X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=CMakeLists.txt;h=6691189b724ef5ab9085435357e7fa03c31a3ee8;hb=7acaefabf62d31a3edc830e06385495b73bdb8a8;hp=2c2c1152c3658d674beb0fb92501d7b4480b49c5;hpb=0b8f0a208e9849c7ea50173b98acb51efbe1f2c7;p=oota-llvm.git

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2c2c1152c36..6691189b724 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,43 @@
 # See docs/CMake.html for instructions about how to build LLVM with CMake.
 
+cmake_minimum_required(VERSION 2.8.8)
+
+# FIXME: It may be removed when we use 2.8.12.
+if(CMAKE_VERSION VERSION_LESS 2.8.12)
+  # Invalidate a couple of keywords.
+  set(cmake_2_8_12_INTERFACE)
+  set(cmake_2_8_12_PRIVATE)
+else()
+  # Use ${cmake_2_8_12_KEYWORD} intead of KEYWORD in target_link_libraries().
+  set(cmake_2_8_12_INTERFACE INTERFACE)
+  set(cmake_2_8_12_PRIVATE PRIVATE)
+  if(POLICY CMP0022)
+    cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required
+  endif()
+endif()
+
+if(CMAKE_VERSION VERSION_LESS 3.1.20141117)
+  set(cmake_3_2_USES_TERMINAL)
+else()
+  set(cmake_3_2_USES_TERMINAL USES_TERMINAL)
+endif()
+
 project(LLVM)
-cmake_minimum_required(VERSION 2.8)
+
+# The following only works with the Ninja generator in CMake >= 3.0.
+set(LLVM_PARALLEL_COMPILE_JOBS "" CACHE STRING
+  "Define the maximum number of concurrent compilation jobs.")
+if(LLVM_PARALLEL_COMPILE_JOBS)
+  set_property(GLOBAL APPEND PROPERTY JOB_POOLS compile_job_pool=${LLVM_PARALLEL_COMPILE_JOBS})
+  set(CMAKE_JOB_POOL_COMPILE compile_job_pool)
+endif()
+
+set(LLVM_PARALLEL_LINK_JOBS "" CACHE STRING
+  "Define the maximum number of concurrent link jobs.")
+if(LLVM_PARALLEL_LINK_JOBS)
+  set_property(GLOBAL APPEND PROPERTY JOB_POOLS link_job_pool=${LLVM_PARALLEL_LINK_JOBS})
+  set(CMAKE_JOB_POOL_LINK link_job_pool)
+endif()
 
 # Add path for custom modules
 set(CMAKE_MODULE_PATH
@@ -10,14 +46,64 @@ set(CMAKE_MODULE_PATH
   "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
   )
 
-set(PACKAGE_VERSION "2.9")
+set(LLVM_VERSION_MAJOR 3)
+set(LLVM_VERSION_MINOR 6)
+set(LLVM_VERSION_PATCH 0)
+
+if (NOT PACKAGE_VERSION)
+  set(PACKAGE_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}svn")
+endif()
+
+option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)
+
+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)
-add_version_info_from_vcs(PACKAGE_VERSION)
 
-set(PACKAGE_NAME llvm)
+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} ${PACKAGE_VERSION}")
-set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
+set(PACKAGE_BUGREPORT "http://llvm.org/bugs/")
+
+set(BUG_REPORT_URL "${PACKAGE_BUGREPORT}" CACHE STRING
+  "Default URL where bug reports are to be submitted.")
+
+# Configure CPack.
+set(CPACK_PACKAGE_INSTALL_DIRECTORY "LLVM")
+set(CPACK_PACKAGE_VENDOR "LLVM")
+set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
+set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
+set(CPACK_PACKAGE_VERSION_PATCH ${LLVM_VERSION_PATCH})
+set(CPACK_PACKAGE_VERSION ${PACKAGE_VERSION})
+set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT")
+if(WIN32 AND NOT UNIX)
+  set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "LLVM")
+  set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp")
+  set(CPACK_NSIS_MUI_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
+  set(CPACK_NSIS_MUI_UNIICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
+  set(CPACK_NSIS_MODIFY_PATH "ON")
+  set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL "ON")
+  set(CPACK_NSIS_EXTRA_INSTALL_COMMANDS
+    "ExecWait '$INSTDIR/tools/msbuild/install.bat'")
+  set(CPACK_NSIS_EXTRA_UNINSTALL_COMMANDS
+    "ExecWait '$INSTDIR/tools/msbuild/uninstall.bat'")
+endif()
+include(CPack)
 
