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 set(LLVM_CONFIG_HAS_RTTI YES CACHE INTERNAL "")
30 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI))
31 set(LLVM_CONFIG_HAS_RTTI NO CACHE INTERNAL "")
32 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0)
33 if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
34 list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti")
36 list(APPEND LLVM_COMPILE_FLAGS "/GR-")
41 # - LLVM_COMPILE_FLAGS is list.
42 # - PROPERTY COMPILE_FLAGS is string.
43 string(REPLACE ";" " " target_compile_flags " ${LLVM_COMPILE_FLAGS}")
46 foreach(fn ${sources})
47 get_filename_component(suf ${fn} EXT)
48 if("${suf}" STREQUAL ".cpp")
49 set_property(SOURCE ${fn} APPEND_STRING PROPERTY
50 COMPILE_FLAGS "${target_compile_flags}")
54 # Update target props, since all sources are C++.
55 set_property(TARGET ${name} APPEND_STRING PROPERTY
56 COMPILE_FLAGS "${target_compile_flags}")
59 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS})
62 function(add_llvm_symbol_exports target_name export_file)
63 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
64 set(native_export_file "${target_name}.exports")
65 add_custom_command(OUTPUT ${native_export_file}
66 COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file}
67 DEPENDS ${export_file}
69 COMMENT "Creating export file for ${target_name}")
70 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
71 LINK_FLAGS " -Wl,-exported_symbols_list,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
72 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT)
73 # Gold and BFD ld require a version script rather than a plain list.
74 set(native_export_file "${target_name}.exports")
75 # FIXME: Don't write the "local:" line on OpenBSD.
76 add_custom_command(OUTPUT ${native_export_file}
77 COMMAND echo "{" > ${native_export_file}
78 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || :
79 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file}
80 COMMAND echo " local: *;" >> ${native_export_file}
81 COMMAND echo "};" >> ${native_export_file}
82 DEPENDS ${export_file}
84 COMMENT "Creating export file for ${target_name}")
85 if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
86 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
87 LINK_FLAGS " -Wl,-M,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
89 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
90 LINK_FLAGS " -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
93 set(native_export_file "${target_name}.def")
95 add_custom_command(OUTPUT ${native_export_file}
96 COMMAND ${PYTHON_EXECUTABLE} -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))"
97 < ${export_file} > ${native_export_file}
98 DEPENDS ${export_file}
100 COMMENT "Creating export file for ${target_name}")
101 set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
103 set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"")
105 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
106 LINK_FLAGS " ${export_file_linker_flag}")
109 add_custom_target(${target_name}_exports DEPENDS ${native_export_file})
110 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc")
112 get_property(srcs TARGET ${target_name} PROPERTY SOURCES)
114 get_filename_component(extension ${src} EXT)
115 if(extension STREQUAL ".cpp")
116 set(first_source_file ${src})
121 # Force re-linking when the exports file changes. Actually, it
122 # forces recompilation of the source file. The LINK_DEPENDS target
123 # property only works for makefile-based generators.
124 # FIXME: This is not safe because this will create the same target
125 # ${native_export_file} in several different file:
126 # - One where we emitted ${target_name}_exports
127 # - One where we emitted the build command for the following object.
128 # set_property(SOURCE ${first_source_file} APPEND PROPERTY
129 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file})
131 set_property(DIRECTORY APPEND
132 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file})
134 add_dependencies(${target_name} ${target_name}_exports)
136 # Add dependency to *_exports later -- CMake issue 14747
137 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports)
138 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE)
139 endfunction(add_llvm_symbol_exports)
141 if(NOT WIN32 AND NOT APPLE)
143 COMMAND ${CMAKE_C_COMPILER} -Wl,--version
144 OUTPUT_VARIABLE stdout
147 if("${stdout}" MATCHES "GNU gold")
148 set(LLVM_LINKER_IS_GOLD ON)
152 function(add_link_opts target_name)
153 # Don't use linker optimizations in debug builds since it slows down the
154 # linker in a context where the optimizations are not important.
155 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
157 # Pass -O3 to the linker. This enabled different optimizations on different
159 if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin|SunOS" OR WIN32))
160 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
161 LINK_FLAGS " -Wl,-O3")
164 if(LLVM_LINKER_IS_GOLD)
165 # With gold gc-sections is always safe.
