Only run the failure tests with gcc >= 4.2
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@ -74,9 +74,24 @@ macro(_do_build Include Library LibrarySource Source)
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)
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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 "${_gcc_version_info}")
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endif()
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if(${_gcc_version} VERSION_LESS "4.2")
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set(GCC_IS_LESS_THAN_4_2 TRUE)
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message(WARNING "GCC version older than 4.2. Actual version: ${_gcc_version}")
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endif()
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endif()
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macro(build_fail Include Library LibrarySource Source Message)
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_do_build(${Include} ${Library} ${LibrarySource} "${Source}")
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if((USE_COMPILER_HIDDEN_VISIBILITY AND COMPILER_HAS_HIDDEN_VISIBILITY) OR WIN32 OR (${CMAKE_CXX_COMPILER_ID} MATCHES Clang))
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if(NOT GCC_IS_LESS_THAN_4_2 AND (USE_COMPILER_HIDDEN_VISIBILITY AND COMPILER_HAS_HIDDEN_VISIBILITY) OR WIN32 OR (${CMAKE_CXX_COMPILER_ID} MATCHES Clang))
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test_fail(Result ${Message})
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else()
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test_pass(Result ${Message})
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