# See docs/CMake.html for instructions about how to build LLVM with CMake. project(LLVM) cmake_minimum_required(VERSION 2.8) # Add path for custom modules set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" ) set(PACKAGE_VERSION "3.1svn") set_property(GLOBAL PROPERTY USE_FOLDERS ON) include(VersionFromVCS) option(LLVM_APPEND_VC_REV "Append the version control system revision id to LLVM version" OFF) if( LLVM_APPEND_VC_REV ) add_version_info_from_vcs(PACKAGE_VERSION) endif() set(PACKAGE_NAME llvm) set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu") # Sanity check our source directory to make sure that we are not trying to # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make # sure that we don't have any stray generated files lying around in the tree # (which would end up getting picked up by header search, instead of the correct # versions). if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE ) message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite the makefiles distributed with LLVM. Please create a directory and run cmake from there, passing the path to this source directory as the last argument. This process created the file `CMakeCache.txt' and the directory `CMakeFiles'. Please delete them.") endif() if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR ) file(GLOB_RECURSE tablegenned_files_on_include_dir "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen") file(GLOB_RECURSE tablegenned_files_on_lib_dir "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc") if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir) message(FATAL_ERROR "Apparently there is a previous in-source build, probably as the result of running `configure' and `make' on ${CMAKE_CURRENT_SOURCE_DIR}. This may cause problems. The suspicious files are: ${tablegenned_files_on_lib_dir} ${tablegenned_files_on_include_dir} Please clean the source directory.") endif() endif() string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE) set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}) set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include) set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin) set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples) set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" ) set(LLVM_ALL_TARGETS ARM CBackend CellSPU CppBackend Mips MBlaze MSP430 PowerPC PTX Sparc X86 XCore ) # List of targets with JIT support: set(LLVM_TARGETS_WITH_JIT X86 PowerPC ARM Mips) if( MSVC ) set(LLVM_TARGETS_TO_BUILD X86 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".") else( MSVC ) set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} CACHE STRING "Semicolon-separated list of targets to build, or \"all\".") endif( MSVC ) option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON) if(LLVM_ENABLE_CBE_PRINTF_A) set(ENABLE_CBE_PRINTF_A 1) endif() option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON) if(LLVM_ENABLE_TIMESTAMPS) set(ENABLE_TIMESTAMPS 1) endif() option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF) set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so") set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h") set(LLVM_TARGET_ARCH "host" CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.") option(LLVM_ENABLE_THREADS "Use threads if available." ON) if( LLVM_TARGETS_TO_BUILD STREQUAL "all" ) set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} ) endif() set(LLVM_ENUM_TARGETS "") foreach(c ${LLVM_TARGETS_TO_BUILD}) list(FIND LLVM_ALL_TARGETS ${c} idx) if( idx LESS 0 ) message(FATAL_ERROR "The target `${c}' does not exist. It should be one of\n${LLVM_ALL_TARGETS}") else() set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n") endif() endforeach(c) set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm) include(AddLLVMDefinitions) option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON) # MSVC has a gazillion warnings with this. if( MSVC ) option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF) else( MSVC ) option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON) endif() option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON) option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF) if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" ) option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF) else() option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON) endif() # Define an option controlling whether we should build for 32-bit on 64-bit # platforms, where supported. if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 ) # TODO: support other platforms and toolchains. option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF) endif() # Define the default arguments to use with 'lit', and an option for the user to # override. set(LIT_ARGS_DEFAULT "-sv") if (MSVC OR XCODE) set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar") endif() set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit") # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools. if( WIN32 AND NOT CYGWIN ) set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools") endif() # On Win32 using MS tools, provide an option to set the number of parallel jobs # to use. if( MSVC_IDE AND ( MSVC90 OR MSVC10 ) ) # Only Visual Studio 2008 and 2010 officially supports /MP. Visual Studio # 2005 supports it but it is experimental. set(LLVM_COMPILER_JOBS "0" CACHE STRING "Number of parallel compiler jobs. 0 means use all processors. Default is 0.") endif() # Define options to control the inclusion and default build behavior for # components which may not strictly be necessary (tools, runtime, examples, and # tests). # # This is primarily to support building smaller or faster project files. option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON) option(LLVM_BUILD_TOOLS "Build the LLVM tools. If OFF, just generate build targets." ON) option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON) option(LLVM_BUILD_RUNTIME "Build the LLVM runtime libraries. If OFF, just generate build targets." ON) option(LLVM_BUILD_EXAMPLES "Build the LLVM example programs. If OFF, just generate build targets." OFF) option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON) option(LLVM_BUILD_TESTS "Build LLVM unit tests. If OFF, just generate build