19 lines
895 B
CMake
19 lines
895 B
CMake
# determine the compiler to use for C++ programs
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# NOTE, a generator may set CMAKE_CXX_COMPILER before
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# loading this file to force a compiler.
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FIND_PROGRAM(CMAKE_CXX_COMPILER_FULLPATH NAMES $ENV{CXX} c++ g++ CC aCC cl bcc )
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GET_FILENAME_COMPONENT(CMAKE_CXX_COMPILER ${CMAKE_CXX_COMPILER_FULLPATH} NAME_WE)
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# test to see if the cxx compiler is gnu
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EXEC_PROGRAM(${CMAKE_CXX_COMPILER} ARGS -E ${CMAKE_ROOT}/Modules/CMakeTestGNU.c OUTPUT_VARIABLE CMAKE_COMPILER_OUTPUT RETURN_VALUE CMAKE_COMPILER_RETURN)
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IF(NOT CMAKE_COMPILER_RETURN)
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IF(${CMAKE_COMPILER_OUTPUT} MATCHES ".*THIS_IS_GNU.*" )
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SET(CMAKE_COMPILER_IS_GNUGXX 1)
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ENDIF(${CMAKE_COMPILER_OUTPUT} MATCHES ".*THIS_IS_GNU.*" )
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ENDIF(NOT CMAKE_COMPILER_RETURN)
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# configure all variables set in this file
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CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CMakeCXXCompiler.cmake.in
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${PROJECT_BINARY_DIR}/CMakeCXXCompiler.cmake)
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