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Miscellaneous changes in CMakeLists

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This commit is contained in:
Alexey Milovidov 2019-04-11 21:58:31 +03:00
parent c78176603c
commit 3b9f3f5dbb
1 changed files with 9 additions and 3 deletions
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12
CMakeLists.txt
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@ -28,9 +28,9 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
message (FATAL_ERROR "GCC version must be at least 7. For example, if GCC 7 is available under gcc-7, g++-7 names, do the following: export CC=gcc-7 CXX=g++-7; rm -rf CMakeCache.txt CMakeFiles; and re run cmake or ./release.")
endif ()
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
# Require at least clang 5
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5)
message (FATAL_ERROR "Clang version must be at least 5.")
# Require at least clang 6
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6)
message (FATAL_ERROR "Clang version must be at least 6.")
endif ()
else ()
message (WARNING "You are using an unsupported compiler. Compilation has only been tested with Clang 5+ and GCC 7+.")
@ -99,10 +99,16 @@ if (CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64")
if (OS_LINUX AND NOT UNBUNDLED AND MAKE_STATIC_LIBRARIES AND CMAKE_VERSION VERSION_GREATER "3.9.0")
option (GLIBC_COMPATIBILITY "Set to TRUE to enable compatibility with older glibc libraries. Only for x86_64, Linux. Implies USE_INTERNAL_MEMCPY." ON)
endif ()
if (NOT CMAKE_VERSION VERSION_GREATER "3.9.0")
message (WARNING "CMake version must be greater than 3.9.0 for production builds.")
endif ()
endif ()
if (GLIBC_COMPATIBILITY)
set (USE_INTERNAL_MEMCPY ON)
else ()
message (WARNING "Option GLIBC_COMPATIBILITY must be turned on for production builds.")
endif ()
string(REGEX MATCH "-?[0-9]+(.[0-9]+)?$" COMPILER_POSTFIX ${CMAKE_CXX_COMPILER})