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set( LLVM_LINK_COMPONENTS
${LLVM_TARGETS_TO_BUILD}
Analysis
CodeGen
Core
IPO
AggressiveInstCombine
InstCombine
Instrumentation
MC
MCParser
ObjCARCOpts
Option
ScalarOpts
Support
TransformUtils
Vectorize
)
# Support plugins.
if(CLANG_PLUGIN_SUPPORT)
set(support_plugins SUPPORT_PLUGINS)
endif()
add_clang_tool(clang
driver.cpp
cc1_main.cpp
cc1as_main.cpp
cc1gen_reproducer_main.cpp
DEPENDS
intrinsics_gen
${support_plugins}
GENERATE_DRIVER
)
clang_target_link_libraries(clang
PRIVATE
clangBasic
clangCodeGen
clangDriver
clangFrontend
clangFrontendTool
clangSerialization
)
if(WIN32 AND NOT CYGWIN)
# Prevent versioning if the buildhost is targeting for Win32.
else()
set_target_properties(clang PROPERTIES VERSION ${CLANG_EXECUTABLE_VERSION})
endif()
# Support plugins.
if(CLANG_PLUGIN_SUPPORT)
export_executable_symbols_for_plugins(clang)
endif()
add_dependencies(clang clang-resource-headers)
if(NOT CLANG_LINKS_TO_CREATE)
set(CLANG_LINKS_TO_CREATE clang++ clang-cl clang-cpp)
endif()
foreach(link ${CLANG_LINKS_TO_CREATE})
add_clang_symlink(${link} clang)
endforeach()
# Configure plist creation for OS X.
set (TOOL_INFO_PLIST "Info.plist" CACHE STRING "Plist name")
if (APPLE)
if (CLANG_VENDOR)
set(TOOL_INFO_NAME "${CLANG_VENDOR} clang")
else()
set(TOOL_INFO_NAME "clang")
endif()
set(TOOL_INFO_UTI "${CLANG_VENDOR_UTI}")
set(TOOL_INFO_VERSION "${CLANG_VERSION}")
set(TOOL_INFO_BUILD_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}")
set(TOOL_INFO_PLIST_OUT "${CMAKE_CURRENT_BINARY_DIR}/${TOOL_INFO_PLIST}")
target_link_libraries(clang
PRIVATE
"-Wl,-sectcreate,__TEXT,__info_plist,\"${TOOL_INFO_PLIST_OUT}\"")
configure_file("${TOOL_INFO_PLIST}.in" "${TOOL_INFO_PLIST_OUT}" @ONLY)
set(TOOL_INFO_UTI)
set(TOOL_INFO_NAME)
set(TOOL_INFO_VERSION)
set(TOOL_INFO_BUILD_VERSION)
endif()
if(CLANG_ORDER_FILE AND
(LLVM_LINKER_IS_LD64 OR LLVM_LINKER_IS_GOLD OR LLVM_LINKER_IS_LLD))
include(LLVMCheckLinkerFlag)
if (LLVM_LINKER_IS_LD64 OR (LLVM_LINKER_IS_LLD AND APPLE))
set(LINKER_ORDER_FILE_OPTION "-Wl,-order_file,${CLANG_ORDER_FILE}")
elseif (LLVM_LINKER_IS_GOLD)
set(LINKER_ORDER_FILE_OPTION "-Wl,--section-ordering-file,${CLANG_ORDER_FILE}")
elseif (LLVM_LINKER_IS_LLD)
set(LINKER_ORDER_FILE_OPTION "-Wl,--symbol-ordering-file,${CLANG_ORDER_FILE}")
endif()
# This is a test to ensure the actual order file works with the linker.
llvm_check_linker_flag(CXX ${LINKER_ORDER_FILE_OPTION} LINKER_ORDER_FILE_WORKS)
# Passing an empty order file disables some linker layout optimizations.
# To work around this and enable workflows for re-linking when the order file
# changes we check during configuration if the file is empty, and make it a
# configuration dependency.
file(READ ${CLANG_ORDER_FILE} ORDER_FILE LIMIT 20)
if("${ORDER_FILE}" STREQUAL "\n")
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${CLANG_ORDER_FILE})
elseif(LINKER_ORDER_FILE_WORKS)
target_link_libraries(clang PRIVATE ${LINKER_ORDER_FILE_OPTION})
set_target_properties(clang PROPERTIES LINK_DEPENDS ${CLANG_ORDER_FILE})
endif()
endif()
|
