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-")
26 # FIXME: Remove this once clang-cl supports SEH
27 list(APPEND LLVM_COMPILE_DEFINITIONS "GTEST_HAS_SEH=0")
31 # LLVM_REQUIRES_RTTI is an internal flag that individual
32 # targets can use to force RTTI
33 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI))
34 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0)
35 if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
36 list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti")
38 list(APPEND LLVM_COMPILE_FLAGS "/GR-")
43 # - LLVM_COMPILE_FLAGS is list.
44 # - PROPERTY COMPILE_FLAGS is string.
45 string(REPLACE ";" " " target_compile_flags " ${LLVM_COMPILE_FLAGS}")
48 foreach(fn ${sources})
49 get_filename_component(suf ${fn} EXT)
50 if("${suf}" STREQUAL ".cpp")
51 set_property(SOURCE ${fn} APPEND_STRING PROPERTY
52 COMPILE_FLAGS "${target_compile_flags}")
56 # Update target props, since all sources are C++.
57 set_property(TARGET ${name} APPEND_STRING PROPERTY
58 COMPILE_FLAGS "${target_compile_flags}")
61 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS})
64 function(add_llvm_symbol_exports target_name export_file)
65 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
66 set(native_export_file "${target_name}.exports")
67 add_custom_command(OUTPUT ${native_export_file}
68 COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file}
69 DEPENDS ${export_file}
71 COMMENT "Creating export file for ${target_name}")
72 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
73 LINK_FLAGS " -Wl,-exported_symbols_list,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
74 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT)
75 # Gold and BFD ld require a version script rather than a plain list.
76 set(native_export_file "${target_name}.exports")
77 # FIXME: Don't write the "local:" line on OpenBSD.
78 add_custom_command(OUTPUT ${native_export_file}
79 COMMAND echo "{" > ${native_export_file}
80 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || :
81 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file}
82 COMMAND echo " local: *;" >> ${native_export_file}
83 COMMAND echo "};" >> ${native_export_file}
84 DEPENDS ${export_file}
86 COMMENT "Creating export file for ${target_name}")
87 if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
88 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
89 LINK_FLAGS " -Wl,-M,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
91 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
92 LINK_FLAGS " -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
95 set(native_export_file "${target_name}.def")
97 add_custom_command(OUTPUT ${native_export_file}
98 COMMAND ${PYTHON_EXECUTABLE} -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))"
99 < ${export_file} > ${native_export_file}
100 DEPENDS ${export_file}
102 COMMENT "Creating export file for ${target_name}")
103 set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
105 set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"")
107 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
108 LINK_FLAGS " ${export_file_linker_flag}")
111 add_custom_target(${target_name}_exports DEPENDS ${native_export_file})
112 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc")
114 get_property(srcs TARGET ${target_name} PROPERTY SOURCES)
116 get_filename_component(extension ${src} EXT)
117 if(extension STREQUAL ".cpp")
118 set(first_source_file ${src})
123 # Force re-linking when the exports file changes. Actually, it
124 # forces recompilation of the source file. The LINK_DEPENDS target
125 # property only works for makefile-based generators.
126 # FIXME: This is not safe because this will create the same target
127 # ${native_export_file} in several different file:
128 # - One where we emitted ${target_name}_exports
129 # - One where we emitted the build command for the following object.
130 # set_property(SOURCE ${first_source_file} APPEND PROPERTY
131 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file})
133 set_property(DIRECTORY APPEND
134 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file})
136 add_dependencies(${target_name} ${target_name}_exports)
138 # Add dependency to *_exports later -- CMake issue 14747
139 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports)
140 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE)
141 endfunction(add_llvm_symbol_exports)
143 if(NOT WIN32 AND NOT APPLE)
145 COMMAND ${CMAKE_C_COMPILER} -Wl,--version
146 OUTPUT_VARIABLE stdout
149 if("${stdout}" MATCHES "GNU gold")
150 set(LLVM_LINKER_IS_GOLD ON)
154 function(add_link_opts target_name)
155 # Don't use linker optimizations in debug builds since it slows down the
156 # linker in a context where the optimizations are not important.
157 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
159 # Pass -O3 to the linker. This enabled different optimizations on different
161 if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin|SunOS" OR WIN32))
162 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
163 LINK_FLAGS " -Wl,-O3")
166 if(LLVM_LINKER_IS_GOLD)
167 # With gold gc-sections is always safe.
