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# See docs/CMake.html for instructions about how to build LLVM with CMake.
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cmake_minimum_required(VERSION 2.6.1)
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set(PACKAGE_VERSION 2.7svn)
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set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
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set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
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if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
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message(FATAL_ERROR "In-source builds are not allowed.
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CMake would overwrite the makefiles distributed with LLVM.
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Please create a directory and run cmake from there, passing the path
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to this source directory as the last argument.
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This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
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string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
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set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
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set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
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set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
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set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
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set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
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if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
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tablegenned_files_on_include_dir
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"${LLVM_MAIN_SRC_DIR}/include/llvm/*.gen")
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tablegenned_files_on_lib_dir
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"${LLVM_MAIN_SRC_DIR}/lib/Target/*.inc")
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if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
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message(FATAL_ERROR "Apparently there is a previous in-source build,
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probably as the result of running `configure' and `make' on
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This may cause problems. The suspicious files are:
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${tablegenned_files_on_lib_dir}
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${tablegenned_files_on_include_dir}
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Please clean the source directory.")
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set(LLVM_TARGETS_TO_BUILD X86
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CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
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set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
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CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
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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(LLVM_TARGET_ARCH "host"
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CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
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option(LLVM_ENABLE_THREADS "Use threads if available." ON)
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if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
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option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
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option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
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if( LLVM_ENABLE_ASSERTIONS )
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# MSVC doesn't like _DEBUG on release builds. See PR 4379.
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add_definitions( -D_DEBUG )
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# On Release builds cmake automatically defines NDEBUG, so we
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# explicitly undefine it:
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if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
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add_definitions( -UNDEBUG )
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if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
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add_definitions( -DNDEBUG )
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if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
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set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
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set(LLVM_ENUM_TARGETS "")
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foreach(c ${LLVM_TARGETS_TO_BUILD})
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list(FIND LLVM_ALL_TARGETS ${c} idx)
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message(FATAL_ERROR "The target `${c}' does not exist.
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It should be one of\n${LLVM_ALL_TARGETS}")
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set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
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# Produce llvm/Config/Targets.def
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${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
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${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
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set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
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# Add path for custom modules
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set(CMAKE_MODULE_PATH
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"${LLVM_MAIN_SRC_DIR}/cmake"
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"${LLVM_MAIN_SRC_DIR}/cmake/modules"
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include(AddLLVMDefinitions)
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set(LTDL_SHLIB_EXT ".dll")
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# Maximum path length is 160 for non-unicode paths
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set(LTDL_SHLIB_EXT ".dylib")
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set(LTDL_SHLIB_EXT ".so")
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# FIXME: Maximum path length is currently set to 'safe' fixed value
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MESSAGE(SEND_ERROR "Unable to determine platform")
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option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
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if( LLVM_ENABLE_PIC )
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# Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't
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# know how to disable this, so just force ENABLE_PIC off for now.
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message(STATUS "Warning: -fPIC not supported with Xcode.")
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if( SUPPORTS_FPIC_FLAG )
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message(STATUS "Building with -fPIC")
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add_llvm_definitions(-fPIC)
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else( SUPPORTS_FPIC_FLAG )
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message(STATUS "Warning: -fPIC not supported.")
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set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
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set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
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set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
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# set(CMAKE_VERBOSE_MAKEFILE true)
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add_llvm_definitions( -D__STDC_LIMIT_MACROS )
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add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
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# MSVC has a gazillion warnings with this.
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option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
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option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
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option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
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option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
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if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
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# TODO: support other platforms and toolchains.
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option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
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if( LLVM_BUILD_32_BITS )
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message(STATUS "Building 32 bits executables and libraries.")
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add_llvm_definitions( -m32 )
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list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
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list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
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endif( LLVM_BUILD_32_BITS )
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endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
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# List of valid CRTs for MSVC
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set(LLVM_USE_CRT "" CACHE STRING "Specify VC++ CRT to use for debug/release configurations.")