+# 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.
@@ -26,27 +112,17 @@ 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")
+    "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen")
   file(GLOB_RECURSE
     tablegenned_files_on_lib_dir
-    "${LLVM_MAIN_SRC_DIR}/lib/Target/*.inc")
+    "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc")
   if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
     message(FATAL_ERROR "Apparently there is a previous in-source build,
 probably as the result of running `configure' and `make' on
-${LLVM_MAIN_SRC_DIR}.
+${CMAKE_CURRENT_SOURCE_DIR}.
 This may cause problems. The suspicious files are:
 ${tablegenned_files_on_lib_dir}
 ${tablegenned_files_on_include_dir}
@@ -54,396 +130,505 @@ Please clean the source directory.")
   endif()
 endif()
 
+string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
+
+# They are used as destination of target generators.
+set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
+set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib)
+if(WIN32 OR CYGWIN)
+  # DLL platform -- put DLLs into bin.
+  set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
+else()
+  set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
+endif()
+
+# Each of them corresponds to llvm-config's.
+set(LLVM_TOOLS_BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) # --bindir
+set(LLVM_LIBRARY_DIR      ${LLVM_LIBRARY_OUTPUT_INTDIR}) # --libdir
+set(LLVM_MAIN_SRC_DIR     ${CMAKE_CURRENT_SOURCE_DIR}  ) # --src-root
+set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include ) # --includedir
+set(LLVM_BINARY_DIR       ${CMAKE_CURRENT_BINARY_DIR}  ) # --prefix
+
+set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
+set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
+set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
+
 set(LLVM_ALL_TARGETS
-  Alpha
+  AArch64
   ARM
-  Blackfin
-  CBackend
-  CellSPU
   CppBackend
+  Hexagon
   Mips
-  MBlaze
   MSP430
+  NVPTX
   PowerPC
-  PTX
+  R600
   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}
+# 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\".")
-endif( MSVC )
 
-set(CLANG_RESOURCE_DIR "" CACHE STRING
-  "Relative directory from the Clang binary to its resource files.")
+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_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_CRASH_OVERRIDES "Enable crash overrides." ON)
+if(LLVM_ENABLE_CRASH_OVERRIDES)
+  set(ENABLE_CRASH_OVERRIDES 1)
+endif()
 
-set(C_INCLUDE_DIRS "" CACHE STRING
-  "Colon separated list of directories clang will search for headers.")
+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.")
 
-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")
+option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
 
 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()
+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_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)
+set(LLVM_TARGETS_TO_BUILD
+   ${LLVM_TARGETS_TO_BUILD}
+   ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
+list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
 
 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 )
+else()
   option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
 endif()
 
+option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF)
+option(LLVM_ENABLE_CXX1Y "Compile with C++1y enabled." OFF)
+option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
 
+if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
+  option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
+else()
+  option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
+endif()
+
+option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
+       "Set to ON to force using an old, unsupported host toolchain." OFF)
+
+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.")
+
+option(LLVM_USE_SPLIT_DWARF
+  "Use -gsplit-dwarf when compiling llvm." OFF)
+
+option(WITH_POLLY "Build LLVM with Polly" ON)
+option(LINK_POLLY_INTO_TOOLS "Static link Polly into tools" OFF)
+
+# 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)
-  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 )
+endif()
 
-if( MSVC )
-  include(ChooseMSVCCRT)
-
-  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 -wd4267 -wd4291 )
-
-  # Suppress 'new behavior: elements of array 'array' will be default initialized'
-  add_llvm_definitions( -wd4351 )
-
-  # 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 ${LLVM_MAIN_INCLUDE_DIR})
+# Define the default arguments to use with 'lit', and an option for the user to
+# override.
+set(LIT_ARGS_DEFAULT "-sv")
+if (MSVC OR XCODE)
+  set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
+endif()
+set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
 
-if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
-   SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/System/Solaris.h")
-endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
+# 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()
 
