/
AddLLVM.cmake
2230 lines (1992 loc) · 83.3 KB
/
AddLLVM.cmake
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include(GNUInstallDirs)
include(LLVMDistributionSupport)
include(LLVMProcessSources)
include(LLVM-Config)
include(DetermineGCCCompatible)
function(llvm_update_compile_flags name)
get_property(sources TARGET ${name} PROPERTY SOURCES)
if("${sources}" MATCHES "\\.c(;|$)")
set(update_src_props ON)
endif()
list(APPEND LLVM_COMPILE_CFLAGS " ${LLVM_COMPILE_FLAGS}")
# LLVM_REQUIRES_EH is an internal flag that individual targets can use to
# force EH
if(LLVM_REQUIRES_EH OR LLVM_ENABLE_EH)
if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI))
message(AUTHOR_WARNING "Exception handling requires RTTI. Enabling RTTI for ${name}")
set(LLVM_REQUIRES_RTTI ON)
endif()
if(MSVC)
list(APPEND LLVM_COMPILE_FLAGS "/EHsc")
endif()
else()
if(LLVM_COMPILER_IS_GCC_COMPATIBLE)
list(APPEND LLVM_COMPILE_FLAGS "-fno-exceptions")
if(NOT LLVM_ENABLE_UNWIND_TABLES)
list(APPEND LLVM_COMPILE_FLAGS "-fno-unwind-tables")
list(APPEND LLVM_COMPILE_FLAGS "-fno-asynchronous-unwind-tables")
endif()
elseif(MSVC)
list(APPEND LLVM_COMPILE_DEFINITIONS _HAS_EXCEPTIONS=0)
list(APPEND LLVM_COMPILE_FLAGS "/EHs-c-")
elseif (CMAKE_CXX_COMPILER_ID MATCHES "XL")
list(APPEND LLVM_COMPILE_FLAGS "-qnoeh")
endif()
endif()
# LLVM_REQUIRES_RTTI is an internal flag that individual
# targets can use to force RTTI
set(LLVM_CONFIG_HAS_RTTI YES CACHE INTERNAL "")
if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI))
set(LLVM_CONFIG_HAS_RTTI NO CACHE INTERNAL "")
list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0)
if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti")
elseif (MSVC)
list(APPEND LLVM_COMPILE_FLAGS "/GR-")
elseif (CMAKE_CXX_COMPILER_ID MATCHES "XL")
list(APPEND LLVM_COMPILE_FLAGS "-qnortti")
endif ()
elseif(MSVC)
list(APPEND LLVM_COMPILE_FLAGS "/GR")
endif()
# Assume that;
# - LLVM_COMPILE_FLAGS is list.
# - PROPERTY COMPILE_FLAGS is string.
string(REPLACE ";" " " target_compile_flags " ${LLVM_COMPILE_FLAGS}")
string(REPLACE ";" " " target_compile_cflags " ${LLVM_COMPILE_CFLAGS}")
if(update_src_props)
foreach(fn ${sources})
get_filename_component(suf ${fn} EXT)
if("${suf}" STREQUAL ".cpp")
set_property(SOURCE ${fn} APPEND_STRING PROPERTY
COMPILE_FLAGS "${target_compile_flags}")
endif()
if("${suf}" STREQUAL ".c")
set_property(SOURCE ${fn} APPEND_STRING PROPERTY
COMPILE_FLAGS "${target_compile_cflags}")
endif()
endforeach()
else()
# Update target props, since all sources are C++.
set_property(TARGET ${name} APPEND_STRING PROPERTY
COMPILE_FLAGS "${target_compile_flags}")
endif()
set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS})
endfunction()
function(add_llvm_symbol_exports target_name export_file)
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set(native_export_file "${target_name}.exports")
add_custom_command(OUTPUT ${native_export_file}
COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file}
DEPENDS ${export_file}
VERBATIM
COMMENT "Creating export file for ${target_name}")
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,-exported_symbols_list,\"${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}\"")
elseif(${CMAKE_SYSTEM_NAME} MATCHES "AIX")
# FIXME: `-Wl,-bE:` bypasses whatever handling there is in the build
# compiler driver to defer to the specified export list.
set(native_export_file "${export_file}")
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,-bE:${export_file}")
elseif(LLVM_HAVE_LINK_VERSION_SCRIPT)
# Gold and BFD ld require a version script rather than a plain list.
set(native_export_file "${target_name}.exports")
