microsoft
/
clang
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clang/CMakeLists.txt

819 строки
28 KiB
CMake
Исходник Постоянная ссылка Ответственный История

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 we are not building as a part of LLVM, build Clang as an
# standalone project, using LLVM as an external library:
if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )
project(Clang)
# Rely on llvm-config.
set(CONFIG_OUTPUT)
find_program(LLVM_CONFIG "llvm-config")
if(LLVM_CONFIG)
message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}")
set(CONFIG_COMMAND ${LLVM_CONFIG}
"--assertion-mode"
"--bindir"
"--libdir"
"--includedir"
"--prefix"
"--src-root")
execute_process(
COMMAND ${CONFIG_COMMAND}
RESULT_VARIABLE HAD_ERROR
OUTPUT_VARIABLE CONFIG_OUTPUT
)
if(NOT HAD_ERROR)
string(REGEX REPLACE
"[ \t]*[\r\n]+[ \t]*" ";"
CONFIG_OUTPUT ${CONFIG_OUTPUT})
else()
string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}")
message(STATUS "${CONFIG_COMMAND_STR}")
message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}")
endif()
else()
message(FATAL_ERROR "llvm-config not found -- ${LLVM_CONFIG}")
endif()
list(GET CONFIG_OUTPUT 0 ENABLE_ASSERTIONS)
list(GET CONFIG_OUTPUT 1 TOOLS_BINARY_DIR)
list(GET CONFIG_OUTPUT 2 LIBRARY_DIR)
list(GET CONFIG_OUTPUT 3 INCLUDE_DIR)
list(GET CONFIG_OUTPUT 4 LLVM_OBJ_ROOT)
list(GET CONFIG_OUTPUT 5 MAIN_SRC_DIR)
if(NOT MSVC_IDE)
set(LLVM_ENABLE_ASSERTIONS ${ENABLE_ASSERTIONS}
CACHE BOOL "Enable assertions")
# Assertions should follow llvm-config's.
mark_as_advanced(LLVM_ENABLE_ASSERTIONS)
endif()
set(LLVM_TOOLS_BINARY_DIR ${TOOLS_BINARY_DIR} CACHE PATH "Path to llvm/bin")
set(LLVM_LIBRARY_DIR ${LIBRARY_DIR} CACHE PATH "Path to llvm/lib")
set(LLVM_MAIN_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include")
set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree")
set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree")
find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR}
NO_DEFAULT_PATH)
set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm")
set(LLVMCONFIG_FILE "${LLVM_CMAKE_PATH}/LLVMConfig.cmake")
if(EXISTS ${LLVMCONFIG_FILE})
list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
include(${LLVMCONFIG_FILE})
else()
message(FATAL_ERROR "Not found: ${LLVMCONFIG_FILE}")
endif()
# They are used as destination of target generators.
set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
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 ${LLVM_LIBRARY_OUTPUT_INTDIR})
endif()
option(LLVM_INSTALL_TOOLCHAIN_ONLY
"Only include toolchain files in the 'install' target." OFF)
option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
"Set to ON to force using an old, unsupported host toolchain." OFF)
option(CLANG_ENABLE_BOOTSTRAP "Generate the clang bootstrap target" OFF)
include(AddLLVM)
include(TableGen)
include(HandleLLVMOptions)
include(VersionFromVCS)
set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")
if (NOT DEFINED LLVM_INCLUDE_TESTS)
set(LLVM_INCLUDE_TESTS ON)
endif()
include_directories("${LLVM_BINARY_DIR}/include" "${LLVM_MAIN_INCLUDE_DIR}")
link_directories("${LLVM_LIBRARY_DIR}")
set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin )
set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
if(LLVM_INCLUDE_TESTS)
set(Python_ADDITIONAL_VERSIONS 2.7)
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()
if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
message(FATAL_ERROR "Python 2.7 or newer is required")
endif()
