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 targets can use to
13 if(LLVM_REQUIRES_EH OR LLVM_ENABLE_EH)
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 list(APPEND LLVM_COMPILE_FLAGS "/EHsc")
22 if(LLVM_COMPILER_IS_GCC_COMPATIBLE)
23 list(APPEND LLVM_COMPILE_FLAGS "-fno-exceptions")
25 list(APPEND LLVM_COMPILE_DEFINITIONS _HAS_EXCEPTIONS=0)
26 list(APPEND LLVM_COMPILE_FLAGS "/EHs-c-")
30 # LLVM_REQUIRES_RTTI is an internal flag that individual
31 # targets can use to force RTTI
32 set(LLVM_CONFIG_HAS_RTTI YES CACHE INTERNAL "")
33 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI))
34 set(LLVM_CONFIG_HAS_RTTI NO CACHE INTERNAL "")
35 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0)
36 if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
37 list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti")
39 list(APPEND LLVM_COMPILE_FLAGS "/GR-")
42 list(APPEND LLVM_COMPILE_FLAGS "/GR")
46 # - LLVM_COMPILE_FLAGS is list.
47 # - PROPERTY COMPILE_FLAGS is string.
48 string(REPLACE ";" " " target_compile_flags " ${LLVM_COMPILE_FLAGS}")
51 foreach(fn ${sources})
52 get_filename_component(suf ${fn} EXT)
53 if("${suf}" STREQUAL ".cpp")
54 set_property(SOURCE ${fn} APPEND_STRING PROPERTY
55 COMPILE_FLAGS "${target_compile_flags}")
59 # Update target props, since all sources are C++.
60 set_property(TARGET ${name} APPEND_STRING PROPERTY
61 COMPILE_FLAGS "${target_compile_flags}")
64 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS})
67 function(add_llvm_symbol_exports target_name export_file)
68 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
69 set(native_export_file "${target_name}.exports")
70 add_custom_command(OUTPUT ${native_export_file}
71 COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file}
72 DEPENDS ${export_file}
74 COMMENT "Creating export file for ${target_name}")
75 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
76 LINK_FLAGS " -Wl,-exported_symbols_list,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
77 elseif(${CMAKE_SYSTEM_NAME} MATCHES "AIX")
78 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
79 LINK_FLAGS " -Wl,-bE:${export_file}")
80 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT)
81 # Gold and BFD ld require a version script rather than a plain list.
82 set(native_export_file "${target_name}.exports")
83 # FIXME: Don't write the "local:" line on OpenBSD.
84 # in the export file, also add a linker script to version LLVM symbols (form: LLVM_N.M)
85 add_custom_command(OUTPUT ${native_export_file}
86 COMMAND echo "LLVM_${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR} {" > ${native_export_file}
87 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || :
88 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file}
89 COMMAND echo " local: *;" >> ${native_export_file}
90 COMMAND echo "};" >> ${native_export_file}
91 DEPENDS ${export_file}
93 COMMENT "Creating export file for ${target_name}")
94 if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
95 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
96 LINK_FLAGS " -Wl,-M,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
98 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
99 LINK_FLAGS " -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
102 set(native_export_file "${target_name}.def")
104 add_custom_command(OUTPUT ${native_export_file}
105 COMMAND ${PYTHON_EXECUTABLE} -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))"
106 < ${export_file} > ${native_export_file}
107 DEPENDS ${export_file}
109 COMMENT "Creating export file for ${target_name}")
110 set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
112 set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"")
114 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
115 LINK_FLAGS " ${export_file_linker_flag}")
118 add_custom_target(${target_name}_exports DEPENDS ${native_export_file})
119 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc")
121 get_property(srcs TARGET ${target_name} PROPERTY SOURCES)
123 get_filename_component(extension ${src} EXT)
124 if(extension STREQUAL ".cpp")
125 set(first_source_file ${src})
130 # Force re-linking when the exports file changes. Actually, it
131 # forces recompilation of the source file. The LINK_DEPENDS target
132 # property only works for makefile-based generators.
133 # FIXME: This is not safe because this will create the same target
134 # ${native_export_file} in several different file:
135 # - One where we emitted ${target_name}_exports
136 # - One where we emitted the build command for the following object.
