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 ${CMAKE_CONFIGURATION_TYPES}.
195 # Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more,
196 # or a certain builder, for eaxample, msbuild.exe, would be confused.
197 function(set_output_directory target bindir libdir)
198 # Do nothing if *_OUTPUT_INTDIR is empty.
199 if("${bindir}" STREQUAL "")
203 # moddir -- corresponding to LIBRARY_OUTPUT_DIRECTORY.
204 # It affects output of add_library(MODULE).
207 set(moddir ${bindir})
209 set(moddir ${libdir})
211 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".")
212 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES})
213 string(TOUPPER "${build_mode}" CONFIG_SUFFIX)
214 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${bindir})
215 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${libdir})
216 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${moddir})
217 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi})
218 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li})
219 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi})
222 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${bindir})
223 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${libdir})
224 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${moddir})
228 # If on Windows and building with MSVC, add the resource script containing the
229 # VERSIONINFO data to the project. This embeds version resource information
230 # into the output .exe or .dll.
231 # TODO: Enable for MinGW Windows builds too.
233 function(add_windows_version_resource_file OUT_VAR)
236 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc)
237 if(EXISTS ${resource_file})
238 set(sources ${sources} ${resource_file})
239 source_group("Resource Files" ${resource_file})
240 set(windows_resource_file ${resource_file} PARENT_SCOPE)
244 set(${OUT_VAR} ${sources} PARENT_SCOPE)
245 endfunction(add_windows_version_resource_file)
247 # set_windows_version_resource_properties(name resource_file...
249 # Optional major version number (defaults to LLVM_VERSION_MAJOR)
251 # Optional minor version number (defaults to LLVM_VERSION_MINOR)
252 # VERSION_PATCHLEVEL int
253 # Optional patchlevel version number (defaults to LLVM_VERSION_PATCH)
255 # Optional version string (defaults to PACKAGE_VERSION)
257 # Optional product name string (defaults to "LLVM")
259 function(set_windows_version_resource_properties name resource_file)
260 cmake_parse_arguments(ARG
262 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME"
266 if (NOT DEFINED ARG_VERSION_MAJOR)
267 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
270 if (NOT DEFINED ARG_VERSION_MINOR)
271 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR})
274 if (NOT DEFINED ARG_VERSION_PATCHLEVEL)
275 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH})
278 if (NOT DEFINED ARG_VERSION_STRING)
279 set(ARG_VERSION_STRING ${PACKAGE_VERSION})
282 if (NOT DEFINED ARG_PRODUCT_NAME)
283 set(ARG_PRODUCT_NAME "LLVM")
286 set_property(SOURCE ${resource_file}
287 PROPERTY COMPILE_FLAGS /nologo)
288 set_property(SOURCE ${resource_file}
289 PROPERTY COMPILE_DEFINITIONS
290 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}"
291 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}"
292 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}"
293 "RC_VERSION_FIELD_4=0"
294 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\""
295 "RC_INTERNAL_NAME=\"${name}\""
296 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\""
297 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"")
298 endfunction(set_windows_version_resource_properties)
300 # llvm_add_library(name sources...
302 # STATIC by default w/o BUILD_SHARED_LIBS.
303 # SHARED by default w/ BUILD_SHARED_LIBS.
305 # Target ${name} might not be created on unsupported platforms.
306 # Check with "if(TARGET ${name})".
307 # DISABLE_LLVM_LINK_LLVM_DYLIB
308 # Do not link this library to libLLVM, even if
309 # LLVM_LINK_LLVM_DYLIB is enabled.
311 # Corresponds to OUTPUT_NAME in target properties.
313 # Same semantics as add_dependencies().
314 # LINK_COMPONENTS components...
315 # Same as the variable LLVM_LINK_COMPONENTS.
316 # LINK_LIBS lib_targets...
317 # Same semantics as target_link_libraries().
319 # May specify header files for IDE generators.
321 function(llvm_add_library name)
322 cmake_parse_arguments(ARG
323 "MODULE;SHARED;STATIC;DISABLE_LLVM_LINK_LLVM_DYLIB"
325 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS"
327 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS})
328 if(ARG_ADDITIONAL_HEADERS)
329 # Pass through ADDITIONAL_HEADERS.
