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1macro(_CHECK_CPU_ARCH ARCH ARCH_DEFINES VARIABLE)
2    if(NOT DEFINED HAVE_${VARIABLE})
3        message(STATUS "Check CPU architecture is ${ARCH}")
4        set(CHECK_CPU_ARCH_DEFINES ${ARCH_DEFINES})
5        configure_file(${PROJECT_SOURCE_DIR}/cmake/CheckCPUArch.c.in ${PROJECT_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckCPUArch.c @ONLY)
6        try_compile(HAVE_${VARIABLE} "${PROJECT_BINARY_DIR}"
7            "${PROJECT_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckCPUArch.c")
8        if(HAVE_${VARIABLE})
9            message(STATUS "Check CPU architecture is ${ARCH} - yes")
10            set(${VARIABLE} 1 CACHE INTERNAL "Result of CHECK_CPU_ARCH" FORCE)
11        else ()
12            message(STATUS "Check CPU architecture is ${ARCH} - no")
13        endif()
14    endif ()
15endmacro(_CHECK_CPU_ARCH)
16
17macro(CHECK_CPU_ARCH_X64 VARIABLE)
18    _CHECK_CPU_ARCH(x64 "defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)" ${VARIABLE})
19endmacro(CHECK_CPU_ARCH_X64)
20
21macro(CHECK_CPU_ARCH_X86 VARIABLE)
22    _CHECK_CPU_ARCH(x86 "defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) ||defined( __i386) || defined(_M_IX86)" ${VARIABLE})
23endmacro(CHECK_CPU_ARCH_X86)
24
25macro(CHECK_CPU_ARCH_ARM64 VARIABLE)
26    _CHECK_CPU_ARCH(arm64 "defined(__aarch64__) || defined(__arm64__)" ${VARIABLE})
27endmacro(CHECK_CPU_ARCH_ARM64)
28