# FIXME: Don't write the "local:" line on OpenBSD.
# in the export file, also add a linker script to version LLVM symbols (form: LLVM_N.M)
add_custom_command(OUTPUT ${native_export_file}
COMMAND echo "LLVM_${LLVM_VERSION_MAJOR} {" > ${native_export_file}
COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || :
COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file}
COMMAND echo " local: *;" >> ${native_export_file}
COMMAND echo "};" >> ${native_export_file}
DEPENDS ${export_file}
VERBATIM
COMMENT "Creating export file for ${target_name}")
if (${LLVM_LINKER_IS_SOLARISLD})
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,-M,\"${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}\"")
else()
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,--version-script,\"${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}\"")
endif()
else()
set(native_export_file "${target_name}.def")
add_custom_command(OUTPUT ${native_export_file}
COMMAND "${Python3_EXECUTABLE}" -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))"
< ${export_file} > ${native_export_file}
DEPENDS ${export_file}
VERBATIM
COMMENT "Creating export file for ${target_name}")
set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
if(MSVC)
set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"")
endif()
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " ${export_file_linker_flag}")
endif()
add_custom_target(${target_name}_exports DEPENDS ${native_export_file})
set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc")
get_property(srcs TARGET ${target_name} PROPERTY SOURCES)
foreach(src ${srcs})
get_filename_component(extension ${src} EXT)
if(extension STREQUAL ".cpp")
set(first_source_file ${src})
break()
endif()
endforeach()
# Force re-linking when the exports file changes. Actually, it
# forces recompilation of the source file. The LINK_DEPENDS target
# property only works for makefile-based generators.
# FIXME: This is not safe because this will create the same target
# ${native_export_file} in several different file:
# - One where we emitted ${target_name}_exports
# - One where we emitted the build command for the following object.
# set_property(SOURCE ${first_source_file} APPEND PROPERTY
# OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file})
set_property(DIRECTORY APPEND
PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file})
add_dependencies(${target_name} ${target_name}_exports)
# Add dependency to *_exports later -- CMake issue 14747
list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports)
set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE)
endfunction(add_llvm_symbol_exports)
if (NOT DEFINED LLVM_LINKER_DETECTED AND NOT WIN32)
# Detect what linker we have here.
if(APPLE)
# Linkers with ld64-compatible flags.
set(version_flag "-Wl,-v")
else()
# Linkers with BFD ld-compatible flags.
set(version_flag "-Wl,--version")
endif()
if(LLVM_USE_LINKER)
set(command ${CMAKE_C_COMPILER} -fuse-ld=${LLVM_USE_LINKER} ${version_flag})
else()
separate_arguments(flags UNIX_COMMAND "${CMAKE_EXE_LINKER_FLAGS}")
set(command ${CMAKE_C_COMPILER} ${flags} ${version_flag})
endif()
execute_process(
COMMAND ${command}
OUTPUT_VARIABLE stdout
ERROR_VARIABLE stderr
)
if(APPLE)
if("${stderr}" MATCHES "PROJECT:ld64")
set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "")
set(LLVM_LINKER_IS_LD64 YES CACHE INTERNAL "")
message(STATUS "Linker detection: ld64")
elseif("${stderr}" MATCHES "^LLD" OR
"${stdout}" MATCHES "^LLD")
set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "")
set(LLVM_LINKER_IS_LLD YES CACHE INTERNAL "")
message(STATUS "Linker detection: lld")
else()
set(LLVM_LINKER_DETECTED NO CACHE INTERNAL "")
message(STATUS "Linker detection: unknown")
endif()
else()
if("${stdout}" MATCHES "^mold")
set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "")
message(STATUS "Linker detection: mold")
elseif("${stdout}" MATCHES "GNU gold")
set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "")
set(LLVM_LINKER_IS_GOLD YES CACHE INTERNAL "")
message(STATUS "Linker detection: GNU Gold")
elseif("${stdout}" MATCHES "^LLD")
set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "")
set(LLVM_LINKER_IS_LLD YES CACHE INTERNAL "")
message(STATUS "Linker detection: LLD")
elseif("${stdout}" MATCHES "GNU ld")
set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "")
set(LLVM_LINKER_IS_GNULD YES CACHE INTERNAL "")
message(STATUS "Linker detection: GNU ld")
elseif("${stderr}" MATCHES "Solaris Link Editors" OR
"${stdout}" MATCHES "Solaris Link Editors")
set(LLVM_LINKER_DETECTED YES CACHE INTERNAL "")
set(LLVM_LINKER_IS_SOLARISLD YES CACHE INTERNAL "")
message(STATUS "Linker detection: Solaris ld")
else()
set(LLVM_LINKER_DETECTED NO CACHE INTERNAL "")
message(STATUS "Linker detection: unknown")
endif()
endif()
endif()
function(add_link_opts target_name)
get_llvm_distribution(${target_name} in_distribution in_distribution_var)
if(NOT in_distribution)
