mirror of
https://github.com/capstone-engine/llvm-capstone.git
synced 2024-12-22 23:39:24 +00:00
c506adcdf2
Instead of using a global define; see comments on D75914.
While here, port 9c9d88d8b1
to the GN build.
876 lines
32 KiB
CMake
876 lines
32 KiB
CMake
cmake_minimum_required(VERSION 3.4.3)
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if(POLICY CMP0075)
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cmake_policy(SET CMP0075 NEW)
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endif()
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# If we are not building as a part of LLVM, build Clang as an
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# standalone project, using LLVM as an external library:
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if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )
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project(Clang)
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# Rely on llvm-config.
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set(CONFIG_OUTPUT)
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if(LLVM_CONFIG)
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set (LLVM_CONFIG_FOUND 1)
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message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}")
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message(DEPRECATION "Using llvm-config to detect the LLVM installation is \
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deprecated. The installed cmake files should be used \
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instead. CMake should be able to detect your LLVM install \
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automatically, but you can also use LLVM_DIR to specify \
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the path containing LLVMConfig.cmake.")
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set(CONFIG_COMMAND ${LLVM_CONFIG}
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"--assertion-mode"
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"--bindir"
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"--libdir"
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"--includedir"
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"--prefix"
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"--src-root"
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"--cmakedir")
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execute_process(
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COMMAND ${CONFIG_COMMAND}
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RESULT_VARIABLE HAD_ERROR
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OUTPUT_VARIABLE CONFIG_OUTPUT
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)
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if(NOT HAD_ERROR)
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string(REGEX REPLACE
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"[ \t]*[\r\n]+[ \t]*" ";"
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CONFIG_OUTPUT ${CONFIG_OUTPUT})
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else()
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string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}")
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message(STATUS "${CONFIG_COMMAND_STR}")
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message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}")
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endif()
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list(GET CONFIG_OUTPUT 0 ENABLE_ASSERTIONS)
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list(GET CONFIG_OUTPUT 1 TOOLS_BINARY_DIR)
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list(GET CONFIG_OUTPUT 2 LIBRARY_DIR)
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list(GET CONFIG_OUTPUT 3 INCLUDE_DIR)
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list(GET CONFIG_OUTPUT 4 LLVM_OBJ_ROOT)
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list(GET CONFIG_OUTPUT 5 MAIN_SRC_DIR)
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list(GET CONFIG_OUTPUT 6 LLVM_CONFIG_CMAKE_PATH)
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# Normalize LLVM_CMAKE_PATH. --cmakedir might contain backslashes.
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# CMake assumes slashes as PATH.
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file(TO_CMAKE_PATH ${LLVM_CONFIG_CMAKE_PATH} LLVM_CMAKE_PATH)
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endif()
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if(NOT MSVC_IDE)
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set(LLVM_ENABLE_ASSERTIONS ${ENABLE_ASSERTIONS}
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CACHE BOOL "Enable assertions")
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# Assertions should follow llvm-config's.
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mark_as_advanced(LLVM_ENABLE_ASSERTIONS)
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endif()
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find_package(LLVM REQUIRED HINTS "${LLVM_CMAKE_PATH}")
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list(APPEND CMAKE_MODULE_PATH ${LLVM_DIR})
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# We can't check LLVM_CONFIG here, because find_package(LLVM ...) also sets
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# LLVM_CONFIG.
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if (NOT LLVM_CONFIG_FOUND)
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# Pull values from LLVMConfig.cmake. We can drop this once the llvm-config
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# path is removed.
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set(TOOLS_BINARY_DIR ${LLVM_TOOLS_BINARY_DIR})
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set(LIBRARY_DIR ${LLVM_LIBRARY_DIR})
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set(INCLUDE_DIR ${LLVM_INCLUDE_DIR})
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set(LLVM_OBJ_DIR ${LLVM_BINARY_DIR})
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# The LLVM_CMAKE_PATH variable is set when doing non-standalone builds and
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# used in this project, so we need to make sure we set this value.
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# FIXME: LLVM_CMAKE_DIR comes from LLVMConfig.cmake. We should rename
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# LLVM_CMAKE_PATH to LLVM_CMAKE_DIR throughout the project.
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set(LLVM_CMAKE_PATH ${LLVM_CMAKE_DIR})
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endif()
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set(LLVM_TOOLS_BINARY_DIR ${TOOLS_BINARY_DIR} CACHE PATH "Path to llvm/bin")
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set(LLVM_LIBRARY_DIR ${LIBRARY_DIR} CACHE PATH "Path to llvm/lib")
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set(LLVM_MAIN_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include")
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set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree")
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set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree")
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find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR}
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NO_DEFAULT_PATH)
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# They are used as destination of target generators.