137 # set_property(SOURCE ${first_source_file} APPEND PROPERTY
138 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file})
140 set_property(DIRECTORY APPEND
141 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file})
143 add_dependencies(${target_name} ${target_name}_exports)
145 # Add dependency to *_exports later -- CMake issue 14747
146 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports)
147 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE)
148 endfunction(add_llvm_symbol_exports)
150 if(NOT WIN32 AND NOT APPLE)
152 COMMAND ${CMAKE_C_COMPILER} -Wl,--version
153 OUTPUT_VARIABLE stdout
156 if("${stdout}" MATCHES "GNU gold")
157 set(LLVM_LINKER_IS_GOLD ON)
161 function(add_link_opts target_name)
162 # Don't use linker optimizations in debug builds since it slows down the
163 # linker in a context where the optimizations are not important.
164 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
166 # Pass -O3 to the linker. This enabled different optimizations on different
168 if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin|SunOS|AIX" OR WIN32))
169 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
170 LINK_FLAGS " -Wl,-O3")
173 if(LLVM_LINKER_IS_GOLD)
174 # With gold gc-sections is always safe.
175 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
176 LINK_FLAGS " -Wl,--gc-sections")
177 # Note that there is a bug with -Wl,--icf=safe so it is not safe
178 # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704.
181 if(NOT LLVM_NO_DEAD_STRIP)
182 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
183 # ld64's implementation of -dead_strip breaks tools that use plugins.
184 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
185 LINK_FLAGS " -Wl,-dead_strip")
186 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
187 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
188 LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections")
189 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD)
190 # Object files are compiled with -ffunction-data-sections.
191 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks
192 # tools that use plugins. Always pass --gc-sections once we require
194 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
195 LINK_FLAGS " -Wl,--gc-sections")
199 endfunction(add_link_opts)
201 # Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}.
202 # Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more,
203 # or a certain builder, for eaxample, msbuild.exe, would be confused.
204 function(set_output_directory target)
205 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR" "" ${ARGN})
207 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY.
208 # It affects output of add_library(MODULE).
211 set(module_dir ${ARG_BINARY_DIR})
213 set(module_dir ${ARG_LIBRARY_DIR})
215 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".")
216 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES})
217 string(TOUPPER "${build_mode}" CONFIG_SUFFIX)
219 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR})
220 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi})
223 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR})
224 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li})
227 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir})
228 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi})
233 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR})
236 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR})
239 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir})
244 # If on Windows and building with MSVC, add the resource script containing the
245 # VERSIONINFO data to the project. This embeds version resource information
246 # into the output .exe or .dll.
247 # TODO: Enable for MinGW Windows builds too.
249 function(add_windows_version_resource_file OUT_VAR)
252 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc)
253 if(EXISTS ${resource_file})
254 set(sources ${sources} ${resource_file})
255 source_group("Resource Files" ${resource_file})
256 set(windows_resource_file ${resource_file} PARENT_SCOPE)
260 set(${OUT_VAR} ${sources} PARENT_SCOPE)
261 endfunction(add_windows_version_resource_file)
263 # set_windows_version_resource_properties(name resource_file...
265 # Optional major version number (defaults to LLVM_VERSION_MAJOR)
267 # Optional minor version number (defaults to LLVM_VERSION_MINOR)
268 # VERSION_PATCHLEVEL int
269 # Optional patchlevel version number (defaults to LLVM_VERSION_PATCH)
271 # Optional version string (defaults to PACKAGE_VERSION)
273 # Optional product name string (defaults to "LLVM")
275 function(set_windows_version_resource_properties name resource_file)
276 cmake_parse_arguments(ARG
278 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME"
282 if (NOT DEFINED ARG_VERSION_MAJOR)
283 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
286 if (NOT DEFINED ARG_VERSION_MINOR)
287 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR})
290 if (NOT DEFINED ARG_VERSION_PATCHLEVEL)
291 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH})
294 if (NOT DEFINED ARG_VERSION_STRING)
295 set(ARG_VERSION_STRING ${PACKAGE_VERSION})
298 if (NOT DEFINED ARG_PRODUCT_NAME)
299 set(ARG_PRODUCT_NAME "LLVM")
302 set_property(SOURCE ${resource_file}
303 PROPERTY COMPILE_FLAGS /nologo)
304 set_property(SOURCE ${resource_file}
305 PROPERTY COMPILE_DEFINITIONS
306 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}"
307 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}"
308 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}"
309 "RC_VERSION_FIELD_4=0"
310 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\""
311 "RC_INTERNAL_NAME=\"${name}\""
312 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\""
313 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"")
314 endfunction(set_windows_version_resource_properties)
316 # llvm_add_library(name sources...