168 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
169 LINK_FLAGS " -Wl,--gc-sections")
170 # Note that there is a bug with -Wl,--icf=safe so it is not safe
171 # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704.
174 if(NOT LLVM_NO_DEAD_STRIP)
175 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
176 # ld64's implementation of -dead_strip breaks tools that use plugins.
177 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
178 LINK_FLAGS " -Wl,-dead_strip")
179 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
180 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
181 LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections")
182 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD)
183 # Object files are compiled with -ffunction-data-sections.
184 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks
185 # tools that use plugins. Always pass --gc-sections once we require
187 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
188 LINK_FLAGS " -Wl,--gc-sections")
192 endfunction(add_link_opts)
194 # Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}.
195 # Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more,
196 # or a certain builder, for eaxample, msbuild.exe, would be confused.
197 function(set_output_directory target)
198 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR;" "" ${ARGN})
200 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY.
201 # It affects output of add_library(MODULE).
204 set(module_dir ${ARG_BINARY_DIR})
206 set(module_dir ${ARG_LIBRARY_DIR})
208 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".")
209 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES})
210 string(TOUPPER "${build_mode}" CONFIG_SUFFIX)
212 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR})
213 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi})
216 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR})
217 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li})
220 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir})
221 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi})
226 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR})
229 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR})
232 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir})
237 # If on Windows and building with MSVC, add the resource script containing the
238 # VERSIONINFO data to the project. This embeds version resource information
239 # into the output .exe or .dll.
240 # TODO: Enable for MinGW Windows builds too.
242 function(add_windows_version_resource_file OUT_VAR)
245 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc)
246 if(EXISTS ${resource_file})
247 set(sources ${sources} ${resource_file})
248 source_group("Resource Files" ${resource_file})
249 set(windows_resource_file ${resource_file} PARENT_SCOPE)
253 set(${OUT_VAR} ${sources} PARENT_SCOPE)
254 endfunction(add_windows_version_resource_file)
256 # set_windows_version_resource_properties(name resource_file...
258 # Optional major version number (defaults to LLVM_VERSION_MAJOR)
260 # Optional minor version number (defaults to LLVM_VERSION_MINOR)
261 # VERSION_PATCHLEVEL int
262 # Optional patchlevel version number (defaults to LLVM_VERSION_PATCH)
264 # Optional version string (defaults to PACKAGE_VERSION)
266 # Optional product name string (defaults to "LLVM")
268 function(set_windows_version_resource_properties name resource_file)
269 cmake_parse_arguments(ARG
271 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME"
275 if (NOT DEFINED ARG_VERSION_MAJOR)
276 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
279 if (NOT DEFINED ARG_VERSION_MINOR)
280 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR})
283 if (NOT DEFINED ARG_VERSION_PATCHLEVEL)
284 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH})
287 if (NOT DEFINED ARG_VERSION_STRING)
288 set(ARG_VERSION_STRING ${PACKAGE_VERSION})
291 if (NOT DEFINED ARG_PRODUCT_NAME)
292 set(ARG_PRODUCT_NAME "LLVM")
295 set_property(SOURCE ${resource_file}
296 PROPERTY COMPILE_FLAGS /nologo)
297 set_property(SOURCE ${resource_file}
298 PROPERTY COMPILE_DEFINITIONS
299 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}"
300 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}"
301 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}"
302 "RC_VERSION_FIELD_4=0"
303 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\""
304 "RC_INTERNAL_NAME=\"${name}\""
305 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\""
306 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"")
307 endfunction(set_windows_version_resource_properties)
309 # llvm_add_library(name sources...
311 # STATIC by default w/o BUILD_SHARED_LIBS.
312 # SHARED by default w/ BUILD_SHARED_LIBS.
314 # Target ${name} might not be created on unsupported platforms.
315 # Check with "if(TARGET ${name})".
316 # DISABLE_LLVM_LINK_LLVM_DYLIB
317 # Do not link this library to libLLVM, even if
318 # LLVM_LINK_LLVM_DYLIB is enabled.
320 # Corresponds to OUTPUT_NAME in target properties.
322 # Same semantics as add_dependencies().
323 # LINK_COMPONENTS components...
324 # Same as the variable LLVM_LINK_COMPONENTS.