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set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
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set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
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if(WIN32 OR CYGWIN)
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# DLL platform -- put DLLs into bin.
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set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
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else()
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set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
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endif()
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option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
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option(LLVM_INSTALL_TOOLCHAIN_ONLY
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"Only include toolchain files in the 'install' target." OFF)
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option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
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"Set to ON to force using an old, unsupported host toolchain." OFF)
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option(CLANG_ENABLE_BOOTSTRAP "Generate the clang bootstrap target" OFF)
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option(LLVM_ENABLE_LIBXML2 "Use libxml2 if available." ON)
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include(AddLLVM)
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include(TableGen)
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include(HandleLLVMOptions)
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include(VersionFromVCS)
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include(LLVMDistributionSupport)
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set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")
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if (NOT DEFINED LLVM_INCLUDE_TESTS)
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set(LLVM_INCLUDE_TESTS ON)
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endif()
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include_directories("${LLVM_BINARY_DIR}/include" "${LLVM_MAIN_INCLUDE_DIR}")
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link_directories("${LLVM_LIBRARY_DIR}")
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set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin )
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set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
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set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
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if(LLVM_INCLUDE_TESTS)
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include(FindPythonInterp)
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if(NOT PYTHONINTERP_FOUND)
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message(FATAL_ERROR
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"Unable to find Python interpreter, required for builds and testing.
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Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
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endif()
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if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
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message(FATAL_ERROR "Python 2.7 or newer is required")
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endif()
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# Check prebuilt llvm/utils.
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if(EXISTS ${LLVM_TOOLS_BINARY_DIR}/FileCheck${CMAKE_EXECUTABLE_SUFFIX}
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AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/count${CMAKE_EXECUTABLE_SUFFIX}
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AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/not${CMAKE_EXECUTABLE_SUFFIX})
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set(LLVM_UTILS_PROVIDED ON)
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endif()
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if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
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# Note: path not really used, except for checking if lit was found
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set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
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if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/llvm-lit)
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add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/llvm-lit utils/llvm-lit)
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endif()
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if(NOT LLVM_UTILS_PROVIDED)
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add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/FileCheck utils/FileCheck)
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add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/count utils/count)
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add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/not utils/not)
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set(LLVM_UTILS_PROVIDED ON)
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set(CLANG_TEST_DEPS FileCheck count not)
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endif()
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set(UNITTEST_DIR ${LLVM_MAIN_SRC_DIR}/utils/unittest)
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if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h
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AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
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AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt)
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add_subdirectory(${UNITTEST_DIR} utils/unittest)
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endif()
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else()
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# Seek installed Lit.
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find_program(LLVM_LIT
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NAMES llvm-lit lit.py lit
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PATHS "${LLVM_MAIN_SRC_DIR}/utils/lit"
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DOC "Path to lit.py")
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endif()
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if(LLVM_LIT)
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# Define the default arguments to use with 'lit', and an option for the user
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# to override.
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set(LIT_ARGS_DEFAULT "-sv")
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if (MSVC OR XCODE)
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set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
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endif()
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set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
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# On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
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if( WIN32 AND NOT CYGWIN )
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set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
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endif()
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else()
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set(LLVM_INCLUDE_TESTS OFF)
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endif()
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endif()
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set( CLANG_BUILT_STANDALONE 1 )
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set(BACKEND_PACKAGE_STRING "LLVM ${LLVM_PACKAGE_VERSION}")
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else()
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set(BACKEND_PACKAGE_STRING "${PACKAGE_STRING}")
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endif()
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# Make sure that our source directory is on the current cmake module path so that
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# we can include cmake files from this directory.
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
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if(LLVM_ENABLE_LIBXML2)
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# Don't look for libxml if we're using MSan, since uninstrumented third party
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# code may call MSan interceptors like strlen, leading to false positives.
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if(NOT LLVM_USE_SANITIZER MATCHES "Memory.*")
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set (LIBXML2_FOUND 0)
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find_package(LibXml2 2.5.3 QUIET)
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if (LIBXML2_FOUND)
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set(CLANG_HAVE_LIBXML 1)
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endif()
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endif()
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endif()
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include(CheckIncludeFile)
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check_include_file(sys/resource.h CLANG_HAVE_RLIMITS)
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set(CLANG_RESOURCE_DIR "" CACHE STRING
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"Relative directory from the Clang binary to its resource files.")
