forked from OSchip/llvm-project
224 lines
7.3 KiB
CMake
224 lines
7.3 KiB
CMake
# If we are not building as a part of LLVM, build Clang as an
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# standalone project, using LLVM as an external library:
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if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )
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project(Clang)
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cmake_minimum_required(VERSION 2.8)
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set(CLANG_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(CLANG_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( CLANG_PATH_TO_LLVM_SOURCE )
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if( NOT EXISTS "${CLANG_PATH_TO_LLVM_SOURCE}/cmake/config-ix.cmake" )
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message(FATAL_ERROR "Please set CLANG_PATH_TO_LLVM_SOURCE to the root directory of LLVM source code.")
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else()
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get_filename_component(LLVM_MAIN_SRC_DIR ${CLANG_PATH_TO_LLVM_SOURCE}
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ABSOLUTE)
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list(APPEND CMAKE_MODULE_PATH "${LLVM_MAIN_SRC_DIR}/cmake/modules")
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endif()
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endif()
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if( NOT EXISTS "${CLANG_PATH_TO_LLVM_BUILD}/bin/tblgen${CMAKE_EXECUTABLE_SUFFIX}" )
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message(FATAL_ERROR "Please set CLANG_PATH_TO_LLVM_BUILD to a directory containing a LLVM build.")
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endif()
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list(APPEND CMAKE_MODULE_PATH "${CLANG_PATH_TO_LLVM_BUILD}/share/llvm/cmake")
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get_filename_component(PATH_TO_LLVM_BUILD ${CLANG_PATH_TO_LLVM_BUILD}
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ABSOLUTE)
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include(AddLLVM)
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include(TableGen)
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include("${CLANG_PATH_TO_LLVM_BUILD}/share/llvm/cmake/LLVM.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" "${LLVM_MAIN_INCLUDE_DIR}")
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if( NOT PATH_TO_LLVM_BUILD STREQUAL LLVM_MAIN_SRC_DIR )
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include_directories("${LLVM_MAIN_INCLUDE_DIR}")
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endif()
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link_directories("${PATH_TO_LLVM_BUILD}/lib")
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set(LLVM_TABLEGEN_EXE "${PATH_TO_LLVM_BUILD}/bin/tblgen")
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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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add_definitions( -D__STDC_LIMIT_MACROS )
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add_definitions( -D__STDC_CONSTANT_MACROS )
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set( CLANG_BUILT_STANDALONE 1 )
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endif()
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set(CLANG_RESOURCE_DIR "" CACHE STRING
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"Relative directory from the Clang binary to its resource files.")
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set(C_INCLUDE_DIRS "" CACHE STRING
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"Colon separated list of directories clang will search for headers.")
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set(CLANG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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set(CLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
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if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
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message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
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"the makefiles distributed with LLVM. Please create a directory and run cmake "
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"from there, passing the path to this source directory as the last argument. "
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"This process created the file `CMakeCache.txt' and the directory "
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"`CMakeFiles'. Please delete them.")
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endif()
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if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
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file(GLOB_RECURSE
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tablegenned_files_on_include_dir
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"${CLANG_SOURCE_DIR}/include/clang/*.inc")
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if( tablegenned_files_on_include_dir )
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message(FATAL_ERROR "Apparently there is a previous in-source build, "
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"probably as the result of running `configure' and `make' on "
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"${CLANG_SOURCE_DIR}. This may cause problems. The suspicious files are:\n"
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"${tablegenned_files_on_include_dir}\nPlease clean the source directory.")
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endif()
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endif()
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# Compute the Clang version from the LLVM version.
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string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
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${PACKAGE_VERSION})
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message(STATUS "Clang version: ${CLANG_VERSION}")
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string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" CLANG_VERSION_MAJOR
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${CLANG_VERSION})
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string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" CLANG_VERSION_MINOR
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${CLANG_VERSION})
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if (${CLANG_VERSION} MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+")
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set(CLANG_HAS_VERSION_PATCHLEVEL 1)
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string(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" CLANG_VERSION_PATCHLEVEL
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${CLANG_VERSION})
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else()
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set(CLANG_HAS_VERSION_PATCHLEVEL 0)
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endif()
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# Configure the Version.inc file.
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/include/clang/Basic/Version.inc.in
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${CMAKE_CURRENT_BINARY_DIR}/include/clang/Basic/Version.inc)
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# Add appropriate flags for GCC
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if (CMAKE_COMPILER_IS_GNUCXX)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual -Wcast-qual -fno-strict-aliasing -pedantic -Wno-long-long -Wall -W -Wno-unused-parameter -Wwrite-strings")
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endif ()
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if (APPLE)
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set(CMAKE_MODULE_LINKER_FLAGS "-Wl,-flat_namespace -Wl,-undefined -Wl,suppress")
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endif ()
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configure_file(
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${CLANG_SOURCE_DIR}/include/clang/Config/config.h.cmake
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${CLANG_BINARY_DIR}/include/clang/Config/config.h)
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macro(add_clang_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 ${CMAKE_CURRENT_SOURCE_DIR})
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list( GET split_path -1 dir)
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file( GLOB_RECURSE headers
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../../../include/clang/StaticAnalyzer${dir}/*.h
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../../../include/clang/StaticAnalyzer${dir}/*.td
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../../../include/clang/StaticAnalyzer${dir}/*.def
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../../include/clang${dir}/*.h
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../../include/clang${dir}/*.td
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../../include/clang${dir}/*.def)
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set(srcs ${srcs} ${headers})
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endif(MSVC_IDE OR XCODE)
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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( LLVM_COMMON_DEPENDS )
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if( LLVM_USED_LIBS )
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foreach(lib ${LLVM_USED_LIBS})
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target_link_libraries( ${name} ${lib} )
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endforeach(lib)
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endif( LLVM_USED_LIBS )
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if( LLVM_LINK_COMPONENTS )
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llvm_config(${name} ${LLVM_LINK_COMPONENTS})
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endif( LLVM_LINK_COMPONENTS )
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if (LLVM_COMMON_LIBS)
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target_link_libraries(${name} ${LLVM_COMMON_LIBS})
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endif()
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if( NOT MINGW )
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get_system_libs(llvm_system_libs)
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if( llvm_system_libs )
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target_link_libraries(${name} ${llvm_system_libs})
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endif()
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endif()
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add_dependencies(${name} ClangDiagnosticCommon)
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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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endmacro(add_clang_library)
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macro(add_clang_executable name)
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add_llvm_executable( ${name} ${ARGN} )
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endmacro(add_clang_executable)
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include_directories(
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${CMAKE_CURRENT_SOURCE_DIR}/include
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${CMAKE_CURRENT_BINARY_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 "*.def"
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PATTERN "*.h"
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PATTERN "*.td"
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PATTERN ".svn" EXCLUDE
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)
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install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
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DESTINATION include
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FILES_MATCHING
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PATTERN "CMakeFiles" EXCLUDE
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PATTERN "*.inc"
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)
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add_definitions( -D_GNU_SOURCE -DHAVE_CLANG_CONFIG_H )
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option(CLANG_BUILD_EXAMPLES "Build CLANG example programs." OFF)
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if(CLANG_BUILD_EXAMPLES)
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add_subdirectory(examples)
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endif ()
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add_subdirectory(include)
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add_subdirectory(lib)
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add_subdirectory(tools)
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add_subdirectory(runtime)
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# TODO: docs.
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add_subdirectory(test)
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# FIXME: unittests require gtest.
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if( NOT CLANG_BUILT_STANDALONE )
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add_subdirectory(unittests)
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endif()
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