330 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS})
333 set(ALL_FILES ${ARG_OBJLIBS})
335 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS})
339 if(ARG_SHARED OR ARG_STATIC)
340 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.")
342 if(NOT LLVM_ENABLE_PLUGINS)
343 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.")
347 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC)
356 if(ARG_SHARED AND ARG_STATIC)
357 # Generate an obj library for both targets.
358 set(obj_name "obj.${name}")
359 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
362 llvm_update_compile_flags(${obj_name})
363 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
365 # Do add_dependencies(obj) later due to CMake issue 14747.
366 list(APPEND objlibs ${obj_name})
368 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
371 if(ARG_SHARED AND ARG_STATIC)
373 set(name_static "${name}_static")
375 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}")
377 # DEPENDS has been appended to LLVM_COMMON_LIBS.
378 llvm_add_library(${name_static} STATIC
380 OBJLIBS ${ALL_FILES} # objlib
381 LINK_LIBS ${ARG_LINK_LIBS}
382 LINK_COMPONENTS ${ARG_LINK_COMPONENTS}
384 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY.
389 add_library(${name} MODULE ${ALL_FILES})
391 add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
392 add_library(${name} SHARED ${ALL_FILES})
394 add_library(${name} STATIC ${ALL_FILES})
397 if(DEFINED windows_resource_file)
398 set_windows_version_resource_properties(${name} ${windows_resource_file})
399 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE)
402 set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR})
403 # $<TARGET_OBJECTS> doesn't require compile flags.
405 llvm_update_compile_flags(${name})
407 add_link_opts( ${name} )
409 set_target_properties(${name}
411 OUTPUT_NAME ${ARG_OUTPUT_NAME}
416 set_target_properties(${name} PROPERTIES
418 SUFFIX ${LLVM_PLUGIN_EXT}
424 set_target_properties(${name} PROPERTIES
429 set_target_properties(${name}
431 SOVERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}
432 VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX})
435 if(ARG_MODULE OR ARG_SHARED)
436 # Do not add -Dname_EXPORTS to the command-line when building files in this
437 # target. Doing so is actively harmful for the modules build because it
438 # creates extra module variants, and not useful because we don't use these
440 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" )
442 if (LLVM_EXPORTED_SYMBOL_FILE)
443 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
447 # Add the explicit dependency information for this library.
449 # It would be nice to verify that we have the dependencies for this library
450 # name, but using get_property(... SET) doesn't suffice to determine if a
451 # property has been set to an empty value.
452 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name})
454 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_STATIC AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
457 llvm_map_components_to_libnames(llvm_libs
458 ${ARG_LINK_COMPONENTS}
459 ${LLVM_LINK_COMPONENTS}
463 if(CMAKE_VERSION VERSION_LESS 2.8.12)
464 # Link libs w/o keywords, assuming PUBLIC.
465 target_link_libraries(${name}
471 target_link_libraries(${name} INTERFACE
477 # We can use PRIVATE since SO knows its dependent libs.
478 target_link_libraries(${name} PRIVATE
485 if(LLVM_COMMON_DEPENDS)
486 add_dependencies(${name} ${LLVM_COMMON_DEPENDS})
487 # Add dependencies also to objlibs.
488 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user.
