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if(NOT COMMAND check_cxx_source_compiles)
include(CheckCXXSourceCompiles)
endif()
macro(define_target_variables)
check_cxx_source_compiles("int main() { return __i386__; }" i386)
check_cxx_source_compiles("int main() { return __x86_64__; }" x86_64)
check_cxx_source_compiles("int main() { return __s390__; }" s390)
if(APPLE)
check_cxx_source_compiles("int main() { return __arm64__; }" ARM)
check_cxx_source_compiles("int main() { return __ppc64__; }" PPC64)
check_cxx_source_compiles("int main() { return __ppc__; }" PPC)
else()
check_cxx_source_compiles("int main() { return __arm__; }" ARM)
check_cxx_source_compiles("int main() { return __PPC64__; }" PPC64)
check_cxx_source_compiles("int main() { return __PPC__; }" PPC)
endif()
check_cxx_source_compiles("int main() { return __FreeBSD__; }" FreeBSD)
check_cxx_source_compiles("int main() { return __MINGW__; }" MINGW)
check_cxx_source_compiles("int main() { return __linux; }" LINUX)
check_cxx_source_compiles("int main() { return __APPLE__; }" OSX)
endmacro()
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