66 lines
2.3 KiB
CMake
66 lines
2.3 KiB
CMake
cmake_minimum_required(VERSION 2.8)
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project(CheckCXXCompilerFlag)
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message(STATUS "CTEST_FULL_OUTPUT (Avoid ctest truncation of output)")
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set(CMAKE_VERBOSE_MAKEFILE 1)
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macro(TEST_FAIL value msg)
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if (${value})
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message (SEND_ERROR "Test fail:" ${msg} ${Out} )
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endif ()
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endmacro()
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macro(TEST_PASS value msg)
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if (NOT ${value})
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message (SEND_ERROR "Test fail:" ${msg} ${Out} )
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endif ()
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endmacro()
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if(CMAKE_COMPILER_IS_GNUCXX)
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exec_program(${CMAKE_C_COMPILER} ARGS --version OUTPUT_VARIABLE _gcc_version_info)
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string (REGEX MATCH "[345]\\.[0-9]\\.[0-9]" _gcc_version "${_gcc_version_info}")
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# gcc on mac just reports: "gcc (GCC) 3.3 20030304 ..." without the
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# patch level, handle this here:
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if(NOT _gcc_version)
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string (REGEX REPLACE ".*\\(GCC\\).* ([34]\\.[0-9]) .*" "\\1.0" _gcc_version "${_gcc_version_info}")
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endif()
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endif()
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if(CMAKE_CXX_COMPILER_ID MATCHES Clang)
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exec_program(${CMAKE_CXX_COMPILER} ARGS --version OUTPUT_VARIABLE _clang_version_info)
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string (REGEX REPLACE ".*version ([0-9]\\.[0-9]).*" "\\1" _clang_version "${_clang_version_info}")
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endif()
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if(CMAKE_CXX_COMPILER_ID MATCHES Intel)
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exec_program(${CMAKE_CXX_COMPILER} ARGS -V OUTPUT_VARIABLE _intel_version_info)
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string (REGEX REPLACE ".*Version ([0-9]+(\\.[0-9]+)+).*" "\\1" _intel_version "${_intel_version_info}")
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endif()
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message("Platform:\n WIN32: ${WIN32}\n UNIX: ${UNIX}\n APPLE: ${APPLE}\n MINGW: ${MINGW}\n CYGWIN: ${CYGWIN}\n"
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" MSVC: ${MSVC}\n MSVC60: ${MSVC60}\n MSVC70: ${MSVC70}\n MSVC71: ${MSVC71}\n MSVC80: ${MSVC80}\n MSVC90: ${MSVC90}\n MSVC10: ${MSVC10}\n"
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" GCC: ${_gcc_version}\n"
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" Clang: ${_clang_version}\n"
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" Intel: ${_intel_version}\n"
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)
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include(CheckCXXCompilerFlag)
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check_cxx_compiler_flag(-fvisibility=hidden HAS_HIDDEN_VISIBILITY)
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message("HAS_HIDDEN_VISIBILITY: ${HAS_HIDDEN_VISIBILITY}\n\nCOMPILE OUTPUT:\n${OUTPUT}")
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if(CMAKE_COMPILER_IS_GNUCXX)
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if(NOT WIN32)
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# test_pass(HAS_HIDDEN_VISIBILITY "GCC should support hidden visibility, but does not.")
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endif()
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else()
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message("Unhandled Platform")
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endif()
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if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
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check_cxx_compiler_flag("-x c++" HAVE_X_CXX)
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if(NOT HAVE_X_CXX)
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message(FATAL_ERROR "${CMAKE_CXX_COMPILER_ID} compiler flag '-x c++' check failed")
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endif()
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endif()
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