# Check prebuilt llvm/utils.
if(EXISTS ${LLVM_TOOLS_BINARY_DIR}/FileCheck${CMAKE_EXECUTABLE_SUFFIX}
AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/count${CMAKE_EXECUTABLE_SUFFIX}
AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/not${CMAKE_EXECUTABLE_SUFFIX})
set(LLVM_UTILS_PROVIDED ON)
endif()
if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
if(NOT LLVM_UTILS_PROVIDED)
add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/FileCheck utils/FileCheck)
add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/count utils/count)
add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/not utils/not)
set(LLVM_UTILS_PROVIDED ON)
set(CLANG_TEST_DEPS FileCheck count not)
endif()
set(UNITTEST_DIR ${LLVM_MAIN_SRC_DIR}/utils/unittest)
if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h
AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt)
add_subdirectory(${UNITTEST_DIR} utils/unittest)
endif()
else()
# Seek installed Lit.
find_program(LLVM_LIT "lit.py" ${LLVM_MAIN_SRC_DIR}/utils/lit
DOC "Path to lit.py")
endif()
if(LLVM_LIT)
# Define the default arguments to use with 'lit', and an option for the user
# to override.
set(LIT_ARGS_DEFAULT "-sv")
if (MSVC OR XCODE)
set(LIT_ARGS_DEFAULT "${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()
else()
set(LLVM_INCLUDE_TESTS OFF)
endif()
endif()
set( CLANG_BUILT_STANDALONE 1 )
set(BACKEND_PACKAGE_STRING "LLVM ${LLVM_PACKAGE_VERSION}")
else()
set(BACKEND_PACKAGE_STRING "${PACKAGE_STRING}")
endif()
find_package(LibXml2 2.5.3 QUIET)
if (LIBXML2_FOUND)
set(CLANG_HAVE_LIBXML 1)
endif()
set(CLANG_RESOURCE_DIR "" CACHE STRING
"Relative directory from the Clang binary to its resource files.")
set(C_INCLUDE_DIRS "" CACHE STRING
"Colon separated list of directories clang will search for headers.")
set(GCC_INSTALL_PREFIX "" CACHE PATH "Directory where gcc is installed." )
set(DEFAULT_SYSROOT "" CACHE PATH
"Default <path> to all compiler invocations for --sysroot=<path>." )
set(CLANG_DEFAULT_CXX_STDLIB "" CACHE STRING
"Default C++ stdlib to use (empty for architecture default, \"libstdc++\" or \"libc++\"")
if (NOT(CLANG_DEFAULT_CXX_STDLIB STREQUAL "" OR
CLANG_DEFAULT_CXX_STDLIB STREQUAL "libstdc++" OR
CLANG_DEFAULT_CXX_STDLIB STREQUAL "libc++"))
message(WARNING "Resetting default C++ stdlib to use architecture default")
set(CLANG_DEFAULT_CXX_STDLIB "")
endif()
set(CLANG_DEFAULT_OPENMP_RUNTIME "libomp" CACHE STRING
"Default OpenMP runtime used by -fopenmp.")
set(CLANG_VENDOR "" CACHE STRING
"Vendor-specific text for showing with version information.")
if( CLANG_VENDOR )
add_definitions( -DCLANG_VENDOR="${CLANG_VENDOR} " )
endif()
set(CLANG_REPOSITORY_STRING "" CACHE STRING
"Vendor-specific text for showing the repository the source is taken from.")
if(CLANG_REPOSITORY_STRING)
add_definitions(-DCLANG_REPOSITORY_STRING="${CLANG_REPOSITORY_STRING}")
endif()
option(CLANG_APPEND_VC_REV
"Append the version control system revision id to clang version spew" OFF)
if(CLANG_APPEND_VC_REV)
if(NOT SVN_REVISION)
# This macro will set SVN_REVISION in the parent scope
add_version_info_from_vcs(VERSION_VAR)
endif()
if(SVN_REVISION)
add_definitions(-DSVN_REVISION="${SVN_REVISION}")
endif()
endif()
set(CLANG_VENDOR_UTI "org.llvm.clang" CACHE STRING
"Vendor-specific uti.")
