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- # Sets TARGET_ARCH to a normalized name (X86 or X86_64).
- # See https://github.com/axr/solar-cmake/blob/master/TargetArch.cmake
- include(CheckSymbolExists)
- # X86
- check_symbol_exists("_M_IX86" "" T_M_IX86)
- check_symbol_exists("__i386__" "" T_I386)
- if(T_M_IX86 OR T_I386)
- set(TARGET_ARCH "X86")
- return()
- endif()
- # X86_64
- check_symbol_exists("_M_AMD64" "" T_M_AMD64)
- check_symbol_exists("__x86_64__" "" T_X86_64)
- check_symbol_exists("__amd64__" "" T_AMD64)
- if(T_M_AMD64 OR T_X86_64 OR T_AMD64)
- set(TARGET_ARCH "X86_64")
- return()
- endif()
- message(FATAL_ERROR "Unknown target architecture")
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