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authorMasahiro Yamada <yamada.masahiro@socionext.com>2019-03-01 16:10:21 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2019-03-04 22:34:59 +0900
commitd3a918c659ed0998ac668de3973e81bab81dde74 (patch)
tree31f247bad04c26b04ed824cec7d3ada47d2bba1e /scripts/Kconfig.include
parent00250b52190bc30fb83ea464d9e921b53c07aaa1 (diff)
kbuild: remove cc-version macro
There is no more direct user of this macro; it is only used by cc-ifversion. Calling this macro is not efficient since it invokes the compiler to get the compiler version. CONFIG_GCC_VERSION is already calculated in the Kconfig stage, so Makefile can reuse it. Here is a note about the slight difference between cc-version and CONFIG_GCC_VERSION: When using Clang, cc-version is evaluated to '0402' because Clang defines __GNUC__ and __GNUC__MINOR__, and looks like GCC 4.2 in the version point of view. On the other hand, CONFIG_GCC_VERSION=0 when $(CC) is clang. There are currently two users of cc-ifversion: arch/mips/loongson64/Platform arch/powerpc/Makefile They are not affected by this change. The format of cc-version is <major><minor>, while CONFIG_GCC_VERSION <major><minor><patch>. I adjusted cc-ifversion for the difference of the number of digits. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'scripts/Kconfig.include')
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