489 foreach(objlib ${objlibs})
490 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS})
495 macro(add_llvm_library name)
496 cmake_parse_arguments(ARG
501 if( BUILD_SHARED_LIBS )
502 llvm_add_library(${name} SHARED ${ARGN})
504 llvm_add_library(${name} ${ARGN})
506 # The gtest libraries should not be installed or exported as a target
507 if ("${name}" STREQUAL gtest OR "${name}" STREQUAL gtest_main)
511 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} )
514 if( EXCLUDE_FROM_ALL )
515 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
516 elseif(NOT _is_gtest)
517 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO")
518 if(ARG_SHARED OR BUILD_SHARED_LIBS)
520 set(install_type RUNTIME)
522 set(install_type LIBRARY)
525 set(install_type ARCHIVE)
528 install(TARGETS ${name}
530 ${install_type} DESTINATION lib${LLVM_LIBDIR_SUFFIX}
533 if (NOT CMAKE_CONFIGURATION_TYPES)
534 add_custom_target(install-${name}
536 COMMAND "${CMAKE_COMMAND}"
537 -DCMAKE_INSTALL_COMPONENT=${name}
538 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
541 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
543 set_target_properties(${name} PROPERTIES FOLDER "Libraries")
544 endmacro(add_llvm_library name)
546 macro(add_llvm_loadable_module name)
547 llvm_add_library(${name} MODULE ${ARGN})
548 if(NOT TARGET ${name})
549 # Add empty "phony" target
550 add_custom_target(${name})
552 if( EXCLUDE_FROM_ALL )
553 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
555 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
560 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}")
562 install(TARGETS ${name}
564 LIBRARY DESTINATION ${dlldir}
565 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
567 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
571 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules")
572 endmacro(add_llvm_loadable_module name)
575 macro(add_llvm_executable name)
576 cmake_parse_arguments(ARG "DISABLE_LLVM_LINK_LLVM_DYLIB" "" "" ${ARGN})
577 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} )
580 if(LLVM_ENABLE_OBJLIB)
581 # Generate an obj library for both targets.
582 set(obj_name "obj.${name}")
583 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
586 llvm_update_compile_flags(${obj_name})
587 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
589 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
592 add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
595 # Note: the dummy.cpp source file provides no definitions. However,
596 # it forces Xcode to properly link the static library.
597 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp")
600 if( EXCLUDE_FROM_ALL )
601 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES})
603 add_executable(${name} ${ALL_FILES})
606 if(DEFINED windows_resource_file)
607 set_windows_version_resource_properties(${name} ${windows_resource_file})
610 # $<TARGET_OBJECTS> doesn't require compile flags.
611 if(NOT LLVM_ENABLE_OBJLIB)
612 llvm_update_compile_flags(${name})
614 add_link_opts( ${name} )
616 # Do not add -Dname_EXPORTS to the command-line when building files in this
617 # target. Doing so is actively harmful for the modules build because it
618 # creates extra module variants, and not useful because we don't use these
620 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" )
622 if (LLVM_EXPORTED_SYMBOL_FILE)
623 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
624 endif(LLVM_EXPORTED_SYMBOL_FILE)
626 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
627 set(USE_SHARED USE_SHARED)
630 set(EXCLUDE_FROM_ALL OFF)
631 set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR})
632 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} )
633 if( LLVM_COMMON_DEPENDS )
634 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
635 endif( LLVM_COMMON_DEPENDS )
636 endmacro(add_llvm_executable name)
638 function(export_executable_symbols target)
639 if (NOT MSVC) # MSVC's linker doesn't support exporting all symbols.
640 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1)
644 if(NOT LLVM_TOOLCHAIN_TOOLS)
645 set (LLVM_TOOLCHAIN_TOOLS
653 macro(add_llvm_tool name)
654 if( NOT LLVM_BUILD_TOOLS )
655 set(EXCLUDE_FROM_ALL ON)
657 add_llvm_executable(${name} ${ARGN})
659 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL)
660 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
661 if( LLVM_BUILD_TOOLS )
662 install(TARGETS ${name}
664 RUNTIME DESTINATION bin
667 if (NOT CMAKE_CONFIGURATION_TYPES)
668 add_custom_target(install-${name}
670 COMMAND "${CMAKE_COMMAND}"
671 -DCMAKE_INSTALL_COMPONENT=${name}
672 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
676 if( LLVM_BUILD_TOOLS )
677 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
679 set_target_properties(${name} PROPERTIES FOLDER "Tools")
680 endmacro(add_llvm_tool name)
683 macro(add_llvm_example name)
684 if( NOT LLVM_BUILD_EXAMPLES )
685 set(EXCLUDE_FROM_ALL ON)
687 add_llvm_executable(${name} ${ARGN})
688 if( LLVM_BUILD_EXAMPLES )
689 install(TARGETS ${name} RUNTIME DESTINATION examples)
691 set_target_properties(${name} PROPERTIES FOLDER "Examples")
692 endmacro(add_llvm_example name)
695 macro(add_llvm_utility name)
696 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN})
697 set_target_properties(${name} PROPERTIES FOLDER "Utils")
698 if( LLVM_INSTALL_UTILS )
699 install (TARGETS ${name}
700 RUNTIME DESTINATION bin
702 if (NOT CMAKE_CONFIGURATION_TYPES)
703 add_custom_target(install-${name}
705 COMMAND "${CMAKE_COMMAND}"
706 -DCMAKE_INSTALL_COMPONENT=${name}
707 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
710 endmacro(add_llvm_utility name)
713 macro(add_llvm_target target_name)
714 include_directories(BEFORE
715 ${CMAKE_CURRENT_BINARY_DIR}
716 ${CMAKE_CURRENT_SOURCE_DIR})
717 add_llvm_library(LLVM${target_name} ${ARGN})
718 set( CURRENT_LLVM_TARGET LLVM${target_name} )
719 endmacro(add_llvm_target)
721 function(canonicalize_tool_name name output)
722 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name})
723 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip})
724 string(TOUPPER ${nameUNDERSCORE} nameUPPER)
725 set(${output} "${nameUPPER}" PARENT_SCOPE)
726 endfunction(canonicalize_tool_name)
728 # Add external project that may want to be built as part of llvm such as Clang,
729 # lld, and Polly. This adds two options. One for the source directory of the
730 # project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to
731 # enable or disable building it with everything else.