318 # STATIC by default w/o BUILD_SHARED_LIBS.
319 # SHARED by default w/ BUILD_SHARED_LIBS.
321 # Also create an OBJECT library target. Default if STATIC && SHARED.
323 # Target ${name} might not be created on unsupported platforms.
324 # Check with "if(TARGET ${name})".
325 # DISABLE_LLVM_LINK_LLVM_DYLIB
326 # Do not link this library to libLLVM, even if
327 # LLVM_LINK_LLVM_DYLIB is enabled.
329 # Corresponds to OUTPUT_NAME in target properties.
331 # Same semantics as add_dependencies().
332 # LINK_COMPONENTS components...
333 # Same as the variable LLVM_LINK_COMPONENTS.
334 # LINK_LIBS lib_targets...
335 # Same semantics as target_link_libraries().
337 # May specify header files for IDE generators.
339 # Should set SONAME link flags and create symlinks
341 # The tool (i.e. cmake target) that this plugin will link against
343 function(llvm_add_library name)
344 cmake_parse_arguments(ARG
345 "MODULE;SHARED;STATIC;OBJECT;DISABLE_LLVM_LINK_LLVM_DYLIB;SONAME"
346 "OUTPUT_NAME;PLUGIN_TOOL"
347 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS"
349 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS})
350 if(ARG_ADDITIONAL_HEADERS)
351 # Pass through ADDITIONAL_HEADERS.
352 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS})
355 set(ALL_FILES ${ARG_OBJLIBS})
357 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS})
361 if(ARG_SHARED OR ARG_STATIC)
362 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.")
364 # Plugins that link against a tool are allowed even when plugins in general are not
365 if(NOT LLVM_ENABLE_PLUGINS AND NOT (ARG_PLUGIN_TOOL AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS))
366 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.")
371 message(WARNING "PLUGIN_TOOL without MODULE doesn't make sense.")
373 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC)
382 if((ARG_SHARED AND ARG_STATIC) OR ARG_OBJECT)
383 # Generate an obj library for both targets.
384 set(obj_name "obj.${name}")
385 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
388 llvm_update_compile_flags(${obj_name})
389 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
391 # Do add_dependencies(obj) later due to CMake issue 14747.
392 list(APPEND objlibs ${obj_name})
394 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
397 if(ARG_SHARED AND ARG_STATIC)
399 set(name_static "${name}_static")
401 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}")
403 # DEPENDS has been appended to LLVM_COMMON_LIBS.
404 llvm_add_library(${name_static} STATIC
406 OBJLIBS ${ALL_FILES} # objlib
407 LINK_LIBS ${ARG_LINK_LIBS}
408 LINK_COMPONENTS ${ARG_LINK_COMPONENTS}
410 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY.
415 add_library(${name} MODULE ${ALL_FILES})
416 llvm_setup_rpath(${name})
418 add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
419 add_library(${name} SHARED ${ALL_FILES})
421 llvm_setup_rpath(${name})
424 add_library(${name} STATIC ${ALL_FILES})
427 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS})
429 if(DEFINED windows_resource_file)
430 set_windows_version_resource_properties(${name} ${windows_resource_file})
431 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE)
434 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
435 # $<TARGET_OBJECTS> doesn't require compile flags.