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set(C_INCLUDE_DIRS "" CACHE STRING
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"Colon separated list of directories clang will search for headers.")
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set(GCC_INSTALL_PREFIX "" CACHE PATH "Directory where gcc is installed." )
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set(DEFAULT_SYSROOT "" CACHE STRING
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"Default <path> to all compiler invocations for --sysroot=<path>." )
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set(ENABLE_LINKER_BUILD_ID OFF CACHE BOOL "pass --build-id to ld")
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set(ENABLE_X86_RELAX_RELOCATIONS OFF CACHE BOOL
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"enable x86 relax relocations by default")
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set(ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER FALSE CACHE BOOL
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"Enable the experimental new pass manager by default.")
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set(CLANG_SPAWN_CC1 OFF CACHE BOOL
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"Whether clang should use a new process for the CC1 invocation")
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# TODO: verify the values against LangStandards.def?
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set(CLANG_DEFAULT_STD_C "" CACHE STRING
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"Default standard to use for C/ObjC code (IDENT from LangStandards.def, empty for platform default)")
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set(CLANG_DEFAULT_STD_CXX "" CACHE STRING
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"Default standard to use for C++/ObjC++ code (IDENT from LangStandards.def, empty for platform default)")
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set(CLANG_DEFAULT_LINKER "" CACHE STRING
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"Default linker to use (linker name or absolute path, empty for platform default)")
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set(CLANG_DEFAULT_CXX_STDLIB "" CACHE STRING
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"Default C++ stdlib to use (\"libstdc++\" or \"libc++\", empty for platform default")
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if (NOT(CLANG_DEFAULT_CXX_STDLIB STREQUAL "" OR
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CLANG_DEFAULT_CXX_STDLIB STREQUAL "libstdc++" OR
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CLANG_DEFAULT_CXX_STDLIB STREQUAL "libc++"))
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message(WARNING "Resetting default C++ stdlib to use platform default")
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set(CLANG_DEFAULT_CXX_STDLIB "" CACHE STRING
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"Default C++ stdlib to use (\"libstdc++\" or \"libc++\", empty for platform default" FORCE)
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endif()
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set(CLANG_DEFAULT_RTLIB "" CACHE STRING
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"Default runtime library to use (\"libgcc\" or \"compiler-rt\", empty for platform default)")
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if (NOT(CLANG_DEFAULT_RTLIB STREQUAL "" OR
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CLANG_DEFAULT_RTLIB STREQUAL "libgcc" OR
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CLANG_DEFAULT_RTLIB STREQUAL "compiler-rt"))
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message(WARNING "Resetting default rtlib to use platform default")
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set(CLANG_DEFAULT_RTLIB "" CACHE STRING
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"Default runtime library to use (\"libgcc\" or \"compiler-rt\", empty for platform default)" FORCE)
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endif()
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set(CLANG_DEFAULT_UNWINDLIB "" CACHE STRING
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"Default unwind library to use (\"none\" \"libgcc\" or \"libunwind\", empty to match runtime library.)")
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if (CLANG_DEFAULT_UNWINDLIB STREQUAL "")
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if (CLANG_DEFAULT_RTLIB STREQUAL "libgcc")
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set (CLANG_DEFAULT_UNWINDLIB "libgcc" CACHE STRING "" FORCE)
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elseif (CLANG_DEFAULT_RTLIBS STREQUAL "libunwind")
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set (CLANG_DEFAULT_UNWINDLIB "none" CACHE STRING "" FORCE)
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endif()
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endif()
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if (NOT(CLANG_DEFAULT_UNWINDLIB STREQUAL "" OR
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CLANG_DEFAULT_UNWINDLIB STREQUAL "none" OR
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CLANG_DEFAULT_UNWINDLIB STREQUAL "libgcc" OR
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CLANG_DEFAULT_UNWINDLIB STREQUAL "libunwind"))
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message(WARNING "Resetting default unwindlib to use platform default")
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set(CLANG_DEFAULT_UNWINDLIB "" CACHE STRING
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"Default unwind library to use (\"none\" \"libgcc\" or \"libunwind\", empty for none)" FORCE)
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endif()
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set(CLANG_DEFAULT_OBJCOPY "objcopy" CACHE STRING
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"Default objcopy executable to use.")
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set(CLANG_DEFAULT_OPENMP_RUNTIME "libomp" CACHE STRING
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"Default OpenMP runtime used by -fopenmp.")
