[Buildroot] BR2_HOST_GCC_AT_LEAST_4_8 not set but toolchain linaro-7.3-2018.05 !?

[manu f]

OK, I think I understand what's happened... my linux computer is an ubuntu
20.04 with host gcc 9.
but in the version 2018.11.4, there are no case in ../buildroot/config.in
for version 9, so the gcc host identification is broken.

Could somebody confirm ?

Le ven. 5 févr. 2021 à 20:07, manu f <e.fiancette at gmail.com> a écrit :

> Hello all,
>
> I am the wink link! :-/
> I build buildroot 2018.11.4 with external toolchain linaro-7.3-2018.05.
> I could not activate the QT5WEBENGINE because I have
> BR2_HOST_GCC_AT_LEAST_4_8 [=n]
> I check in /output/host/opt/ext-toolchain/bin$ :
>
> user at LinuxDev:~/lmn6_kernel/lmn6_system/output/host/opt/ext-toolchain/bin$
> ls
> arm-linux-gnueabihf-addr2line  arm-linux-gnueabihf-g++
> arm-linux-gnueabihf-gcov-tool  arm-linux-gnueabihf-objcopy
> arm-linux-gnueabihf-ar         arm-linux-gnueabihf-gcc
> arm-linux-gnueabihf-gdb        arm-linux-gnueabihf-objdump
> arm-linux-gnueabihf-as         arm-linux-gnueabihf-gcc-7.3.1
> arm-linux-gnueabihf-gfortran   arm-linux-gnueabihf-ranlib
> arm-linux-gnueabihf-c++        arm-linux-gnueabihf-gcc-ar
>  arm-linux-gnueabihf-gprof      arm-linux-gnueabihf-readelf
> arm-linux-gnueabihf-c++filt    arm-linux-gnueabihf-gcc-nm
>  arm-linux-gnueabihf-ld         arm-linux-gnueabihf-size
> arm-linux-gnueabihf-cpp        arm-linux-gnueabihf-gcc-ranlib
>  arm-linux-gnueabihf-ld.bfd     arm-linux-gnueabihf-strings
> arm-linux-gnueabihf-dwp        arm-linux-gnueabihf-gcov
>  arm-linux-gnueabihf-ld.gold    arm-linux-gnueabihf-strip
> arm-linux-gnueabihf-elfedit    arm-linux-gnueabihf-gcov-dump
> arm-linux-gnueabihf-nm
> user at LinuxDev:~/lmn6_kernel_mod/lmn6_system/output/host/opt/ext-toolchain/bin$
> ./arm-linux-gnueabihf-gcc -v
> Using built-in specs.
> COLLECT_GCC=./arm-linux-gnueabihf-gcc
>
> COLLECT_LTO_WRAPPER=/home/user/lmn6_kernel_mod/lmn6_system/output/host/opt/ext-toolchain/bin/../libexec/gcc/arm-linux-gnueabihf/7.3.1/lto-wrapper
> Target: arm-linux-gnueabihf
> Configured with:
> '/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-linux-gnueabihf/snapshots/gcc.git~linaro-7.3-2018.05/configure'
> SHELL=/bin/bash
> --with-mpc=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-linux-gnueabihf/_build/builds/destdir/x86_64-unknown-linux-gnu
> --with-mpfr=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-linux-gnueabihf/_build/builds/destdir/x86_64-unknown-linux-gnu
> --with-gmp=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-linux-gnueabihf/_build/builds/destdir/x86_64-unknown-linux-gnu
> --with-gnu-as --with-gnu-ld --disable-libmudflap --enable-lto
> --enable-shared --without-included-gettext --enable-nls --with-system-zlib
> --disable-sjlj-exceptions --enable-gnu-unique-object
> --enable-linker-build-id --disable-libstdcxx-pch --enable-c99
> --enable-clocale=gnu --enable-libstdcxx-debug --enable-long-long
> --with-cloog=no --with-ppl=no --with-isl=no --disable-multilib
> --with-float=hard --with-fpu=vfpv3-d16 --with-mode=thumb
> --with-tune=cortex-a9 --with-arch=armv7-a --enable-threads=posix
> --enable-multiarch --enable-libstdcxx-time=yes
> --enable-gnu-indirect-function
> --with-build-sysroot=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-linux-gnueabihf/_build/sysroots/arm-linux-gnueabihf
> --with-sysroot=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-linux-gnueabihf/_build/builds/destdir/x86_64-unknown-linux-gnu/arm-linux-gnueabihf/libc
> --enable-checking=release --disable-bootstrap
> --enable-languages=c,c++,fortran,lto --build=x86_64-unknown-linux-gnu
> --host=x86_64-unknown-linux-gnu --target=arm-linux-gnueabihf
> --prefix=/home/tcwg-buildslave/workspace/tcwg-make-release/builder_arch/amd64/label/tcwg-x86_64-build/target/arm-linux-gnueabihf/_build/builds/destdir/x86_64-unknown-linux-gnu
> Thread model: posix
> gcc version 7.3.1 20180425 [linaro-7.3-2018.05 revision
> d29120a424ecfbc167ef90065c0eeb7f91977701] (Linaro GCC 7.3-2018.05)
>
> So what's wrong?
>
> Thanks for help.
>
> Emmanuel
>
>
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