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29 lines
1.1 KiB
CMake
29 lines
1.1 KiB
CMake
if(NOT DEFINED ENV{VSCMD_VER} OR
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NOT "$ENV{VSCMD_ARG_TGT_ARCH}" MATCHES "^(x64|amd64)$" OR
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NOT "$ENV{VSCMD_ARG_HOST_ARCH}" MATCHES "^(x64|amd64)$")
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message(FATAL_ERROR
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"The windows-clangcl preset requires the x64 Native Tools environment; "
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"open an x64 Native Tools command prompt and configure again")
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endif()
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find_program(LG_WINDOWS_CLANG_CL
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NAMES clang-cl
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PATHS "$ENV{VCINSTALLDIR}/Tools/Llvm/x64/bin"
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NO_DEFAULT_PATH
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REQUIRED)
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execute_process(
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COMMAND "${LG_WINDOWS_CLANG_CL}" -print-target-triple
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RESULT_VARIABLE LG_WINDOWS_CLANG_RESULT
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OUTPUT_VARIABLE LG_WINDOWS_CLANG_TARGET
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ERROR_VARIABLE LG_WINDOWS_CLANG_ERROR
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(NOT LG_WINDOWS_CLANG_RESULT EQUAL 0 OR
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NOT LG_WINDOWS_CLANG_TARGET MATCHES "^x86_64-")
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message(FATAL_ERROR
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"The x64 Native Tools environment selected an invalid clang-cl: "
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"${LG_WINDOWS_CLANG_ERROR}${LG_WINDOWS_CLANG_TARGET}")
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endif()
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set(CMAKE_C_COMPILER "${LG_WINDOWS_CLANG_CL}" CACHE FILEPATH "" FORCE)
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set(CMAKE_CXX_COMPILER "${LG_WINDOWS_CLANG_CL}" CACHE FILEPATH "" FORCE)
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