# The libdir suffix must exactly match whatever LLVM's configuration used.
set(CLANG_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}")
set(CLANG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(CLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
"the makefiles distributed with LLVM. Please create a directory and run cmake "
"from there, passing the path to this source directory as the last argument. "
"This process created the file `CMakeCache.txt' and the directory "
"`CMakeFiles'. Please delete them.")
endif()
if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
file(GLOB_RECURSE
tablegenned_files_on_include_dir
"${CLANG_SOURCE_DIR}/include/clang/*.inc")
if( tablegenned_files_on_include_dir )
message(FATAL_ERROR "Apparently there is a previous in-source build, "
"probably as the result of running `configure' and `make' on "
"${CLANG_SOURCE_DIR}. This may cause problems. The suspicious files are:\n"
"${tablegenned_files_on_include_dir}\nPlease clean the source directory.")
endif()
endif()
# Compute the Clang version from the LLVM version.
string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
${PACKAGE_VERSION})
message(STATUS "Clang version: ${CLANG_VERSION}")
string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" CLANG_VERSION_MAJOR
${CLANG_VERSION})
string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" CLANG_VERSION_MINOR
${CLANG_VERSION})
if (${CLANG_VERSION} MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+")
set(CLANG_HAS_VERSION_PATCHLEVEL 1)
string(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" CLANG_VERSION_PATCHLEVEL
${CLANG_VERSION})
else()
set(CLANG_HAS_VERSION_PATCHLEVEL 0)
endif()
# Configure the Version.inc file.
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/include/clang/Basic/Version.inc.in
${CMAKE_CURRENT_BINARY_DIR}/include/clang/Basic/Version.inc)
# Add appropriate flags for GCC
if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual")
if (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
endif ()
# Enable -pedantic for Clang even if it's not enabled for LLVM.
if (NOT LLVM_ENABLE_PEDANTIC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Wno-long-long")
endif ()
check_cxx_compiler_flag("-Werror -Wnested-anon-types" CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG)
if( CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG )
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-nested-anon-types" )
endif()
endif ()
# Determine HOST_LINK_VERSION on Darwin.
set(HOST_LINK_VERSION)
if (APPLE)
set(LD_V_OUTPUT)
execute_process(
COMMAND sh -c "${CMAKE_LINKER} -v 2>&1 | head -1"
RESULT_VARIABLE HAD_ERROR
OUTPUT_VARIABLE LD_V_OUTPUT
)
if (NOT HAD_ERROR)
if ("${LD_V_OUTPUT}" MATCHES ".*ld64-([0-9.]+).*")
string(REGEX REPLACE ".*ld64-([0-9.]+).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT})
elseif ("${LD_V_OUTPUT}" MATCHES "[^0-9]*([0-9.]+).*")
string(REGEX REPLACE "[^0-9]*([0-9.]+).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT})
endif()
else()
message(FATAL_ERROR "${CMAKE_LINKER} failed with status ${HAD_ERROR}")
endif()
endif()
configure_file(
${CLANG_SOURCE_DIR}/include/clang/Config/config.h.cmake
${CLANG_BINARY_DIR}/include/clang/Config/config.h)
include(CMakeParseArguments)
function(clang_tablegen)
# Syntax:
# clang_tablegen output-file [tablegen-arg ...] SOURCE source-file
# [[TARGET cmake-target-name] [DEPENDS extra-dependency ...]]
#
# Generates a custom command for invoking tblgen as
#
# tblgen source-file -o=output-file tablegen-arg ...
#
# and, if cmake-target-name is provided, creates a custom target for
# executing the custom command depending on output-file. It is
# possible to list more files to depend after DEPENDS.
cmake_parse_arguments(CTG "" "SOURCE;TARGET" "" ${ARGN})
if( NOT CTG_SOURCE )
message(FATAL_ERROR "SOURCE source-file required by clang_tablegen")
endif()
set( LLVM_TARGET_DEFINITIONS ${CTG_SOURCE} )
tablegen(CLANG ${CTG_UNPARSED_ARGUMENTS})
if(CTG_TARGET)
add_public_tablegen_target(${CTG_TARGET})
set_target_properties( ${CTG_TARGET} PROPERTIES FOLDER "Clang tablegenning")
set_property(GLOBAL APPEND PROPERTY CLANG_TABLEGEN_TARGETS ${CTG_TARGET})
endif()
endfunction(clang_tablegen)
macro(set_clang_windows_version_resource_properties name)
if(DEFINED windows_resource_file)
set_windows_version_resource_properties(${name} ${windows_resource_file}
VERSION_MAJOR ${CLANG_VERSION_MAJOR}
VERSION_MINOR ${CLANG_VERSION_MINOR}
VERSION_PATCHLEVEL ${CLANG_VERSION_PATCHLEVEL}
VERSION_STRING "${CLANG_VERSION} (${BACKEND_PACKAGE_STRING})"
PRODUCT_NAME "clang")
endif()
endmacro()
macro(add_clang_subdirectory name)
add_llvm_subdirectory(CLANG TOOL ${name})
endmacro()
macro(add_clang_library name)
cmake_parse_arguments(ARG
"SHARED"
""
"ADDITIONAL_HEADERS"
${ARGN})
set(srcs)
if(MSVC_IDE OR XCODE)
# Add public headers
file(RELATIVE_PATH lib_path
${CLANG_SOURCE_DIR}/lib/
${CMAKE_CURRENT_SOURCE_DIR}
)
if(NOT lib_path MATCHES "^[.][.]")
