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set( LLVM_LINK_COMPONENTS
${LLVM_TARGETS_TO_BUILD}
Analysis
CodeGen
Core
IPO
InstCombine
Instrumentation
MC
MCParser
ObjCARCOpts
Option
ScalarOpts
Support
TransformUtils
Vectorize
)
option(CLANG_PLUGIN_SUPPORT "Build clang with plugin support" ON)
# Support plugins. This must be before add_clang_executable as it reads
# LLVM_NO_DEAD_STRIP.
if(CLANG_PLUGIN_SUPPORT)
set(LLVM_NO_DEAD_STRIP 1)
endif()
if(NOT CLANG_BUILT_STANDALONE)
set(tablegen_deps intrinsics_gen)
endif()
add_clang_tool(clang
driver.cpp
cc1_main.cpp
cc1as_main.cpp
DEPENDS
${tablegen_deps}
)
target_link_libraries(clang
clangBasic
clangCodeGen
clangDriver
clangFrontend
clangFrontendTool
)
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(clang)
endif()
add_dependencies(clang clang-headers)
if(NOT CLANG_LINKS_TO_CREATE)
set(CLANG_LINKS_TO_CREATE clang++ clang-cl clang-cpp)
if (WIN32)
list(APPEND CLANG_LINKS_TO_CREATE ../msbuild-bin/cl)
endif()
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}/${TOOL_INFO_PLIST}")
target_link_libraries(clang
"-Wl,-sectcreate,__TEXT,__info_plist,${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()
# the linker -order_file flag is only supported by ld64
if(LD64_EXECUTABLE AND CLANG_ORDER_FILE)
include(CMakePushCheckState)
function(check_linker_flag flag out_var)
cmake_push_check_state()
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${flag}")
check_cxx_compiler_flag("" ${out_var})
cmake_pop_check_state()
endfunction()
# This is a test to ensure the actual order file works with the linker.
check_linker_flag("-Wl,-order_file,${CLANG_ORDER_FILE}"
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 ${CLANG_ORDER_FILE})
elseif(LINKER_ORDER_FILE_WORKS)
target_link_libraries(clang "-Wl,-order_file,${CLANG_ORDER_FILE}")
set_target_properties(clang PROPERTIES LINK_DEPENDS ${CLANG_ORDER_FILE})
endif()
endif()
if(WITH_POLLY AND LINK_POLLY_INTO_TOOLS)
target_link_libraries(clang Polly)
endif(WITH_POLLY AND LINK_POLLY_INTO_TOOLS)
|