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# OpenMP offloading requires at least sm_35 because we use shuffle instructions
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# to generate efficient code for reductions and the atomicMax instruction on
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# 64-bit integers in the implementation of conditional lastprivate.
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set(CLANG_OPENMP_NVPTX_DEFAULT_ARCH "sm_35" CACHE STRING
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"Default architecture for OpenMP offloading to Nvidia GPUs.")
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string(REGEX MATCH "^sm_([0-9]+)$" MATCHED_ARCH "${CLANG_OPENMP_NVPTX_DEFAULT_ARCH}")
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if (NOT DEFINED MATCHED_ARCH OR "${CMAKE_MATCH_1}" LESS 35)
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message(WARNING "Resetting default architecture for OpenMP offloading to Nvidia GPUs to sm_35")
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set(CLANG_OPENMP_NVPTX_DEFAULT_ARCH "sm_35" CACHE STRING
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"Default architecture for OpenMP offloading to Nvidia GPUs." FORCE)
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endif()
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set(CLANG_SYSTEMZ_DEFAULT_ARCH "z10" CACHE STRING "SystemZ Default Arch")
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set(CLANG_VENDOR ${PACKAGE_VENDOR} CACHE STRING
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"Vendor-specific text for showing with version information.")
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if( CLANG_VENDOR )
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add_definitions( -DCLANG_VENDOR="${CLANG_VENDOR} " )
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endif()
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set(CLANG_REPOSITORY_STRING "" CACHE STRING
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"Vendor-specific text for showing the repository the source is taken from.")
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if(CLANG_REPOSITORY_STRING)
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add_definitions(-DCLANG_REPOSITORY_STRING="${CLANG_REPOSITORY_STRING}")
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endif()
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set(CLANG_VENDOR_UTI "org.llvm.clang" CACHE STRING
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"Vendor-specific uti.")
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set(CLANG_PYTHON_BINDINGS_VERSIONS "" CACHE STRING
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"Python versions to install libclang python bindings for")
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set(CLANG_LINK_CLANG_DYLIB ${LLVM_LINK_LLVM_DYLIB} CACHE BOOL
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"Link tools against libclang-cpp.so")
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if (NOT LLVM_LINK_LLVM_DYLIB AND CLANG_LINK_CLANG_DYLIB)
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message(FATAL_ERROR "Cannot set CLANG_LINK_CLANG_DYLIB=ON when "
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"LLVM_LINK_LLVM_DYLIB=OFF")
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endif()
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# The libdir suffix must exactly match whatever LLVM's configuration used.
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set(CLANG_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}")
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set(CLANG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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set(CLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
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if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
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message(FATAL_ERROR "In-source builds are not allowed. "
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"Please create a directory and run cmake "
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"from there, passing the path to this source directory as the last argument. "
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"This process created the file `CMakeCache.txt' and the directory "
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"`CMakeFiles'. Please delete them.")
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endif()
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# If CLANG_VERSION_* is specified, use it, if not use LLVM_VERSION_*.
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if(NOT DEFINED CLANG_VERSION_MAJOR)
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set(CLANG_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
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endif()
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if(NOT DEFINED CLANG_VERSION_MINOR)
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set(CLANG_VERSION_MINOR ${LLVM_VERSION_MINOR})
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endif()
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if(NOT DEFINED CLANG_VERSION_PATCHLEVEL)
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set(CLANG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH})
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endif()
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# Unlike PACKAGE_VERSION, CLANG_VERSION does not include LLVM_VERSION_SUFFIX.
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set(CLANG_VERSION "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}.${CLANG_VERSION_PATCHLEVEL}")
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message(STATUS "Clang version: ${CLANG_VERSION}")
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# Configure the Version.inc file.
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/include/clang/Basic/Version.inc.in
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${CMAKE_CURRENT_BINARY_DIR}/include/clang/Basic/Version.inc)
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# Add appropriate flags for GCC
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if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual")
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if (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
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endif ()
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# Enable -pedantic for Clang even if it's not enabled for LLVM.
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if (NOT LLVM_ENABLE_PEDANTIC)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Wno-long-long")
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endif ()
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check_cxx_compiler_flag("-Werror -Wnested-anon-types" CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG)
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if( CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG )
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-nested-anon-types" )
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endif()
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endif ()
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# Determine HOST_LINK_VERSION on Darwin.