# Don't LTO optimize targets that aren't part of any distribution.
if (LLVM_ENABLE_LTO)
# We may consider avoiding LTO altogether by using -fembed-bitcode
# and teaching the linker to select machine code from .o files, see
# https://lists.llvm.org/pipermail/llvm-dev/2021-April/149843.html
if((UNIX OR MINGW) AND LINKER_IS_LLD)
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,--lto-O0")
elseif(LINKER_IS_LLD_LINK)
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " /opt:lldlto=0")
elseif(APPLE AND NOT uppercase_LLVM_ENABLE_LTO STREQUAL "THIN")
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,-mllvm,-O0")
endif()
endif()
endif()
# Don't use linker optimizations in debug builds since it slows down the
# linker in a context where the optimizations are not important.
if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
if(NOT LLVM_NO_DEAD_STRIP)
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
# ld64's implementation of -dead_strip breaks tools that use plugins.
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,-dead_strip")
elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
# Support for ld -z discard-unused=sections was only added in
# Solaris 11.4.
include(LLVMCheckLinkerFlag)
llvm_check_linker_flag(CXX "-Wl,-z,discard-unused=sections" LINKER_SUPPORTS_Z_DISCARD_UNUSED)
if (LINKER_SUPPORTS_Z_DISCARD_UNUSED)
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,-z,discard-unused=sections")
endif()
elseif(NOT MSVC AND NOT CMAKE_SYSTEM_NAME MATCHES "AIX|OS390")
# TODO Revisit this later on z/OS.
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,--gc-sections")
endif()
else() #LLVM_NO_DEAD_STRIP
if(${CMAKE_SYSTEM_NAME} MATCHES "AIX")
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,-bnogc")
endif()
endif()
endif()
if(ARG_SUPPORT_PLUGINS AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX")
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,-brtl")
endif()
endfunction(add_link_opts)
# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}.
# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more,
# or a certain builder, for eaxample, msbuild.exe, would be confused.
function(set_output_directory target)
cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR" "" ${ARGN})
# module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY.
# It affects output of add_library(MODULE).
if(WIN32 OR CYGWIN)
# DLL platform
set(module_dir ${ARG_BINARY_DIR})
else()
set(module_dir ${ARG_LIBRARY_DIR})
endif()
if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".")
foreach(build_mode ${CMAKE_CONFIGURATION_TYPES})
string(TOUPPER "${build_mode}" CONFIG_SUFFIX)
if(ARG_BINARY_DIR)
string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR})
set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi})
endif()
if(ARG_LIBRARY_DIR)
string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR})
set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li})
endif()
if(module_dir)
string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir})
set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi})
endif()
endforeach()
else()
if(ARG_BINARY_DIR)
set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR})
endif()
if(ARG_LIBRARY_DIR)
set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR})
endif()
if(module_dir)
set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir})
endif()
endif()
endfunction()
# If on Windows and building with MSVC, add the resource script containing the
# VERSIONINFO data to the project. This embeds version resource information
# into the output .exe or .dll.
# TODO: Enable for MinGW Windows builds too.
#
function(add_windows_version_resource_file OUT_VAR)
set(sources ${ARGN})
if (MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc)
if(EXISTS ${resource_file})
set(sources ${sources} ${resource_file})
source_group("Resource Files" ${resource_file})
set(windows_resource_file ${resource_file} PARENT_SCOPE)
endif()
endif(MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
set(${OUT_VAR} ${sources} PARENT_SCOPE)
endfunction(add_windows_version_resource_file)
# set_windows_version_resource_properties(name resource_file...
# VERSION_MAJOR int
# Optional major version number (defaults to LLVM_VERSION_MAJOR)
# VERSION_MINOR int
# Optional minor version number (defaults to LLVM_VERSION_MINOR)
# VERSION_PATCHLEVEL int
# Optional patchlevel version number (defaults to LLVM_VERSION_PATCH)
# VERSION_STRING
# Optional version string (defaults to PACKAGE_VERSION)
# PRODUCT_NAME
# Optional product name string (defaults to "LLVM")
# )
function(set_windows_version_resource_properties name resource_file)
cmake_parse_arguments(ARG
""
"VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME"
""
${ARGN})
if (NOT DEFINED ARG_VERSION_MAJOR)
set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
endif()
if (NOT DEFINED ARG_VERSION_MINOR)
set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR})
endif()
if (NOT DEFINED ARG_VERSION_PATCHLEVEL)
set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH})
endif()
if (NOT DEFINED ARG_VERSION_STRING)
set(ARG_VERSION_STRING ${PACKAGE_VERSION})
endif()
if (NOT DEFINED ARG_PRODUCT_NAME)
set(ARG_PRODUCT_NAME "LLVM")
endif()
set_property(SOURCE ${resource_file}
PROPERTY COMPILE_FLAGS /nologo)
set_property(SOURCE ${resource_file}
PROPERTY COMPILE_DEFINITIONS
"RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}"
"RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}"
"RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}"
"RC_VERSION_FIELD_4=0"
"RC_FILE_VERSION=\"${ARG_VERSION_STRING}\""
"RC_INTERNAL_NAME=\"${name}\""
"RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\""
"RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"")
endfunction(set_windows_version_resource_properties)
