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From: "doko at debian dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/98705] New: [11 Regression] bootstrap broken on
 x86_64-linux-gnu with --enable-cet and multilibs enabled
Date: Sat, 16 Jan 2021 11:53:02 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98705

            Bug ID: 98705
           Summary: [11 Regression] bootstrap broken on x86_64-linux-gnu
                    with --enable-cet and multilibs enabled
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at debian dot org
  Target Milestone: ---

seen after 77d372abec0fbf2cfe922e3140ee3410248f979e on x86_64-linux-gnu with
--enable-cet and multilibs enabled

libtool: compile:  /<<PKGBUILDDIR>>/build/./gcc/xgcc
-B/<<PKGBUILDDIR>>/build/./gcc/ -B/usr/lib/gcc-snap
shot/x86_64-linux-gnu/bin/ -B/usr/lib/gcc-snapshot/x86_64-linux-gnu/lib/
-isystem /usr/lib/gcc-snapshot/
x86_64-linux-gnu/include -isystem
/usr/lib/gcc-snapshot/x86_64-linux-gnu/sys-include -DHAVE_CONFIG_H -I.
 -I../../../../src/libgomp -I../../../../src/libgomp/config/linux/x86
-I../../../../src/libgomp/config/l
inux -I../../../../src/libgomp/config/posix -I../../../../src/libgomp
-I../../../../src/libgomp/../inclu
de -Wall -Werror -ftls-model=3Dinitial-exec -DUSING_INITIAL_EXEC_TLS -march=
=3Di486
-pthread -mtune=3Dgeneric -
fcf-protection -mshstk -g -O2 -m32 -MT alloc.lo -MD -MP -MF .deps/alloc.Tpo=
 -c
../../../../src/libgomp/a
lloc.c  -fPIC -DPIC -o .libs/alloc.o
cc1: error: '-fcf-protection' is not compatible with this target
make[11]: *** [Makefile:798: alloc.lo] Error 1
make[10]: *** [Makefile:1021: all-recursive] Error 1
make[10]: Leaving directory
'/<<PKGBUILDDIR>>/build/x86_64-linux-gnu/32/libgomp'
make[9]: *** [Makefile:622: all] Error 2
make[9]: Leaving directory '/<<PKGBUILDDIR>>/build/x86_64-linux-gnu/32/libg=
omp'
make[8]: *** [Makefile:1440: multi-do] Error 1
make[8]: Leaving directory '/<<PKGBUILDDIR>>/build/x86_64-linux-gnu/libgomp'
make[7]: *** [Makefile:1410: all-multi] Error 2
[...]
make[4]: Leaving directory '/<<PKGBUILDDIR>>/build'
make[3]: *** [Makefile:28643: stagefeedback-bubble] Error 2
make[3]: Leaving directory '/<<PKGBUILDDIR>>/build'
make[2]: *** [Makefile:28674: profiledbootstrap-lean] Error 2
make[2]: Leaving directory '/<<PKGBUILDDIR>>/build'

configured with
         --enable-cet
         --with-arch-32=3Di686
         --with-abi=3Dm64
         --with-multilib-list=3Dm32,m64,mx32=