file( GLOB_RECURSE headers
${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.h
${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.def
)
set_source_files_properties(${headers} PROPERTIES HEADER_FILE_ONLY ON)
file( GLOB_RECURSE tds
${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.td
)
source_group("TableGen descriptions" FILES ${tds})
set_source_files_properties(${tds}} PROPERTIES HEADER_FILE_ONLY ON)
if(headers OR tds)
set(srcs ${headers} ${tds})
endif()
endif()
endif(MSVC_IDE OR XCODE)
if(srcs OR ARG_ADDITIONAL_HEADERS)
set(srcs
ADDITIONAL_HEADERS
${srcs}
${ARG_ADDITIONAL_HEADERS} # It may contain unparsed unknown args.
)
endif()
if(ARG_SHARED)
set(ARG_ENABLE_SHARED SHARED)
endif()
llvm_add_library(${name} ${ARG_ENABLE_SHARED} ${ARG_UNPARSED_ARGUMENTS} ${srcs})
if(TARGET ${name})
target_link_libraries(${name} ${cmake_2_8_12_INTERFACE} ${LLVM_COMMON_LIBS})
if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "libclang")
install(TARGETS ${name}
COMPONENT ${name}
EXPORT ClangTargets
LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
RUNTIME DESTINATION bin)
if (${ARG_SHARED} AND NOT CMAKE_CONFIGURATION_TYPES)
add_custom_target(install-${name}
DEPENDS ${name}
COMMAND "${CMAKE_COMMAND}"
-DCMAKE_INSTALL_COMPONENT=${name}
-P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif()
endif()
set_property(GLOBAL APPEND PROPERTY CLANG_EXPORTS ${name})
else()
# Add empty "phony" target
add_custom_target(${name})
endif()
set_target_properties(${name} PROPERTIES FOLDER "Clang libraries")
set_clang_windows_version_resource_properties(${name})
endmacro(add_clang_library)
macro(add_clang_executable name)
add_llvm_executable( ${name} ${ARGN} )
set_target_properties(${name} PROPERTIES FOLDER "Clang executables")
set_clang_windows_version_resource_properties(${name})
endmacro(add_clang_executable)
macro(add_clang_tool name)
add_clang_executable(${name} ${ARGN})
install(TARGETS ${name}
RUNTIME DESTINATION bin
COMPONENT ${name})
if(NOT CMAKE_CONFIGURATION_TYPES)
add_custom_target(install-${name}
DEPENDS ${name}
COMMAND "${CMAKE_COMMAND}"
-DCMAKE_INSTALL_COMPONENT=${name}
-P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif()
endmacro()
macro(add_clang_symlink name dest)
add_llvm_tool_symlink(${name} ${dest} ALWAYS_GENERATE)
# Always generate install targets
llvm_install_symlink(${name} ${dest} ALWAYS_GENERATE)
endmacro()
set(CMAKE_INCLUDE_CURRENT_DIR ON)
include_directories(BEFORE
${CMAKE_CURRENT_BINARY_DIR}/include
${CMAKE_CURRENT_SOURCE_DIR}/include
)
if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
install(DIRECTORY include/clang include/clang-c
DESTINATION include
FILES_MATCHING
PATTERN "*.def"
PATTERN "*.h"
PATTERN "config.h" EXCLUDE
PATTERN ".svn" EXCLUDE
)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/clang
DESTINATION include
FILES_MATCHING
PATTERN "CMakeFiles" EXCLUDE
PATTERN "*.inc"
PATTERN "*.h"
)
endif()
add_definitions( -D_GNU_SOURCE )
option(CLANG_ENABLE_ARCMT "Build ARCMT." ON)
if (CLANG_ENABLE_ARCMT)
set(ENABLE_CLANG_ARCMT "1")
else()
set(ENABLE_CLANG_ARCMT "0")
endif()
option(CLANG_ENABLE_STATIC_ANALYZER "Build static analyzer." ON)
if (CLANG_ENABLE_STATIC_ANALYZER)
set(ENABLE_CLANG_STATIC_ANALYZER "1")
else()
set(ENABLE_CLANG_STATIC_ANALYZER "0")
endif()
