1 include(LLVMProcessSources)
3 include(DetermineGCCCompatible)
5 function(llvm_update_compile_flags name)
6 get_property(sources TARGET ${name} PROPERTY SOURCES)
7 if("${sources}" MATCHES "\\.c(;|$)")
8 set(update_src_props ON)
11 # LLVM_REQUIRES_EH is an internal flag that individual
12 # targets can use to force EH
13 if((LLVM_REQUIRES_EH OR LLVM_ENABLE_EH) AND NOT CLANG_CL)
14 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI))
15 message(AUTHOR_WARNING "Exception handling requires RTTI. Enabling RTTI for ${name}")
16 set(LLVM_REQUIRES_RTTI ON)
19 if(LLVM_COMPILER_IS_GCC_COMPATIBLE)
20 list(APPEND LLVM_COMPILE_FLAGS "-fno-exceptions")
22 list(APPEND LLVM_COMPILE_DEFINITIONS _HAS_EXCEPTIONS=0)
23 list(APPEND LLVM_COMPILE_FLAGS "/EHs-c-")
27 # LLVM_REQUIRES_RTTI is an internal flag that individual
28 # targets can use to force RTTI
29 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI))
30 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0)
31 if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
32 list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti")
34 list(APPEND LLVM_COMPILE_FLAGS "/GR-")
39 # - LLVM_COMPILE_FLAGS is list.
40 # - PROPERTY COMPILE_FLAGS is string.
41 string(REPLACE ";" " " target_compile_flags " ${LLVM_COMPILE_FLAGS}")
44 foreach(fn ${sources})
45 get_filename_component(suf ${fn} EXT)
46 if("${suf}" STREQUAL ".cpp")
47 set_property(SOURCE ${fn} APPEND_STRING PROPERTY
48 COMPILE_FLAGS "${target_compile_flags}")
52 # Update target props, since all sources are C++.
53 set_property(TARGET ${name} APPEND_STRING PROPERTY
54 COMPILE_FLAGS "${target_compile_flags}")
57 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS})
60 function(add_llvm_symbol_exports target_name export_file)
61 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
62 set(native_export_file "${target_name}.exports")
63 add_custom_command(OUTPUT ${native_export_file}
64 COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file}
65 DEPENDS ${export_file}
67 COMMENT "Creating export file for ${target_name}")
68 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
69 LINK_FLAGS " -Wl,-exported_symbols_list,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
70 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT)
71 # Gold and BFD ld require a version script rather than a plain list.
72 set(native_export_file "${target_name}.exports")
73 # FIXME: Don't write the "local:" line on OpenBSD.
74 add_custom_command(OUTPUT ${native_export_file}
75 COMMAND echo "{" > ${native_export_file}
76 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || :
77 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file}
78 COMMAND echo " local: *;" >> ${native_export_file}
79 COMMAND echo "};" >> ${native_export_file}
80 DEPENDS ${export_file}
82 COMMENT "Creating export file for ${target_name}")
83 if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
84 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
85 LINK_FLAGS " -Wl,-M,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
87 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
88 LINK_FLAGS " -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
91 set(native_export_file "${target_name}.def")
93 add_custom_command(OUTPUT ${native_export_file}
94 COMMAND ${PYTHON_EXECUTABLE} -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))"
95 < ${export_file} > ${native_export_file}
96 DEPENDS ${export_file}
98 COMMENT "Creating export file for ${target_name}")
99 set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
101 set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"")
103 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
104 LINK_FLAGS " ${export_file_linker_flag}")
107 add_custom_target(${target_name}_exports DEPENDS ${native_export_file})
108 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc")
110 get_property(srcs TARGET ${target_name} PROPERTY SOURCES)
112 get_filename_component(extension ${src} EXT)
113 if(extension STREQUAL ".cpp")
114 set(first_source_file ${src})
119 # Force re-linking when the exports file changes. Actually, it
120 # forces recompilation of the source file. The LINK_DEPENDS target
121 # property only works for makefile-based generators.