437 llvm_update_compile_flags(${name})
439 add_link_opts( ${name} )
441 set_target_properties(${name}
443 OUTPUT_NAME ${ARG_OUTPUT_NAME}
448 set_target_properties(${name} PROPERTIES
450 SUFFIX ${LLVM_PLUGIN_EXT}
456 set_target_properties(${name} PROPERTIES
461 # Set SOVERSION on shared libraries that lack explicit SONAME
462 # specifier, on *nix systems that are not Darwin.
463 if(UNIX AND NOT APPLE AND NOT ARG_SONAME)
464 set_target_properties(${name}
466 # Since 4.0.0, the ABI version is indicated by the major version
467 SOVERSION ${LLVM_VERSION_MAJOR}
468 VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX})
472 if(ARG_MODULE OR ARG_SHARED)
473 # Do not add -Dname_EXPORTS to the command-line when building files in this
474 # target. Doing so is actively harmful for the modules build because it
475 # creates extra module variants, and not useful because we don't use these
477 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" )
479 if (LLVM_EXPORTED_SYMBOL_FILE)
480 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
484 if(ARG_SHARED AND UNIX)
485 if(NOT APPLE AND ARG_SONAME)
486 get_target_property(output_name ${name} OUTPUT_NAME)
487 if(${output_name} STREQUAL "output_name-NOTFOUND")
488 set(output_name ${name})
490 set(library_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}${LLVM_VERSION_SUFFIX})
491 set(api_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX})
492 set_target_properties(${name} PROPERTIES OUTPUT_NAME ${library_name})
493 llvm_install_library_symlink(${api_name} ${library_name} SHARED
496 llvm_install_library_symlink(${output_name} ${library_name} SHARED
502 if(ARG_MODULE AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS AND ARG_PLUGIN_TOOL AND (WIN32 OR CYGWIN))
503 # On DLL platforms symbols are imported from the tool by linking against it.
504 set(llvm_libs ${ARG_PLUGIN_TOOL})
505 elseif (DEFINED LLVM_LINK_COMPONENTS OR DEFINED ARG_LINK_COMPONENTS)
506 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
509 llvm_map_components_to_libnames(llvm_libs
510 ${ARG_LINK_COMPONENTS}
511 ${LLVM_LINK_COMPONENTS}
515 # Components have not been defined explicitly in CMake, so add the
516 # dependency information for this library as defined by LLVMBuild.
518 # It would be nice to verify that we have the dependencies for this library
519 # name, but using get_property(... SET) doesn't suffice to determine if a
520 # property has been set to an empty value.
521 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name})
525 set(libtype INTERFACE)
527 # We can use PRIVATE since SO knows its dependent libs.
531 target_link_libraries(${name} ${libtype}
537 if(LLVM_COMMON_DEPENDS)
538 add_dependencies(${name} ${LLVM_COMMON_DEPENDS})
539 # Add dependencies also to objlibs.
540 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user.
541 foreach(objlib ${objlibs})
542 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS})
546 if(ARG_SHARED OR ARG_MODULE)
547 llvm_externalize_debuginfo(${name})
551 macro(add_llvm_library name)
552 cmake_parse_arguments(ARG
553 "SHARED;BUILDTREE_ONLY"
557 if( BUILD_SHARED_LIBS OR ARG_SHARED )
558 llvm_add_library(${name} SHARED ${ARG_UNPARSED_ARGUMENTS})
560 llvm_add_library(${name} ${ARG_UNPARSED_ARGUMENTS})
563 # Libraries that are meant to only be exposed via the build tree only are
564 # never installed and are only exported as a target in the special build tree
566 if (NOT ARG_BUILDTREE_ONLY)
567 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} )
570 if( EXCLUDE_FROM_ALL )
571 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
572 elseif(ARG_BUILDTREE_ONLY)
573 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS_BUILDTREE_ONLY ${name})
575 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO" OR
576 (LLVM_LINK_LLVM_DYLIB AND ${name} STREQUAL "LLVM"))
577 set(install_dir lib${LLVM_LIBDIR_SUFFIX})
578 if(ARG_SHARED OR BUILD_SHARED_LIBS)
579 if(WIN32 OR CYGWIN OR MINGW)
580 set(install_type RUNTIME)
583 set(install_type LIBRARY)
586 set(install_type ARCHIVE)
589 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR
590 NOT LLVM_DISTRIBUTION_COMPONENTS)
591 set(export_to_llvmexports EXPORT LLVMExports)
592 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True)
595 install(TARGETS ${name}
596 ${export_to_llvmexports}
