forked from OSchip/llvm-project
478 lines
16 KiB
CMake
478 lines
16 KiB
CMake
cmake_minimum_required(VERSION 2.8.8)
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# FIXME: It may be removed when we use 2.8.12.
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if(CMAKE_VERSION VERSION_LESS 2.8.12)
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# Invalidate a couple of keywords.
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set(cmake_2_8_12_INTERFACE)
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set(cmake_2_8_12_PRIVATE)
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else()
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# Use ${cmake_2_8_12_KEYWORD} intead of KEYWORD in target_link_libraries().
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set(cmake_2_8_12_INTERFACE INTERFACE)
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set(cmake_2_8_12_PRIVATE PRIVATE)
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if(POLICY CMP0022)
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cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required
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endif()
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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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find_program(LLVM_CONFIG "llvm-config")
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if(LLVM_CONFIG)
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message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}")
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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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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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else()
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message(FATAL_ERROR "llvm-config not found -- ${LLVM_CONFIG}")
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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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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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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" ${LLVM_TOOLS_BINARY_DIR}
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NO_DEFAULT_PATH)
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set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/share/llvm/cmake")
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set(LLVMCONFIG_FILE "${LLVM_CMAKE_PATH}/LLVMConfig.cmake")
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if(EXISTS ${LLVMCONFIG_FILE})
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list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
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include(${LLVMCONFIG_FILE})
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else()
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message(FATAL_ERROR "Not found: ${LLVMCONFIG_FILE}")
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endif()
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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)
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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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include(AddLLVM)
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include(TableGen)
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include(HandleLLVMOptions)
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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 )
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set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib )
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if(LLVM_INCLUDE_TESTS)
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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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set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
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if(NOT LLVM_UTILS_PROVIDED)
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add_subdirectory(${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 "lit.py" ${LLVM_MAIN_SRC_DIR}/utils/lit
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DOC "Path to lit.py")
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endif()
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if(LLVM_LIT)
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# Define the default arguments to use with 'lit', and an option for the user
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# to override.
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set(LIT_ARGS_DEFAULT "-sv")
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if (MSVC OR XCODE)
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set(LIT_ARGS_DEFAULT "${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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find_package(LibXml2)
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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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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 PATH
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"Default <path> to all compiler invocations for --sysroot=<path>." )
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set(CLANG_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_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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set(CLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
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if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
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message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
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"the makefiles distributed with LLVM. Please create a directory and run cmake "
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"from there, passing the path to this source directory as the last argument. "
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"This process created the file `CMakeCache.txt' and the directory "
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"`CMakeFiles'. Please delete them.")
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endif()
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if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
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file(GLOB_RECURSE
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tablegenned_files_on_include_dir
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"${CLANG_SOURCE_DIR}/include/clang/*.inc")
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if( tablegenned_files_on_include_dir )
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message(FATAL_ERROR "Apparently there is a previous in-source build, "
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"probably as the result of running `configure' and `make' on "
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"${CLANG_SOURCE_DIR}. This may cause problems. The suspicious files are:\n"
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"${tablegenned_files_on_include_dir}\nPlease clean the source directory.")
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endif()
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endif()
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# Compute the Clang version from the LLVM version.
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string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
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${PACKAGE_VERSION})
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message(STATUS "Clang version: ${CLANG_VERSION}")
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string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" CLANG_VERSION_MAJOR
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${CLANG_VERSION})
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string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" CLANG_VERSION_MINOR
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${CLANG_VERSION})
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if (${CLANG_VERSION} MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+")
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set(CLANG_HAS_VERSION_PATCHLEVEL 1)
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string(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" CLANG_VERSION_PATCHLEVEL
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${CLANG_VERSION})
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else()
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set(CLANG_HAS_VERSION_PATCHLEVEL 0)
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endif()
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# Configure the Version.inc file.