122 # FIXME: This is not safe because this will create the same target
123 # ${native_export_file} in several different file:
124 # - One where we emitted ${target_name}_exports
125 # - One where we emitted the build command for the following object.
126 # set_property(SOURCE ${first_source_file} APPEND PROPERTY
127 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file})
129 set_property(DIRECTORY APPEND
130 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file})
132 add_dependencies(${target_name} ${target_name}_exports)
134 # Add dependency to *_exports later -- CMake issue 14747
135 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports)
136 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE)
137 endfunction(add_llvm_symbol_exports)
139 if(NOT WIN32 AND NOT APPLE)
141 COMMAND ${CMAKE_C_COMPILER} -Wl,--version
142 OUTPUT_VARIABLE stdout
145 if("${stdout}" MATCHES "GNU gold")
146 set(LLVM_LINKER_IS_GOLD ON)
150 function(add_link_opts target_name)
151 # Don't use linker optimizations in debug builds since it slows down the
152 # linker in a context where the optimizations are not important.
153 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
155 # Pass -O3 to the linker. This enabled different optimizations on different
157 if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin|SunOS" OR WIN32))
158 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
159 LINK_FLAGS " -Wl,-O3")
162 if(LLVM_LINKER_IS_GOLD)
163 # With gold gc-sections is always safe.
164 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
165 LINK_FLAGS " -Wl,--gc-sections")
166 # Note that there is a bug with -Wl,--icf=safe so it is not safe
167 # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704.
170 if(NOT LLVM_NO_DEAD_STRIP)
171 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
172 # ld64's implementation of -dead_strip breaks tools that use plugins.
173 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
174 LINK_FLAGS " -Wl,-dead_strip")
175 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
176 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
177 LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections")
178 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD)
179 # Object files are compiled with -ffunction-data-sections.
180 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks
181 # tools that use plugins. Always pass --gc-sections once we require
183 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
184 LINK_FLAGS " -Wl,--gc-sections")
188 endfunction(add_link_opts)
190 # Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}.
191 # Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more,
192 # or a certain builder, for eaxample, msbuild.exe, would be confused.
193 function(set_output_directory target)
194 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR;" "" ${ARGN})
196 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY.
197 # It affects output of add_library(MODULE).
200 set(module_dir ${ARG_BINARY_DIR})
202 set(module_dir ${ARG_LIBRARY_DIR})
204 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".")
205 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES})
206 string(TOUPPER "${build_mode}" CONFIG_SUFFIX)
208 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR})
209 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi})
212 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR})
213 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li})
216 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir})
217 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi})
222 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR})
225 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR})
228 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir})
233 # If on Windows and building with MSVC, add the resource script containing the
234 # VERSIONINFO data to the project. This embeds version resource information
235 # into the output .exe or .dll.
236 # TODO: Enable for MinGW Windows builds too.
238 function(add_windows_version_resource_file OUT_VAR)
241 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc)
242 if(EXISTS ${resource_file})
243 set(sources ${sources} ${resource_file})
244 source_group("Resource Files" ${resource_file})
245 set(windows_resource_file ${resource_file} PARENT_SCOPE)
249 set(${OUT_VAR} ${sources} PARENT_SCOPE)
250 endfunction(add_windows_version_resource_file)
252 # set_windows_version_resource_properties(name resource_file...