166 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
167 LINK_FLAGS " -Wl,--gc-sections")
168 # Note that there is a bug with -Wl,--icf=safe so it is not safe
169 # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704.
172 if(NOT LLVM_NO_DEAD_STRIP)
173 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
174 # ld64's implementation of -dead_strip breaks tools that use plugins.
175 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
176 LINK_FLAGS " -Wl,-dead_strip")
177 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
178 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
179 LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections")
180 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD)
181 # Object files are compiled with -ffunction-data-sections.
182 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks
183 # tools that use plugins. Always pass --gc-sections once we require
185 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
186 LINK_FLAGS " -Wl,--gc-sections")
190 endfunction(add_link_opts)
192 # Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}.
193 # Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more,
194 # or a certain builder, for eaxample, msbuild.exe, would be confused.
195 function(set_output_directory target)
196 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR;" "" ${ARGN})
198 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY.
199 # It affects output of add_library(MODULE).
202 set(module_dir ${ARG_BINARY_DIR})
204 set(module_dir ${ARG_LIBRARY_DIR})
206 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".")
207 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES})
208 string(TOUPPER "${build_mode}" CONFIG_SUFFIX)
210 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR})
211 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi})
214 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR})
215 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li})
218 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir})
219 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi})
224 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR})
227 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR})
230 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir})
235 # If on Windows and building with MSVC, add the resource script containing the
236 # VERSIONINFO data to the project. This embeds version resource information
237 # into the output .exe or .dll.
238 # TODO: Enable for MinGW Windows builds too.
240 function(add_windows_version_resource_file OUT_VAR)
243 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc)
244 if(EXISTS ${resource_file})
245 set(sources ${sources} ${resource_file})
246 source_group("Resource Files" ${resource_file})
247 set(windows_resource_file ${resource_file} PARENT_SCOPE)
251 set(${OUT_VAR} ${sources} PARENT_SCOPE)
252 endfunction(add_windows_version_resource_file)
254 # set_windows_version_resource_properties(name resource_file...
256 # Optional major version number (defaults to LLVM_VERSION_MAJOR)
258 # Optional minor version number (defaults to LLVM_VERSION_MINOR)
259 # VERSION_PATCHLEVEL int
260 # Optional patchlevel version number (defaults to LLVM_VERSION_PATCH)
262 # Optional version string (defaults to PACKAGE_VERSION)
264 # Optional product name string (defaults to "LLVM")
266 function(set_windows_version_resource_properties name resource_file)
267 cmake_parse_arguments(ARG
269 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME"
273 if (NOT DEFINED ARG_VERSION_MAJOR)
274 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
277 if (NOT DEFINED ARG_VERSION_MINOR)
278 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR})
281 if (NOT DEFINED ARG_VERSION_PATCHLEVEL)
282 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH})
285 if (NOT DEFINED ARG_VERSION_STRING)
286 set(ARG_VERSION_STRING ${PACKAGE_VERSION})
289 if (NOT DEFINED ARG_PRODUCT_NAME)
290 set(ARG_PRODUCT_NAME "LLVM")
293 set_property(SOURCE ${resource_file}
294 PROPERTY COMPILE_FLAGS /nologo)
295 set_property(SOURCE ${resource_file}
296 PROPERTY COMPILE_DEFINITIONS
297 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}"
298 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}"
299 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}"
300 "RC_VERSION_FIELD_4=0"
301 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\""
302 "RC_INTERNAL_NAME=\"${name}\""
303 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\""
304 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"")
305 endfunction(set_windows_version_resource_properties)
307 # llvm_add_library(name sources...
309 # STATIC by default w/o BUILD_SHARED_LIBS.
310 # SHARED by default w/ BUILD_SHARED_LIBS.
312 # Target ${name} might not be created on unsupported platforms.
313 # Check with "if(TARGET ${name})".
314 # DISABLE_LLVM_LINK_LLVM_DYLIB
315 # Do not link this library to libLLVM, even if
316 # LLVM_LINK_LLVM_DYLIB is enabled.
318 # Corresponds to OUTPUT_NAME in target properties.
320 # Same semantics as add_dependencies().
321 # LINK_COMPONENTS components...
322 # Same as the variable LLVM_LINK_COMPONENTS.
323 # LINK_LIBS lib_targets...
324 # Same semantics as target_link_libraries().