325 # LINK_LIBS lib_targets...
326 # Same semantics as target_link_libraries().
328 # May specify header files for IDE generators.
330 function(llvm_add_library name)
331 cmake_parse_arguments(ARG
332 "MODULE;SHARED;STATIC;DISABLE_LLVM_LINK_LLVM_DYLIB"
334 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS"
336 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS})
337 if(ARG_ADDITIONAL_HEADERS)
338 # Pass through ADDITIONAL_HEADERS.
339 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS})
342 set(ALL_FILES ${ARG_OBJLIBS})
344 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS})
348 if(ARG_SHARED OR ARG_STATIC)
349 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.")
351 if(NOT LLVM_ENABLE_PLUGINS)
352 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.")
356 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC)
365 if(ARG_SHARED AND ARG_STATIC)
366 # Generate an obj library for both targets.
367 set(obj_name "obj.${name}")
368 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
371 llvm_update_compile_flags(${obj_name})
372 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
374 # Do add_dependencies(obj) later due to CMake issue 14747.
375 list(APPEND objlibs ${obj_name})
377 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
380 if(ARG_SHARED AND ARG_STATIC)
382 set(name_static "${name}_static")
384 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}")
386 # DEPENDS has been appended to LLVM_COMMON_LIBS.
387 llvm_add_library(${name_static} STATIC
389 OBJLIBS ${ALL_FILES} # objlib
390 LINK_LIBS ${ARG_LINK_LIBS}
391 LINK_COMPONENTS ${ARG_LINK_COMPONENTS}
393 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY.
398 add_library(${name} MODULE ${ALL_FILES})
400 add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
401 add_library(${name} SHARED ${ALL_FILES})
403 add_library(${name} STATIC ${ALL_FILES})
406 if(DEFINED windows_resource_file)
407 set_windows_version_resource_properties(${name} ${windows_resource_file})
408 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE)
411 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
412 # $<TARGET_OBJECTS> doesn't require compile flags.
414 llvm_update_compile_flags(${name})
416 add_link_opts( ${name} )
418 set_target_properties(${name}
420 OUTPUT_NAME ${ARG_OUTPUT_NAME}
425 set_target_properties(${name} PROPERTIES
427 SUFFIX ${LLVM_PLUGIN_EXT}
433 set_target_properties(${name} PROPERTIES
438 set_target_properties(${name}
440 SOVERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}
441 VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX})
444 if(ARG_MODULE OR ARG_SHARED)
445 # Do not add -Dname_EXPORTS to the command-line when building files in this
446 # target. Doing so is actively harmful for the modules build because it
447 # creates extra module variants, and not useful because we don't use these
449 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" )
451 if (LLVM_EXPORTED_SYMBOL_FILE)
452 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
456 # Add the explicit dependency information for this library.
458 # It would be nice to verify that we have the dependencies for this library
459 # name, but using get_property(... SET) doesn't suffice to determine if a
460 # property has been set to an empty value.
461 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name})
463 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_STATIC AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
466 llvm_map_components_to_libnames(llvm_libs
467 ${ARG_LINK_COMPONENTS}
468 ${LLVM_LINK_COMPONENTS}
472 if(CMAKE_VERSION VERSION_LESS 2.8.12)
473 # Link libs w/o keywords, assuming PUBLIC.
474 target_link_libraries(${name}
480 target_link_libraries(${name} INTERFACE
486 # We can use PRIVATE since SO knows its dependent libs.
487 target_link_libraries(${name} PRIVATE
494 if(LLVM_COMMON_DEPENDS)
495 add_dependencies(${name} ${LLVM_COMMON_DEPENDS})
496 # Add dependencies also to objlibs.
497 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user.