254 # Optional major version number (defaults to LLVM_VERSION_MAJOR)
256 # Optional minor version number (defaults to LLVM_VERSION_MINOR)
257 # VERSION_PATCHLEVEL int
258 # Optional patchlevel version number (defaults to LLVM_VERSION_PATCH)
260 # Optional version string (defaults to PACKAGE_VERSION)
262 # Optional product name string (defaults to "LLVM")
264 function(set_windows_version_resource_properties name resource_file)
265 cmake_parse_arguments(ARG
267 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME"
271 if (NOT DEFINED ARG_VERSION_MAJOR)
272 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
275 if (NOT DEFINED ARG_VERSION_MINOR)
276 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR})
279 if (NOT DEFINED ARG_VERSION_PATCHLEVEL)
280 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH})
283 if (NOT DEFINED ARG_VERSION_STRING)
284 set(ARG_VERSION_STRING ${PACKAGE_VERSION})
287 if (NOT DEFINED ARG_PRODUCT_NAME)
288 set(ARG_PRODUCT_NAME "LLVM")
291 set_property(SOURCE ${resource_file}
292 PROPERTY COMPILE_FLAGS /nologo)
293 set_property(SOURCE ${resource_file}
294 PROPERTY COMPILE_DEFINITIONS
295 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}"
296 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}"
297 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}"
298 "RC_VERSION_FIELD_4=0"
299 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\""
300 "RC_INTERNAL_NAME=\"${name}\""
301 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\""
302 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"")
303 endfunction(set_windows_version_resource_properties)
305 # llvm_add_library(name sources...
307 # STATIC by default w/o BUILD_SHARED_LIBS.
308 # SHARED by default w/ BUILD_SHARED_LIBS.
310 # Target ${name} might not be created on unsupported platforms.
311 # Check with "if(TARGET ${name})".
312 # DISABLE_LLVM_LINK_LLVM_DYLIB
313 # Do not link this library to libLLVM, even if
314 # LLVM_LINK_LLVM_DYLIB is enabled.
316 # Corresponds to OUTPUT_NAME in target properties.
318 # Same semantics as add_dependencies().
319 # LINK_COMPONENTS components...
320 # Same as the variable LLVM_LINK_COMPONENTS.
321 # LINK_LIBS lib_targets...
322 # Same semantics as target_link_libraries().
324 # May specify header files for IDE generators.
326 function(llvm_add_library name)
327 cmake_parse_arguments(ARG
328 "MODULE;SHARED;STATIC;DISABLE_LLVM_LINK_LLVM_DYLIB"
330 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS"
332 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS})
333 if(ARG_ADDITIONAL_HEADERS)
334 # Pass through ADDITIONAL_HEADERS.
335 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS})
338 set(ALL_FILES ${ARG_OBJLIBS})
340 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS})
344 if(ARG_SHARED OR ARG_STATIC)
345 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.")
347 if(NOT LLVM_ENABLE_PLUGINS)
348 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.")
352 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC)
361 if(ARG_SHARED AND ARG_STATIC)
362 # Generate an obj library for both targets.
363 set(obj_name "obj.${name}")
364 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
367 llvm_update_compile_flags(${obj_name})
368 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
370 # Do add_dependencies(obj) later due to CMake issue 14747.
371 list(APPEND objlibs ${obj_name})
373 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
376 if(ARG_SHARED AND ARG_STATIC)
378 set(name_static "${name}_static")
380 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}")
382 # DEPENDS has been appended to LLVM_COMMON_LIBS.
383 llvm_add_library(${name_static} STATIC
385 OBJLIBS ${ALL_FILES} # objlib
386 LINK_LIBS ${ARG_LINK_LIBS}
387 LINK_COMPONENTS ${ARG_LINK_COMPONENTS}
389 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY.
394 add_library(${name} MODULE ${ALL_FILES})
396 add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
397 add_library(${name} SHARED ${ALL_FILES})
399 add_library(${name} STATIC ${ALL_FILES})
402 if(DEFINED windows_resource_file)
403 set_windows_version_resource_properties(${name} ${windows_resource_file})
404 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE)
407 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
408 # $<TARGET_OBJECTS> doesn't require compile flags.