597 ${install_type} DESTINATION ${install_dir}
600 if (NOT CMAKE_CONFIGURATION_TYPES)
601 add_custom_target(install-${name}
603 COMMAND "${CMAKE_COMMAND}"
604 -DCMAKE_INSTALL_COMPONENT=${name}
605 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
608 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
610 set_target_properties(${name} PROPERTIES FOLDER "Libraries")
611 endmacro(add_llvm_library name)
613 macro(add_llvm_loadable_module name)
614 llvm_add_library(${name} MODULE ${ARGN})
615 if(NOT TARGET ${name})
616 # Add empty "phony" target
617 add_custom_target(${name})
619 if( EXCLUDE_FROM_ALL )
620 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
622 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
627 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}")
630 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR
631 NOT LLVM_DISTRIBUTION_COMPONENTS)
632 set(export_to_llvmexports EXPORT LLVMExports)
633 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True)
636 install(TARGETS ${name}
637 ${export_to_llvmexports}
638 LIBRARY DESTINATION ${dlldir}
639 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
641 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
645 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules")
646 endmacro(add_llvm_loadable_module name)
649 macro(add_llvm_executable name)
650 cmake_parse_arguments(ARG "DISABLE_LLVM_LINK_LLVM_DYLIB;IGNORE_EXTERNALIZE_DEBUGINFO;NO_INSTALL_RPATH" "" "DEPENDS" ${ARGN})
651 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} )
653 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS})
656 if(LLVM_ENABLE_OBJLIB)
657 # Generate an obj library for both targets.
658 set(obj_name "obj.${name}")
659 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
662 llvm_update_compile_flags(${obj_name})
663 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
665 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
668 add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
671 # Note: the dummy.cpp source file provides no definitions. However,
672 # it forces Xcode to properly link the static library.
673 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp")
676 if( EXCLUDE_FROM_ALL )
677 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES})
679 add_executable(${name} ${ALL_FILES})
682 setup_dependency_debugging(${name} ${LLVM_COMMON_DEPENDS})
684 if(NOT ARG_NO_INSTALL_RPATH)
685 llvm_setup_rpath(${name})
688 if(DEFINED windows_resource_file)
689 set_windows_version_resource_properties(${name} ${windows_resource_file})
692 # $<TARGET_OBJECTS> doesn't require compile flags.
693 if(NOT LLVM_ENABLE_OBJLIB)
694 llvm_update_compile_flags(${name})
696 add_link_opts( ${name} )
698 # Do not add -Dname_EXPORTS to the command-line when building files in this
699 # target. Doing so is actively harmful for the modules build because it
700 # creates extra module variants, and not useful because we don't use these
702 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" )
704 if (LLVM_EXPORTED_SYMBOL_FILE)
705 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
706 endif(LLVM_EXPORTED_SYMBOL_FILE)
708 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
709 set(USE_SHARED USE_SHARED)
712 set(EXCLUDE_FROM_ALL OFF)
713 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
714 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} )
715 if( LLVM_COMMON_DEPENDS )
716 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
717 endif( LLVM_COMMON_DEPENDS )
719 if(NOT ARG_IGNORE_EXTERNALIZE_DEBUGINFO)
720 llvm_externalize_debuginfo(${name})
722 if (LLVM_PTHREAD_LIB)
723 # libpthreads overrides some standard library symbols, so main
724 # executable must be linked with it in order to provide consistent
725 # API for all shared libaries loaded by this executable.
726 target_link_libraries(${name} ${LLVM_PTHREAD_LIB})
728 endmacro(add_llvm_executable name)
730 function(export_executable_symbols target)
731 if (LLVM_EXPORTED_SYMBOL_FILE)
732 # The symbol file should contain the symbols we want the executable to
734 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1)
735 elseif (LLVM_EXPORT_SYMBOLS_FOR_PLUGINS)
736 # Extract the symbols to export from the static libraries that the
737 # executable links against.