# llvm_add_library(name sources...
# SHARED;STATIC
# STATIC by default w/o BUILD_SHARED_LIBS.
# SHARED by default w/ BUILD_SHARED_LIBS.
# OBJECT
# Also create an OBJECT library target. Default if STATIC && SHARED.
# MODULE
# Target ${name} might not be created on unsupported platforms.
# Check with "if(TARGET ${name})".
# DISABLE_LLVM_LINK_LLVM_DYLIB
# Do not link this library to libLLVM, even if
# LLVM_LINK_LLVM_DYLIB is enabled.
# OUTPUT_NAME name
# Corresponds to OUTPUT_NAME in target properties.
# DEPENDS targets...
# Same semantics as add_dependencies().
# LINK_COMPONENTS components...
# Same as the variable LLVM_LINK_COMPONENTS.
# LINK_LIBS lib_targets...
# Same semantics as target_link_libraries().
# ADDITIONAL_HEADERS
# May specify header files for IDE generators.
# SONAME
# Should set SONAME link flags and create symlinks
# NO_INSTALL_RPATH
# Suppress default RPATH settings in shared libraries.
# PLUGIN_TOOL
# The tool (i.e. cmake target) that this plugin will link against
# COMPONENT_LIB
# This is used to specify that this is a component library of
# LLVM which means that the source resides in llvm/lib/ and it is a
# candidate for inclusion into libLLVM.so.
# )
function(llvm_add_library name)
cmake_parse_arguments(ARG
"MODULE;SHARED;STATIC;OBJECT;DISABLE_LLVM_LINK_LLVM_DYLIB;SONAME;NO_INSTALL_RPATH;COMPONENT_LIB"
"OUTPUT_NAME;PLUGIN_TOOL;ENTITLEMENTS;BUNDLE_PATH"
"ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS"
${ARGN})
list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS})
if(ARG_ADDITIONAL_HEADERS)
# Pass through ADDITIONAL_HEADERS.
set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS})
endif()
if(ARG_OBJLIBS)
set(ALL_FILES ${ARG_OBJLIBS})
else()
llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS})
endif()
if(ARG_MODULE)
if(ARG_SHARED OR ARG_STATIC)
message(WARNING "MODULE with SHARED|STATIC doesn't make sense.")
endif()
# Plugins that link against a tool are allowed even when plugins in general are not
if(NOT LLVM_ENABLE_PLUGINS AND NOT (ARG_PLUGIN_TOOL AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS))
message(STATUS "${name} ignored -- Loadable modules not supported on this platform.")
return()
endif()
else()
if(ARG_PLUGIN_TOOL)
message(WARNING "PLUGIN_TOOL without MODULE doesn't make sense.")
endif()
if(BUILD_SHARED_LIBS AND NOT ARG_STATIC)
set(ARG_SHARED TRUE)
endif()
if(NOT ARG_SHARED)
set(ARG_STATIC TRUE)
endif()
endif()
# Generate objlib
if((ARG_SHARED AND ARG_STATIC) OR ARG_OBJECT)
# Generate an obj library for both targets.
set(obj_name "obj.${name}")
add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
${ALL_FILES}
)
llvm_update_compile_flags(${obj_name})
if(CMAKE_GENERATOR STREQUAL "Xcode")
set(DUMMY_FILE ${CMAKE_CURRENT_BINARY_DIR}/Dummy.c)
file(WRITE ${DUMMY_FILE} "// This file intentionally empty\n")
set_property(SOURCE ${DUMMY_FILE} APPEND_STRING PROPERTY COMPILE_FLAGS "-Wno-empty-translation-unit")
endif()
set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>" ${DUMMY_FILE})
# Do add_dependencies(obj) later due to CMake issue 14747.
list(APPEND objlibs ${obj_name})
# Bring in the target include directories from our original target.
target_include_directories(${obj_name} PRIVATE $<TARGET_PROPERTY:${name},INCLUDE_DIRECTORIES>)
set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
if(ARG_DEPENDS)
add_dependencies(${obj_name} ${ARG_DEPENDS})
endif()
