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authorMasahiro Yamada <yamada.masahiro@socionext.com>2018-05-28 18:21:58 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2018-05-29 03:31:19 +0900
commit21c54b774744719c386fbdc829b0e7759edb8ece (patch)
treea9bd2cbf112b8f8f5d5aa27bcff1fa92f726cadd /crypto
parent2bece88f89faad8d2e5499652e2bd5f2045ec92a (diff)
downloadtalos-obmc-linux-21c54b774744719c386fbdc829b0e7759edb8ece.tar.gz
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kconfig: show compiler version text in the top comment
The kernel configuration phase is now tightly coupled with the compiler in use. It will be nice to show the compiler information in Kconfig. The compiler information will be displayed like this: $ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- config scripts/kconfig/conf --oldaskconfig Kconfig * * Linux/arm64 4.16.0-rc1 Kernel Configuration * * * Compiler: aarch64-linux-gnu-gcc (Linaro GCC 7.2-2017.11) 7.2.1 20171011 * * * General setup * Compile also drivers which will not load (COMPILE_TEST) [N/y/?] If you use GUI methods such as menuconfig, it will be displayed in the top menu. This is simply implemented by using the 'comment' statement. So, it will be saved into the .config file as well. This commit has a very important meaning. If the compiler is upgraded, Kconfig must be re-run since different compilers have different sets of supported options. All referenced environments are written to include/config/auto.conf.cmd so that any environment change triggers syncconfig, and prompt the user to input new values if needed. With this commit, something like follows will be added to include/config/auto.conf.cmd ifneq "$(CC_VERSION_TEXT)" "aarch64-linux-gnu-gcc (Linaro GCC 7.2-2017.11) 7.2.1 20171011" include/config/auto.conf: FORCE endif Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'crypto')
0 files changed, 0 insertions, 0 deletions
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