forked from OSchip/llvm-project
118 lines
3.9 KiB
CMake
118 lines
3.9 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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cmake_minimum_required(VERSION 2.8)
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set(LLD_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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set(LLD_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
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# Compute the LLD version from the LLVM version.
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string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" LLD_VERSION
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${PACKAGE_VERSION})
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message(STATUS "LLD version: ${LLD_VERSION}")
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string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" LLD_VERSION_MAJOR
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${LLD_VERSION})
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string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" LLD_VERSION_MINOR
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${LLD_VERSION})
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# Determine LLD revision and repository.
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# TODO: Figure out a way to get the revision and the repository on windows.
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if ( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" )
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execute_process(COMMAND ${CMAKE_SOURCE_DIR}/utils/GetSourceVersion ${LLD_SOURCE_DIR}
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OUTPUT_VARIABLE LLD_REVISION)
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execute_process(COMMAND ${CMAKE_SOURCE_DIR}/utils/GetRepositoryPath ${LLD_SOURCE_DIR}
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OUTPUT_VARIABLE LLD_REPOSITORY)
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if ( LLD_REPOSITORY )
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# Replace newline characters with spaces
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string(REGEX REPLACE "(\r?\n)+" " " LLD_REPOSITORY ${LLD_REPOSITORY})
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# Remove leading spaces
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STRING(REGEX REPLACE "^[ \t\r\n]+" "" LLD_REPOSITORY "${LLD_REPOSITORY}" )
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# Remove trailing spaces
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string(REGEX REPLACE "(\ )+$" "" LLD_REPOSITORY ${LLD_REPOSITORY})
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endif()
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if ( LLD_REVISION )
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# Replace newline characters with spaces
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string(REGEX REPLACE "(\r?\n)+" " " LLD_REVISION ${LLD_REVISION})
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# Remove leading spaces
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STRING(REGEX REPLACE "^[ \t\r\n]+" "" LLD_REVISION "${LLD_REVISION}" )
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# Remove trailing spaces
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string(REGEX REPLACE "(\ )+$" "" LLD_REVISION ${LLD_REVISION})
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endif()
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endif ()
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# Configure the Version.inc file.
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/include/lld/Config/Version.inc.in
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${CMAKE_CURRENT_BINARY_DIR}/include/lld/Config/Version.inc)
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if (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
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message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
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"the makefiles distributed with LLVM. Please create a directory and run cmake "
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"from there, passing the path to this source directory as the last argument. "
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"This process created the file `CMakeCache.txt' and the directory "
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"`CMakeFiles'. Please delete them.")
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endif()
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list (APPEND CMAKE_MODULE_PATH "${LLD_SOURCE_DIR}/cmake/modules")
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option(LLD_USE_VTUNE
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"Enable VTune user task tracking."
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OFF)
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if (LLD_USE_VTUNE)
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find_package(VTune)
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if (VTUNE_FOUND)
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include_directories(${VTune_INCLUDE_DIRS})
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list(APPEND LLVM_COMMON_LIBS ${VTune_LIBRARIES})
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add_definitions(-DLLD_HAS_VTUNE)
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endif()
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endif()
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# lld requires c++11 to build. Make sure that we have a compiler and standard
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# library combination that can do that.
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if (NOT MSVC)
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# gcc and clang require the -std=c++0x or -std=c++11 flag.
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if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU|Clang" AND
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NOT ("${CMAKE_CXX_FLAGS}" MATCHES ".*-std=(c|gnu)\\+\\+(0x|11|1y).*"))
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message(FATAL_ERROR
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"lld requires c++11. Clang and gcc require -std=c++0x or -std=c++11 to "
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"enter this mode. Please set CMAKE_CXX_FLAGS accordingly.")
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endif()
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elseif (MSVC_VERSION LESS 1700)
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message(FATAL_ERROR "The selected compiler does not support c++11 which is "
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"required to build lld.")
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endif()
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if (MSVC)
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add_definitions(-wd4530) # Suppress 'warning C4530: C++ exception handler used, but unwind semantics are not enabled.'
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endif()
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include_directories(BEFORE
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${CMAKE_CURRENT_BINARY_DIR}/include
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${CMAKE_CURRENT_SOURCE_DIR}/include
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)
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if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
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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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endif()
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add_subdirectory(lib)
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add_subdirectory(tools)
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add_subdirectory(utils)
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add_subdirectory(test)
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if (LLVM_INCLUDE_TESTS)
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add_subdirectory(unittests)
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endif()
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add_subdirectory(docs)
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