410 llvm_update_compile_flags(${name})
412 add_link_opts( ${name} )
414 set_target_properties(${name}
416 OUTPUT_NAME ${ARG_OUTPUT_NAME}
421 set_target_properties(${name} PROPERTIES
423 SUFFIX ${LLVM_PLUGIN_EXT}
429 set_target_properties(${name} PROPERTIES
434 set_target_properties(${name}
436 SOVERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}
437 VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX})
440 if(ARG_MODULE OR ARG_SHARED)
441 # Do not add -Dname_EXPORTS to the command-line when building files in this
442 # target. Doing so is actively harmful for the modules build because it
443 # creates extra module variants, and not useful because we don't use these
445 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" )
447 if (LLVM_EXPORTED_SYMBOL_FILE)
448 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
452 # Add the explicit dependency information for this library.
454 # It would be nice to verify that we have the dependencies for this library
455 # name, but using get_property(... SET) doesn't suffice to determine if a
456 # property has been set to an empty value.
457 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name})
459 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_STATIC AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
462 llvm_map_components_to_libnames(llvm_libs
463 ${ARG_LINK_COMPONENTS}
464 ${LLVM_LINK_COMPONENTS}
468 if(CMAKE_VERSION VERSION_LESS 2.8.12)
469 # Link libs w/o keywords, assuming PUBLIC.
470 target_link_libraries(${name}
476 target_link_libraries(${name} INTERFACE
482 # We can use PRIVATE since SO knows its dependent libs.
483 target_link_libraries(${name} PRIVATE
490 if(LLVM_COMMON_DEPENDS)
491 add_dependencies(${name} ${LLVM_COMMON_DEPENDS})
492 # Add dependencies also to objlibs.
493 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user.
494 foreach(objlib ${objlibs})
495 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS})
500 macro(add_llvm_library name)
501 cmake_parse_arguments(ARG
506 if( BUILD_SHARED_LIBS )
507 llvm_add_library(${name} SHARED ${ARGN})
509 llvm_add_library(${name} ${ARGN})
511 # The gtest libraries should not be installed or exported as a target
512 if ("${name}" STREQUAL gtest OR "${name}" STREQUAL gtest_main)
516 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} )
519 if( EXCLUDE_FROM_ALL )
520 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
521 elseif(NOT _is_gtest)
522 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO")
523 if(ARG_SHARED OR BUILD_SHARED_LIBS)
525 set(install_type RUNTIME)
527 set(install_type LIBRARY)
530 set(install_type ARCHIVE)
533 install(TARGETS ${name}
535 ${install_type} DESTINATION lib${LLVM_LIBDIR_SUFFIX}
538 if (NOT CMAKE_CONFIGURATION_TYPES)
539 add_custom_target(install-${name}
541 COMMAND "${CMAKE_COMMAND}"
542 -DCMAKE_INSTALL_COMPONENT=${name}
543 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
546 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
548 set_target_properties(${name} PROPERTIES FOLDER "Libraries")
549 endmacro(add_llvm_library name)
551 macro(add_llvm_loadable_module name)
552 llvm_add_library(${name} MODULE ${ARGN})
553 if(NOT TARGET ${name})
554 # Add empty "phony" target
555 add_custom_target(${name})
557 if( EXCLUDE_FROM_ALL )
558 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
560 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
565 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}")
567 install(TARGETS ${name}
569 LIBRARY DESTINATION ${dlldir}
570 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
572 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
576 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules")
577 endmacro(add_llvm_loadable_module name)
580 macro(add_llvm_executable name)
581 cmake_parse_arguments(ARG "DISABLE_LLVM_LINK_LLVM_DYLIB" "" "" ${ARGN})
582 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} )
585 if(LLVM_ENABLE_OBJLIB)
586 # Generate an obj library for both targets.
587 set(obj_name "obj.${name}")
588 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
591 llvm_update_compile_flags(${obj_name})
592 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
594 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
597 add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
600 # Note: the dummy.cpp source file provides no definitions. However,
601 # it forces Xcode to properly link the static library.