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set(HOST_LINK_VERSION)
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if (APPLE)
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set(LD_V_OUTPUT)
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execute_process(
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COMMAND sh -c "${CMAKE_LINKER} -v 2>&1 | head -1"
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RESULT_VARIABLE HAD_ERROR
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OUTPUT_VARIABLE LD_V_OUTPUT
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)
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if (NOT HAD_ERROR)
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if ("${LD_V_OUTPUT}" MATCHES ".*ld64-([0-9.]+).*")
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string(REGEX REPLACE ".*ld64-([0-9.]+).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT})
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elseif ("${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()
|
|
|
|
include(CMakeParseArguments)
|
|
include(AddClang)
|
|
|
|
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
|
|
COMPONENT clang-headers
|
|
FILES_MATCHING
|
|
PATTERN "*.def"
|
|
PATTERN "*.h"
|
|
PATTERN "config.h" EXCLUDE
|
|
PATTERN ".svn" EXCLUDE
|
|
)
|
|
|
|
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/clang
|
|
DESTINATION include
|
|
COMPONENT clang-headers
|
|
FILES_MATCHING
|
|
PATTERN "CMakeFiles" EXCLUDE
|
|
PATTERN "*.inc"
|
|
PATTERN "*.h"
|
|
)
|
|
|
|
# Installing the headers needs to depend on generating any public
|
|
# tablegen'd headers.
|
|
add_custom_target(clang-headers DEPENDS clang-tablegen-targets)
|
|
set_target_properties(clang-headers PROPERTIES FOLDER "Misc")
|
|
if(NOT LLVM_ENABLE_IDE)
|
|
add_llvm_install_targets(install-clang-headers
|
|
DEPENDS clang-headers
|
|
COMPONENT clang-headers)
|
|
endif()
|
|
|
|
add_custom_target(bash-autocomplete DEPENDS utils/bash-autocomplete.sh)
|
|
install(PROGRAMS utils/bash-autocomplete.sh
|
|
DESTINATION share/clang
|
|
COMPONENT bash-autocomplete)
|
|
if(NOT LLVM_ENABLE_IDE)
|
|
add_llvm_install_targets(install-bash-autocomplete
|
|
DEPENDS bash-autocomplete
|
|
COMPONENT bash-autocomplete)
|
|
endif()
|
|
endif()
|
|
|
|
add_definitions( -D_GNU_SOURCE )
|
|
|
|
option(CLANG_BUILD_TOOLS
|
|
"Build the Clang tools. If OFF, just generate build targets." ON)
|
|
|
|
option(CLANG_ENABLE_ARCMT "Build ARCMT." ON)
|
|
option(CLANG_ENABLE_STATIC_ANALYZER "Build static analyzer." ON)
|
|
|
|
option(CLANG_ENABLE_PROTO_FUZZER "Build Clang protobuf fuzzer." OFF)
|
|
|
|
if(NOT CLANG_ENABLE_STATIC_ANALYZER AND CLANG_ENABLE_ARCMT)
|
|
message(FATAL_ERROR "Cannot disable static analyzer while enabling ARCMT or Z3")
|
|
endif()
|
|
|
|
if(CLANG_ENABLE_ARCMT)
|
|
set(CLANG_ENABLE_OBJC_REWRITER ON)
|
|
endif()
|
|
|
|
# Clang version information
|
|
set(CLANG_EXECUTABLE_VERSION
|
|
"${CLANG_VERSION_MAJOR}" CACHE STRING
|
|
"Major version number that will be appended to the clang executable name")
|
|
set(LIBCLANG_LIBRARY_VERSION
|
|
"${CLANG_VERSION_MAJOR}" CACHE STRING
|
|
"Major version number that will be appended to the libclang library")
|
|
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)
|
|
add_custom_target(clang-tablegen-targets DEPENDS ${CLANG_TABLEGEN_TARGETS})
|
|
set_target_properties(clang-tablegen-targets PROPERTIES FOLDER "Misc")
|
|
list(APPEND LLVM_COMMON_DEPENDS clang-tablegen-targets)
|
|
|
|
# Force target to be built as soon as possible. Clang modules builds depend
|
|
# header-wise on it as they ship all headers from the umbrella folders. Building
|
|
# an entire module might include header, which depends on intrinsics_gen.
|
|
if(LLVM_ENABLE_MODULES AND NOT CLANG_BUILT_STANDALONE)
|
|
list(APPEND LLVM_COMMON_DEPENDS intrinsics_gen)
|
|
endif()
|
|
|
|
add_subdirectory(lib)
|
|
add_subdirectory(tools)
|
|
add_subdirectory(runtime)
|
|
|
|
option(CLANG_BUILD_EXAMPLES "Build CLANG example programs by default." OFF)
|
|
add_subdirectory(examples)
|
|
|
|
if(APPLE)
|
|
# this line is needed as a cleanup to ensure that any CMakeCaches with the old
|
|
# default value get updated to the new default.
|
|
if(CLANG_ORDER_FILE STREQUAL "")
|
|
unset(CLANG_ORDER_FILE CACHE)
|
|
unset(CLANG_ORDER_FILE)
|
|
endif()
|
|
|
|
|
|
set(CLANG_ORDER_FILE ${CMAKE_CURRENT_BINARY_DIR}/clang.order CACHE FILEPATH
|
|
"Order file to use when compiling clang in order to improve startup time (Darwin Only - requires ld64).")
