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Make build: amend 6f2cd26103
(allow more compilers)
Allow gcc 4.7 and 4.8, but use boost regex Allow visual studio 2015.
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2a37ad9cce
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@ -291,18 +291,21 @@ if(UNIX OR MINGW)
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#message(STATUS "dumpversion: error = ${_error}, result = ${_err}")
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endif()
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message(STATUS "Using GCC version ${GCC_VERSION}")
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if(GCC_VERSION VERSION_LESS 4.9)
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# Drop support for gcc versions prior to 4.9
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message(FATAL_ERROR "gcc >= 4.9 is required.")
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if(GCC_VERSION VERSION_LESS 4.6)
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message(FATAL_ERROR "gcc >= 4.6 is required.")
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elseif(GCC_VERSION VERSION_LESS 4.9)
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# <regex> in gcc is unusable in versions less than 4.9.0
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# see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53631
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set(LYX_USE_STD_REGEX 0)
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else()
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set(LYX_USE_STD_REGEX 1)
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endif()
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endif()
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set(LYX_GCC11_MODE "${CXX11_FLAG}")
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else()
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if(MSVC_VERSION LESS 1915)
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# Drop support for msvc versions prior to 1915
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message(FATAL_ERROR "msvc >= 1915 is required.")
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if(MSVC_VERSION LESS 1900)
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# Drop support for msvc versions prior to 1900 (Visual Studio 2015)
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message(FATAL_ERROR "Visual Studio >= 2015 is required.")
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set(LYX_USE_STD_REGEX 0)
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else()
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set(LYX_USE_STD_REGEX 1)
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