On 05.06.2018 02:07, Masahiro Yamada wrote: > Hi Stefan > > 2018-06-05 6:49 GMT+09:00 Stefan Agner <stefan@xxxxxxxx>: >> Hi Masahiro, >> >> On 28.05.2018 11:22, Masahiro Yamada wrote: >>> This will be useful to specify the required compiler version, >>> like this: >>> >>> config FOO >>> bool "Use Foo" >>> depends on GCC_VERSION >= 40800 >>> help >>> This feature requires GCC 4.8 or newer. >>> >> >> I tried using CC_IS_GCC today while using clang. It seems that it is set >> to y despite I am using CC=clang. >> >> .config looks like this after config: >> >> ... >> CONFIG_CC_IS_GCC=y >> CONFIG_GCC_VERSION=40201 >> CONFIG_CC_IS_CLANG=y >> CONFIG_CLANG_VERSION=60000 >> ... >> >> >> I am using clang 6.0.0 on Arch Linux, which seems to return a version >> when using gcc-version.sh: >> ./scripts/gcc-version.sh clang | sed 's/^0*//' >> 402 >> >> I guess that should not be the case? >> > > > What will 'clang --version' print on your machine? $ clang --version clang version 6.0.0 (tags/RELEASE_600/final) Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /home/ags/gcc-linaro-7.2.1-2017.11-x86_64_arm-linux-gnueabihf/bin I use a symlink to clang in my cross compiler toolchain, that is why InstalledDir points to a GCC toolchain. -- Stefan -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
