------------------------------------- cd /usr/src; MAKEOBJDIRPREFIX=/usr/obj MACHINE_ARCH=amd64 MACHINE=amd64 CPUTYPE=native GROFF_BIN_PATH=/usr/obj/usr/src/tmp/legacy/usr/bin GROFF_FONT_PATH=/usr/obj/usr/src/tmp/legacy/usr/share/groff_font GROFF_TMAC_PATH=/usr/obj/usr/src/tmp/legacy/ usr/share/tmac _SHLIBDIRPREFIX=/usr/obj/usr/src/tmp VERSION="FreeBSD 9.0-CURRENT amd64 900016" INSTALL="sh /usr/src/tools/install.sh" PATH=/usr/obj/usr/src/tmp/legacy/usr/sbin:/usr/obj/usr/src/tmp/legacy/usr/bin:/usr/obj/usr/src/tmp/legacy/usr/games: /usr/obj/usr/src/tmp/usr/sbin:/usr/obj/usr/src/tmp/usr/bin:/usr/obj/usr/src/tmp/usr/games:/sbin:/bin:/usr/sbin:/usr/bin NO_CTF=1 /usr/obj/usr/src/make.amd64/make -f Makefile.inc1 DESTDIR=/usr/obj/usr/src/tmp -DNO_FSCHG -DWITHOUT_HTML -DWITHOUT_INFO -DNO_ LINT -DWITHOUT_MAN -DWITHOUT_PROFILE libraries cd /usr/src; /usr/obj/usr/src/make.amd64/make -f Makefile.inc1 _prereq_libs; /usr/obj/usr/src/make.amd64/make -f Makefile.inc1 _startup_libs; /usr/obj/usr/src/make.amd64/make -f Makefile.inc1 _prebuild_libs; /usr/obj/usr/src/make.amd64/make -f Makefi le.inc1 _generic_libs; ===> gnu/lib/libssp/libssp_nonshared (obj,depend,all,install) rm -f .depend mkdep -f .depend -a -DHAVE_CONFIG_H -I/usr/src/gnu/lib/libssp/libssp_nonshared/.. -I/usr/src/gnu/lib/libssp/libssp_nonshared/../../../../contrib/gcclibs/libssp -I/usr/src/gnu/lib/libssp/libssp_nonshared/../../../../contrib/gcclibs/include -DPIC /usr/s rc/gnu/lib/libssp/libssp_nonshared/../../../../contrib/gcclibs/libssp/ssp-local.c cc -O2 -pipe -fno-strict-aliasing -funroll-loops -fno-builtin -march=native -DHAVE_CONFIG_H -I/usr/src/gnu/lib/libssp/libssp_nonshared/.. -I/usr/src/gnu/lib/libssp/libssp_nonshared/../../../../contrib/gcclibs/libssp -I/usr/src/gnu/lib/libssp/libssp_non shared/../../../../contrib/gcclibs/include -fPIC -DPIC -fvisibility=hidden -g -std=gnu99 -fstack-protector -c /usr/src/gnu/lib/libssp/libssp_nonshared/../../../../contrib/gcclibs/libssp/ssp-local.c *** Signal 11 Stop in /usr/src/gnu/lib/libssp/libssp_nonshared. *** Error code 1 Stop in /usr/src. *** Error code 1 Stop in /usr/src. *** Error code 1 Stop in /usr/src. *** Error code 1 Stop in /usr/src. with the following changes to make.conf buildworld succeeds: --- make.conf-failure 2010-08-16 14:55:31.000000000 +0200 +++ make.conf 2010-08-16 16:04:21.000000000 +0200 @@ -17,7 +17,7 @@ # compiler flags CPUTYPE = native COPTFLAGS = -O0 -pipe -fno-builtin -fno-strict-aliasing -funroll-loops -CFLAGS = -O2 -pipe -fno-strict-aliasing -funroll-loops -fno-builtin +CFLAGS = -O2 -pipe -fno-strict-aliasing -funroll-loops #-fno-builtin CXXFLAGS += -fconserve-space this issue has been discussed beforehand in [1]. cheers. alex [1] http://www.mail-archive.com/freebsd-current@freebsd.org/msg67668.html
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