498 foreach(objlib ${objlibs})
499 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS})
504 macro(add_llvm_library name)
505 cmake_parse_arguments(ARG
510 if( BUILD_SHARED_LIBS )
511 llvm_add_library(${name} SHARED ${ARGN})
513 llvm_add_library(${name} ${ARGN})
515 # The gtest libraries should not be installed or exported as a target
516 if ("${name}" STREQUAL gtest OR "${name}" STREQUAL gtest_main)
520 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} )
523 if( EXCLUDE_FROM_ALL )
524 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
525 elseif(NOT _is_gtest)
526 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO")
527 if(ARG_SHARED OR BUILD_SHARED_LIBS)
529 set(install_type RUNTIME)
531 set(install_type LIBRARY)
534 set(install_type ARCHIVE)
537 install(TARGETS ${name}
539 ${install_type} DESTINATION lib${LLVM_LIBDIR_SUFFIX}
542 if (NOT CMAKE_CONFIGURATION_TYPES)
543 add_custom_target(install-${name}
545 COMMAND "${CMAKE_COMMAND}"
546 -DCMAKE_INSTALL_COMPONENT=${name}
547 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
550 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
552 set_target_properties(${name} PROPERTIES FOLDER "Libraries")
553 endmacro(add_llvm_library name)
555 macro(add_llvm_loadable_module name)
556 llvm_add_library(${name} MODULE ${ARGN})
557 if(NOT TARGET ${name})
558 # Add empty "phony" target
559 add_custom_target(${name})
561 if( EXCLUDE_FROM_ALL )
562 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
564 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
569 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}")
571 install(TARGETS ${name}
573 LIBRARY DESTINATION ${dlldir}
574 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
576 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
580 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules")
581 endmacro(add_llvm_loadable_module name)
584 macro(add_llvm_executable name)
585 cmake_parse_arguments(ARG "DISABLE_LLVM_LINK_LLVM_DYLIB" "" "" ${ARGN})
586 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} )
589 if(LLVM_ENABLE_OBJLIB)
590 # Generate an obj library for both targets.
591 set(obj_name "obj.${name}")
592 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
595 llvm_update_compile_flags(${obj_name})
596 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
598 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
601 add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
604 # Note: the dummy.cpp source file provides no definitions. However,
605 # it forces Xcode to properly link the static library.
606 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp")
609 if( EXCLUDE_FROM_ALL )
610 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES})
612 add_executable(${name} ${ALL_FILES})
615 if(DEFINED windows_resource_file)
616 set_windows_version_resource_properties(${name} ${windows_resource_file})
619 # $<TARGET_OBJECTS> doesn't require compile flags.
620 if(NOT LLVM_ENABLE_OBJLIB)
621 llvm_update_compile_flags(${name})
623 add_link_opts( ${name} )
625 # Do not add -Dname_EXPORTS to the command-line when building files in this
626 # target. Doing so is actively harmful for the modules build because it
627 # creates extra module variants, and not useful because we don't use these
629 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" )
631 if (LLVM_EXPORTED_SYMBOL_FILE)
632 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
633 endif(LLVM_EXPORTED_SYMBOL_FILE)
635 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
636 set(USE_SHARED USE_SHARED)
639 set(EXCLUDE_FROM_ALL OFF)
640 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
641 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} )
642 if( LLVM_COMMON_DEPENDS )
643 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
644 endif( LLVM_COMMON_DEPENDS )
645 endmacro(add_llvm_executable name)
647 function(export_executable_symbols target)
648 if (NOT MSVC) # MSVC's linker doesn't support exporting all symbols.
649 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1)
653 if(NOT LLVM_TOOLCHAIN_TOOLS)
654 set (LLVM_TOOLCHAIN_TOOLS
662 macro(add_llvm_tool name)
663 if( NOT LLVM_BUILD_TOOLS )
664 set(EXCLUDE_FROM_ALL ON)
666 add_llvm_executable(${name} ${ARGN})
668 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL)
669 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
670 if( LLVM_BUILD_TOOLS )
671 install(TARGETS ${name}
673 RUNTIME DESTINATION bin
676 if (NOT CMAKE_CONFIGURATION_TYPES)
677 add_custom_target(install-${name}
679 COMMAND "${CMAKE_COMMAND}"
680 -DCMAKE_INSTALL_COMPONENT=${name}
681 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
685 if( LLVM_BUILD_TOOLS )
686 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
688 set_target_properties(${name} PROPERTIES FOLDER "Tools")