326 # May specify header files for IDE generators.
328 function(llvm_add_library name)
329 cmake_parse_arguments(ARG
330 "MODULE;SHARED;STATIC;DISABLE_LLVM_LINK_LLVM_DYLIB"
332 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS"
334 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS})
335 if(ARG_ADDITIONAL_HEADERS)
336 # Pass through ADDITIONAL_HEADERS.
337 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS})
340 set(ALL_FILES ${ARG_OBJLIBS})
342 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS})
346 if(ARG_SHARED OR ARG_STATIC)
347 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.")
349 if(NOT LLVM_ENABLE_PLUGINS)
350 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.")
354 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC)
363 if(ARG_SHARED AND ARG_STATIC)
364 # Generate an obj library for both targets.
365 set(obj_name "obj.${name}")
366 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
369 llvm_update_compile_flags(${obj_name})
370 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
372 # Do add_dependencies(obj) later due to CMake issue 14747.
373 list(APPEND objlibs ${obj_name})
375 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
378 if(ARG_SHARED AND ARG_STATIC)
380 set(name_static "${name}_static")
382 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}")
384 # DEPENDS has been appended to LLVM_COMMON_LIBS.
385 llvm_add_library(${name_static} STATIC
387 OBJLIBS ${ALL_FILES} # objlib
388 LINK_LIBS ${ARG_LINK_LIBS}
389 LINK_COMPONENTS ${ARG_LINK_COMPONENTS}
391 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY.
396 add_library(${name} MODULE ${ALL_FILES})
398 add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
399 add_library(${name} SHARED ${ALL_FILES})
401 add_library(${name} STATIC ${ALL_FILES})
404 if(DEFINED windows_resource_file)
405 set_windows_version_resource_properties(${name} ${windows_resource_file})
406 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE)
409 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
410 # $<TARGET_OBJECTS> doesn't require compile flags.
412 llvm_update_compile_flags(${name})
414 add_link_opts( ${name} )
416 set_target_properties(${name}
418 OUTPUT_NAME ${ARG_OUTPUT_NAME}
423 set_target_properties(${name} PROPERTIES
425 SUFFIX ${LLVM_PLUGIN_EXT}
431 set_target_properties(${name} PROPERTIES
436 set_target_properties(${name}
438 SOVERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}
439 VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX})
442 if(ARG_MODULE OR ARG_SHARED)
443 # Do not add -Dname_EXPORTS to the command-line when building files in this
444 # target. Doing so is actively harmful for the modules build because it
445 # creates extra module variants, and not useful because we don't use these
447 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" )
449 if (LLVM_EXPORTED_SYMBOL_FILE)
450 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
454 # Add the explicit dependency information for this library.
456 # It would be nice to verify that we have the dependencies for this library
457 # name, but using get_property(... SET) doesn't suffice to determine if a
458 # property has been set to an empty value.
459 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name})
461 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_STATIC AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
464 llvm_map_components_to_libnames(llvm_libs
465 ${ARG_LINK_COMPONENTS}
466 ${LLVM_LINK_COMPONENTS}
470 if(CMAKE_VERSION VERSION_LESS 2.8.12)
471 # Link libs w/o keywords, assuming PUBLIC.
472 target_link_libraries(${name}
478 target_link_libraries(${name} INTERFACE
484 # We can use PRIVATE since SO knows its dependent libs.
485 target_link_libraries(${name} PRIVATE
492 if(LLVM_COMMON_DEPENDS)
493 add_dependencies(${name} ${LLVM_COMMON_DEPENDS})
494 # Add dependencies also to objlibs.
495 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user.