602 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp")
605 if( EXCLUDE_FROM_ALL )
606 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES})
608 add_executable(${name} ${ALL_FILES})
611 if(DEFINED windows_resource_file)
612 set_windows_version_resource_properties(${name} ${windows_resource_file})
615 # $<TARGET_OBJECTS> doesn't require compile flags.
616 if(NOT LLVM_ENABLE_OBJLIB)
617 llvm_update_compile_flags(${name})
619 add_link_opts( ${name} )
621 # Do not add -Dname_EXPORTS to the command-line when building files in this
622 # target. Doing so is actively harmful for the modules build because it
623 # creates extra module variants, and not useful because we don't use these
625 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" )
627 if (LLVM_EXPORTED_SYMBOL_FILE)
628 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
629 endif(LLVM_EXPORTED_SYMBOL_FILE)
631 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
632 set(USE_SHARED USE_SHARED)
635 set(EXCLUDE_FROM_ALL OFF)
636 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
637 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} )
638 if( LLVM_COMMON_DEPENDS )
639 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
640 endif( LLVM_COMMON_DEPENDS )
641 endmacro(add_llvm_executable name)
643 function(export_executable_symbols target)
644 if (NOT MSVC) # MSVC's linker doesn't support exporting all symbols.
645 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1)
649 if(NOT LLVM_TOOLCHAIN_TOOLS)
650 set (LLVM_TOOLCHAIN_TOOLS
658 macro(add_llvm_tool name)
659 if( NOT LLVM_BUILD_TOOLS )
660 set(EXCLUDE_FROM_ALL ON)
662 add_llvm_executable(${name} ${ARGN})
664 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL)
665 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
666 if( LLVM_BUILD_TOOLS )
667 install(TARGETS ${name}
669 RUNTIME DESTINATION bin
672 if (NOT CMAKE_CONFIGURATION_TYPES)
673 add_custom_target(install-${name}
675 COMMAND "${CMAKE_COMMAND}"
676 -DCMAKE_INSTALL_COMPONENT=${name}
677 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
681 if( LLVM_BUILD_TOOLS )
682 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
684 set_target_properties(${name} PROPERTIES FOLDER "Tools")
685 endmacro(add_llvm_tool name)
688 macro(add_llvm_example name)
689 if( NOT LLVM_BUILD_EXAMPLES )
690 set(EXCLUDE_FROM_ALL ON)
692 add_llvm_executable(${name} ${ARGN})
693 if( LLVM_BUILD_EXAMPLES )
694 install(TARGETS ${name} RUNTIME DESTINATION examples)
696 set_target_properties(${name} PROPERTIES FOLDER "Examples")
697 endmacro(add_llvm_example name)
700 macro(add_llvm_utility name)
701 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN})
702 set_target_properties(${name} PROPERTIES FOLDER "Utils")
703 if( LLVM_INSTALL_UTILS )
704 install (TARGETS ${name}
705 RUNTIME DESTINATION bin
707 if (NOT CMAKE_CONFIGURATION_TYPES)
708 add_custom_target(install-${name}
710 COMMAND "${CMAKE_COMMAND}"
711 -DCMAKE_INSTALL_COMPONENT=${name}
712 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
715 endmacro(add_llvm_utility name)
718 macro(add_llvm_target target_name)
719 include_directories(BEFORE
720 ${CMAKE_CURRENT_BINARY_DIR}
721 ${CMAKE_CURRENT_SOURCE_DIR})
722 add_llvm_library(LLVM${target_name} ${ARGN})
723 set( CURRENT_LLVM_TARGET LLVM${target_name} )
724 endmacro(add_llvm_target)
726 function(canonicalize_tool_name name output)
727 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name})
728 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip})
729 string(TOUPPER ${nameUNDERSCORE} nameUPPER)
730 set(${output} "${nameUPPER}" PARENT_SCOPE)
731 endfunction(canonicalize_tool_name)
733 # Custom add_subdirectory wrapper
734 # Takes in a project name (i.e. LLVM), the the subdirectory name, and an
735 # and an optional path if it differs from the name.