689 endmacro(add_llvm_tool name)
692 macro(add_llvm_example name)
693 if( NOT LLVM_BUILD_EXAMPLES )
694 set(EXCLUDE_FROM_ALL ON)
696 add_llvm_executable(${name} ${ARGN})
697 if( LLVM_BUILD_EXAMPLES )
698 install(TARGETS ${name} RUNTIME DESTINATION examples)
700 set_target_properties(${name} PROPERTIES FOLDER "Examples")
701 endmacro(add_llvm_example name)
704 macro(add_llvm_utility name)
705 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN})
706 set_target_properties(${name} PROPERTIES FOLDER "Utils")
707 if( LLVM_INSTALL_UTILS )
708 install (TARGETS ${name}
709 RUNTIME DESTINATION bin
711 if (NOT CMAKE_CONFIGURATION_TYPES)
712 add_custom_target(install-${name}
714 COMMAND "${CMAKE_COMMAND}"
715 -DCMAKE_INSTALL_COMPONENT=${name}
716 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
719 endmacro(add_llvm_utility name)
722 macro(add_llvm_target target_name)
723 include_directories(BEFORE
724 ${CMAKE_CURRENT_BINARY_DIR}
725 ${CMAKE_CURRENT_SOURCE_DIR})
726 add_llvm_library(LLVM${target_name} ${ARGN})
727 set( CURRENT_LLVM_TARGET LLVM${target_name} )
728 endmacro(add_llvm_target)
730 function(canonicalize_tool_name name output)
731 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name})
732 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip})
733 string(TOUPPER ${nameUNDERSCORE} nameUPPER)
734 set(${output} "${nameUPPER}" PARENT_SCOPE)
735 endfunction(canonicalize_tool_name)
737 # Add external project that may want to be built as part of llvm such as Clang,
738 # lld, and Polly. This adds two options. One for the source directory of the
739 # project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to
740 # enable or disable building it with everything else.
741 # Additional parameter can be specified as the name of directory.
742 macro(add_llvm_external_project name)
743 set(add_llvm_external_dir "${ARGN}")
744 if("${add_llvm_external_dir}" STREQUAL "")
745 set(add_llvm_external_dir ${name})
747 canonicalize_tool_name(${name} nameUPPER)
748 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt)
749 # Treat it as in-tree subproject.
750 option(LLVM_TOOL_${nameUPPER}_BUILD
751 "Whether to build ${name} as part of LLVM" On)
752 mark_as_advanced(LLVM_TOOL_${name}_BUILD)
753 if(LLVM_TOOL_${nameUPPER}_BUILD)
754 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir})
755 # Don't process it in add_llvm_implicit_projects().
756 set(LLVM_TOOL_${nameUPPER}_BUILD OFF)
759 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR
760 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}"
761 CACHE PATH "Path to ${name} source directory")
762 set(LLVM_TOOL_${nameUPPER}_BUILD_DEFAULT ON)
763 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR})
764 set(LLVM_TOOL_${nameUPPER}_BUILD_DEFAULT OFF)
766 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF")
767 set(LLVM_TOOL_${nameUPPER}_BUILD_DEFAULT OFF)
769 option(LLVM_TOOL_${nameUPPER}_BUILD
770 "Whether to build ${name} as part of LLVM"
771 ${LLVM_TOOL_${nameUPPER}_BUILD_DEFAULT})
772 if (LLVM_TOOL_${nameUPPER}_BUILD)
773 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR})
774 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir})
775 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "")
776 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}")
778 # FIXME: It'd be redundant.
779 set(LLVM_TOOL_${nameUPPER}_BUILD Off)
782 endmacro(add_llvm_external_project)
784 macro(add_llvm_tool_subdirectory name)
785 add_llvm_external_project(${name})
786 endmacro(add_llvm_tool_subdirectory)
788 function(get_project_name_from_src_var var output)
789 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR"
790 MACHED_TOOL "${var}")
792 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE)
794 set(${output} PARENT_SCOPE)
798 function(create_llvm_tool_options)
799 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*")
800 foreach(dir ${sub-dirs})
801 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt")
802 canonicalize_tool_name(${dir} name)
803 option(LLVM_TOOL_${name}_BUILD
804 "Whether to build ${name} as part of LLVM" On)
805 mark_as_advanced(LLVM_TOOL_${name}_BUILD)
808 endfunction(create_llvm_tool_options)
810 function(add_llvm_implicit_projects)
811 set(list_of_implicit_subdirs "")
812 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*")
813 foreach(dir ${sub-dirs})
814 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt")
815 canonicalize_tool_name(${dir} name)
816 if (LLVM_TOOL_${name}_BUILD)
817 get_filename_component(fn "${dir}" NAME)
818 list(APPEND list_of_implicit_subdirs "${fn}")
823 foreach(external_proj ${list_of_implicit_subdirs})
824 add_llvm_external_project("${external_proj}")
826 endfunction(add_llvm_implicit_projects)
828 # Generic support for adding a unittest.
