CMAKE_<LANG>_ANDROID_TOOLCHAIN_PREFIX

在 3.7 版被加入.

When Cross Compiling for Android this variable contains the absolute path prefixing the toolchain GNU compiler and its binutils.

See also CMAKE_<LANG>_ANDROID_TOOLCHAIN_SUFFIX and CMAKE_<LANG>_ANDROID_TOOLCHAIN_MACHINE.

For example, the path to the linker is:

${CMAKE_CXX_ANDROID_TOOLCHAIN_PREFIX}ld${CMAKE_CXX_ANDROID_TOOLCHAIN_SUFFIX}