732 # Additional parameter can be specified as the name of directory.
733 macro(add_llvm_external_project name)
734 set(add_llvm_external_dir "${ARGN}")
735 if("${add_llvm_external_dir}" STREQUAL "")
736 set(add_llvm_external_dir ${name})
738 canonicalize_tool_name(${name} nameUPPER)
739 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt)
740 # Treat it as in-tree subproject.
741 option(LLVM_TOOL_${nameUPPER}_BUILD
742 "Whether to build ${name} as part of LLVM" On)
743 mark_as_advanced(LLVM_TOOL_${name}_BUILD)
744 if(LLVM_TOOL_${nameUPPER}_BUILD)
745 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir})
746 # Don't process it in add_llvm_implicit_projects().
747 set(LLVM_TOOL_${nameUPPER}_BUILD OFF)
750 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR
751 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}"
752 CACHE PATH "Path to ${name} source directory")
753 set(LLVM_TOOL_${nameUPPER}_BUILD_DEFAULT ON)
754 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR})
755 set(LLVM_TOOL_${nameUPPER}_BUILD_DEFAULT OFF)
757 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF")
758 set(LLVM_TOOL_${nameUPPER}_BUILD_DEFAULT OFF)
760 option(LLVM_TOOL_${nameUPPER}_BUILD
761 "Whether to build ${name} as part of LLVM"
762 ${LLVM_TOOL_${nameUPPER}_BUILD_DEFAULT})
763 if (LLVM_TOOL_${nameUPPER}_BUILD)
764 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR})
765 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir})
766 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "")
767 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}")
769 # FIXME: It'd be redundant.
770 set(LLVM_TOOL_${nameUPPER}_BUILD Off)
773 endmacro(add_llvm_external_project)
775 macro(add_llvm_tool_subdirectory name)
776 add_llvm_external_project(${name})
777 endmacro(add_llvm_tool_subdirectory)
779 function(get_project_name_from_src_var var output)
780 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR"
781 MACHED_TOOL "${var}")
783 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE)
785 set(${output} PARENT_SCOPE)
789 function(create_llvm_tool_options)
790 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*")
791 foreach(dir ${sub-dirs})
792 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt")
793 canonicalize_tool_name(${dir} name)
794 option(LLVM_TOOL_${name}_BUILD
795 "Whether to build ${name} as part of LLVM" On)
796 mark_as_advanced(LLVM_TOOL_${name}_BUILD)
799 endfunction(create_llvm_tool_options)
801 function(add_llvm_implicit_projects)
802 set(list_of_implicit_subdirs "")
803 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*")
804 foreach(dir ${sub-dirs})
805 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt")
806 canonicalize_tool_name(${dir} name)
807 if (LLVM_TOOL_${name}_BUILD)
808 get_filename_component(fn "${dir}" NAME)
809 list(APPEND list_of_implicit_subdirs "${fn}")
814 foreach(external_proj ${list_of_implicit_subdirs})
815 add_llvm_external_project("${external_proj}")
817 endfunction(add_llvm_implicit_projects)
819 # Generic support for adding a unittest.