736 macro(add_llvm_subdirectory project type name)
737 set(add_llvm_external_dir "${ARGN}")
738 if("${add_llvm_external_dir}" STREQUAL "")
739 set(add_llvm_external_dir ${name})
741 canonicalize_tool_name(${name} nameUPPER)
742 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt)
743 # Treat it as in-tree subproject.
744 option(${project}_${type}_${nameUPPER}_BUILD
745 "Whether to build ${name} as part of ${project}" On)
746 mark_as_advanced(${project}_${type}_${name}_BUILD)
747 if(${project}_${type}_${nameUPPER}_BUILD)
748 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir})
749 # Don't process it in add_llvm_implicit_projects().
750 set(${project}_${type}_${nameUPPER}_BUILD OFF)
753 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR
754 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}"
755 CACHE PATH "Path to ${name} source directory")
756 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT ON)
757 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR})
758 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF)
760 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF")
761 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF)
763 option(${project}_${type}_${nameUPPER}_BUILD
764 "Whether to build ${name} as part of LLVM"
765 ${${project}_${type}_${nameUPPER}_BUILD_DEFAULT})
766 if (${project}_${type}_${nameUPPER}_BUILD)
767 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR})
768 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir})
769 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "")
770 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}")
772 # FIXME: It'd be redundant.
773 set(${project}_${type}_${nameUPPER}_BUILD Off)
778 # Add external project that may want to be built as part of llvm such as Clang,
779 # lld, and Polly. This adds two options. One for the source directory of the
780 # project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to
781 # enable or disable building it with everything else.
782 # Additional parameter can be specified as the name of directory.
783 macro(add_llvm_external_project name)
784 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN})
787 macro(add_llvm_tool_subdirectory name)
788 add_llvm_external_project(${name})
789 endmacro(add_llvm_tool_subdirectory)
791 function(get_project_name_from_src_var var output)
792 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR"
793 MACHED_TOOL "${var}")
795 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE)
797 set(${output} PARENT_SCOPE)
801 function(create_subdirectory_options project type)
802 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*")
803 foreach(dir ${sub-dirs})
804 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt")
805 canonicalize_tool_name(${dir} name)
806 option(${project}_${type}_${name}_BUILD
807 "Whether to build ${name} as part of ${project}" On)
808 mark_as_advanced(${project}_${type}_${name}_BUILD)
811 endfunction(create_subdirectory_options)
813 function(create_llvm_tool_options)
814 create_subdirectory_options(LLVM TOOL)
815 endfunction(create_llvm_tool_options)
817 function(add_llvm_implicit_projects)
818 set(list_of_implicit_subdirs "")
819 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*")
820 foreach(dir ${sub-dirs})
821 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt")
822 canonicalize_tool_name(${dir} name)
823 if (LLVM_TOOL_${name}_BUILD)
824 get_filename_component(fn "${dir}" NAME)
825 list(APPEND list_of_implicit_subdirs "${fn}")
830 foreach(external_proj ${list_of_implicit_subdirs})
831 add_llvm_external_project("${external_proj}")
833 endfunction(add_llvm_implicit_projects)
835 # Generic support for adding a unittest.
836 function(add_unittest test_suite test_name)
837 if( NOT LLVM_BUILD_TESTS )
838 set(EXCLUDE_FROM_ALL ON)
841 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include)
842 if (NOT LLVM_ENABLE_THREADS)
843 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0)
846 if (SUPPORTS_NO_VARIADIC_MACROS_FLAG)
847 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros")
850 set(LLVM_REQUIRES_RTTI OFF)
852 add_llvm_executable(${test_name} ${ARGN})
853 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR})
854 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir})
855 target_link_libraries(${test_name}
858 LLVMSupport # gtest needs it for raw_ostream.
861 add_dependencies(${test_suite} ${test_name})
862 get_target_property(test_suite_folder ${test_suite} FOLDER)
863 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND")
864 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}")
868 function(llvm_add_go_executable binary pkgpath)
869 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN})
871 if(LLVM_BINDINGS MATCHES "go")
872 # FIXME: This should depend only on the libraries Go needs.