# Treat link libraries like PUBLIC dependencies. LINK_LIBS might
# result in generating header files. Add a dependendency so that
# the generated header is created before this object library.
if(ARG_LINK_LIBS)
cmake_parse_arguments(LINK_LIBS_ARG
""
""
"PUBLIC;PRIVATE"
${ARG_LINK_LIBS})
foreach(link_lib ${LINK_LIBS_ARG_PUBLIC})
if(LLVM_PTHREAD_LIB)
# Can't specify a dependence on -lpthread
if(NOT ${link_lib} STREQUAL ${LLVM_PTHREAD_LIB})
add_dependencies(${obj_name} ${link_lib})
endif()
else()
add_dependencies(${obj_name} ${link_lib})
endif()
endforeach()
endif()
endif()
if(ARG_SHARED AND ARG_STATIC)
# static
set(name_static "${name}_static")
if(ARG_OUTPUT_NAME)
set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}")
endif()
# DEPENDS has been appended to LLVM_COMMON_LIBS.
llvm_add_library(${name_static} STATIC
${output_name}
OBJLIBS ${ALL_FILES} # objlib
LINK_LIBS ${ARG_LINK_LIBS}
LINK_COMPONENTS ${ARG_LINK_COMPONENTS}
)
# Bring in the target link info from our original target.
target_link_directories(${name_static} PRIVATE $<TARGET_PROPERTY:${name},LINK_DIRECTORIES>)
target_link_libraries(${name_static} PRIVATE $<TARGET_PROPERTY:${name},LINK_LIBRARIES>)
# FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY.
set(ARG_STATIC)
endif()
if(ARG_MODULE)
add_library(${name} MODULE ${ALL_FILES})
elseif(ARG_SHARED)
add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
add_library(${name} SHARED ${ALL_FILES})
else()
add_library(${name} STATIC ${ALL_FILES})
endif()
if(ARG_COMPONENT_LIB)
set_target_properties(${name} PROPERTIES LLVM_COMPONENT TRUE)
set_property(GLOBAL APPEND PROPERTY LLVM_COMPONENT_LIBS ${name})
endif()
if(NOT ARG_NO_INSTALL_RPATH)
if(ARG_MODULE OR ARG_SHARED)
llvm_setup_rpath(${name})
endif()
endif()
setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS})
if(DEFINED windows_resource_file)
set_windows_version_resource_properties(${name} ${windows_resource_file})
set(windows_resource_file ${windows_resource_file} PARENT_SCOPE)
endif()
set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
# $<TARGET_OBJECTS> doesn't require compile flags.
if(NOT obj_name)
llvm_update_compile_flags(${name})
endif()
add_link_opts( ${name} )
if(ARG_OUTPUT_NAME)
set_target_properties(${name}
PROPERTIES
OUTPUT_NAME ${ARG_OUTPUT_NAME}
)
endif()
if(ARG_MODULE)
set_target_properties(${name} PROPERTIES
PREFIX ""
SUFFIX ${LLVM_PLUGIN_EXT}
)
endif()
if(ARG_SHARED)
if(MSVC)
set_target_properties(${name} PROPERTIES
PREFIX ""
)
endif()
# Set SOVERSION on shared libraries that lack explicit SONAME
# specifier, on *nix systems that are not Darwin.
if(UNIX AND NOT APPLE AND NOT ARG_SONAME)
set_target_properties(${name}
PROPERTIES
# Since 4.0.0, the ABI version is indicated by the major version
SOVERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX}
VERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX})
endif()
endif()
if(ARG_MODULE OR ARG_SHARED)
# Do not add -Dname_EXPORTS to the command-line when building files in this
# target. Doing so is actively harmful for the modules build because it
# creates extra module variants, and not useful because we don't use these
# macros.
set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" )
if (LLVM_EXPORTED_SYMBOL_FILE)
add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
endif()
endif()
if(ARG_SHARED)
if(NOT APPLE AND ARG_SONAME)
get_target_property(output_name ${name} OUTPUT_NAME)
if(${output_name} STREQUAL "output_name-NOTFOUND")
set(output_name ${name})
endif()
set(library_name ${output_name}-${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX})
set(api_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX})
set_target_properties(${name} PROPERTIES OUTPUT_NAME ${library_name})
if(UNIX)
llvm_install_library_symlink(${api_name} ${library_name} SHARED
COMPONENT ${name})
llvm_install_library_symlink(${output_name} ${library_name} SHARED
COMPONENT ${name})
endif()
endif()
endif()
if(ARG_STATIC)
set(libtype PUBLIC)
else()
# We can use PRIVATE since SO knows its dependent libs.
set(libtype PRIVATE)
endif()
if(ARG_MODULE AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS AND ARG_PLUGIN_TOOL AND (WIN32 OR CYGWIN))
# On DLL platforms symbols are imported from the tool by linking against it.
set(llvm_libs ${ARG_PLUGIN_TOOL})
elseif (NOT ARG_COMPONENT_LIB)
if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
set(llvm_libs LLVM)
else()
llvm_map_components_to_libnames(llvm_libs
${ARG_LINK_COMPONENTS}
${LLVM_LINK_COMPONENTS}
)
endif()
else()