targets." OFF) option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON) # All options referred to from HandleLLVMOptions have to be specified # BEFORE this include, otherwise options will not be correctly set on # first cmake run include(config-ix) include(HandleLLVMOptions) # Verify that we can find a Python interpreter, include(FindPythonInterp) if( NOT PYTHONINTERP_FOUND ) message(FATAL_ERROR "Unable to find Python interpreter, required for builds and testing. Please install Python or specify the PYTHON_EXECUTABLE CMake variable.") endif() ###### # LLVMBuild Integration # # We use llvm-build to generate all the data required by the CMake based # build system in one swoop: # # - We generate a file (a CMake fragment) in the object root which contains # all the definitions that are required by CMake. # # - We generate the library table used by llvm-config. # # - We generate the dependencies for the CMake fragment, so that we will # automatically reconfigure outselves. set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build") set(LLVMCONFIGLIBRARYDEPENDENCIESINC "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc") set(LLVMBUILDCMAKEFRAG "${LLVM_BINARY_DIR}/LLVMBuild.cmake") message(STATUS "Constructing LLVMBuild project information") execute_process( COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL} --native-target "${LLVM_NATIVE_ARCH}" --enable-targets "${LLVM_TARGETS_TO_BUILD}" --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC} --write-cmake-fragment ${LLVMBUILDCMAKEFRAG} ERROR_VARIABLE LLVMBUILDOUTPUT ERROR_VARIABLE LLVMBUILDERRORS OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_STRIP_TRAILING_WHITESPACE RESULT_VARIABLE LLVMBUILDRESULT) # On Win32, CMake doesn't properly handle piping the default output/error # streams into the GUI console. So, we explicitly catch and report them. if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "") message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}") endif() if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" ) message(FATAL_ERROR "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}") endif() # Include the generated CMake fragment. This will define properties from the # LLVMBuild files in a format which is easy to consume from CMake, and will add # the dependencies so that CMake will reconfigure properly when the LLVMBuild # files change. include(${LLVMBUILDCMAKEFRAG}) ###### # Configure all of the various header file fragments LLVM uses which depend on # configuration variables. set(LLVM_ENUM_ASM_PRINTERS "") set(LLVM_ENUM_ASM_PARSERS "") set(LLVM_ENUM_DISASSEMBLERS "") foreach(t ${LLVM_TARGETS_TO_BUILD}) set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} ) file(GLOB asmp_file "${td}/*AsmPrinter.cpp") if( asmp_file ) set(LLVM_ENUM_ASM_PRINTERS "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n") endif() if( EXISTS ${td}/AsmParser/CMakeLists.txt ) set(LLVM_ENUM_ASM_PARSERS "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n") endif() if( EXISTS ${td}/Disassembler/CMakeLists.txt ) set(LLVM_ENUM_DISASSEMBLERS "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n") endif() endforeach(t) # Produce the target definition files, which provide a way for clients to easily # include various classes of targets. configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def ) configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def ) configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def ) configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def ) # Configure the three LLVM configuration header files. configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake ${LLVM_BINARY_DIR}/include/llvm/Config/config.h) configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h) configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h) set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} ) set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib ) set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib ) set(CMAKE_INCLUDE_CURRENT_DIR ON) include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR}) if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS ) SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h") endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS ) include(AddLLVM) include(TableGen) if( MINGW ) # People report that -O3 is unreliable on MinGW. The traditional # build also uses -O2 for that reason: llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2") endif() # Put this before tblgen. Else we have a circular dependence. add_subdirectory(lib/Support) add_subdirectory(lib/TableGen) add_subdirectory(utils/TableGen) add_subdirectory(include/llvm) add_subdirectory(lib) add_subdirectory(utils/FileCheck) add_subdirectory(utils/FileUpdate) add_subdirectory(utils/count) add_subdirectory(utils/not) add_subdirectory(utils/llvm-lit) add_subdirectory(projects) if( LLVM_INCLUDE_TOOLS ) add_subdirectory(tools) endif() if( LLVM_INCLUDE_RUNTIME ) add_subdirectory(runtime) endif() if( LLVM_INCLUDE_EXAMPLES ) add_subdirectory(examples) endif() if( LLVM_INCLUDE_TESTS ) add_subdirectory(test) add_subdirectory(utils/unittest) add_subdirectory(unittests) if (MSVC) # This utility is used to prevent chrashing tests from calling Dr. Watson on # Windows. add_subdirectory(utils/KillTheDoctor) endif() endif() add_subdirectory(cmake/modules) install(DIRECTORY include/ DESTINATION include FILES_MATCHING PATTERN "*.def" PATTERN "*.h" PATTERN "*.td" PATTERN "*.inc" PATTERN "LICENSE.TXT" PATTERN ".svn" EXCLUDE ) install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/ DESTINATION include FILES_MATCHING PATTERN "*.def" PATTERN "*.h" PATTERN "*.gen" PATTERN "*.inc" # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def" PATTERN "CMakeFiles" EXCLUDE PATTERN ".svn" EXCLUDE ) # TODO: make and install documentation. set(CPACK_PACKAGE_VENDOR "LLVM") set(CPACK_PACKAGE_VERSION_MAJOR 2) set(CPACK_PACKAGE_VERSION_MINOR 9) add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH) include(CPack) # Workaround for MSVS10 to avoid the Dialog Hell # FIXME: This could be removed with future version of CMake. if(MSVC_VERSION EQUAL 1600) set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln") if( EXISTS "${LLVM_SLN_FILENAME}" ) file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n") endif() endif()