CMakeLists.txt - fp2-dev/platform/external/llvm - Gitiles

 # 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(LLVM_VERSION_MAJOR 3)
 set(LLVM_VERSION_MINOR 4)

 set(PACKAGE_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}svn")

 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
 if ( LLVM_USE_FOLDERS )
   set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 endif()

 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 "http://llvm.org/bugs/")

 # 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
   AArch64
   ARM
   CppBackend
   Hexagon
   Mips
   MBlaze
   MSP430
   NVPTX
   PowerPC
   R600
   Sparc
   SystemZ
   X86
   XCore
   )

 # List of targets with JIT support:
 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)

 set(LLVM_TARGETS_TO_BUILD "all"
     CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")

 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
   CACHE STRING "Semicolon-separated list of experimental targets to build.")

 option(BUILD_SHARED_LIBS
   "Build all libraries as shared libraries instead of static" OFF)

 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_BACKTRACES "Enable embedding backtraces on crash." ON)
 if(LLVM_ENABLE_BACKTRACES)
   set(ENABLE_BACKTRACES 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)

 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)

 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
   set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
 endif()

 set(LLVM_TARGETS_TO_BUILD
    ${LLVM_TARGETS_TO_BUILD}
    ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)

 set(LLVM_ENUM_TARGETS "")
 foreach(c ${LLVM_TARGETS_TO_BUILD})
   list(FIND LLVM_ALL_TARGETS ${c} idx)
   list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${c} idy)
   if( idx LESS 0 AND idy LESS 0 )
     message(FATAL_ERROR "The target `${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()

 option(LLVM_USE_INTEL_JITEVENTS
   "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
   OFF)

 if( LLVM_USE_INTEL_JITEVENTS )
   # Verify we are on a supported platform
   if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
     message(FATAL_ERROR
       "Intel JIT API support is available on Linux and Windows only.")
   endif()
 endif( LLVM_USE_INTEL_JITEVENTS )

 option(LLVM_USE_OPROFILE
   "Use opagent JIT interface to inform OProfile about JIT code" OFF)

 # If enabled, verify we are on a platform that supports oprofile.
 if( LLVM_USE_OPROFILE )
   if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
     message(FATAL_ERROR "OProfile support is available on Linux only.")
   endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
 endif( LLVM_USE_OPROFILE )

 set(LLVM_USE_SANITIZER "" CACHE STRING
   "Define the sanitizer used to build binaries and tests.")

 # 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()

 # 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)

 # By default, we target the host, but this can be overridden at CMake
 # invocation time.
 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
   "Default target for which LLVM will generate code." )
 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")

 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")

 # Create the list of optional components that are enabled
 if (LLVM_USE_INTEL_JITEVENTS)
   set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
 endif (LLVM_USE_INTEL_JITEVENTS)
 if (LLVM_USE_OPROFILE)
   set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
 endif (LLVM_USE_OPROFILE)

 message(STATUS "Constructing LLVMBuild project information")
 execute_process(
   COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
             --native-target "${LLVM_NATIVE_ARCH}"
             --enable-targets "${LLVM_TARGETS_TO_BUILD}"
             --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
             --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 FreeBSD )
   # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
   # with libxml2, iconv.h, etc., we must add /usr/local paths.
   include_directories("/usr/local/include")
   link_directories("/usr/local/lib")
 endif( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )

 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )

 # Make sure we don't get -rdynamic in every binary. For those that need it,
 # use set_target_properties(target PROPERTIES ENABLE_EXPORTS 1)
 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")

 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(utils/yaml-bench)

 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 crashing tests from calling Dr. Watson on
     # Windows.
     add_subdirectory(utils/KillTheDoctor)
   endif()

   # Add a global check rule now that all subdirectories have been traversed
   # and we know the total set of lit testsuites.
   get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
   get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
   get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
   get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
   add_lit_target(check-all
     "Running all regression tests"
     ${LLVM_LIT_TESTSUITES}
     PARAMS ${LLVM_LIT_PARAMS}
     DEPENDS ${LLVM_LIT_DEPENDS}
     ARGS ${LLVM_LIT_EXTRA_ARGS}
     )
 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 ${LLVM_VERSION_MAJOR})
 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
 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()
	# 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(LLVM_VERSION_MAJOR 3)
	set(LLVM_VERSION_MINOR 4)

	set(PACKAGE_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}svn")

	option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
	if ( LLVM_USE_FOLDERS )
	set_property(GLOBAL PROPERTY USE_FOLDERS ON)
	endif()

