forked from OSchip/llvm-project
140 lines
4.3 KiB
CMake
140 lines
4.3 KiB
CMake
# If we are not building as a part of LLVM, build lld as a standalone project,
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# using LLVM as an external library.
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if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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project(lld)
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cmake_minimum_required(VERSION 2.8)
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set(LLD_PATH_TO_LLVM_SOURCE "" CACHE PATH
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"Path to LLVM source code. Not necessary if using an installed LLVM.")
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set(LLD_PATH_TO_LLVM_BUILD "" CACHE PATH
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"Path to the directory where LLVM was built or installed.")
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if (LLD_PATH_TO_LLVM_SOURCE)
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if (NOT EXISTS "${LLD_PATH_TO_LLVM_SOURCE}/cmake/config-ix.cmake")
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message(FATAL_ERROR "Please set LLD_PATH_TO_LLVM_SOURCE to the root "
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"directory of LLVM source code.")
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else()
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get_filename_component(LLVM_MAIN_SRC_DIR ${LLD_PATH_TO_LLVM_SOURCE}
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ABSOLUTE)
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list(APPEND CMAKE_MODULE_PATH "${LLVM_MAIN_SRC_DIR}/cmake/modules")
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endif()
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endif()
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list(APPEND CMAKE_MODULE_PATH "${LLD_PATH_TO_LLVM_BUILD}/share/llvm/cmake")
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get_filename_component(PATH_TO_LLVM_BUILD ${LLD_PATH_TO_LLVM_BUILD}
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ABSOLUTE)
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include(AddLLVM)
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include("${LLD_PATH_TO_LLVM_BUILD}/share/llvm/cmake/LLVMConfig.cmake")
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include(HandleLLVMOptions)
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set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")
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set(LLVM_MAIN_INCLUDE_DIR "${LLVM_MAIN_SRC_DIR}/include")
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set(LLVM_BINARY_DIR ${CMAKE_BINARY_DIR})
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set(CMAKE_INCLUDE_CURRENT_DIR ON)
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include_directories("${PATH_TO_LLVM_BUILD}/include"
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"${LLVM_MAIN_INCLUDE_DIR}")
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link_directories("${PATH_TO_LLVM_BUILD}/lib")
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
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set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
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set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
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set(LLD_BUILT_STANDALONE 1)
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endif()
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set(LLD_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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set(LLD_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
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if (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
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message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
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"the makefiles distributed with LLVM. Please create a directory and run cmake "
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"from there, passing the path to this source directory as the last argument. "
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"This process created the file `CMakeCache.txt' and the directory "
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"`CMakeFiles'. Please delete them.")
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endif()
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#
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# lld now requires C++11 to build
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#
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# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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if (NOT MSVC)
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include(CheckCXXCompilerFlag)
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check_cxx_compiler_flag("-std=c++0x" SUPPORTS_CXX11_FLAG)
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if( SUPPORTS_CXX11_FLAG )
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message(STATUS "Building with -std=c++0x")
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set(CMAKE_CXX_FLAGS "-std=c++0x ${CMAKE_CXX_FLAGS}")
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else( SUPPORTS_CXX11_FLAG )
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message(WARNING "-std=c++0x not supported.")
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endif()
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endif()
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macro(add_lld_library name)
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llvm_process_sources(srcs ${ARGN})
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if (MSVC_IDE OR XCODE)
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string(REGEX MATCHALL "/[^/]+" split_path ${CMAKE_CURRENT_SOURCE_DIR})
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list(GET split_path -1 dir)
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file(GLOB_RECURSE headers
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../../include/lld${dir}/*.h)
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set(srcs ${srcs} ${headers})
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endif()
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if (MODULE)
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set(libkind MODULE)
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elseif (SHARED_LIBRARY)
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set(libkind SHARED)
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else()
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set(libkind)
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endif()
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add_library(${name} ${libkind} ${srcs})
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if (LLVM_COMMON_DEPENDS)
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add_dependencies(${name} ${LLVM_COMMON_DEPENDS})
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endif()
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target_link_libraries(${name} ${LLVM_USED_LIBS})
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llvm_config(${name} ${LLVM_LINK_COMPONENTS})
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target_link_libraries(${name} ${LLVM_COMMON_LIBS})
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link_system_libs(${name})
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if(MSVC)
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get_target_property(cflag ${name} COMPILE_FLAGS)
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if(NOT cflag)
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set(cflag "")
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endif(NOT cflag)
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set(cflag "${cflag} /Za")
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set_target_properties(${name} PROPERTIES COMPILE_FLAGS ${cflag})
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endif(MSVC)
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install(TARGETS ${name}
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LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
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ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
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set_target_properties(${name} PROPERTIES FOLDER "lld libraries")
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endmacro(add_lld_library)
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macro(add_lld_executable name)
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add_llvm_executable(${name} ${ARGN})
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set_target_properties(${name} PROPERTIES FOLDER "lld executables")
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endmacro(add_lld_executable)
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include_directories(BEFORE
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${CMAKE_CURRENT_BINARY_DIR}/include
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${CMAKE_CURRENT_SOURCE_DIR}/include
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)
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install(DIRECTORY include/
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DESTINATION include
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FILES_MATCHING
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PATTERN "*.h"
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PATTERN ".svn" EXCLUDE
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)
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add_subdirectory(lib)
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add_subdirectory(tools)
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add_subdirectory(test)
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