496 foreach(objlib ${objlibs})
497 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS})
502 macro(add_llvm_library name)
503 cmake_parse_arguments(ARG
508 if( BUILD_SHARED_LIBS )
509 llvm_add_library(${name} SHARED ${ARGN})
511 llvm_add_library(${name} ${ARGN})
513 # The gtest libraries should not be installed or exported as a target
514 if ("${name}" STREQUAL gtest OR "${name}" STREQUAL gtest_main)
518 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} )
521 if( EXCLUDE_FROM_ALL )
522 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
523 elseif(NOT _is_gtest)
524 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO")
525 if(ARG_SHARED OR BUILD_SHARED_LIBS)
527 set(install_type RUNTIME)
529 set(install_type LIBRARY)
532 set(install_type ARCHIVE)
535 install(TARGETS ${name}
537 ${install_type} DESTINATION lib${LLVM_LIBDIR_SUFFIX}
540 if (NOT CMAKE_CONFIGURATION_TYPES)
541 add_custom_target(install-${name}
543 COMMAND "${CMAKE_COMMAND}"
544 -DCMAKE_INSTALL_COMPONENT=${name}
545 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
548 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
550 set_target_properties(${name} PROPERTIES FOLDER "Libraries")
551 endmacro(add_llvm_library name)
553 macro(add_llvm_loadable_module name)
554 llvm_add_library(${name} MODULE ${ARGN})
555 if(NOT TARGET ${name})
556 # Add empty "phony" target
557 add_custom_target(${name})
559 if( EXCLUDE_FROM_ALL )
560 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
562 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
567 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}")
569 install(TARGETS ${name}
571 LIBRARY DESTINATION ${dlldir}
572 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
574 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
578 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules")
579 endmacro(add_llvm_loadable_module name)
582 macro(add_llvm_executable name)
583 cmake_parse_arguments(ARG "DISABLE_LLVM_LINK_LLVM_DYLIB" "" "" ${ARGN})
584 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} )
587 if(LLVM_ENABLE_OBJLIB)
588 # Generate an obj library for both targets.
589 set(obj_name "obj.${name}")
590 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
593 llvm_update_compile_flags(${obj_name})
594 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
596 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
599 add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
602 # Note: the dummy.cpp source file provides no definitions. However,
603 # it forces Xcode to properly link the static library.
604 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp")
607 if( EXCLUDE_FROM_ALL )
608 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES})
610 add_executable(${name} ${ALL_FILES})
613 if(DEFINED windows_resource_file)
614 set_windows_version_resource_properties(${name} ${windows_resource_file})
617 # $<TARGET_OBJECTS> doesn't require compile flags.
618 if(NOT LLVM_ENABLE_OBJLIB)
619 llvm_update_compile_flags(${name})
621 add_link_opts( ${name} )
623 # Do not add -Dname_EXPORTS to the command-line when building files in this
624 # target. Doing so is actively harmful for the modules build because it
625 # creates extra module variants, and not useful because we don't use these
627 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" )
629 if (LLVM_EXPORTED_SYMBOL_FILE)
630 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
631 endif(LLVM_EXPORTED_SYMBOL_FILE)
633 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
634 set(USE_SHARED USE_SHARED)
637 set(EXCLUDE_FROM_ALL OFF)
638 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
639 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} )
640 if( LLVM_COMMON_DEPENDS )
641 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
642 endif( LLVM_COMMON_DEPENDS )
643 endmacro(add_llvm_executable name)
645 function(export_executable_symbols target)
646 if (NOT MSVC) # MSVC's linker doesn't support exporting all symbols.
647 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1)
651 if(NOT LLVM_TOOLCHAIN_TOOLS)
652 set (LLVM_TOOLCHAIN_TOOLS
660 macro(add_llvm_tool name)
661 if( NOT LLVM_BUILD_TOOLS )
662 set(EXCLUDE_FROM_ALL ON)
664 add_llvm_executable(${name} ${ARGN})
666 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL)
667 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
668 if( LLVM_BUILD_TOOLS )
669 install(TARGETS ${name}
671 RUNTIME DESTINATION bin
674 if (NOT CMAKE_CONFIGURATION_TYPES)
675 add_custom_target(install-${name}
677 COMMAND "${CMAKE_COMMAND}"
678 -DCMAKE_INSTALL_COMPONENT=${name}
679 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
683 if( LLVM_BUILD_TOOLS )
684 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
686 set_target_properties(${name} PROPERTIES FOLDER "Tools")
687 endmacro(add_llvm_tool name)
690 macro(add_llvm_example name)
691 if( NOT LLVM_BUILD_EXAMPLES )
692 set(EXCLUDE_FROM_ALL ON)
694 add_llvm_executable(${name} ${ARGN})
695 if( LLVM_BUILD_EXAMPLES )
696 install(TARGETS ${name} RUNTIME DESTINATION examples)