if (NOT CLANG_ENABLE_STATIC_ANALYZER AND CLANG_ENABLE_ARCMT)
message(FATAL_ERROR "Cannot disable static analyzer while enabling ARCMT")
endif()
if(CLANG_ENABLE_ARCMT)
add_definitions(-DCLANG_ENABLE_ARCMT)
add_definitions(-DCLANG_ENABLE_OBJC_REWRITER)
endif()
if(CLANG_ENABLE_STATIC_ANALYZER)
add_definitions(-DCLANG_ENABLE_STATIC_ANALYZER)
endif()
# Clang version information
set(CLANG_EXECUTABLE_VERSION
"${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING
"Version number that will be placed into the clang executable, in the form XX.YY")
set(LIBCLANG_LIBRARY_VERSION
"${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING
"Version number that will be placed into the libclang library , in the form XX.YY")
mark_as_advanced(CLANG_EXECUTABLE_VERSION LIBCLANG_LIBRARY_VERSION)
option(CLANG_INCLUDE_TESTS
"Generate build targets for the Clang unit tests."
${LLVM_INCLUDE_TESTS})
add_subdirectory(utils/TableGen)
add_subdirectory(include)
# All targets below may depend on all tablegen'd files.
get_property(CLANG_TABLEGEN_TARGETS GLOBAL PROPERTY CLANG_TABLEGEN_TARGETS)
list(APPEND LLVM_COMMON_DEPENDS ${CLANG_TABLEGEN_TARGETS})
add_subdirectory(lib)
add_subdirectory(tools)
add_subdirectory(runtime)
option(CLANG_BUILD_EXAMPLES "Build CLANG example programs by default." OFF)
if (CLANG_BUILD_EXAMPLES)
set(ENABLE_CLANG_EXAMPLES "1")
else()
set(ENABLE_CLANG_EXAMPLES "0")
endif()
add_subdirectory(examples)
if( CLANG_INCLUDE_TESTS )
if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include/gtest/gtest.h)
add_subdirectory(unittests)
list(APPEND CLANG_TEST_DEPS ClangUnitTests)
list(APPEND CLANG_TEST_PARAMS
clang_unit_site_config=${CMAKE_CURRENT_BINARY_DIR}/test/Unit/lit.site.cfg
)
endif()
add_subdirectory(test)
if(CLANG_BUILT_STANDALONE)
# 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(utils/perf-training)
endif()
option(CLANG_INCLUDE_DOCS "Generate build targets for the Clang docs."
${LLVM_INCLUDE_DOCS})
if( CLANG_INCLUDE_DOCS )
add_subdirectory(docs)
endif()
if(EXISTS "${CMAKE_CURRENT_BINARY_DIR}/clang.order")
file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/clang.order")
endif()
if(CLANG_ORDER_FILE STREQUAL "${CMAKE_CURRENT_BINARY_DIR}/clang.order")
unset(CLANG_ORDER_FILE CACHE)
unset(CLANG_ORDER_FILE)
endif()
set(CLANG_ORDER_FILE "" CACHE FILEPATH
"Order file to use when compiling clang in order to improve startup time.")
if (CLANG_BUILT_STANDALONE OR CMAKE_VERSION VERSION_EQUAL 3 OR
CMAKE_VERSION VERSION_GREATER 3)
# Generate a list of CMake library targets so that other CMake projects can
# link against them. LLVM calls its version of this file LLVMExports.cmake, but
# the usual CMake convention seems to be ${Project}Targets.cmake.
set(CLANG_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/clang)
set(clang_cmake_builddir "${CMAKE_BINARY_DIR}/${CLANG_INSTALL_PACKAGE_DIR}")
get_property(CLANG_EXPORTS GLOBAL PROPERTY CLANG_EXPORTS)
export(TARGETS ${CLANG_EXPORTS} FILE ${clang_cmake_builddir}/ClangTargets.cmake)
# Install a <prefix>/lib/cmake/clang/ClangConfig.cmake file so that
# find_package(Clang) works. Install the target list with it.
install(EXPORT ClangTargets DESTINATION ${CLANG_INSTALL_PACKAGE_DIR})
install(FILES
${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake
DESTINATION lib${LLVM_LIBDIR_SUFFIX}/cmake/clang)