873 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS)
874 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX})
875 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}")
876 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}")
878 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
879 foreach(d ${include_dirs})
880 set(cppflags "${cppflags} -I${d}")
882 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}")
883 if (LLVM_LINK_LLVM_DYLIB)
884 set(linkmode "dylib")
886 set(linkmode "component-libs")
888 add_custom_command(OUTPUT ${binpath}
889 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "linkmode=${linkmode}"
890 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath}
891 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX}
892 ${llvmlibs} ${ARG_DEPENDS}
893 COMMENT "Building Go executable ${binary}"
896 add_custom_target(${binary} ALL DEPENDS ${binpath})
898 add_custom_target(${binary} DEPENDS ${binpath})
903 # This function provides an automatic way to 'configure'-like generate a file
904 # based on a set of common and custom variables, specifically targeting the
905 # variables needed for the 'lit.site.cfg' files. This function bundles the
906 # common variables that any Lit instance is likely to need, and custom
907 # variables can be passed in.
908 function(configure_lit_site_cfg input output)
909 foreach(c ${LLVM_TARGETS_TO_BUILD})
910 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}")
912 set(TARGETS_TO_BUILD ${TARGETS_BUILT})
914 set(SHLIBEXT "${LTDL_SHLIB_EXT}")
916 # Configuration-time: See Unit/lit.site.cfg.in
917 if (CMAKE_CFG_INTDIR STREQUAL ".")
918 set(LLVM_BUILD_MODE ".")
920 set(LLVM_BUILD_MODE "%(build_mode)s")
923 # They below might not be the build tree but provided binary tree.
924 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR})
925 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR})
926 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR})
927 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR})
929 # SHLIBDIR points the build tree.
930 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}")
932 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
933 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for
934 # plugins. We may rename it.
935 if(LLVM_ENABLE_PLUGINS)
936 set(ENABLE_SHARED "1")
938 set(ENABLE_SHARED "0")
941 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE)
942 set(ENABLE_ASSERTIONS "1")
944 set(ENABLE_ASSERTIONS "0")
947 set(HOST_OS ${CMAKE_SYSTEM_NAME})
948 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR})
950 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}")
951 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}")
952 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}")
954 configure_file(${input} ${output} @ONLY)
957 # A raw function to create a lit target. This is used to implement the testuite
958 # management functions.
959 function(add_lit_target target comment)
960 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
961 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}")
962 separate_arguments(LIT_ARGS)
963 if (NOT CMAKE_CFG_INTDIR STREQUAL ".")
964 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR})
966 if (LLVM_MAIN_SRC_DIR)
967 set (LIT_COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
969 find_program(LIT_COMMAND llvm-lit)
971 list(APPEND LIT_COMMAND ${LIT_ARGS})
972 foreach(param ${ARG_PARAMS})
973 list(APPEND LIT_COMMAND --param ${param})
975 if (ARG_UNPARSED_ARGUMENTS)
976 add_custom_target(${target}
977 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS}
979 ${cmake_3_2_USES_TERMINAL}
982 add_custom_target(${target}
983 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.")
984 message(STATUS "${target} does nothing.")
987 add_dependencies(${target} ${ARG_DEPENDS})
990 # Tests should be excluded from "Build Solution".
991 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON)
994 # A function to add a set of lit test suites to be driven through 'check-*' targets.
995 function(add_lit_testsuite target comment)
996 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
998 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all.
999 if(NOT EXCLUDE_FROM_ALL)
1000 # Register the testsuites, params and depends for the global check rule.
1001 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS})
1002 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS})
1003 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS})
1004 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS})
1007 # Produce a specific suffixed check rule.
