# See docs/CMake.html for instructions about how to build LLVM with CMake. project(LLVM) cmake_minimum_required(VERSION 2.6.1) set(PACKAGE_NAME llvm) set(PACKAGE_VERSION 2.6svn) set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu") if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE ) message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite the makefiles distributed with LLVM. Please create a directory and run cmake from there, passing the path to this source directory as the last argument. This process created the file `CMakeCache.txt' and the directory `CMakeFiles'. Please delete them.") endif() string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE) include(FindPerl) 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 ${LLVM_BINARY_DIR}/examples) set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" ) if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR ) file(GLOB_RECURSE tablegenned_files_on_include_dir "${LLVM_MAIN_SRC_DIR}/include/llvm/*.gen") file(GLOB_RECURSE tablegenned_files_on_lib_dir "${LLVM_MAIN_SRC_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 ${LLVM_MAIN_SRC_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() set(LLVM_ALL_TARGETS Alpha ARM Blackfin CBackend CellSPU CppBackend Mips MSIL MSP430 PIC16 PowerPC Sparc SystemZ X86 XCore ) 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_THREADS "Use threads if available." ON) if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" ) option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF) else() option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON) endif() if( LLVM_ENABLE_ASSERTIONS ) # MSVC doesn't like _DEBUG on release builds. See PR 4379. if( NOT MSVC ) add_definitions( -D_DEBUG ) endif() # On Release builds cmake automatically defines NDEBUG, so we # explicitly undefine it: if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" ) add_definitions( -UNDEBUG ) endif() else() if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" ) add_definitions( -DNDEBUG ) endif() endif() 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 exists. It should be one of\n${LLVM_ALL_TARGETS}") else() set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n") endif() endforeach(c) # Produce llvm/Config/Targets.def configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def ) set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm) # Add path for custom modules set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${LLVM_MAIN_SRC_DIR}/cmake" "${LLVM_MAIN_SRC_DIR}/cmake/modules" ) include(AddLLVMDefinitions) if(WIN32) if(CYGWIN) set(LLVM_ON_WIN32 0) set(LLVM_ON_UNIX 1) else(CYGWIN) set(LLVM_ON_WIN32 1) set(LLVM_ON_UNIX 0) endif(CYGWIN) set(LTDL_SHLIB_EXT ".dll") set(EXEEXT ".exe") # Maximum path length is 160 for non-unicode paths set(MAXPATHLEN 160) else(WIN32) if(UNIX) set(LLVM_ON_WIN32 0) set(LLVM_ON_UNIX 1) set(LTDL_SHLIB_EXT ".so") set(EXEEXT "") # FIXME: Maximum path length is currently set to 'safe' fixed value set(MAXPATHLEN 2024) else(UNIX) MESSAGE(SEND_ERROR "Unable to determine platform") endif(UNIX) endif(WIN32) if( EXISTS ${LLVM_TOOLS_BINARY_DIR}/llvm-config ) set(HAVE_LLVM_CONFIG 1) endif( EXISTS ${LLVM_TOOLS_BINARY_DIR}/llvm-config ) include(config-ix) option(LLVM_ENABLE_PIC "Build Position-Independent Code" OFF) set(ENABLE_PIC 0) if( LLVM_ENABLE_PIC ) if( SUPPORTS_FPIC_FLAG ) message(STATUS "Building with -fPIC") add_llvm_definitions(-fPIC) set(ENABLE_PIC 1) else( SUPPORTS_FPIC_FLAG ) message(STATUS "Warning: -fPIC not supported.") endif() endif() 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_VERBOSE_MAKEFILE true) add_llvm_definitions( -D__STDC_LIMIT_MACROS ) add_llvm_definitions( -D__STDC_CONSTANT_MACROS ) 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) if( LLVM_BUILD_32_BITS ) message(STATUS "Building 32 bits executables and libraries.") add_llvm_definitions( -m32 ) list(APPEND CMAKE_EXE_LINKER_FLAGS -m32) list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32) set( LLVM_PLO_FLAGS -melf_i386 ${LLVM_PLO_FLAGS} ) endif( LLVM_BUILD_32_BITS ) endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 ) if( MSVC ) # List of valid CRTs for MSVC set(MSVC_CRT MD MDd) set(LLVM_USE_CRT "" CACHE STRING "Specify VC++ CRT to use for debug/release configurations.") add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS ) add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS ) add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE ) add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 ) add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 ) # Suppress 'new behavior: elements of array 'array' will be default initialized' add_llvm_definitions( -wd4351 ) if (NOT ${LLVM_USE_CRT} STREQUAL "") list(FIND MSVC_CRT ${LLVM_USE_CRT} idx) if (idx LESS 0) message(FATAL_ERROR "Invalid value for LLVM_USE_CRT: ${LLVM_USE_CRT}. Valid options are one of: ${MSVC_CRT}") endif (idx LESS 0) add_llvm_definitions("/${LLVM_USE_CRT}") message(STATUS "Using VC++ CRT: ${LLVM_USE_CRT}") endif (NOT ${LLVM_USE_CRT} STREQUAL "") endif( MSVC ) include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR}) include(AddLLVM) include(TableGen) add_subdirectory(lib/Support) add_subdirectory(lib/System) # Everything else depends on Support and System: set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} ) set(LLVM_TABLEGEN "tblgen" CACHE STRING "Native TableGen executable. Saves building one when cross-compiling.") # Effective tblgen executable to be used: set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN}) add_subdirectory(utils/TableGen) if( CMAKE_CROSSCOMPILING ) # This adds a dependency on target `tblgen', so must go after utils/TableGen include( CrossCompileLLVM ) endif( CMAKE_CROSSCOMPILING ) add_subdirectory(include/llvm) add_subdirectory(lib/VMCore) add_subdirectory(lib/CodeGen) add_subdirectory(lib/CodeGen/SelectionDAG) add_subdirectory(lib/CodeGen/AsmPrinter) add_subdirectory(lib/Bitcode/Reader) add_subdirectory(lib/Bitcode/Writer) add_subdirectory(lib/Transforms/Utils) add_subdirectory(lib/Transforms/Instrumentation) add_subdirectory(lib/Transforms/Scalar) add_subdirectory(lib/Transforms/IPO) add_subdirectory(lib/Transforms/Hello) add_subdirectory(lib/Linker) add_subdirectory(lib/Analysis) add_subdirectory(lib/Analysis/IPA) add_subdirectory(lib/MC) add_subdirectory(utils/FileCheck) set(LLVM_ENUM_ASM_PRINTERS "") set(LLVM_ENUM_ASM_PARSERS "") foreach(t ${LLVM_TARGETS_TO_BUILD}) message(STATUS "Targeting ${t}") add_subdirectory(lib/Target/${t}) add_subdirectory(lib/Target/${t}/TargetInfo) if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt ) add_subdirectory(lib/Target/${t}/AsmPrinter) set(LLVM_ENUM_ASM_PRINTERS "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n") endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt ) if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt ) add_subdirectory(lib/Target/${t}/AsmParser) set(LLVM_ENUM_ASM_PARSERS "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n") endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt ) endforeach(t) # Produce llvm/Config/AsmPrinters.def configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def ) # Produce llvm/Config/AsmParsers.def configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def ) add_subdirectory(lib/ExecutionEngine) add_subdirectory(lib/ExecutionEngine/Interpreter) add_subdirectory(lib/ExecutionEngine/JIT) add_subdirectory(lib/Target) add_subdirectory(lib/AsmParser) add_subdirectory(lib/Debugger) add_subdirectory(lib/Archive) add_subdirectory(projects) add_subdirectory(tools) option(LLVM_EXAMPLES "Build LLVM example programs." OFF) if (LLVM_EXAMPLES) add_subdirectory(examples) endif () install(DIRECTORY include DESTINATION . PATTERN ".svn" EXCLUDE PATTERN "*.cmake" EXCLUDE PATTERN "*.in" EXCLUDE ) install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include DESTINATION . ) # TODO: make and install documentation.