# Also copy ClangConfig.cmake to the build directory so that dependent projects
# can build against a build directory of Clang more easily.
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake
${CLANG_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/clang/ClangConfig.cmake
COPYONLY)
endif ()
if (CLANG_ENABLE_BOOTSTRAP)
include(ExternalProject)
if(CMAKE_VERSION VERSION_GREATER 3.1.0)
set(cmake_3_1_EXCLUDE_FROM_ALL EXCLUDE_FROM_ALL 1)
endif()
if(CMAKE_VERSION VERSION_GREATER 3.3.20150708)
set(cmake_3_4_USES_TERMINAL_OPTIONS
USES_TERMINAL_CONFIGURE 1
USES_TERMINAL_BUILD 1
USES_TERMINAL_INSTALL 1
)
set(cmake_3_4_USES_TERMINAL USES_TERMINAL 1)
endif()
if(NOT CLANG_STAGE)
set(CLANG_STAGE stage1)
message(STATUS "Setting current clang stage to: ${CLANG_STAGE}")
endif()
string(REGEX MATCH "stage([0-9]*)" MATCHED_STAGE "${CLANG_STAGE}")
if(MATCHED_STAGE)
if(NOT LLVM_BUILD_INSTRUMENTED)
math(EXPR STAGE_NUM "${CMAKE_MATCH_1} + 1")
set(NEXT_CLANG_STAGE stage${STAGE_NUM})
else()
set(NEXT_CLANG_STAGE stage${CMAKE_MATCH_1})
endif()
else()
set(NEXT_CLANG_STAGE bootstrap)
endif()
if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED)
set(NEXT_CLANG_STAGE ${NEXT_CLANG_STAGE}-instrumented)
endif()
message(STATUS "Setting next clang stage to: ${NEXT_CLANG_STAGE}")
set(STAMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-stamps/)
set(BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-bins/)
# If on Darwin we need to make bootstrap depend on LTO and pass
# DARWIN_LTO_LIBRARY so that -flto will work using the just-built compiler
if(BOOTSTRAP_LLVM_ENABLE_LTO OR LLVM_ENABLE_LTO)
set(LTO_DEP LTO llvm-ar llvm-ranlib)
set(LTO_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar)
set(LTO_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib)
if(APPLE)
set(LTO_LIBRARY -DDARWIN_LTO_LIBRARY=${LLVM_SHLIB_OUTPUT_INTDIR}/libLTO.dylib)
elseif(NOT WIN32)
list(APPEND LTO_DEP LLVMgold)
endif()
endif()
add_custom_target(${NEXT_CLANG_STAGE}-clear
DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-cleared
)
add_custom_command(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-cleared
DEPENDS clang ${LTO_DEP}
COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR}
COMMAND ${CMAKE_COMMAND} -E make_directory ${BINARY_DIR}
COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR}
COMMAND ${CMAKE_COMMAND} -E make_directory ${STAMP_DIR}
COMMENT "Clobberring ${NEXT_CLANG_STAGE} build and stamp directories"
)
if(CMAKE_VERBOSE_MAKEFILE)
set(verbose -DCMAKE_VERBOSE_MAKEFILE=On)
endif()
set(BOOTSTRAP_DEFAULT_PASSTHROUGH
PACKAGE_VERSION
LLVM_VERSION_MAJOR
LLVM_VERSION_MINOR
LLVM_VERSION_PATCH
LLVM_VERSION_SUFFIX
CLANG_REPOSITORY_STRING
CMAKE_MAKE_PROGRAM)
if(TARGET compiler-rt)
set(RUNTIME_DEP compiler-rt)
endif()
set(COMPILER_OPTIONS
-DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++
-DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang
-DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang)
if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED)
set(PGO_DEP llvm-profdata)
set(PGO_OPT -DLLVM_PROFDATA=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-profdata)
endif()
if(LLVM_BUILD_INSTRUMENTED)
set(PGO_DEP generate-profdata)
set(PGO_OPT -DLLVM_PROFDATA_FILE=${CMAKE_CURRENT_BINARY_DIR}/utils/perf-training/clang.profdata)
set(COMPILER_OPTIONS
-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
-DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
-DCMAKE_ASM_COMPILER=${CMAKE_ASM_COMPILER})
set(RUNTIME_DEP) # Don't set runtime dependencies
endif()