698 set_target_properties(${name} PROPERTIES FOLDER "Examples")
699 endmacro(add_llvm_example name)
702 macro(add_llvm_utility name)
703 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN})
704 set_target_properties(${name} PROPERTIES FOLDER "Utils")
705 if( LLVM_INSTALL_UTILS )
706 install (TARGETS ${name}
707 RUNTIME DESTINATION bin
709 if (NOT CMAKE_CONFIGURATION_TYPES)
710 add_custom_target(install-${name}
712 COMMAND "${CMAKE_COMMAND}"
713 -DCMAKE_INSTALL_COMPONENT=${name}
714 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
717 endmacro(add_llvm_utility name)
720 macro(add_llvm_target target_name)
721 include_directories(BEFORE
722 ${CMAKE_CURRENT_BINARY_DIR}
723 ${CMAKE_CURRENT_SOURCE_DIR})
724 add_llvm_library(LLVM${target_name} ${ARGN})
725 set( CURRENT_LLVM_TARGET LLVM${target_name} )
726 endmacro(add_llvm_target)
728 function(canonicalize_tool_name name output)
729 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name})
730 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip})
731 string(TOUPPER ${nameUNDERSCORE} nameUPPER)
732 set(${output} "${nameUPPER}" PARENT_SCOPE)
733 endfunction(canonicalize_tool_name)
735 # Custom add_subdirectory wrapper
736 # Takes in a project name (i.e. LLVM), the the subdirectory name, and an
737 # and an optional path if it differs from the name.
738 macro(add_llvm_subdirectory project type name)
739 set(add_llvm_external_dir "${ARGN}")
740 if("${add_llvm_external_dir}" STREQUAL "")
741 set(add_llvm_external_dir ${name})
743 canonicalize_tool_name(${name} nameUPPER)
744 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt)
745 # Treat it as in-tree subproject.
746 option(${project}_${type}_${nameUPPER}_BUILD
747 "Whether to build ${name} as part of ${project}" On)
748 mark_as_advanced(${project}_${type}_${name}_BUILD)
749 if(${project}_${type}_${nameUPPER}_BUILD)
750 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir})
751 # Don't process it in add_llvm_implicit_projects().
752 set(${project}_${type}_${nameUPPER}_BUILD OFF)
755 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR
756 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}"
757 CACHE PATH "Path to ${name} source directory")
758 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT ON)
759 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR})
760 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF)
762 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF")
763 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF)
765 option(${project}_${type}_${nameUPPER}_BUILD
766 "Whether to build ${name} as part of LLVM"
767 ${${project}_${type}_${nameUPPER}_BUILD_DEFAULT})
768 if (${project}_${type}_${nameUPPER}_BUILD)
769 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR})
770 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir})
771 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "")
772 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}")
774 # FIXME: It'd be redundant.
775 set(${project}_${type}_${nameUPPER}_BUILD Off)
780 # Add external project that may want to be built as part of llvm such as Clang,
781 # lld, and Polly. This adds two options. One for the source directory of the
782 # project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to
783 # enable or disable building it with everything else.
784 # Additional parameter can be specified as the name of directory.
785 macro(add_llvm_external_project name)
786 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN})
789 macro(add_llvm_tool_subdirectory name)
790 add_llvm_external_project(${name})
791 endmacro(add_llvm_tool_subdirectory)
793 function(get_project_name_from_src_var var output)
794 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR"
795 MACHED_TOOL "${var}")
797 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE)
799 set(${output} PARENT_SCOPE)
803 function(create_subdirectory_options project type)
804 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*")
805 foreach(dir ${sub-dirs})
806 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt")
807 canonicalize_tool_name(${dir} name)
808 option(${project}_${type}_${name}_BUILD
809 "Whether to build ${name} as part of ${project}" On)
810 mark_as_advanced(${project}_${type}_${name}_BUILD)
813 endfunction(create_subdirectory_options)
815 function(create_llvm_tool_options)
816 create_subdirectory_options(LLVM TOOL)
817 endfunction(create_llvm_tool_options)
819 function(add_llvm_implicit_projects)
820 set(list_of_implicit_subdirs "")
821 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*")
822 foreach(dir ${sub-dirs})
823 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt")
824 canonicalize_tool_name(${dir} name)
825 if (LLVM_TOOL_${name}_BUILD)
826 get_filename_component(fn "${dir}" NAME)
827 list(APPEND list_of_implicit_subdirs "${fn}")
832 foreach(external_proj ${list_of_implicit_subdirs})
833 add_llvm_external_project("${external_proj}")
835 endfunction(add_llvm_implicit_projects)
837 # Generic support for adding a unittest.
