# This file is used by EnableLanguage in cmGlobalGenerator to # determine that that selected C++ compiler can actually compile # and like the most basic of programs. If not, a fatel error # is set and cmake stops processing commands and will not generate # any makefiles or projects. IF(NOT CMAKE_CXX_COMPILER_WORKS) MESSAGE(STATUS "Check for working CXX compiler: ${CMAKE_CXX_COMPILER}") WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeTmp/testCXXCompiler.cxx "int main(){return 0;}") TRY_COMPILE(CMAKE_CXX_COMPILER_WORKS ${CMAKE_BINARY_DIR} ${CMAKE_BINARY_DIR}/CMakeTmp/testCXXCompiler.cxx OUTPUT_VARIABLE OUTPUT) ENDIF(NOT CMAKE_CXX_COMPILER_WORKS) IF(NOT CMAKE_CXX_COMPILER_WORKS) MESSAGE(STATUS "Check for working CXX compiler: ${CMAKE_CXX_COMPILER} -- broken") MESSAGE(FATAL_ERROR "The C++ compiler \"${CMAKE_CXX_COMPILER}\" " "is not able to compile a simple tests program.\nIt fails " "with the following output:\n ${OUTPUT}\n\n" "CMake will not be able to correctly generate this project.") ELSE(NOT CMAKE_CXX_COMPILER_WORKS) MESSAGE(STATUS "Check for working CXX compiler: ${CMAKE_CXX_COMPILER} -- works") ENDIF(NOT CMAKE_CXX_COMPILER_WORKS)