-include(AddLLVM)
-include(TableGen)
+# Define options to control the inclusion and default build behavior for
+# components which may not strictly be necessary (tools, 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)
 
-if( MINGW )
-  get_system_libs(LLVM_SYSTEM_LIBS_LIST)
-  foreach(l ${LLVM_SYSTEM_LIBS_LIST})
-    set(LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS} -l${l}")
-  endforeach()
-  set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
-  set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
-endif()
+option(LLVM_INCLUDE_UTILS "Generate build targets for the LLVM utils." ON)
 
-add_subdirectory(lib/Support)
-add_subdirectory(lib/System)
+option(LLVM_BUILD_RUNTIME
+  "Build the LLVM runtime libraries." 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)
 
-# Everything else depends on Support and System:
-set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
+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)
 
-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})
+option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
+option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
+option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm API documentation." OFF)
+option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
 
-add_subdirectory(utils/TableGen)
+option (LLVM_BUILD_EXTERNAL_COMPILER_RT
+  "Build compiler-rt as an external project." OFF)
 
-if( CMAKE_CROSSCOMPILING )
-  # This adds a dependency on target `tblgen', so must go after utils/TableGen
-  include( CrossCompileLLVM )
-endif( CMAKE_CROSSCOMPILING )
+option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" OFF)
 
-add_subdirectory(include/llvm)
+# 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)
 
-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(lib/MC/MCDisassembler)
-add_subdirectory(lib/Object)
-
-add_subdirectory(utils/FileCheck)
-add_subdirectory(utils/count)
-add_subdirectory(utils/not)
-add_subdirectory(utils/llvm-lit)
+# 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 2 interpreter.  Python 3 is unsupported.
+set(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5)
+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 ${LLVMBUILDCMAKEFRAG}
+            OUTPUT_VARIABLE LLVMBUILDOUTPUT
+            ERROR_VARIABLE LLVMBUILDERRORS
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+            ERROR_STRIP_TRAILING_WHITESPACE
+  RESULT_VARIABLE LLVMBUILDRESULT)
+
+# On Win32, CMake doesn't properly handle piping the default output/error
+# streams into the GUI console. So, we explicitly catch and report them.
+if( NOT "${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_TARGETS "")
 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)
   set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
+
+  list(FIND LLVM_ALL_TARGETS ${t} idx)
+  list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
+  if( idx LESS 0 AND idy LESS 0 )
+    message(FATAL_ERROR "The target `${t}' does not exist.
+    It should be one of\n${LLVM_ALL_TARGETS}")
+  else()
+    set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
+  endif()
+
   file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
   if( asmp_file )
-    set(LLVM_ENUM_ASM_PRINTERS 
+    set(LLVM_ENUM_ASM_PRINTERS
       "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
   endif()
-  if( EXISTS ${td}/InstPrinter/CMakeLists.txt )
-    add_subdirectory(lib/Target/${t}/InstPrinter)
-  endif()
   if( EXISTS ${td}/AsmParser/CMakeLists.txt )
-    add_subdirectory(lib/Target/${t}/AsmParser)
-    set(LLVM_ENUM_ASM_PARSERS 
+    set(LLVM_ENUM_ASM_PARSERS
       "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
   endif()
   if( EXISTS ${td}/Disassembler/CMakeLists.txt )
-    add_subdirectory(lib/Target/${t}/Disassembler)
     set(LLVM_ENUM_DISASSEMBLERS
       "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
   endif()
-  set(CURRENT_LLVM_TARGET)
 endforeach(t)
 
