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42 lines
1.4 KiB
42 lines
1.4 KiB
5 years ago
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enable_language(C)
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set (lib_name "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}lib${CMAKE_STATIC_LIBRARY_SUFFIX}")
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if (CMAKE_SYSTEM_NAME STREQUAL "Windows")
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if (RunCMake_C_COMPILER_ID STREQUAL "MSVC"
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OR ("x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC" AND
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NOT CMAKE_C_COMPILER_ID STREQUAL "Clang" OR "x${CMAKE_C_COMPILER_FRONTEND_VARIANT}" STREQUAL "xMSVC"))
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if (CMAKE_SIZEOF_VOID_P EQUAL 4)
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set (undef_flag /INCLUDE:_func)
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else()
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set (undef_flag /INCLUDE:func)
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endif()
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else()
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if (CMAKE_SIZEOF_VOID_P EQUAL 4)
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set (undef_flag -u _func)
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else()
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set (undef_flag -u func)
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endif()
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endif()
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elseif (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
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set (undef_flag -u _func)
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else()
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set (undef_flag -u func)
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endif()
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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try_compile(result ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/lib.c
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COPY_FILE "${lib_name}")
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set(CMAKE_TRY_COMPILE_TARGET_TYPE EXECUTABLE)
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try_run(run_result compile_result ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/main.c
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COMPILE_OUTPUT_VARIABLE compile_out
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RUN_OUTPUT_VARIABLE run_out
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LINK_OPTIONS ${undef_flag} "${lib_name}")
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if(NOT compile_result)
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message(FATAL_ERROR "try_run(... LINK_OPTIONS ...) compilation failed:\n${compile_out}")
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endif()
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if(run_result STREQUAL "FAILED_TO_RUN")
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message(FATAL_ERROR "try_run(... LINK_OPTIONS ...) execution failed:\n${run_out}")
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endif()
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