gnu/149712: [build] [make.conf] -fno-builtin in CFLAGS will
cause gcc to segfault
Alexander Best
arundel at freebsd.org
Mon Aug 16 18:28:02 UTC 2010
On Mon Aug 16 10, Alexander Best wrote:
>
> >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 at 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
^^ seems this line was causing problems. just fixed the PR.
cheers.
alex
> --------------------------------------------------------------
> 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
--
a13x
More information about the freebsd-bugs
mailing list