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1cmake_minimum_required(VERSION 3.20.0)2project(DetectTestCompiler C CXX)3 4include(CheckCCompilerFlag)5include(CheckCXXCompilerFlag)6include(CheckIncludeFile)7include(CheckIncludeFileCXX)8 9function(write_compiler_information lang)10 set(information "${CMAKE_${lang}_COMPILER}")11 set(information "${information}\\;${CMAKE_${lang}_COMPILER_ID}")12 set(information "${information}\\;${CMAKE_${lang}_COMPILER_VERSION}")13 set(information "${information}\\;${${lang}_FLAGS}")14 set(information "${information}\\;${${lang}_HAS_TSAN_FLAG}")15 set(information "${information}\\;${${lang}_HAS_OMIT_FRAME_POINTER}")16 set(information "${information}\\;${${lang}_HAS_OMP_H}")17 file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${lang}CompilerInformation.txt ${information})18endfunction(write_compiler_information)19 20find_package(OpenMP)21if (NOT OpenMP_Found)22 set(OpenMP_C_FLAGS "-fopenmp")23 set(OpenMP_CXX_FLAGS "-fopenmp")24endif()25 26set(CMAKE_THREAD_PREFER_PTHREAD TRUE)27set(THREADS_PREFER_PTHREAD_FLAG TRUE)28find_package(Threads REQUIRED)29 30set(C_FLAGS "${OpenMP_C_FLAGS} ${CMAKE_THREAD_LIBS_INIT}")31set(CXX_FLAGS "${OpenMP_CXX_FLAGS} ${CMAKE_THREAD_LIBS_INIT}")32 33check_c_compiler_flag("-fno-omit-frame-pointer" C_HAS_OMIT_FRAME_POINTER)34check_cxx_compiler_flag("-fno-omit-frame-pointer" CXX_HAS_OMIT_FRAME_POINTER)35 36set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})37set(CMAKE_REQUIRED_FLAGS "-fsanitize=thread")38check_c_compiler_flag("" C_HAS_TSAN_FLAG)39check_cxx_compiler_flag("" CXX_HAS_TSAN_FLAG)40set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})41 42# Check if omp.h header exists for the test compiler43check_include_file_cxx(omp.h CXX_HAS_OMP_H)44check_include_file(omp.h C_HAS_OMP_H)45 46write_compiler_information(C)47write_compiler_information(CXX)48