# Find all variables that start with BOOTSTRAP_ and populate a variable with
# them.
get_cmake_property(variableNames VARIABLES)
foreach(variableName ${variableNames})
if(variableName MATCHES "^BOOTSTRAP_")
string(SUBSTRING ${variableName} 10 -1 varName)
string(REPLACE ";" "\;" value "${${variableName}}")
list(APPEND PASSTHROUGH_VARIABLES
-D${varName}=${value})
endif()
if(${variableName} AND variableName MATCHES "LLVM_EXTERNAL_.*_SOURCE_DIR")
list(APPEND PASSTHROUGH_VARIABLES
-D${variableName}=${${variableName}})
endif()
endforeach()
# Populate the passthrough variables
foreach(variableName ${CLANG_BOOTSTRAP_PASSTHROUGH} ${BOOTSTRAP_DEFAULT_PASSTHROUGH})
if(${variableName})
string(REPLACE ";" "\;" value ${${variableName}})
list(APPEND PASSTHROUGH_VARIABLES
-D${variableName}=${value})
endif()
endforeach()
ExternalProject_Add(${NEXT_CLANG_STAGE}
DEPENDS clang ${LTO_DEP} ${RUNTIME_DEP} ${PGO_DEP}
PREFIX ${NEXT_CLANG_STAGE}
SOURCE_DIR ${CMAKE_SOURCE_DIR}
STAMP_DIR ${STAMP_DIR}
BINARY_DIR ${BINARY_DIR}
${cmake_3_1_EXCLUDE_FROM_ALL}
CMAKE_ARGS
# We shouldn't need to set this here, but INSTALL_DIR doesn't
# seem to work, so instead I'm passing this through
-DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
${CLANG_BOOTSTRAP_CMAKE_ARGS}
${PASSTHROUGH_VARIABLES}
-DCLANG_STAGE=${NEXT_CLANG_STAGE}
${COMPILER_OPTIONS}
${LTO_LIBRARY} ${LTO_AR} ${LTO_RANLIB} ${verbose} ${PGO_OPT}
INSTALL_COMMAND ""
STEP_TARGETS configure build
${cmake_3_4_USES_TERMINAL_OPTIONS}
)
# exclude really-install from main target
set_target_properties(${NEXT_CLANG_STAGE} PROPERTIES _EP_really-install_EXCLUDE_FROM_MAIN On)
ExternalProject_Add_Step(${NEXT_CLANG_STAGE} really-install
COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --target install
COMMENT "Performing install step for '${NEXT_CLANG_STAGE}'"
DEPENDEES build
${cmake_3_4_USES_TERMINAL}
)
ExternalProject_Add_StepTargets(${NEXT_CLANG_STAGE} really-install)
add_custom_target(${NEXT_CLANG_STAGE}-install DEPENDS ${NEXT_CLANG_STAGE}-really-install)
if(NOT CLANG_BOOTSTRAP_TARGETS)
set(CLANG_BOOTSTRAP_TARGETS check-llvm check-clang check-all)
endif()
foreach(target ${CLANG_BOOTSTRAP_TARGETS})
# exclude from main target
set_target_properties(${NEXT_CLANG_STAGE} PROPERTIES _EP_${target}_EXCLUDE_FROM_MAIN On)
ExternalProject_Add_Step(${NEXT_CLANG_STAGE} ${target}
COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --target ${target}
COMMENT "Performing ${target} for '${NEXT_CLANG_STAGE}'"
DEPENDEES configure
${cmake_3_4_USES_TERMINAL}
)
if(target MATCHES "^stage[0-9]*")
add_custom_target(${target} DEPENDS ${NEXT_CLANG_STAGE}-${target})
endif()
ExternalProject_Add_StepTargets(${NEXT_CLANG_STAGE} ${target})
endforeach()
endif()
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