[CMake] CHECK_CXX_COMPILER_FLAG doesn't give correct result for -fsanitize=address

[Eric Noulard]

Le jeu. 24 oct. 2019 à 22:32, Turner, Adrian Keith via CMake <
cmake at cmake.org> a écrit :

> Hi CMake Mailing List,
>
>
> I am using the CHECK_CXX_COMPILER_FLAG directive in a CMake file to
> detect whether the compiler uses the "-fsanitize=address" compiler flag.
> I'm using the g++ 7.3.0 compiler which supports this flag but the CHECK_CXX_COMPILER_FLAG
> directive incorrectly determines that this flag is not supported.
>

You get appropriate answers to your initial question.

I'll add an alternative to your hand-crafted way to get sanitizers working.

I'm using: https://github.com/arsenm/sanitizers-cmake
and I find it easy to use and convenient when compiling with either clang
or gcc.


-- 
Eric
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