|
|
|
|
if(NOT EXISTS ${CLANG_ORDER_FILE})
|
|
string(FIND "${CLANG_ORDER_FILE}" "${CMAKE_CURRENT_BINARY_DIR}" PATH_START)
|
|
if(PATH_START EQUAL 0)
|
|
file(WRITE ${CLANG_ORDER_FILE} "\n")
|
|
else()
|
|
message(FATAL_ERROR "Specified order file '${CLANG_ORDER_FILE}' does not exist.")
|
|
endif()
|
|
endif()
|
|
endif()
|
|
|
|
|
|
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)
|
|
add_subdirectory(bindings/python/tests)
|
|
|
|
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)
|
|
get_property(LLVM_ADDITIONAL_TEST_TARGETS
|
|
GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_TARGETS)
|
|
add_lit_target(check-all
|
|
"Running all regression tests"
|
|
${LLVM_LIT_TESTSUITES}
|
|
PARAMS ${LLVM_LIT_PARAMS}
|
|
DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_TARGETS}
|
|
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()
|
|
|
|
# Custom target to install all clang libraries.
|
|
add_custom_target(clang-libraries)
|
|
set_target_properties(clang-libraries PROPERTIES FOLDER "Misc")
|
|
|
|
if(NOT LLVM_ENABLE_IDE)
|
|
add_llvm_install_targets(install-clang-libraries
|
|
DEPENDS clang-libraries
|
|
COMPONENT clang-libraries)
|
|
endif()
|
|
|
|
get_property(CLANG_LIBS GLOBAL PROPERTY CLANG_LIBS)
|
|
if(CLANG_LIBS)
|
|
list(REMOVE_DUPLICATES CLANG_LIBS)
|
|
foreach(lib ${CLANG_LIBS})
|
|
add_dependencies(clang-libraries ${lib})
|
|
if(NOT LLVM_ENABLE_IDE)
|
|
add_dependencies(install-clang-libraries install-${lib})
|
|
add_dependencies(install-clang-libraries-stripped install-${lib}-stripped)
|
|
endif()
|
|
endforeach()
|
|
endif()
|
|
|
|
add_subdirectory(cmake/modules)
|
|
|
|
if(CLANG_STAGE)
|
|
message(STATUS "Setting current clang stage to: ${CLANG_STAGE}")
|
|
endif()
|
|
|
|
if (CLANG_ENABLE_BOOTSTRAP)
|
|
include(ExternalProject)
|
|
|
|
add_custom_target(clang-bootstrap-deps DEPENDS clang)
|
|
|
|
if(NOT CLANG_STAGE)
|
|
set(CLANG_STAGE stage1)
|
|
endif()
|
|
|
|
string(REGEX MATCH "stage([0-9]*)" MATCHED_STAGE "${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(BOOTSTRAP_LLVM_ENABLE_LLD)
|
|
add_dependencies(clang-bootstrap-deps lld)
|
|
endif()
|
|
|
|
# If the next stage is LTO we need to depend on LTO and possibly lld or LLVMgold
|
|
if(BOOTSTRAP_LLVM_ENABLE_LTO OR LLVM_ENABLE_LTO AND NOT LLVM_BUILD_INSTRUMENTED)
|
|
if(APPLE)
|
|
add_dependencies(clang-bootstrap-deps LTO)