# Components have not been defined explicitly in CMake, so add the
# dependency information for this library through their name, and let
# LLVMBuildResolveComponentsLink resolve the mapping.
#
# It would be nice to verify that we have the dependencies for this library
# name, but using get_property(... SET) doesn't suffice to determine if a
# property has been set to an empty value.
set_property(TARGET ${name} PROPERTY LLVM_LINK_COMPONENTS ${ARG_LINK_COMPONENTS} ${LLVM_LINK_COMPONENTS})
# This property is an internal property only used to make sure the
# link step applied in LLVMBuildResolveComponentsLink uses the same
# property as the target_link_libraries call below.
set_property(TARGET ${name} PROPERTY LLVM_LIBTYPE ${libtype})
endif()
target_link_libraries(${name} ${libtype}
${ARG_LINK_LIBS}
${lib_deps}
${llvm_libs}
)
if(LLVM_COMMON_DEPENDS)
add_dependencies(${name} ${LLVM_COMMON_DEPENDS})
# Add dependencies also to objlibs.
# CMake issue 14747 -- add_dependencies() might be ignored to objlib's user.
foreach(objlib ${objlibs})
add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS})
endforeach()
endif()
if(ARG_SHARED OR ARG_MODULE)
llvm_externalize_debuginfo(${name})
llvm_codesign(${name} ENTITLEMENTS ${ARG_ENTITLEMENTS} BUNDLE_PATH ${ARG_BUNDLE_PATH})
endif()
# clang and newer versions of ninja use high-resolutions timestamps,
# but older versions of libtool on Darwin don't, so the archive will
# often get an older timestamp than the last object that was added
# or updated. To fix this, we add a custom command to touch archive
# after it's been built so that ninja won't rebuild it unnecessarily
# the next time it's run.
if(ARG_STATIC AND LLVM_TOUCH_STATIC_LIBRARIES)
add_custom_command(TARGET ${name}
POST_BUILD
COMMAND touch ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}${name}${CMAKE_STATIC_LIBRARY_SUFFIX}
)
endif()
endfunction()
function(add_llvm_install_targets target)
cmake_parse_arguments(ARG "" "COMPONENT;PREFIX;SYMLINK" "DEPENDS" ${ARGN})
if(ARG_COMPONENT)
set(component_option -DCMAKE_INSTALL_COMPONENT="${ARG_COMPONENT}")
endif()
if(ARG_PREFIX)
set(prefix_option -DCMAKE_INSTALL_PREFIX="${ARG_PREFIX}")
endif()
set(file_dependencies)
set(target_dependencies)
foreach(dependency ${ARG_DEPENDS})
if(TARGET ${dependency})
list(APPEND target_dependencies ${dependency})
else()
list(APPEND file_dependencies ${dependency})
endif()
endforeach()
add_custom_target(${target}
DEPENDS ${file_dependencies}
COMMAND "${CMAKE_COMMAND}"
${component_option}
${prefix_option}
-P "${CMAKE_BINARY_DIR}/cmake_install.cmake"
USES_TERMINAL)
set_target_properties(${target} PROPERTIES FOLDER "Component Install Targets")
add_custom_target(${target}-stripped
DEPENDS ${file_dependencies}
COMMAND "${CMAKE_COMMAND}"
${component_option}
${prefix_option}
-DCMAKE_INSTALL_DO_STRIP=1
-P "${CMAKE_BINARY_DIR}/cmake_install.cmake"
USES_TERMINAL)
set_target_properties(${target}-stripped PROPERTIES FOLDER "Component Install Targets (Stripped)")
if(target_dependencies)
add_dependencies(${target} ${target_dependencies})
add_dependencies(${target}-stripped ${target_dependencies})
endif()
if(ARG_SYMLINK)
add_dependencies(${target} install-${ARG_SYMLINK})
add_dependencies(${target}-stripped install-${ARG_SYMLINK}-stripped)
endif()
endfunction()