820 function(add_unittest test_suite test_name)
821 if( NOT LLVM_BUILD_TESTS )
822 set(EXCLUDE_FROM_ALL ON)
825 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include)
826 if (NOT LLVM_ENABLE_THREADS)
827 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0)
830 if (SUPPORTS_NO_VARIADIC_MACROS_FLAG)
831 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros")
834 set(LLVM_REQUIRES_RTTI OFF)
836 add_llvm_executable(${test_name} ${ARGN})
837 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR})
838 set_output_directory(${test_name} ${outdir} ${outdir})
839 target_link_libraries(${test_name}
842 LLVMSupport # gtest needs it for raw_ostream.
845 add_dependencies(${test_suite} ${test_name})
846 get_target_property(test_suite_folder ${test_suite} FOLDER)
847 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND")
848 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}")
852 function(llvm_add_go_executable binary pkgpath)
853 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN})
855 if(LLVM_BINDINGS MATCHES "go")
856 # FIXME: This should depend only on the libraries Go needs.
857 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS)
858 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX})
859 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}")
860 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}")
862 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
863 foreach(d ${include_dirs})
864 set(cppflags "${cppflags} -I${d}")
866 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}")
867 if (LLVM_LINK_LLVM_DYLIB)
868 set(linkmode "dylib")
870 set(linkmode "component-libs")
872 add_custom_command(OUTPUT ${binpath}
873 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "linkmode=${linkmode}"
874 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath}
875 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX}
876 ${llvmlibs} ${ARG_DEPENDS}
877 COMMENT "Building Go executable ${binary}"
880 add_custom_target(${binary} ALL DEPENDS ${binpath})
882 add_custom_target(${binary} DEPENDS ${binpath})
887 # This function provides an automatic way to 'configure'-like generate a file
888 # based on a set of common and custom variables, specifically targeting the
889 # variables needed for the 'lit.site.cfg' files. This function bundles the
890 # common variables that any Lit instance is likely to need, and custom
891 # variables can be passed in.
892 function(configure_lit_site_cfg input output)
893 foreach(c ${LLVM_TARGETS_TO_BUILD})
894 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}")
896 set(TARGETS_TO_BUILD ${TARGETS_BUILT})
898 set(SHLIBEXT "${LTDL_SHLIB_EXT}")
900 # Configuration-time: See Unit/lit.site.cfg.in
901 if (CMAKE_CFG_INTDIR STREQUAL ".")
902 set(LLVM_BUILD_MODE ".")
904 set(LLVM_BUILD_MODE "%(build_mode)s")
907 # They below might not be the build tree but provided binary tree.
908 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR})
909 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR})
910 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR})
911 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR})
913 # SHLIBDIR points the build tree.
914 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}")
916 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
917 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for
918 # plugins. We may rename it.
919 if(LLVM_ENABLE_PLUGINS)
920 set(ENABLE_SHARED "1")
922 set(ENABLE_SHARED "0")
925 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE)
926 set(ENABLE_ASSERTIONS "1")
928 set(ENABLE_ASSERTIONS "0")
931 set(HOST_OS ${CMAKE_SYSTEM_NAME})
932 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR})
934 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}")
935 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}")
936 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}")
938 configure_file(${input} ${output} @ONLY)
941 # A raw function to create a lit target. This is used to implement the testuite
942 # management functions.
943 function(add_lit_target target comment)
944 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
945 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}")
946 separate_arguments(LIT_ARGS)
947 if (NOT CMAKE_CFG_INTDIR STREQUAL ".")
948 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR})
950 if (LLVM_MAIN_SRC_DIR)
951 set (LIT_COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
953 find_program(LIT_COMMAND llvm-lit)
955 list(APPEND LIT_COMMAND ${LIT_ARGS})
956 foreach(param ${ARG_PARAMS})
957 list(APPEND LIT_COMMAND --param ${param})
959 if (ARG_UNPARSED_ARGUMENTS)
960 add_custom_target(${target}
961 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS}
963 ${cmake_3_2_USES_TERMINAL}
966 add_custom_target(${target}
967 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.")
968 message(STATUS "${target} does nothing.")
971 add_dependencies(${target} ${ARG_DEPENDS})
974 # Tests should be excluded from "Build Solution".