	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 "http://llvm.org/bugs/")

	# 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
	AArch64
	ARM
	CppBackend
	Hexagon
	Mips
	MBlaze
	MSP430
	NVPTX
	PowerPC
	R600
	Sparc
	SystemZ
	X86
	XCore
	)

	# List of targets with JIT support:
	set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)

	set(LLVM_TARGETS_TO_BUILD "all"
	CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")

	set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
	CACHE STRING "Semicolon-separated list of experimental targets to build.")

	option(BUILD_SHARED_LIBS
	"Build all libraries as shared libraries instead of static" OFF)

	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_BACKTRACES "Enable embedding backtraces on crash." ON)
	if(LLVM_ENABLE_BACKTRACES)
	set(ENABLE_BACKTRACES 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)

	option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)

	if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
	set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
	endif()

	set(LLVM_TARGETS_TO_BUILD
	${LLVM_TARGETS_TO_BUILD}
	${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
	list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)

	set(LLVM_ENUM_TARGETS "")
	foreach(c ${LLVM_TARGETS_TO_BUILD})
	list(FIND LLVM_ALL_TARGETS ${c} idx)
	list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${c} idy)
	if( idx LESS 0 AND idy LESS 0 )
	message(FATAL_ERROR "The target `${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()

	option(LLVM_USE_INTEL_JITEVENTS
	"Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
	OFF)

	if( LLVM_USE_INTEL_JITEVENTS )
	# Verify we are on a supported platform
	if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
	message(FATAL_ERROR
	"Intel JIT API support is available on Linux and Windows only.")
	endif()
	endif( LLVM_USE_INTEL_JITEVENTS )

	option(LLVM_USE_OPROFILE
	"Use opagent JIT interface to inform OProfile about JIT code" OFF)

	# If enabled, verify we are on a platform that supports oprofile.
	if( LLVM_USE_OPROFILE )
	if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
	message(FATAL_ERROR "OProfile support is available on Linux only.")
	endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
	endif( LLVM_USE_OPROFILE )

	set(LLVM_USE_SANITIZER "" CACHE STRING
	"Define the sanitizer used to build binaries and tests.")

	# 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()

	# 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)

	# By default, we target the host, but this can be overridden at CMake
	# invocation time.
	set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
	"Default target for which LLVM will generate code." )
	set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")

	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")

	# Create the list of optional components that are enabled
	if (LLVM_USE_INTEL_JITEVENTS)
	set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
	endif (LLVM_USE_INTEL_JITEVENTS)
	if (LLVM_USE_OPROFILE)
	set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
	endif (LLVM_USE_OPROFILE)

	message(STATUS "Constructing LLVMBuild project information")
	execute_process(
	COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
	--native-target "${LLVM_NATIVE_ARCH}"
	--enable-targets "${LLVM_TARGETS_TO_BUILD}"
	--enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
	--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 FreeBSD )
	# On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
	# with libxml2, iconv.h, etc., we must add /usr/local paths.
	include_directories("/usr/local/include")
	link_directories("/usr/local/lib")
	endif( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )

	if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
	endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )

	# Make sure we don't get -rdynamic in every binary. For those that need it,
	# use set_target_properties(target PROPERTIES ENABLE_EXPORTS 1)
	set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")

	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(utils/yaml-bench)

	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 crashing tests from calling Dr. Watson on
	# Windows.
	add_subdirectory(utils/KillTheDoctor)
	endif()

	# Add a global check rule now that all subdirectories have been traversed
	# and we know the total set of lit testsuites.
	get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
	get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
	get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
	get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
	add_lit_target(check-all
	"Running all regression tests"
	${LLVM_LIT_TESTSUITES}
	PARAMS ${LLVM_LIT_PARAMS}
	DEPENDS ${LLVM_LIT_DEPENDS}
	ARGS ${LLVM_LIT_EXTRA_ARGS}
	)
	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 ${LLVM_VERSION_MAJOR})
	set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
	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()