#message(STATUS "dumpversion: error = ${_error}, result = ${_err}")
endif()
message(STATUS "Using GCC version ${GCC_VERSION}")
- if(GCC_VERSION VERSION_LESS 4.9)
- # Drop support for gcc versions prior to 4.9
- message(FATAL_ERROR "gcc >= 4.9 is required.")
+ if(GCC_VERSION VERSION_LESS 4.6)
+ message(FATAL_ERROR "gcc >= 4.6 is required.")
+ elseif(GCC_VERSION VERSION_LESS 4.9)
+ # <regex> in gcc is unusable in versions less than 4.9.0
+ # see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53631
+ set(LYX_USE_STD_REGEX 0)
else()
- set(LYX_USE_STD_REGEX 1)
+ set(LYX_USE_STD_REGEX 1)
endif()
endif()
set(LYX_GCC11_MODE "${CXX11_FLAG}")
else()
- if(MSVC_VERSION LESS 1915)
- # Drop support for msvc versions prior to 1915
- message(FATAL_ERROR "msvc >= 1915 is required.")
+ if(MSVC_VERSION LESS 1900)
+ # Drop support for msvc versions prior to 1900 (Visual Studio 2015)
+ message(FATAL_ERROR "Visual Studio >= 2015 is required.")
set(LYX_USE_STD_REGEX 0)
else()
set(LYX_USE_STD_REGEX 1)