# Define special targets that behave like a component group. They don't have any
# source attached but other components can add themselves to them. If the
# component supports is a Target and it supports JIT compilation, HAS_JIT must
# be passed. One can use ADD_TO_COMPONENT option from add_llvm_component_library
# to link extra component into an existing group.
function(add_llvm_component_group name)
cmake_parse_arguments(ARG "HAS_JIT" "" "LINK_COMPONENTS" ${ARGN})
add_custom_target(${name})
if(ARG_HAS_JIT)
set_property(TARGET ${name} PROPERTY COMPONENT_HAS_JIT ON)
endif()
if(ARG_LINK_COMPONENTS)
set_property(TARGET ${name} PROPERTY LLVM_LINK_COMPONENTS ${ARG_LINK_COMPONENTS})
endif()
endfunction()
# An LLVM component is a cmake target with the following cmake properties
# eventually set:
# - LLVM_COMPONENT_NAME: the name of the component, which can be the name of
# the associated library or the one specified through COMPONENT_NAME
# - LLVM_LINK_COMPONENTS: a list of component this component depends on
# - COMPONENT_HAS_JIT: (only for group component) whether this target group
# supports JIT compilation
# Additionnaly, the ADD_TO_COMPONENT <component> option make it possible to add this
# component to the LLVM_LINK_COMPONENTS of <component>.
function(add_llvm_component_library name)
cmake_parse_arguments(ARG
""
"COMPONENT_NAME;ADD_TO_COMPONENT"
""
${ARGN})
add_llvm_library(${name} COMPONENT_LIB ${ARG_UNPARSED_ARGUMENTS})
string(REGEX REPLACE "^LLVM" "" component_name ${name})
set_property(TARGET ${name} PROPERTY LLVM_COMPONENT_NAME ${component_name})
if(ARG_COMPONENT_NAME)
set_property(GLOBAL PROPERTY LLVM_COMPONENT_NAME_${ARG_COMPONENT_NAME} ${component_name})
endif()
if(ARG_ADD_TO_COMPONENT)
set_property(TARGET ${ARG_ADD_TO_COMPONENT} APPEND PROPERTY LLVM_LINK_COMPONENTS ${component_name})
endif()
endfunction()
macro(add_llvm_library name)
cmake_parse_arguments(ARG
"SHARED;BUILDTREE_ONLY;MODULE;INSTALL_WITH_TOOLCHAIN"
""
""
${ARGN})
if(ARG_MODULE)
llvm_add_library(${name} MODULE ${ARG_UNPARSED_ARGUMENTS})
elseif( BUILD_SHARED_LIBS OR ARG_SHARED )
llvm_add_library(${name} SHARED ${ARG_UNPARSED_ARGUMENTS})
else()
llvm_add_library(${name} ${ARG_UNPARSED_ARGUMENTS})
endif()
# Libraries that are meant to only be exposed via the build tree only are
# never installed and are only exported as a target in the special build tree
# config file.
if (NOT ARG_BUILDTREE_ONLY AND NOT ARG_MODULE)
set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} )
set(in_llvm_libs YES)
endif()
if (ARG_MODULE AND NOT TARGET ${name})
# Add empty "phony" target
add_custom_target(${name})
elseif( EXCLUDE_FROM_ALL )
set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
elseif(ARG_BUILDTREE_ONLY)
set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name})
else()
if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ARG_INSTALL_WITH_TOOLCHAIN)
if(in_llvm_libs)
set(umbrella UMBRELLA llvm-libraries)
else()
set(umbrella)
endif()
get_target_export_arg(${name} LLVM export_to_llvmexports ${umbrella})
install(TARGETS ${name}
${export_to_llvmexports}
LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name}
ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name}
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" COMPONENT ${name})
if (NOT LLVM_ENABLE_IDE)
add_llvm_install_targets(install-${name}
DEPENDS ${name}
COMPONENT ${name})
endif()
endif()
set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
endif()
if (ARG_MODULE)
set_target_properties(${name} PROPERTIES FOLDER "Loadable modules")
else()
set_target_properties(${name} PROPERTIES FOLDER "Libraries")
endif()
endmacro(add_llvm_library name)
macro(add_llvm_executable name)
cmake_parse_arguments(ARG
"DISABLE_LLVM_LINK_LLVM_DYLIB;IGNORE_EXTERNALIZE_DEBUGINFO;NO_INSTALL_RPATH;SUPPORT_PLUGINS"
"ENTITLEMENTS;BUNDLE_PATH"
"DEPENDS"
${ARGN})
llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} )
list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS})
# Generate objlib
if(LLVM_ENABLE_OBJLIB)
# Generate an obj library for both targets.
set(obj_name "obj.${name}")
add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
${ALL_FILES}
)
llvm_update_compile_flags(${obj_name})
set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
endif()
add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
if(XCODE)