1008 add_lit_target(${target} ${comment}
1009 ${ARG_UNPARSED_ARGUMENTS}
1010 PARAMS ${ARG_PARAMS}
1011 DEPENDS ${ARG_DEPENDS}
1016 function(add_lit_testsuites project directory)
1017 if (NOT CMAKE_CONFIGURATION_TYPES)
1018 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
1019 file(GLOB_RECURSE litCfg ${directory}/lit*.cfg)
1021 foreach(f ${litCfg})
1022 get_filename_component(dir ${f} DIRECTORY)
1023 set(lit_suites ${lit_suites} ${dir})
1025 list(REMOVE_DUPLICATES lit_suites)
1026 foreach(dir ${lit_suites})
1027 string(REPLACE ${directory} "" name_slash ${dir})
1029 string(REPLACE "/" "-" name_slash ${name_slash})
1030 string(REPLACE "\\" "-" name_dashes ${name_slash})
1031 string(TOLOWER "${project}${name_dashes}" name_var)
1032 add_lit_target("check-${name_var}" "Running lit suite ${dir}"
1034 PARAMS ${ARG_PARAMS}
1035 DEPENDS ${ARG_DEPENDS}
1043 function(llvm_install_symlink name dest)
1044 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN})
1045 foreach(path ${CMAKE_MODULE_PATH})
1046 if(EXISTS ${path}/LLVMInstallSymlink.cmake)
1047 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake)
1052 if(ARG_ALWAYS_GENERATE)
1053 set(component ${dest})
1055 set(component ${name})
1058 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX})
1059 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX})
1061 install(SCRIPT ${INSTALL_SYMLINK}
1062 CODE "install_symlink(${full_name} ${full_dest} bin)"
1063 COMPONENT ${component})
1065 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE)
1066 add_custom_target(install-${name}
1067 DEPENDS ${name} ${dest} install-${dest}
1068 COMMAND "${CMAKE_COMMAND}"
1069 -DCMAKE_INSTALL_COMPONENT=${name}
1070 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
1074 function(add_llvm_tool_symlink name dest)
1075 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN})
1077 set(LLVM_LINK_OR_COPY create_symlink)
1078 set(dest_binary "${dest}${CMAKE_EXECUTABLE_SUFFIX}")
1080 set(LLVM_LINK_OR_COPY copy)
1081 set(dest_binary "${LLVM_RUNTIME_OUTPUT_INTDIR}/${dest}${CMAKE_EXECUTABLE_SUFFIX}")
1084 set(output_path "${LLVM_RUNTIME_OUTPUT_INTDIR}/${name}${CMAKE_EXECUTABLE_SUFFIX}")
1086 if(ARG_ALWAYS_GENERATE)
1087 set_property(DIRECTORY APPEND PROPERTY
1088 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary})
1089 add_custom_command(TARGET ${dest} POST_BUILD
1090 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}")
1092 add_custom_command(OUTPUT ${output_path}
1093 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}"
1095 add_custom_target(${name} ALL DEPENDS ${output_path})
1096 set_target_properties(${name} PROPERTIES FOLDER Tools)
1098 # Make sure the parent tool is a toolchain tool, otherwise exclude this tool
1099 list(FIND LLVM_TOOLCHAIN_TOOLS ${dest} LLVM_IS_${dest}_TOOLCHAIN_TOOL)
1100 if (NOT LLVM_IS_${dest}_TOOLCHAIN_TOOL GREATER -1)
1101 set(LLVM_IS_${name}_TOOLCHAIN_TOOL ${LLVM_IS_${dest}_TOOLCHAIN_TOOL})
1103 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL)
1106 # LLVM_IS_${name}_TOOLCHAIN_TOOL will only be greater than -1 if both this
1107 # tool and its parent tool are in LLVM_TOOLCHAIN_TOOLS
1108 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
1109 if( LLVM_BUILD_TOOLS )
1110 llvm_install_symlink(${name} ${dest})