838 function(add_unittest test_suite test_name)
839 if( NOT LLVM_BUILD_TESTS )
840 set(EXCLUDE_FROM_ALL ON)
843 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include)
844 if (NOT LLVM_ENABLE_THREADS)
845 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0)
848 if (SUPPORTS_NO_VARIADIC_MACROS_FLAG)
849 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros")
852 set(LLVM_REQUIRES_RTTI OFF)
854 add_llvm_executable(${test_name} ${ARGN})
855 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR})
856 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir})
857 target_link_libraries(${test_name}
860 LLVMSupport # gtest needs it for raw_ostream.
863 add_dependencies(${test_suite} ${test_name})
864 get_target_property(test_suite_folder ${test_suite} FOLDER)
865 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND")
866 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}")
870 function(llvm_add_go_executable binary pkgpath)
871 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN})
873 if(LLVM_BINDINGS MATCHES "go")
874 # FIXME: This should depend only on the libraries Go needs.
875 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS)
876 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX})
877 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}")
878 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}")
880 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
881 foreach(d ${include_dirs})
882 set(cppflags "${cppflags} -I${d}")
884 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}")
885 if (LLVM_LINK_LLVM_DYLIB)
886 set(linkmode "dylib")
888 set(linkmode "component-libs")
890 add_custom_command(OUTPUT ${binpath}
891 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "linkmode=${linkmode}"
892 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath}
893 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX}
894 ${llvmlibs} ${ARG_DEPENDS}
895 COMMENT "Building Go executable ${binary}"
898 add_custom_target(${binary} ALL DEPENDS ${binpath})
900 add_custom_target(${binary} DEPENDS ${binpath})
905 # This function provides an automatic way to 'configure'-like generate a file
906 # based on a set of common and custom variables, specifically targeting the
907 # variables needed for the 'lit.site.cfg' files. This function bundles the
908 # common variables that any Lit instance is likely to need, and custom
909 # variables can be passed in.
910 function(configure_lit_site_cfg input output)
911 foreach(c ${LLVM_TARGETS_TO_BUILD})
912 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}")
914 set(TARGETS_TO_BUILD ${TARGETS_BUILT})
916 set(SHLIBEXT "${LTDL_SHLIB_EXT}")
918 # Configuration-time: See Unit/lit.site.cfg.in
919 if (CMAKE_CFG_INTDIR STREQUAL ".")
920 set(LLVM_BUILD_MODE ".")
922 set(LLVM_BUILD_MODE "%(build_mode)s")
925 # They below might not be the build tree but provided binary tree.
926 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR})
927 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR})
928 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR})
929 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR})
931 # SHLIBDIR points the build tree.
932 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}")
934 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
935 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for
936 # plugins. We may rename it.
937 if(LLVM_ENABLE_PLUGINS)
938 set(ENABLE_SHARED "1")
940 set(ENABLE_SHARED "0")
943 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE)
944 set(ENABLE_ASSERTIONS "1")
946 set(ENABLE_ASSERTIONS "0")
949 set(HOST_OS ${CMAKE_SYSTEM_NAME})
950 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR})
952 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}")
953 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}")
954 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}")
956 configure_file(${input} ${output} @ONLY)
959 # A raw function to create a lit target. This is used to implement the testuite
960 # management functions.
961 function(add_lit_target target comment)
962 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
963 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}")
964 separate_arguments(LIT_ARGS)
965 if (NOT CMAKE_CFG_INTDIR STREQUAL ".")
966 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR})
968 if (LLVM_MAIN_SRC_DIR)
969 set (LIT_COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
971 find_program(LIT_COMMAND llvm-lit)
973 list(APPEND LIT_COMMAND ${LIT_ARGS})
974 foreach(param ${ARG_PARAMS})
975 list(APPEND LIT_COMMAND --param ${param})
977 if (ARG_UNPARSED_ARGUMENTS)
978 add_custom_target(${target}
979 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS}
981 ${cmake_3_2_USES_TERMINAL}
984 add_custom_target(${target}
985 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.")
986 message(STATUS "${target} does nothing.")
989 add_dependencies(${target} ${ARG_DEPENDS})
992 # Tests should be excluded from "Build Solution".
