mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-26 17:41:59 +00:00
72 lines
2.9 KiB
CMake
72 lines
2.9 KiB
CMake
if (CMAKE_SYSTEM_NAME MATCHES "Linux")
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set (OS_LINUX 1)
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add_compile_definitions(OS_LINUX)
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elseif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
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set (OS_FREEBSD 1)
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add_compile_definitions(OS_FREEBSD)
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elseif (CMAKE_SYSTEM_NAME MATCHES "Darwin")
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set (OS_DARWIN 1)
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add_compile_definitions(OS_DARWIN)
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endif ()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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set (COMPILER_GCC 1)
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elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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set (COMPILER_CLANG 1)
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endif ()
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if (COMPILER_GCC)
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# Require minimum version of gcc
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set (GCC_MINIMUM_VERSION 8)
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if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS ${GCC_MINIMUM_VERSION} AND NOT CMAKE_VERSION VERSION_LESS 2.8.9)
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message (FATAL_ERROR "GCC version must be at least ${GCC_MINIMUM_VERSION}. For example, if GCC ${GCC_MINIMUM_VERSION} is available under gcc-${GCC_MINIMUM_VERSION}, g++-${GCC_MINIMUM_VERSION} names, do the following: export CC=gcc-${GCC_MINIMUM_VERSION} CXX=g++-${GCC_MINIMUM_VERSION}; rm -rf CMakeCache.txt CMakeFiles; and re run cmake or ./release.")
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endif ()
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elseif (COMPILER_CLANG)
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# Require minimum version of clang
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set (CLANG_MINIMUM_VERSION 7)
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if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS ${CLANG_MINIMUM_VERSION})
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message (FATAL_ERROR "Clang version must be at least ${CLANG_MINIMUM_VERSION}.")
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endif ()
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else ()
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message (WARNING "You are using an unsupported compiler. Compilation has only been tested with Clang 6+ and GCC 7+.")
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endif ()
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string(REGEX MATCH "-?[0-9]+(.[0-9]+)?$" COMPILER_POSTFIX ${CMAKE_CXX_COMPILER})
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if (OS_LINUX)
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find_program (LLD_PATH NAMES "lld${COMPILER_POSTFIX}" "lld")
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find_program (GOLD_PATH NAMES "ld.gold" "gold")
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endif()
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option (LINKER_NAME "Linker name or full path")
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if (NOT LINKER_NAME)
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if (COMPILER_CLANG AND LLD_PATH)
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set (LINKER_NAME "lld")
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elseif (GOLD_PATH)
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set (LINKER_NAME "gold")
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endif ()
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endif ()
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if (LINKER_NAME)
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message(STATUS "Using linker: ${LINKER_NAME} (selected from: LLD_PATH=${LLD_PATH}; GOLD_PATH=${GOLD_PATH}; COMPILER_POSTFIX=${COMPILER_POSTFIX})")
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set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=${LINKER_NAME}")
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set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fuse-ld=${LINKER_NAME}")
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endif ()
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if (CMAKE_CROSSCOMPILING)
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if (CMAKE_SYSTEM_NAME MATCHES "Darwin")
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set (CMAKE_SYSTEM_PROCESSOR x86_64)
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set (CMAKE_C_COMPILER_TARGET x86_64-apple-darwin)
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set (CMAKE_CXX_COMPILER_TARGET x86_64-apple-darwin)
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set (HAS_PRE_1970_EXITCODE "0" CACHE STRING "Result from TRY_RUN" FORCE)
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set (HAS_PRE_1970_EXITCODE__TRYRUN_OUTPUT "" CACHE STRING "Output from TRY_RUN" FORCE)
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set (HAS_POST_2038_EXITCODE "0" CACHE STRING "Result from TRY_RUN" FORCE)
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set (HAS_POST_2038_EXITCODE__TRYRUN_OUTPUT "" CACHE STRING "Output from TRY_RUN" FORCE)
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endif ()
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# Don't know why but CXX_STANDARD doesn't work for cross-compilation
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
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endif ()
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