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path: root/final/cmake/DetectTestCompiler/CMakeLists.txt
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cmake_minimum_required(VERSION 2.8)
project(DetectTestCompiler C CXX)

include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)

function(write_compiler_information lang)
  set(information "${CMAKE_${lang}_COMPILER}")
  set(information "${information}\\;${CMAKE_${lang}_COMPILER_ID}")
  set(information "${information}\\;${CMAKE_${lang}_COMPILER_VERSION}")
  set(information "${information}\\;${${lang}_FLAGS}")
  file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${lang}CompilerInformation.txt ${information})
endfunction(write_compiler_information)

find_package(OpenMP)
if (NOT OpenMP_Found)
  set(OpenMP_C_FLAGS "-fopenmp")
  set(OpenMP_CXX_FLAGS "-fopenmp")
endif()

set(C_FLAGS ${flags} ${OpenMP_C_FLAGS})
set(CXX_FLAGS ${flags} ${OpenMP_CXX_FLAGS})

# TODO: Implement blockaddress in GlobalISel and remove this flag!
if (CMAKE_C_COMPILER_ID STREQUAL "Clang")
  check_c_compiler_flag("-fno-experimental-isel" C_HAS_EXPERIMENTAL_ISEL_FLAG)
  check_cxx_compiler_flag("-fno-experimental-isel" CXX_HAS_EXPERIMENTAL_ISEL_FLAG)
  macro(add_experimental_isel_flag lang)
    if (${lang}_HAS_EXPERIMENTAL_ISEL_FLAG)
      set(${lang}_FLAGS "-fno-experimental-isel ${${lang}_FLAGS}")
    endif()
  endmacro(add_experimental_isel_flag)

  add_experimental_isel_flag(C)
  add_experimental_isel_flag(CXX)
endif()

write_compiler_information(C)
write_compiler_information(CXX)