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configure_file(
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${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 -Wcast-qual -fno-strict-aliasing")
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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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configure_file(
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${CLANG_SOURCE_DIR}/include/clang/Config/config.h.cmake
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${CLANG_BINARY_DIR}/include/clang/Config/config.h)
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include(CMakeParseArguments)
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function(clang_tablegen)
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# Syntax:
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# clang_tablegen output-file [tablegen-arg ...] SOURCE source-file
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# [[TARGET cmake-target-name] [DEPENDS extra-dependency ...]]
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#
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# Generates a custom command for invoking tblgen as
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#
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# tblgen source-file -o=output-file tablegen-arg ...
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#
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# and, if cmake-target-name is provided, creates a custom target for
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# executing the custom command depending on output-file. It is
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# possible to list more files to depend after DEPENDS.
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cmake_parse_arguments(CTG "" "SOURCE;TARGET" "" ${ARGN})
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if( NOT CTG_SOURCE )
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message(FATAL_ERROR "SOURCE source-file required by clang_tablegen")
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endif()
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set( LLVM_TARGET_DEFINITIONS ${CTG_SOURCE} )
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tablegen(CLANG ${CTG_UNPARSED_ARGUMENTS})
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if(CTG_TARGET)
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add_public_tablegen_target(${CTG_TARGET})
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set_target_properties( ${CTG_TARGET} PROPERTIES FOLDER "Clang tablegenning")
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set_property(GLOBAL APPEND PROPERTY CLANG_TABLEGEN_TARGETS ${CTG_TARGET})
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endif()
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endfunction(clang_tablegen)
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macro(add_clang_library name)
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cmake_parse_arguments(ARG
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""
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""
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"ADDITIONAL_HEADERS"
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${ARGN})
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set(srcs)
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if(MSVC_IDE OR XCODE)
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# Add public headers
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file(RELATIVE_PATH lib_path
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${CLANG_SOURCE_DIR}/lib/
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${CMAKE_CURRENT_SOURCE_DIR}
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)
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if(NOT lib_path MATCHES "^[.][.]")
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file( GLOB_RECURSE headers
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${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.h
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${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.def
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)
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set_source_files_properties(${headers} PROPERTIES HEADER_FILE_ONLY ON)
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file( GLOB_RECURSE tds
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${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.td
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)
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source_group("TableGen descriptions" FILES ${tds})
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set_source_files_properties(${tds}} PROPERTIES HEADER_FILE_ONLY ON)
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if(headers OR tds)
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set(srcs ${headers} ${tds})
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endif()
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endif()
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endif(MSVC_IDE OR XCODE)
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if(srcs OR ARG_ADDITIONAL_HEADERS)
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set(srcs
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ADDITIONAL_HEADERS
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${srcs}
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${ARG_ADDITIONAL_HEADERS} # It may contain unparsed unknown args.