975 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON)
978 # A function to add a set of lit test suites to be driven through 'check-*' targets.
979 function(add_lit_testsuite target comment)
980 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
982 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all.
983 if(NOT EXCLUDE_FROM_ALL)
984 # Register the testsuites, params and depends for the global check rule.
985 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS})
986 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS})
987 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS})
988 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS})
991 # Produce a specific suffixed check rule.
992 add_lit_target(${target} ${comment}
993 ${ARG_UNPARSED_ARGUMENTS}
995 DEPENDS ${ARG_DEPENDS}
1000 function(add_lit_testsuites project directory)
1001 if (NOT CMAKE_CONFIGURATION_TYPES)
1002 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
1003 file(GLOB_RECURSE litCfg ${directory}/lit*.cfg)
1005 foreach(f ${litCfg})
1006 get_filename_component(dir ${f} DIRECTORY)
1007 set(lit_suites ${lit_suites} ${dir})
1009 list(REMOVE_DUPLICATES lit_suites)
1010 foreach(dir ${lit_suites})
1011 string(REPLACE ${directory} "" name_slash ${dir})
1013 string(REPLACE "/" "-" name_slash ${name_slash})
1014 string(REPLACE "\\" "-" name_dashes ${name_slash})
1015 string(TOLOWER "${project}${name_dashes}" name_var)
1016 add_lit_target("check-${name_var}" "Running lit suite ${dir}"
1018 PARAMS ${ARG_PARAMS}
1019 DEPENDS ${ARG_DEPENDS}
1027 function(llvm_install_symlink name dest)
1028 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN})
1029 foreach(path ${CMAKE_MODULE_PATH})
1030 if(EXISTS ${path}/LLVMInstallSymlink.cmake)
1031 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake)
1036 if(ARG_ALWAYS_GENERATE)
1037 set(component ${dest})
1039 set(component ${name})
1042 install(SCRIPT ${INSTALL_SYMLINK}
1043 CODE "install_symlink(${name} ${dest})"
1044 COMPONENT ${component})
1046 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE)
1047 add_custom_target(install-${name}
1048 DEPENDS ${name} ${dest} install-${dest}
1049 COMMAND "${CMAKE_COMMAND}"
1050 -DCMAKE_INSTALL_COMPONENT=${name}
1051 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
1055 function(add_llvm_tool_symlink name dest)
1056 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN})
1058 set(LLVM_LINK_OR_COPY create_symlink)
1059 set(dest_binary "${dest}${CMAKE_EXECUTABLE_SUFFIX}")
1061 set(LLVM_LINK_OR_COPY copy)
1062 set(dest_binary "${LLVM_RUNTIME_OUTPUT_INTDIR}/${dest}${CMAKE_EXECUTABLE_SUFFIX}")
1065 set(output_path "${LLVM_RUNTIME_OUTPUT_INTDIR}/${name}${CMAKE_EXECUTABLE_SUFFIX}")
1067 if(ARG_ALWAYS_GENERATE)
1068 set_property(DIRECTORY APPEND PROPERTY
1069 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary})
1070 add_custom_command(TARGET ${dest} POST_BUILD
1071 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}")
1073 add_custom_command(OUTPUT ${output_path}
1074 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}"
1076 add_custom_target(${name} ALL DEPENDS ${output_path})
1077 set_target_properties(${name} PROPERTIES FOLDER Tools)
1079 # Make sure the parent tool is a toolchain tool, otherwise exclude this tool
1080 list(FIND LLVM_TOOLCHAIN_TOOLS ${dest} LLVM_IS_${dest}_TOOLCHAIN_TOOL)
1081 if (NOT LLVM_IS_${dest}_TOOLCHAIN_TOOL GREATER -1)
1082 set(LLVM_IS_${name}_TOOLCHAIN_TOOL ${LLVM_IS_${dest}_TOOLCHAIN_TOOL})
1084 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL)
1087 # LLVM_IS_${name}_TOOLCHAIN_TOOL will only be greater than -1 if both this
1088 # tool and its parent tool are in LLVM_TOOLCHAIN_TOOLS
1089 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
1090 if( LLVM_BUILD_TOOLS )
1091 llvm_install_symlink(${name} ${dest})