Hello Michael,

trying to compile the new toolchain on my workstation (running openSUSE Leap 15.3, kernel
5.3.18-150300.59.43-default, GCC 11 installed), gcc fails to build:

> Checking for necessary space on disk                                                                                                                                                                                                 [ DONE ]
> chroot: failed to run command 'env': No such file or directory
> Toolchain compilation (x86_64)                                                                                                                                                                                                        
> stage1                                                                                                                                                                                                                               [ DONE ]
> binutils (2.37)                                                                                                                                                                                                    PASS=1[       37 ][ DONE ]
> gcc (11.1.0)                                                                                                                                                                                                       PASS=1[     4:52 ][ FAIL ]
> 
>     checking for sys/auxv.h... no
>     checking for sys/mman.h... no
>     checking for grep that handles long lines and -e... /bin/grep
>     checking for egrep... /bin/grep -E
>     checking for ANSI C header files... no
>     checking whether decimal floating point is supported... no
>     checking whether fixed-point is supported... no
>     checking whether the compiler is configured for setjmp/longjmp exceptions... no
>     checking for CET support... yes
>     checking if the linker (/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-build/./gcc/collect-ld) is GNU ld... yes
>     checking for thread model used by GCC... single
>     checking whether assembler supports CFI directives... yes
>     checking for target glibc version... 2.11
>     2.11
>     checking for __attribute__((visibility("hidden")))... yes
>     checking for .cfi_sections .debug_frame... yes
>     checking whether the target assembler supports thread-local storage... yes
>     checking whether the thread-local storage support is from emutls... no
>     checking if the assembler supports AVX... yes
>     checking for init priority support... yes
>     configure: updating cache ./config.cache
>     configure: creating ./config.status
>     config.status: creating Makefile
>     config.status: creating auto-target.h
>     config.status: executing default commands
>     /home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/libgcc/../config-ml.in: line 133: enable_libstdc++_v3=no: command not found
>     make[2]: Leaving directory '/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-build'
>     make[1]: *** [Makefile:947: all] Error 2
>     make[1]: Leaving directory '/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-build'
>     make: *** [gcc:251: /home/pmu/IPFire-development/ipfire-2.x/log/gcc-11.1.0-tools1] Error 2
> 
> ERROR: Building gcc PASS=1                                                                                                                                                                                                           [ FAIL ]
>     Check /home/pmu/IPFire-development/ipfire-2.x/log/_build.toolchain.log for errors if applicable                                                                                                                                  [ FAIL ]

In the logs, I also noticed this:

> make[4]: Entering directory '/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-build/libcc1'
> /bin/sh ./libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/libcc1  -I /home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/libcc1/..
> /include -I /home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/libcc1/../libgcc -I ../gcc -I/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/libcc1/../gcc  -I/home/pmu/IPFire-developme
> nt/ipfire-2.x/build/usr/src/gcc-build/./gmp -I/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/gmp -I/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-build/./mpfr/src -I/home/pmu/IPFire-dev
> elopment/ipfire-2.x/build/usr/src/gcc-11.1.0/mpfr/src -I/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/mpc/src   -W -Wall  -fvisibility=hidden -fcf-protection  -O2 -pipe -Wall -fPIC -m64 -MT findcomp.lo -MD -MP -
> MF .deps/findcomp.Tpo -c -o findcomp.lo /home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/libcc1/findcomp.cc
> libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/libcc1 -I /home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/libcc1/../include -I /home/fluke/deve
> l/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/libcc1/../libgcc -I ../gcc -I/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/libcc1/../gcc -I/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/g
> cc-build/./gmp -I/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/gmp -I/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-build/./mpfr/src -I/home/pmu/IPFire-development/ipfire-2.x/build/usr
> /src/gcc-11.1.0/mpfr/src -I/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/mpc/src -W -Wall -fvisibility=hidden -fcf-protection -O2 -pipe -Wall -fPIC -m64 -MT findcomp.lo -MD -MP -MF .deps/findcomp.Tpo -c /home/fl
> uke/devel/IPFire-development/ipfire-2.x/build/usr/src/gcc-11.1.0/libcc1/findcomp.cc  -fPIC -DPIC -o .libs/findcomp.o
> g++: error: unrecognized command line option '-fcf-protection'; did you mean '-fstack-protector'?
> make[4]: *** [Makefile:604: findcomp.lo] Error 1
> make[4]: Leaving directory '/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-build/libcc1'
> make[3]: *** [Makefile:441: all] Error 2
> make[3]: Leaving directory '/home/pmu/IPFire-development/ipfire-2.x/build/usr/src/gcc-build/libcc1'
> make[2]: *** [Makefile:12396: all-libcc1] Error 2
> make[2]: *** Waiting for unfinished jobs....

This leaves me a bit puzzled, as I thought "-fcf-protection" used to work before.

What am I doing wrong? :-)

Thanks, and best regards,
Peter Müller