829 function(add_unittest test_suite test_name)
830 if( NOT LLVM_BUILD_TESTS )
831 set(EXCLUDE_FROM_ALL ON)
834 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include)
835 if (NOT LLVM_ENABLE_THREADS)
836 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0)
839 if (SUPPORTS_NO_VARIADIC_MACROS_FLAG)
840 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros")
843 set(LLVM_REQUIRES_RTTI OFF)
845 add_llvm_executable(${test_name} ${ARGN})
846 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR})
847 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir})
848 target_link_libraries(${test_name}
851 LLVMSupport # gtest needs it for raw_ostream.
854 add_dependencies(${test_suite} ${test_name})
855 get_target_property(test_suite_folder ${test_suite} FOLDER)
856 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND")
857 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}")
861 function(llvm_add_go_executable binary pkgpath)
862 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN})
864 if(LLVM_BINDINGS MATCHES "go")
865 # FIXME: This should depend only on the libraries Go needs.
866 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS)
867 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX})
868 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}")
869 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}")
871 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
872 foreach(d ${include_dirs})
873 set(cppflags "${cppflags} -I${d}")
875 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}")
876 if (LLVM_LINK_LLVM_DYLIB)
877 set(linkmode "dylib")
879 set(linkmode "component-libs")
881 add_custom_command(OUTPUT ${binpath}
882 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "linkmode=${linkmode}"
883 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath}
884 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX}
885 ${llvmlibs} ${ARG_DEPENDS}
886 COMMENT "Building Go executable ${binary}"
889 add_custom_target(${binary} ALL DEPENDS ${binpath})
891 add_custom_target(${binary} DEPENDS ${binpath})
896 # This function provides an automatic way to 'configure'-like generate a file
897 # based on a set of common and custom variables, specifically targeting the
898 # variables needed for the 'lit.site.cfg' files. This function bundles the
899 # common variables that any Lit instance is likely to need, and custom
900 # variables can be passed in.
901 function(configure_lit_site_cfg input output)
902 foreach(c ${LLVM_TARGETS_TO_BUILD})
903 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}")
905 set(TARGETS_TO_BUILD ${TARGETS_BUILT})
907 set(SHLIBEXT "${LTDL_SHLIB_EXT}")
909 # Configuration-time: See Unit/lit.site.cfg.in
910 if (CMAKE_CFG_INTDIR STREQUAL ".")
911 set(LLVM_BUILD_MODE ".")
913 set(LLVM_BUILD_MODE "%(build_mode)s")
916 # They below might not be the build tree but provided binary tree.
917 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR})
918 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR})
919 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR})
920 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR})
922 # SHLIBDIR points the build tree.
923 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}")
925 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
926 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for
927 # plugins. We may rename it.
928 if(LLVM_ENABLE_PLUGINS)
929 set(ENABLE_SHARED "1")
931 set(ENABLE_SHARED "0")
934 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE)
935 set(ENABLE_ASSERTIONS "1")
937 set(ENABLE_ASSERTIONS "0")
940 set(HOST_OS ${CMAKE_SYSTEM_NAME})
941 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR})
943 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}")
944 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}")
945 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}")
947 configure_file(${input} ${output} @ONLY)
950 # A raw function to create a lit target. This is used to implement the testuite
951 # management functions.
952 function(add_lit_target target comment)
953 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
954 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}")
955 separate_arguments(LIT_ARGS)
956 if (NOT CMAKE_CFG_INTDIR STREQUAL ".")
957 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR})
959 if (LLVM_MAIN_SRC_DIR)
960 set (LIT_COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
962 find_program(LIT_COMMAND llvm-lit)
964 list(APPEND LIT_COMMAND ${LIT_ARGS})
965 foreach(param ${ARG_PARAMS})
966 list(APPEND LIT_COMMAND --param ${param})
968 if (ARG_UNPARSED_ARGUMENTS)
969 add_custom_target(${target}
970 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS}
972 ${cmake_3_2_USES_TERMINAL}
975 add_custom_target(${target}
976 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.")
977 message(STATUS "${target} does nothing.")
980 add_dependencies(${target} ${ARG_DEPENDS})
983 # Tests should be excluded from "Build Solution".