# Note: the dummy.cpp source file provides no definitions. However,
# it forces Xcode to properly link the static library.
list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp")
endif()
if( EXCLUDE_FROM_ALL )
add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES})
else()
add_executable(${name} ${ALL_FILES})
endif()
setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS})
if(NOT ARG_NO_INSTALL_RPATH)
llvm_setup_rpath(${name})
elseif(NOT "${LLVM_LOCAL_RPATH}" STREQUAL "")
# Enable BUILD_WITH_INSTALL_RPATH unless CMAKE_BUILD_RPATH is set.
if("${CMAKE_BUILD_RPATH}" STREQUAL "")
set_property(TARGET ${name} PROPERTY BUILD_WITH_INSTALL_RPATH ON)
endif()
set_property(TARGET ${name} PROPERTY INSTALL_RPATH "${LLVM_LOCAL_RPATH}")
endif()
if(DEFINED windows_resource_file)
set_windows_version_resource_properties(${name} ${windows_resource_file})
endif()
# $<TARGET_OBJECTS> doesn't require compile flags.
if(NOT LLVM_ENABLE_OBJLIB)
llvm_update_compile_flags(${name})
endif()
if (ARG_SUPPORT_PLUGINS AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "AIX")
set(LLVM_NO_DEAD_STRIP On)
endif()
add_link_opts( ${name} )
# Do not add -Dname_EXPORTS to the command-line when building files in this
# target. Doing so is actively harmful for the modules build because it
# creates extra module variants, and not useful because we don't use these
# macros.
set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" )
if (LLVM_EXPORTED_SYMBOL_FILE)
add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
endif(LLVM_EXPORTED_SYMBOL_FILE)
if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
set(USE_SHARED USE_SHARED)
endif()
set(EXCLUDE_FROM_ALL OFF)
set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} )
if( LLVM_COMMON_DEPENDS )
add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
endif( LLVM_COMMON_DEPENDS )
if(NOT ARG_IGNORE_EXTERNALIZE_DEBUGINFO)
llvm_externalize_debuginfo(${name})
endif()
if (LLVM_PTHREAD_LIB)
# libpthreads overrides some standard library symbols, so main
# executable must be linked with it in order to provide consistent
# API for all shared libaries loaded by this executable.
target_link_libraries(${name} PRIVATE ${LLVM_PTHREAD_LIB})
endif()
llvm_codesign(${name} ENTITLEMENTS ${ARG_ENTITLEMENTS} BUNDLE_PATH ${ARG_BUNDLE_PATH})
endmacro(add_llvm_executable name)
# add_llvm_pass_plugin(name [NO_MODULE] ...)
# Add ${name} as an llvm plugin.
# If option LLVM_${name_upper}_LINK_INTO_TOOLS is set to ON, the plugin is registered statically.
# Otherwise a pluggable shared library is registered.
#
# If NO_MODULE is specified, when option LLVM_${name_upper}_LINK_INTO_TOOLS is set to OFF,
# only an object library is built, and no module is built. This is specific to the Polly use case.
#
# The SUBPROJECT argument contains the LLVM project the plugin belongs
# to. If set, the plugin will link statically by default it if the
# project was enabled.
function(add_llvm_pass_plugin name)
cmake_parse_arguments(ARG
"NO_MODULE" "SUBPROJECT" ""
${ARGN})
string(TOUPPER ${name} name_upper)
# Enable the plugin by default if it was explicitly enabled by the user.
# Note: If was set to "all", LLVM's CMakeLists.txt replaces it with a
# list of all projects, counting as explicitly enabled.
set(link_into_tools_default OFF)
if (ARG_SUBPROJECT AND LLVM_TOOL_${name_upper}_BUILD)
set(link_into_tools_default ON)
endif()
option(LLVM_${name_upper}_LINK_INTO_TOOLS "Statically link ${name} into tools (if available)" ${link_into_tools_default})
# If we statically link the plugin, don't use llvm dylib because we're going
# to be part of it.
if(LLVM_${name_upper}_LINK_INTO_TOOLS)
list(APPEND ARG_UNPARSED_ARGUMENTS DISABLE_LLVM_LINK_LLVM_DYLIB)
endif()
if(LLVM_${name_upper}_LINK_INTO_TOOLS)
list(REMOVE_ITEM ARG_UNPARSED_ARGUMENTS BUILDTREE_ONLY)
# process_llvm_pass_plugins takes care of the actual linking, just create an
# object library as of now
add_llvm_library(${name} OBJECT ${ARG_UNPARSED_ARGUMENTS})
target_compile_definitions(${name} PRIVATE LLVM_${name_upper}_LINK_INTO_TOOLS)
set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS LLVM_LINK_INTO_TOOLS)
if (TARGET intrinsics_gen)