ClickHouse/cmake/find_llvm.cmake
2019-06-25 00:28:10 +03:00

108 lines
4.7 KiB
CMake

# Broken in macos. TODO: update clang, re-test, enable
if (NOT APPLE)
option (ENABLE_EMBEDDED_COMPILER "Set to TRUE to enable support for 'compile' option for query execution" 1)
option (USE_INTERNAL_LLVM_LIBRARY "Use bundled or system LLVM library. Default: system library for quicker developer builds." ${APPLE})
endif ()
if (ENABLE_EMBEDDED_COMPILER)
if (USE_INTERNAL_LLVM_LIBRARY AND NOT EXISTS "${ClickHouse_SOURCE_DIR}/contrib/llvm/llvm/CMakeLists.txt")
message (WARNING "submodule contrib/llvm is missing. to fix try run: \n git submodule update --init --recursive")
set (USE_INTERNAL_LLVM_LIBRARY 0)
endif ()
if (NOT USE_INTERNAL_LLVM_LIBRARY)
set (LLVM_PATHS "/usr/local/lib/llvm")
if (LLVM_VERSION)
find_package(LLVM ${LLVM_VERSION} CONFIG PATHS ${LLVM_PATHS})
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
find_package(LLVM ${CMAKE_CXX_COMPILER_VERSION} CONFIG PATHS ${LLVM_PATHS})
else ()
#TODO:
#if(NOT LLVM_FOUND)
# find_package(LLVM 9 CONFIG PATHS ${LLVM_PATHS})
#endif()
#if(NOT LLVM_FOUND)
# find_package(LLVM 8 CONFIG PATHS ${LLVM_PATHS})
#endif()
if (NOT LLVM_FOUND)
find_package (LLVM 7 CONFIG PATHS ${LLVM_PATHS})
endif ()
if (NOT LLVM_FOUND)
find_package (LLVM 6 CONFIG PATHS ${LLVM_PATHS})
endif ()
if (NOT LLVM_FOUND)
find_package (LLVM 5 CONFIG PATHS ${LLVM_PATHS})
endif ()
endif ()
if (LLVM_FOUND)
find_library (LLD_LIBRARY_TEST lldCore PATHS ${LLVM_LIBRARY_DIRS})
find_path (LLD_INCLUDE_DIR_TEST NAMES lld/Core/AbsoluteAtom.h PATHS ${LLVM_INCLUDE_DIRS})
if (NOT LLD_LIBRARY_TEST OR NOT LLD_INCLUDE_DIR_TEST)
set (LLVM_FOUND 0)
message(WARNING "liblld (${LLD_LIBRARY_TEST}, ${LLD_INCLUDE_DIR_TEST}) not found in ${LLVM_INCLUDE_DIRS} ${LLVM_LIBRARY_DIRS}. Disabling internal compiler.")
endif ()
endif ()
if (LLVM_FOUND)
# Remove dynamically-linked zlib and libedit from LLVM's dependencies:
set_target_properties(LLVMSupport PROPERTIES INTERFACE_LINK_LIBRARIES "-lpthread;LLVMDemangle;${ZLIB_LIBRARIES}")
set_target_properties(LLVMLineEditor PROPERTIES INTERFACE_LINK_LIBRARIES "LLVMSupport")
option(LLVM_HAS_RTTI "Enable if LLVM was build with RTTI enabled" ON)
set (USE_EMBEDDED_COMPILER 1)
else()
set (USE_EMBEDDED_COMPILER 0)
endif()
if (LLVM_FOUND AND OS_LINUX AND USE_LIBCXX)
message(WARNING "Option USE_INTERNAL_LLVM_LIBRARY is not set but the LLVM library from OS packages in Linux is incompatible with libc++ ABI. LLVM Will be disabled.")
set (LLVM_FOUND 0)
set (USE_EMBEDDED_COMPILER 0)
endif ()
# TODO: fix llvm 8+ and remove:
if (LLVM_FOUND AND LLVM_VERSION_MAJOR GREATER 7)
message(WARNING "LLVM 8+ not supported yet, disabling.")
set (USE_EMBEDDED_COMPILER 0)
endif ()
else()
set (LLVM_FOUND 1)
set (USE_EMBEDDED_COMPILER 1)
set (LLVM_VERSION "7.0.0bundled")
set (LLVM_INCLUDE_DIRS
${ClickHouse_SOURCE_DIR}/contrib/llvm/llvm/include
${ClickHouse_BINARY_DIR}/contrib/llvm/llvm/include
${ClickHouse_SOURCE_DIR}/contrib/llvm/clang/include
${ClickHouse_BINARY_DIR}/contrib/llvm/clang/include
${ClickHouse_BINARY_DIR}/contrib/llvm/llvm/tools/clang/include
${ClickHouse_SOURCE_DIR}/contrib/llvm/lld/include
${ClickHouse_BINARY_DIR}/contrib/llvm/lld/include
${ClickHouse_BINARY_DIR}/contrib/llvm/llvm/tools/lld/include)
set (LLVM_LIBRARY_DIRS ${ClickHouse_BINARY_DIR}/contrib/llvm/llvm)
endif()
if (LLVM_FOUND)
message(STATUS "LLVM version: ${LLVM_PACKAGE_VERSION}")
message(STATUS "LLVM include Directory: ${LLVM_INCLUDE_DIRS}")
message(STATUS "LLVM library Directory: ${LLVM_LIBRARY_DIRS}")
message(STATUS "LLVM C++ compiler flags: ${LLVM_CXXFLAGS}")
endif()
endif()
function(llvm_libs_all REQUIRED_LLVM_LIBRARIES)
llvm_map_components_to_libnames (result all)
if (USE_STATIC_LIBRARIES OR NOT "LLVM" IN_LIST result)
list (REMOVE_ITEM result "LTO" "LLVM")
else()
set (result "LLVM")
endif ()
if (TERMCAP_LIBRARY)
list (APPEND result ${TERMCAP_LIBRARY})
endif ()
list (APPEND result ${CMAKE_DL_LIBS} ${ZLIB_LIBRARIES})
set (${REQUIRED_LLVM_LIBRARIES} ${result} PARENT_SCOPE)
endfunction()