CMAKE__ANDROID_TOOLCHAIN_SUFFIX
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Cmake/docs/3.21/variable/cmake lang android toolchain suffix
CMAKE__ANDROID_TOOLCHAIN_SUFFIX
New in version 3.7.
When Cross Compiling for Android this variable contains the host platform suffix of the toolchain GNU compiler and its binutils.
See also CMAKE__ANDROID_TOOLCHAIN_PREFIX and CMAKE__ANDROID_TOOLCHAIN_MACHINE.
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https://cmake.org/cmake/help/v3.21/variable/CMAKE_LANG_ANDROID_TOOLCHAIN_SUFFIX.html