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add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
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add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
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add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
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add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
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add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 )
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# Suppress 'new behavior: elements of array 'array' will be default initialized'
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add_llvm_definitions( -wd4351 )
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if (NOT ${LLVM_USE_CRT} STREQUAL "")
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list(FIND MSVC_CRT ${LLVM_USE_CRT} idx)
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message(FATAL_ERROR "Invalid value for LLVM_USE_CRT: ${LLVM_USE_CRT}. Valid options are one of: ${MSVC_CRT}")
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add_llvm_definitions("/${LLVM_USE_CRT}")
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message(STATUS "Using VC++ CRT: ${LLVM_USE_CRT}")
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endif (NOT ${LLVM_USE_CRT} STREQUAL "")
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if (LLVM_ENABLE_WARNINGS)
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add_llvm_definitions( /W4 /Wall )
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if (LLVM_ENABLE_PEDANTIC)
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# No MSVC equivalent available
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endif (LLVM_ENABLE_PEDANTIC)
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endif (LLVM_ENABLE_WARNINGS)
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if (LLVM_ENABLE_WERROR)
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add_llvm_definitions( /WX )
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endif (LLVM_ENABLE_WERROR)
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elseif( CMAKE_COMPILER_IS_GNUCXX )
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if (LLVM_ENABLE_WARNINGS)
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add_llvm_definitions( -Wall -W -Wno-unused-parameter -Wwrite-strings )
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if (LLVM_ENABLE_PEDANTIC)
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add_llvm_definitions( -pedantic -Wno-long-long )
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endif (LLVM_ENABLE_PEDANTIC)
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endif (LLVM_ENABLE_WARNINGS)
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if (LLVM_ENABLE_WERROR)
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add_llvm_definitions( -Werror )
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endif (LLVM_ENABLE_WERROR)
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include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
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if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
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SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/System/Solaris.h")
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endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
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add_subdirectory(lib/Support)
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add_subdirectory(lib/System)
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# Everything else depends on Support and System:
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set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
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set(LLVM_TABLEGEN "tblgen" CACHE
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STRING "Native TableGen executable. Saves building one when cross-compiling.")
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# Effective tblgen executable to be used:
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set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
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add_subdirectory(utils/TableGen)
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if( CMAKE_CROSSCOMPILING )
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# This adds a dependency on target `tblgen', so must go after utils/TableGen
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include( CrossCompileLLVM )
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endif( CMAKE_CROSSCOMPILING )
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add_subdirectory(include/llvm)
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add_subdirectory(lib/VMCore)
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add_subdirectory(lib/CodeGen)
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add_subdirectory(lib/CodeGen/SelectionDAG)
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add_subdirectory(lib/CodeGen/AsmPrinter)
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add_subdirectory(lib/Bitcode/Reader)
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add_subdirectory(lib/Bitcode/Writer)
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add_subdirectory(lib/Transforms/Utils)
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add_subdirectory(lib/Transforms/Instrumentation)
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add_subdirectory(lib/Transforms/InstCombine)
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add_subdirectory(lib/Transforms/Scalar)
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add_subdirectory(lib/Transforms/IPO)
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add_subdirectory(lib/Transforms/Hello)
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add_subdirectory(lib/Analysis)
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add_subdirectory(lib/Analysis/IPA)
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add_subdirectory(lib/MC)
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add_subdirectory(lib/MC/MCParser)
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add_subdirectory(test)
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add_subdirectory(utils/FileCheck)
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add_subdirectory(utils/count)
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add_subdirectory(utils/not)
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set(LLVM_ENUM_ASM_PRINTERS "")
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set(LLVM_ENUM_ASM_PARSERS "")
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set(LLVM_ENUM_DISASSEMBLERS "")
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foreach(t ${LLVM_TARGETS_TO_BUILD})
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message(STATUS "Targeting ${t}")
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add_subdirectory(lib/Target/${t})
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add_subdirectory(lib/Target/${t}/TargetInfo)
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if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
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add_subdirectory(lib/Target/${t}/AsmPrinter)
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set(LLVM_ENUM_ASM_PRINTERS
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"${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
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endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
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if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
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add_subdirectory(lib/Target/${t}/AsmParser)
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set(LLVM_ENUM_ASM_PARSERS
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"${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
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endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
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if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
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add_subdirectory(lib/Target/${t}/Disassembler)
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set(LLVM_ENUM_DISASSEMBLERS
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"${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
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endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
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set(CURRENT_LLVM_TARGET)
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# Produce llvm/Config/AsmPrinters.def
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${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
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${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
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# Produce llvm/Config/AsmParsers.def
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${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
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${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
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# Produce llvm/Config/Disassemblers.def
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${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
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${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
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add_subdirectory(lib/ExecutionEngine)
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add_subdirectory(lib/ExecutionEngine/Interpreter)
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add_subdirectory(lib/ExecutionEngine/JIT)
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add_subdirectory(lib/Target)
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add_subdirectory(lib/AsmParser)
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option(LLVM_BUILD_TOOLS "Build LLVM tool programs." ON)
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add_subdirectory(tools)
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option(LLVM_BUILD_EXAMPLES "Build LLVM example programs." OFF)
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install(DIRECTORY include/
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PATTERN ".svn" EXCLUDE
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install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
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# Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
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PATTERN "CMakeFiles" EXCLUDE
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PATTERN ".svn" EXCLUDE
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# TODO: make and install documentation.