|
|
# on Darwin we need to set DARWIN_LTO_LIBRARY so that -flto will work
|
|
# using the just-built compiler, and we need to override DYLD_LIBRARY_PATH
|
|
# so that the host object file tools will use the just-built libLTO.
|
|
# However if System Integrity Protection is enabled the DYLD variables
|
|
# will be scrubbed from the environment of any base system commands. This
|
|
# includes /bin/sh, which ninja uses when executing build commands. To
|
|
# work around the envar being filtered away we pass it in as a CMake
|
|
# variable, and have LLVM's CMake append the envar to the archiver calls.
|
|
set(LTO_LIBRARY -DDARWIN_LTO_LIBRARY=${LLVM_SHLIB_OUTPUT_INTDIR}/libLTO.dylib
|
|
-DDYLD_LIBRARY_PATH=${LLVM_LIBRARY_OUTPUT_INTDIR})
|
|
elseif(NOT WIN32)
|
|
add_dependencies(clang-bootstrap-deps llvm-ar llvm-ranlib)
|
|
if(NOT BOOTSTRAP_LLVM_ENABLE_LLD AND LLVM_BINUTILS_INCDIR)
|
|
add_dependencies(clang-bootstrap-deps LLVMgold)
|
|
endif()
|
|
set(${CLANG_STAGE}_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar)
|
|
set(${CLANG_STAGE}_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib)
|
|
endif()
|
|
endif()
|
|
|
|
if(CLANG_BOOTSTRAP_EXTRA_DEPS)
|
|
add_dependencies(clang-bootstrap-deps ${CLANG_BOOTSTRAP_EXTRA_DEPS})
|
|
endif()
|
|
|
|
add_custom_target(${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-bootstrap-deps
|
|
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 ${NEXT_CLANG_STAGE} build and stamp directories"
|
|
)
|
|
|
|
if(CMAKE_VERBOSE_MAKEFILE)
|
|
set(verbose -DCMAKE_VERBOSE_MAKEFILE=On)
|
|
endif()
|
|
|
|
set(_BOOTSTRAP_DEFAULT_PASSTHROUGH
|
|
PACKAGE_VERSION
|
|
PACKAGE_VENDOR
|
|
LLVM_VERSION_MAJOR
|
|
LLVM_VERSION_MINOR
|
|
LLVM_VERSION_PATCH
|
|
CLANG_VERSION_MAJOR
|
|
CLANG_VERSION_MINOR
|
|
CLANG_VERSION_PATCHLEVEL
|
|
LLVM_VERSION_SUFFIX
|
|
LLVM_BINUTILS_INCDIR
|
|
CLANG_REPOSITORY_STRING
|
|
CMAKE_C_COMPILER_LAUNCHER
|
|
CMAKE_CXX_COMPILER_LAUNCHER
|
|
CMAKE_MAKE_PROGRAM
|
|
CMAKE_OSX_ARCHITECTURES
|
|
LLVM_ENABLE_PROJECTS
|
|
LLVM_ENABLE_RUNTIMES)
|
|
|
|
# We don't need to depend on compiler-rt/libcxx if we're building instrumented
|
|
# because the next stage will use the same compiler used to build this stage.
|
|
if(NOT LLVM_BUILD_INSTRUMENTED)
|
|
if(TARGET compiler-rt)
|
|
add_dependencies(clang-bootstrap-deps compiler-rt)
|
|
endif()
|
|
if(TARGET cxx-headers)
|
|
add_dependencies(clang-bootstrap-deps cxx-headers)
|
|
endif()
|
|
endif()
|
|
|
|
set(C_COMPILER "clang")
|
|
set(CXX_COMPILER "clang++")
|
|
if(WIN32)
|
|
set(C_COMPILER "clang-cl.exe")
|
|
set(CXX_COMPILER "clang-cl.exe")
|
|
endif()
|
|
|
|
set(COMPILER_OPTIONS
|
|
-DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/${CXX_COMPILER}
|
|
-DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/${C_COMPILER}
|
|
-DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/${C_COMPILER}
|
|
-DCMAKE_ASM_COMPILER_ID=Clang)
|
|
|
|
if(BOOTSTRAP_CMAKE_SYSTEM_NAME)
|
|
set(${CLANG_STAGE}_CONFIG -DLLVM_CONFIG_PATH=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-config)
|
|
set(${CLANG_STAGE}_TABLEGEN
|
|
-DLLVM_TABLEGEN=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-tblgen
|
|
-DCLANG_TABLEGEN=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang-tblgen)
|
|
if(BOOTSTRAP_CMAKE_SYSTEM_NAME STREQUAL "Linux")
|
|
if(BOOTSTRAP_LLVM_ENABLE_LLD)
|
|