984 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON)
987 # A function to add a set of lit test suites to be driven through 'check-*' targets.
988 function(add_lit_testsuite target comment)
989 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
991 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all.
992 if(NOT EXCLUDE_FROM_ALL)
993 # Register the testsuites, params and depends for the global check rule.
994 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS})
995 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS})
996 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS})
997 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS})
1000 # Produce a specific suffixed check rule.
1001 add_lit_target(${target} ${comment}
1002 ${ARG_UNPARSED_ARGUMENTS}
1003 PARAMS ${ARG_PARAMS}
1004 DEPENDS ${ARG_DEPENDS}
1009 function(add_lit_testsuites project directory)
1010 if (NOT CMAKE_CONFIGURATION_TYPES)
1011 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
1012 file(GLOB_RECURSE litCfg ${directory}/lit*.cfg)
1014 foreach(f ${litCfg})
1015 get_filename_component(dir ${f} DIRECTORY)
1016 set(lit_suites ${lit_suites} ${dir})
1018 list(REMOVE_DUPLICATES lit_suites)
1019 foreach(dir ${lit_suites})
1020 string(REPLACE ${directory} "" name_slash ${dir})
1022 string(REPLACE "/" "-" name_slash ${name_slash})
1023 string(REPLACE "\\" "-" name_dashes ${name_slash})
1024 string(TOLOWER "${project}${name_dashes}" name_var)
1025 add_lit_target("check-${name_var}" "Running lit suite ${dir}"
1027 PARAMS ${ARG_PARAMS}
1028 DEPENDS ${ARG_DEPENDS}
1036 function(llvm_install_symlink name dest)
1037 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN})
1038 foreach(path ${CMAKE_MODULE_PATH})
1039 if(EXISTS ${path}/LLVMInstallSymlink.cmake)
1040 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake)
1045 if(ARG_ALWAYS_GENERATE)
1046 set(component ${dest})
1048 set(component ${name})
1051 install(SCRIPT ${INSTALL_SYMLINK}
1052 CODE "install_symlink(${name} ${dest})"
1053 COMPONENT ${component})
1055 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE)
1056 add_custom_target(install-${name}
1057 DEPENDS ${name} ${dest} install-${dest}
1058 COMMAND "${CMAKE_COMMAND}"
1059 -DCMAKE_INSTALL_COMPONENT=${name}
1060 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
1064 function(add_llvm_tool_symlink name dest)
1065 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN})
1067 set(LLVM_LINK_OR_COPY create_symlink)
1068 set(dest_binary "${dest}${CMAKE_EXECUTABLE_SUFFIX}")
1070 set(LLVM_LINK_OR_COPY copy)
1071 set(dest_binary "${LLVM_RUNTIME_OUTPUT_INTDIR}/${dest}${CMAKE_EXECUTABLE_SUFFIX}")
1074 set(output_path "${LLVM_RUNTIME_OUTPUT_INTDIR}/${name}${CMAKE_EXECUTABLE_SUFFIX}")
1076 if(ARG_ALWAYS_GENERATE)
1077 set_property(DIRECTORY APPEND PROPERTY
1078 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary})
1079 add_custom_command(TARGET ${dest} POST_BUILD
1080 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}")
1082 add_custom_command(OUTPUT ${output_path}
1083 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}"
1085 add_custom_target(${name} ALL DEPENDS ${output_path})
1086 set_target_properties(${name} PROPERTIES FOLDER Tools)
1088 # Make sure the parent tool is a toolchain tool, otherwise exclude this tool
1089 list(FIND LLVM_TOOLCHAIN_TOOLS ${dest} LLVM_IS_${dest}_TOOLCHAIN_TOOL)
1090 if (NOT LLVM_IS_${dest}_TOOLCHAIN_TOOL GREATER -1)
1091 set(LLVM_IS_${name}_TOOLCHAIN_TOOL ${LLVM_IS_${dest}_TOOLCHAIN_TOOL})
1093 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL)
1096 # LLVM_IS_${name}_TOOLCHAIN_TOOL will only be greater than -1 if both this
1097 # tool and its parent tool are in LLVM_TOOLCHAIN_TOOLS
1098 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
1099 if( LLVM_BUILD_TOOLS )
1100 llvm_install_symlink(${name} ${dest})