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Make build: amend 6f2cd26103 (allow more compilers)

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Allow gcc 4.7 and 4.8, but use boost regex

Allow visual studio 2015.
This commit is contained in:
Jean-Marc Lasgouttes 2019-06-29 16:45:38 +02:00
parent 2a37ad9cce
commit 1f90cd3b3f
1 changed files with 10 additions and 7 deletions
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15
CMakeLists.txt
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@ -291,18 +291,21 @@ if(UNIX OR MINGW)
#message(STATUS "dumpversion: error = ${_error}, result = ${_err}")
endif()
message(STATUS "Using GCC version ${GCC_VERSION}")
if(GCC_VERSION VERSION_LESS 4.9)
# Drop support for gcc versions prior to 4.9
message(FATAL_ERROR "gcc >= 4.9 is required.")
if(GCC_VERSION VERSION_LESS 4.6)
message(FATAL_ERROR "gcc >= 4.6 is required.")
elseif(GCC_VERSION VERSION_LESS 4.9)
# <regex> in gcc is unusable in versions less than 4.9.0
# see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53631
set(LYX_USE_STD_REGEX 0)
else()
set(LYX_USE_STD_REGEX 1)
endif()
endif()
set(LYX_GCC11_MODE "${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)