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)
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endif()
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llvm_add_library(${name} ${ARG_UNPARSED_ARGUMENTS} ${srcs})
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if(TARGET ${name})
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target_link_libraries(${name} ${cmake_2_8_12_INTERFACE} ${LLVM_COMMON_LIBS})
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if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "libclang")
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install(TARGETS ${name}
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LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
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ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
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RUNTIME DESTINATION bin)
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endif()
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else()
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# Add empty "phony" target
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add_custom_target(${name})
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endif()
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set_target_properties(${name} PROPERTIES FOLDER "Clang libraries")
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endmacro(add_clang_library)
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macro(add_clang_executable name)
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add_llvm_executable( ${name} ${ARGN} )
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set_target_properties(${name} PROPERTIES FOLDER "Clang executables")
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endmacro(add_clang_executable)
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set(CMAKE_INCLUDE_CURRENT_DIR ON)
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include_directories(BEFORE
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${CMAKE_CURRENT_BINARY_DIR}/include
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${CMAKE_CURRENT_SOURCE_DIR}/include
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)
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if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
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install(DIRECTORY include/clang include/clang-c
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DESTINATION include
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FILES_MATCHING
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PATTERN "*.def"
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PATTERN "*.h"
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PATTERN "config.h" EXCLUDE
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PATTERN ".svn" EXCLUDE
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)
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install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/clang
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DESTINATION include
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FILES_MATCHING
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PATTERN "CMakeFiles" EXCLUDE
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PATTERN "*.inc"
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)
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endif()
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install(DIRECTORY include/clang-c
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DESTINATION include
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FILES_MATCHING
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PATTERN "*.h"
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PATTERN ".svn" EXCLUDE
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)
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add_definitions( -D_GNU_SOURCE )
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option(CLANG_ENABLE_ARCMT "Build ARCMT." ON)
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option(CLANG_ENABLE_REWRITER "Build rewriter." ON)
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option(CLANG_ENABLE_STATIC_ANALYZER "Build static analyzer." ON)
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if (NOT CLANG_ENABLE_REWRITER AND CLANG_ENABLE_ARCMT)
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message(FATAL_ERROR "Cannot disable rewriter while enabling ARCMT")
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endif()
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if (NOT CLANG_ENABLE_REWRITER AND CLANG_ENABLE_STATIC_ANALYZER)
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message(FATAL_ERROR "Cannot disable rewriter while enabling static analyzer")
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endif()
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if (NOT CLANG_ENABLE_STATIC_ANALYZER AND CLANG_ENABLE_ARCMT)
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message(FATAL_ERROR "Cannot disable static analyzer while enabling ARCMT")
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endif()
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if(CLANG_ENABLE_ARCMT)
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add_definitions(-DCLANG_ENABLE_ARCMT)
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endif()
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if(CLANG_ENABLE_REWRITER)
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add_definitions(-DCLANG_ENABLE_REWRITER)
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endif()
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if(CLANG_ENABLE_STATIC_ANALYZER)
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add_definitions(-DCLANG_ENABLE_STATIC_ANALYZER)
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endif()
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# Clang version information
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set(CLANG_EXECUTABLE_VERSION
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"${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING
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"Version number that will be placed into the clang executable, in the form XX.YY")
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set(LIBCLANG_LIBRARY_VERSION
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"${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING
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"Version number that will be placed into the libclang library , in the form XX.YY")
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mark_as_advanced(CLANG_EXECUTABLE_VERSION LIBCLANG_LIBRARY_VERSION)
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add_subdirectory(utils/TableGen)
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add_subdirectory(include)
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# All targets below may depend on all tablegen'd files.
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get_property(CLANG_TABLEGEN_TARGETS GLOBAL PROPERTY CLANG_TABLEGEN_TARGETS)
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list(APPEND LLVM_COMMON_DEPENDS ${CLANG_TABLEGEN_TARGETS})
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add_subdirectory(lib)
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add_subdirectory(tools)
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add_subdirectory(runtime)
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option(CLANG_BUILD_EXAMPLES "Build CLANG example programs by default." OFF)
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if (CLANG_BUILD_EXAMPLES)
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set(ENABLE_CLANG_EXAMPLES "1")
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else()
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set(ENABLE_CLANG_EXAMPLES "0")
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endif()
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add_subdirectory(examples)
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option(CLANG_INCLUDE_TESTS
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"Generate build targets for the Clang unit tests."
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${LLVM_INCLUDE_TESTS})
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if( CLANG_INCLUDE_TESTS )
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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()
|
|
endif()
|
|
|
|
option(CLANG_INCLUDE_DOCS "Generate build targets for the Clang docs."
|
|
${LLVM_INCLUDE_DOCS})
|
|
if( CLANG_INCLUDE_DOCS )
|
|
add_subdirectory(docs)
|
|
endif()
|
|
|
|
set(CLANG_ORDER_FILE "" CACHE FILEPATH
|
|
"Order file to use when compiling clang in order to improve startup time.")
|