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Added CMake option to link with custom libc++ [#CLICKHOUSE-2]

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Alexey Milovidov 2018-03-03 22:44:32 +03:00
parent ba481a6acd
commit a5ddca7a9c
1 changed files with 7 additions and 0 deletions
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7
CMakeLists.txt
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@ -162,6 +162,8 @@ if (ARCH_LINUX AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${GLIBC_COMPATIBILITY_LINK_FLAGS} ${CXX11_ABI_FLAGS}")
option (USE_LIBCXX "Use libc++ and libc++abi instead of libstdc++ (only make sense on Linux with Clang)" ${HAVE_LIBCXX})
set (LIBCXX_PATH "" CACHE STRING "Use custom path for libc++. It should be used for MSan.")
if (USE_LIBCXX)
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++") # Ok for clang6, for older can cause 'not used option' warning
set (CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_LIBCPP_DEBUG=0") # More checks in debug build.
@ -170,6 +172,11 @@ if (ARCH_LINUX AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
else ()
link_libraries (-stdlib=libc++ c++ c++abi)
endif ()
if (LIBCXX_PATH)
# include_directories (BEFORE SYSTEM "${LIBCXX_PATH}/include" "${LIBCXX_PATH}/include/c++/v1")
link_directories ("${LIBCXX_PATH}/lib")
endif ()
endif ()
endif ()