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# This file is used by EnableLanguage in cmGlobalGenerator to
# determine that that selected C++ compiler can actually compile
# and link the most basic of programs. If not, a fatal 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}")
FILE(WRITE ${CMAKE_BINARY_DIR}/CMakeTmp/testCXXCompiler.cxx "int main(){return 0;}\n")
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")
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeError.log
"Determining if the CXX compiler works failed with "
"the following output:\n${OUTPUT}\n\n")
MESSAGE(FATAL_ERROR "The C++ compiler \"${CMAKE_CXX_COMPILER}\" "
"is not able to compile a simple test 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")
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeOutput.log
"Determining if the CXX compiler works passed with "
"the following output:\n${OUTPUT}\n\n")
ENDIF(NOT CMAKE_CXX_COMPILER_WORKS)
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