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45 lines
1.7 KiB
CMake
45 lines
1.7 KiB
CMake
include(CheckCSourceCompiles)
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include(CMakePushCheckState)
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function(_internal_check_cpu_architecture macro_check NAME VARIABLE)
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cmake_push_check_state()
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string(TOUPPER "${NAME}" UPPER_NAME)
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set(CACHE_VARIABLE "CHECK_CPU_ARCHITECTURE_${UPPER_NAME}")
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set(test_src "
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int main(int argc, char *argv[]) {
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#if ${macro_check}
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return 0;
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#else
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choke
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#endif
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}
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")
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check_c_source_compiles("${test_src}" "${CACHE_VARIABLE}")
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cmake_pop_check_state()
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if(${CACHE_VARIABLE})
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set(${VARIABLE} "TRUE" PARENT_SCOPE)
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else()
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set(${VARIABLE} "FALSE" PARENT_SCOPE)
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endif()
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endfunction()
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function(check_cpu_architecture ARCH VARIABLE)
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if(ARCH STREQUAL "x86")
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_internal_check_cpu_architecture("defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) ||defined( __i386) || defined(_M_IX86)" x86 ${VARIABLE})
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elseif(ARCH STREQUAL "x64")
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_internal_check_cpu_architecture("defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)" x64 ${VARIABLE})
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elseif(ARCH STREQUAL "arm32")
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_internal_check_cpu_architecture("defined(__arm__) || defined(_M_ARM)" arm32 ${VARIABLE})
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elseif(ARCH STREQUAL "arm64")
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_internal_check_cpu_architecture("defined(__aarch64__) || defined(_M_ARM64)" arm64 ${VARIABLE})
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elseif(ARCH STREQUAL "loongarch64")
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_internal_check_cpu_architecture("defined(__loongarch64)" loongarch64 ${VARIABLE})
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elseif(ARCH STREQUAL "emscripten")
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_internal_check_cpu_architecture("defined(__EMSCRIPTEN__)" emscripten ${VARIABLE})
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else()
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message(WARNING "Unknown CPU architectures (${ARCH}).")
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set(${VARIABLE} FALSE)
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endif()
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set("${VARIABLE}" "${${VARIABLE}}" PARENT_SCOPE)
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endfunction()
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