993 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON)
996 # A function to add a set of lit test suites to be driven through 'check-*' targets.
997 function(add_lit_testsuite target comment)
998 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
1000 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all.
1001 if(NOT EXCLUDE_FROM_ALL)
1002 # Register the testsuites, params and depends for the global check rule.
1003 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS})
1004 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS})
1005 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS})
1006 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS})
1009 # Produce a specific suffixed check rule.
1010 add_lit_target(${target} ${comment}
1011 ${ARG_UNPARSED_ARGUMENTS}
1012 PARAMS ${ARG_PARAMS}
1013 DEPENDS ${ARG_DEPENDS}
1018 function(add_lit_testsuites project directory)
1019 if (NOT CMAKE_CONFIGURATION_TYPES)
1020 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
1021 file(GLOB_RECURSE litCfg ${directory}/lit*.cfg)
1023 foreach(f ${litCfg})
1024 get_filename_component(dir ${f} DIRECTORY)
1025 set(lit_suites ${lit_suites} ${dir})
1027 list(REMOVE_DUPLICATES lit_suites)
1028 foreach(dir ${lit_suites})
1029 string(REPLACE ${directory} "" name_slash ${dir})
1031 string(REPLACE "/" "-" name_slash ${name_slash})
1032 string(REPLACE "\\" "-" name_dashes ${name_slash})
1033 string(TOLOWER "${project}${name_dashes}" name_var)
1034 add_lit_target("check-${name_var}" "Running lit suite ${dir}"
1036 PARAMS ${ARG_PARAMS}
1037 DEPENDS ${ARG_DEPENDS}
1045 function(llvm_install_symlink name dest)
1046 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN})
1047 foreach(path ${CMAKE_MODULE_PATH})
1048 if(EXISTS ${path}/LLVMInstallSymlink.cmake)
1049 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake)
1054 if(ARG_ALWAYS_GENERATE)
1055 set(component ${dest})
1057 set(component ${name})
1060 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX})
1061 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX})
1063 install(SCRIPT ${INSTALL_SYMLINK}
1064 CODE "install_symlink(${full_name} ${full_dest} bin)"
1065 COMPONENT ${component})
1067 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE)
1068 add_custom_target(install-${name}
1069 DEPENDS ${name} ${dest} install-${dest}
1070 COMMAND "${CMAKE_COMMAND}"
1071 -DCMAKE_INSTALL_COMPONENT=${name}
1072 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
1076 function(add_llvm_tool_symlink name dest)
1077 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN})
1079 set(LLVM_LINK_OR_COPY create_symlink)
1080 set(dest_binary "${dest}${CMAKE_EXECUTABLE_SUFFIX}")
1082 set(LLVM_LINK_OR_COPY copy)
1083 set(dest_binary "${LLVM_RUNTIME_OUTPUT_INTDIR}/${dest}${CMAKE_EXECUTABLE_SUFFIX}")
1086 set(output_path "${LLVM_RUNTIME_OUTPUT_INTDIR}/${name}${CMAKE_EXECUTABLE_SUFFIX}")
1088 if(ARG_ALWAYS_GENERATE)
1089 set_property(DIRECTORY APPEND PROPERTY
1090 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary})
1091 add_custom_command(TARGET ${dest} POST_BUILD
1092 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}")
1094 add_custom_command(OUTPUT ${output_path}
1095 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}"
1097 add_custom_target(${name} ALL DEPENDS ${output_path})
1098 set_target_properties(${name} PROPERTIES FOLDER Tools)
1100 # Make sure the parent tool is a toolchain tool, otherwise exclude this tool
1101 list(FIND LLVM_TOOLCHAIN_TOOLS ${dest} LLVM_IS_${dest}_TOOLCHAIN_TOOL)
1102 if (NOT LLVM_IS_${dest}_TOOLCHAIN_TOOL GREATER -1)
1103 set(LLVM_IS_${name}_TOOLCHAIN_TOOL ${LLVM_IS_${dest}_TOOLCHAIN_TOOL})
1105 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL)
1108 # LLVM_IS_${name}_TOOLCHAIN_TOOL will only be greater than -1 if both this
1109 # tool and its parent tool are in LLVM_TOOLCHAIN_TOOLS
1110 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
1111 if( LLVM_BUILD_TOOLS )
1112 llvm_install_symlink(${name} ${dest})