set(${CLANG_STAGE}_LINKER -DCMAKE_LINKER=${LLVM_RUNTIME_OUTPUT_INTDIR}/ld.lld)
|
|
endif()
|
|
if(NOT BOOTSTRAP_LLVM_ENABLE_LTO)
|
|
add_dependencies(clang-bootstrap-deps llvm-ar llvm-ranlib)
|
|
set(${CLANG_STAGE}_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar)
|
|
set(${CLANG_STAGE}_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib)
|
|
endif()
|
|
add_dependencies(clang-bootstrap-deps llvm-objcopy llvm-strip)
|
|
set(${CLANG_STAGE}_OBJCOPY -DCMAKE_OBJCOPY=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-objcopy)
|
|
set(${CLANG_STAGE}_STRIP -DCMAKE_STRIP=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-strip)
|
|
endif()
|
|
endif()
|
|
|
|
if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED)
|
|
add_dependencies(clang-bootstrap-deps llvm-profdata)
|
|
set(PGO_OPT -DLLVM_PROFDATA=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-profdata)
|
|
endif()
|
|
|
|
if(LLVM_BUILD_INSTRUMENTED)
|
|
add_dependencies(clang-bootstrap-deps generate-profdata)
|
|
set(PGO_OPT -DLLVM_PROFDATA_FILE=${CMAKE_CURRENT_BINARY_DIR}/utils/perf-training/clang.profdata)
|
|
# Use the current tools for LTO instead of the instrumented ones
|
|
list(APPEND _BOOTSTRAP_DEFAULT_PASSTHROUGH
|
|
CMAKE_CXX_COMPILER
|
|
CMAKE_C_COMPILER
|
|
CMAKE_ASM_COMPILER
|
|
CMAKE_AR
|
|
CMAKE_RANLIB
|
|
DARWIN_LTO_LIBRARY
|
|
DYLD_LIBRARY_PATH)
|
|
|
|
set(COMPILER_OPTIONS)
|
|
set(LTO_LIBRARY)
|
|
set(LTO_AR)
|
|
set(LTO_RANLIB)
|
|
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(DEFINED ${variableName})
|
|
if("${${variableName}}" STREQUAL "")
|
|
set(value "")
|
|
else()
|
|
string(REPLACE ";" "|" value "${${variableName}}")
|
|
endif()
|
|
list(APPEND PASSTHROUGH_VARIABLES
|
|
-D${variableName}=${value})
|
|
endif()
|
|
endforeach()
|
|
|
|
ExternalProject_Add(${NEXT_CLANG_STAGE}
|
|
DEPENDS clang-bootstrap-deps
|
|
PREFIX ${NEXT_CLANG_STAGE}
|
|
SOURCE_DIR ${CMAKE_SOURCE_DIR}
|
|
STAMP_DIR ${STAMP_DIR}
|
|
BINARY_DIR ${BINARY_DIR}
|
|
EXCLUDE_FROM_ALL 1
|
|
CMAKE_ARGS
|
|
# We shouldn't need to set this here, but INSTALL_DIR doesn't
|
|
# seem to work, so instead I'm passing this through
|
|
-DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
|
|
${PASSTHROUGH_VARIABLES}
|
|
${CLANG_BOOTSTRAP_CMAKE_ARGS}
|
|
-DCLANG_STAGE=${NEXT_CLANG_STAGE}
|
|
${COMPILER_OPTIONS}
|
|
${${CLANG_STAGE}_CONFIG}
|
|
${${CLANG_STAGE}_TABLEGEN}
|
|
${LTO_LIBRARY} ${verbose} ${PGO_OPT}
|
|
${${CLANG_STAGE}_LINKER}
|
|
${${CLANG_STAGE}_AR}
|
|
${${CLANG_STAGE}_RANLIB}
|
|
${${CLANG_STAGE}_OBJCOPY}
|
|
${${CLANG_STAGE}_STRIP}
|
|
INSTALL_COMMAND ""
|
|
STEP_TARGETS configure build
|
|
USES_TERMINAL_CONFIGURE 1
|
|
USES_TERMINAL_BUILD 1
|
|
USES_TERMINAL_INSTALL 1
|
|
LIST_SEPARATOR |
|
|
)
|
|
|
|
# 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
|
|
USES_TERMINAL 1
|
|
)
|
|
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
|
|
USES_TERMINAL 1
|
|
)
|
|
|
|
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()
|
|
|
|
if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION)
|
|
add_subdirectory(utils/ClangVisualizers)
|
|
endif()
|
|
add_subdirectory(utils/hmaptool)
|
|
|
|
if(CLANG_BUILT_STANDALONE)
|
|
llvm_distribution_add_targets()
|
|
process_llvm_pass_plugins()
|
|
endif()
|
|
|
|
configure_file(
|
|
${CLANG_SOURCE_DIR}/include/clang/Config/config.h.cmake
|
|
${CLANG_BINARY_DIR}/include/clang/Config/config.h)
|