# 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 2.7svn)
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)
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
MBlaze
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 )
set(C_INCLUDE_DIRS "" CACHE STRING
"Colon separated list of directories clang will search for headers.")
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( 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 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)
# 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)
if(APPLE)
set(LTDL_SHLIB_EXT ".dylib")
else(APPLE)
set(LTDL_SHLIB_EXT ".so")
endif(APPLE)
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)
include(config-ix)
option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
set(ENABLE_PIC 0)
if( LLVM_ENABLE_PIC )
if( XCODE )
# Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't
# know how to disable this, so just force ENABLE_PIC off for now.
message(STATUS "Warning: -fPIC not supported with Xcode.")
else( XCODE )
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()
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 )
# 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( 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)
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 "")
# Enable warnings
if (LLVM_ENABLE_WARNINGS)
add_llvm_definitions( /W4 /Wall )
if (LLVM_ENABLE_PEDANTIC)
# No MSVC equivalent available
endif (LLVM_ENABLE_PEDANTIC)
endif (LLVM_ENABLE_WARNINGS)
if (LLVM_ENABLE_WERROR)
add_llvm_definitions( /WX )
endif (LLVM_ENABLE_WERROR)
elseif( CMAKE_COMPILER_IS_GNUCXX )
if (LLVM_ENABLE_WARNINGS)
add_llvm_definitions( -Wall -W -Wno-unused-parameter -Wwrite-strings )
if (LLVM_ENABLE_PEDANTIC)
add_llvm_definitions( -pedantic -Wno-long-long )
endif (LLVM_ENABLE_PEDANTIC)
endif (LLVM_ENABLE_WARNINGS)
if (LLVM_ENABLE_WERROR)
add_llvm_definitions( -Werror )
endif (LLVM_ENABLE_WERROR)
endif( MSVC )
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/System/Solaris.h")
endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
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/InstCombine)
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(lib/MC/MCParser)
add_subdirectory(test)
add_subdirectory(utils/FileCheck)
add_subdirectory(utils/count)
add_subdirectory(utils/not)
set(LLVM_ENUM_ASM_PRINTERS "")
set(LLVM_ENUM_ASM_PARSERS "")
set(LLVM_ENUM_DISASSEMBLERS "")
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 )
if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
add_subdirectory(lib/Target/${t}/Disassembler)
set(LLVM_ENUM_DISASSEMBLERS
"${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
set(CURRENT_LLVM_TARGET)
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
)
# Produce llvm/Config/Disassemblers.def
configure_file(
${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.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/Archive)
add_subdirectory(projects)
option(LLVM_BUILD_TOOLS "Build LLVM tool programs." ON)
add_subdirectory(tools)
option(LLVM_BUILD_EXAMPLES "Build LLVM example programs." OFF)
add_subdirectory(examples)
install(DIRECTORY include/
DESTINATION include
FILES_MATCHING
PATTERN "*.def"
PATTERN "*.h"
PATTERN "*.td"
PATTERN "*.inc"
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.