1c04e7fada
Fix "unknown target triple" errors when LLVM_TARGETS_TO_BUILD is empty. Adding -disable-llvm-passes reduces this to a very basic sanity check of Clang frontend. This allows the test to pass even if SPIR-V backend is not enabled, as the frontend can still generate IR for the target.
35 lines
1.1 KiB
CMake
35 lines
1.1 KiB
CMake
configure_file(${CMAKE_CURRENT_LIST_DIR}/CMakeCLCCompiler.cmake.in
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${CMAKE_PLATFORM_INFO_DIR}/CMakeCLCCompiler.cmake @ONLY)
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include(${CMAKE_PLATFORM_INFO_DIR}/CMakeCLCCompiler.cmake)
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if(CMAKE_CLC_COMPILER_FORCED)
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set(CMAKE_CLC_COMPILER_WORKS TRUE)
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return()
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endif()
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set(_test_file "${CMAKE_CURRENT_LIST_DIR}/CMakeCLCCompilerTest.cl")
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set(_test_dir "${CMAKE_PLATFORM_INFO_DIR}/CMakeTmp")
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set(_test_out "${_test_dir}/test_clc.o")
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file(MAKE_DIRECTORY "${_test_dir}")
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message(STATUS "Check for working CLC compiler: ${CMAKE_CLC_COMPILER}")
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execute_process(
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COMMAND "${CMAKE_CLC_COMPILER}" --target=spirv64-unknown-unknown -x cl -c -flto
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-disable-llvm-passes -o "${_test_out}" "${_test_file}"
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RESULT_VARIABLE _clc_result
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ERROR_VARIABLE _clc_error
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)
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if(_clc_result EQUAL 0)
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set(CMAKE_CLC_COMPILER_WORKS TRUE)
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message(STATUS "Check for working CLC compiler: ${CMAKE_CLC_COMPILER} - works")
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file(REMOVE "${_test_out}")
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else()
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message(FATAL_ERROR
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"The CLC compiler\n"
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" ${CMAKE_CLC_COMPILER}\n"
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"is not able to compile a simple OpenCL test program.\n"
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"Output:\n${_clc_error}")
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endif()
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