-# Produce llvm/Config/AsmPrinters.def
+# 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
+  ${LLVM_INCLUDE_DIR}/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
+  ${LLVM_INCLUDE_DIR}/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
+  ${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def
   )
+configure_file(
+  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
+  ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def
+  )
+
+# Configure the three LLVM configuration header files.
+configure_file(
+  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
+  ${LLVM_INCLUDE_DIR}/llvm/Config/config.h)
+configure_file(
+  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
+  ${LLVM_INCLUDE_DIR}/llvm/Config/llvm-config.h)
+configure_file(
+  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
+  ${LLVM_INCLUDE_DIR}/llvm/Support/DataTypes.h)
+
+# They are not referenced. See set_output_directory().
+set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin )
+set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
+set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
+
+set(CMAKE_BUILD_WITH_INSTALL_RPATH ON)
+if (APPLE)
+  set(CMAKE_INSTALL_NAME_DIR "@rpath")
+  set(CMAKE_INSTALL_RPATH "@executable_path/../lib")
+else(UNIX)
+  if(NOT DEFINED CMAKE_INSTALL_RPATH)
+    set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib")
+    if (${CMAKE_SYSTEM_NAME} MATCHES FreeBSD)
+      set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-z,origin")
+      set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-z,origin")
+    endif()
+  endif(NOT DEFINED CMAKE_INSTALL_RPATH)
+endif()
+
+# Work around a broken bfd ld behavior. When linking a binary with a
+# foo.so library, it will try to find any library that foo.so uses and
+# check its symbols. This is wasteful (the check was done when foo.so
+# was created) and can fail since it is not the dynamic linker and
+# doesn't know how to handle search paths correctly.
+if (UNIX AND NOT APPLE)
+  set(CMAKE_EXE_LINKER_FLAGS
+      "${CMAKE_EXE_LINKER_FLAGS} -Wl,-allow-shlib-undefined")
+endif()
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
+
+# when crosscompiling import the executable targets from a file
+if(CMAKE_CROSSCOMPILING)
+  include(CrossCompile)
+endif(CMAKE_CROSSCOMPILING)
+
+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(lib/ExecutionEngine)
-add_subdirectory(lib/ExecutionEngine/Interpreter)
-add_subdirectory(lib/ExecutionEngine/JIT)
-add_subdirectory(lib/ExecutionEngine/MCJIT)
-add_subdirectory(lib/Target)
-add_subdirectory(lib/AsmParser)
-add_subdirectory(lib/Archive)
+add_subdirectory(utils/TableGen)
+
+add_subdirectory(include/llvm)
+
+add_subdirectory(lib)
+
+if( LLVM_INCLUDE_UTILS )
+  add_subdirectory(utils/FileCheck)
+  add_subdirectory(utils/PerfectShuffle)
+  add_subdirectory(utils/count)
+  add_subdirectory(utils/not)
+  add_subdirectory(utils/llvm-lit)
+  add_subdirectory(utils/yaml-bench)
+else()
+  if ( LLVM_INCLUDE_TESTS )
+    message(FATAL_ERROR "Including tests when not building utils will not work.
+    Either set LLVM_INCLUDE_UTILS to On, or set LLVM_INCLDE_TESTS to Off.")
+  endif()
+endif()
+
+if(LLVM_INCLUDE_TESTS)
+  add_subdirectory(utils/unittest)
+endif()
 
 add_subdirectory(projects)
 
-option(LLVM_BUILD_TOOLS
-  "Build the LLVM tools. If OFF, just generate build targets." ON)
-option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
+if(WITH_POLLY)
+  if(NOT EXISTS ${LLVM_MAIN_SRC_DIR}/tools/polly/CMakeLists.txt)
+    set(WITH_POLLY OFF)
+  endif()
+endif(WITH_POLLY)
+
 if( LLVM_INCLUDE_TOOLS )
   add_subdirectory(tools)
 endif()
 
-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)
 if( LLVM_INCLUDE_EXAMPLES )
   add_subdirectory(examples)
 endif()
 
-option(LLVM_BUILD_TESTS
-  "Build LLVM unit tests. If OFF, just generate build targes." OFF)
-option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
 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
+    # This utility is used to prevent crashing 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 ".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
-  )
+  # 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()
 
-# TODO: make and install documentation.
+if (LLVM_INCLUDE_DOCS)
+  add_subdirectory(docs)
+endif()
 
-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)
+add_subdirectory(cmake/modules)
 
-# 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()
+if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
+  install(DIRECTORY include/llvm include/llvm-c
+    DESTINATION include
+    FILES_MATCHING
+    PATTERN "*.def"
+    PATTERN "*.h"
+    PATTERN "*.td"
+    PATTERN "*.inc"
+    PATTERN "LICENSE.TXT"
+    PATTERN ".svn" EXCLUDE
+    )
+
+  install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm
+    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 "config.h" EXCLUDE
+    PATTERN ".svn" EXCLUDE
+    )
 endif()