738 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1)
739 set(exported_symbol_file ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${target}.symbols)
740 # We need to consider not just the direct link dependencies, but also the
741 # transitive link dependencies. Do this by starting with the set of direct
742 # dependencies, then the dependencies of those dependencies, and so on.
743 get_target_property(new_libs ${target} LINK_LIBRARIES)
744 set(link_libs ${new_libs})
745 while(NOT "${new_libs}" STREQUAL "")
746 foreach(lib ${new_libs})
748 get_target_property(lib_type ${lib} TYPE)
749 if("${lib_type}" STREQUAL "STATIC_LIBRARY")
750 list(APPEND static_libs ${lib})
752 list(APPEND other_libs ${lib})
754 get_target_property(transitive_libs ${lib} INTERFACE_LINK_LIBRARIES)
755 foreach(transitive_lib ${transitive_libs})
756 list(FIND link_libs ${transitive_lib} idx)
757 if(TARGET ${transitive_lib} AND idx EQUAL -1)
758 list(APPEND newer_libs ${transitive_lib})
759 list(APPEND link_libs ${transitive_lib})
761 endforeach(transitive_lib)
764 set(new_libs ${newer_libs})
768 set(mangling microsoft)
770 set(mangling itanium)
772 add_custom_command(OUTPUT ${exported_symbol_file}
773 COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py --mangling=${mangling} ${static_libs} -o ${exported_symbol_file}
774 WORKING_DIRECTORY ${LLVM_LIBRARY_OUTPUT_INTDIR}
775 DEPENDS ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py ${static_libs}
777 COMMENT "Generating export list for ${target}")
778 add_llvm_symbol_exports( ${target} ${exported_symbol_file} )
779 # If something links against this executable then we want a
780 # transitive link against only the libraries whose symbols
781 # we aren't exporting.
782 set_target_properties(${target} PROPERTIES INTERFACE_LINK_LIBRARIES "${other_libs}")
783 # The default import library suffix that cmake uses for cygwin/mingw is
784 # ".dll.a", but for clang.exe that causes a collision with libclang.dll,
785 # where the import libraries of both get named libclang.dll.a. Use a suffix
786 # of ".exe.a" to avoid this.
788 set_target_properties(${target} PROPERTIES IMPORT_SUFFIX ".exe.a")
790 elseif(NOT (WIN32 OR CYGWIN))
791 # On Windows auto-exporting everything doesn't work because of the limit on
792 # the size of the exported symbol table, but on other platforms we can do
793 # it without any trouble.
794 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1)
796 set_property(TARGET ${target} APPEND_STRING PROPERTY
797 LINK_FLAGS " -rdynamic")
802 if(NOT LLVM_TOOLCHAIN_TOOLS)
803 set (LLVM_TOOLCHAIN_TOOLS
811 macro(add_llvm_tool name)
812 if( NOT LLVM_BUILD_TOOLS )
813 set(EXCLUDE_FROM_ALL ON)
815 add_llvm_executable(${name} ${ARGN})
817 if ( ${name} IN_LIST LLVM_TOOLCHAIN_TOOLS OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
818 if( LLVM_BUILD_TOOLS )
819 if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR
820 NOT LLVM_DISTRIBUTION_COMPONENTS)
821 set(export_to_llvmexports EXPORT LLVMExports)
822 set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True)
825 install(TARGETS ${name}
826 ${export_to_llvmexports}
827 RUNTIME DESTINATION ${LLVM_TOOLS_INSTALL_DIR}
830 if (NOT CMAKE_CONFIGURATION_TYPES)
831 add_custom_target(install-${name}
833 COMMAND "${CMAKE_COMMAND}"
834 -DCMAKE_INSTALL_COMPONENT=${name}
835 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
839 if( LLVM_BUILD_TOOLS )
840 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
842 set_target_properties(${name} PROPERTIES FOLDER "Tools")
843 endmacro(add_llvm_tool name)
846 macro(add_llvm_example name)
847 if( NOT LLVM_BUILD_EXAMPLES )
848 set(EXCLUDE_FROM_ALL ON)
850 add_llvm_executable(${name} ${ARGN})
851 if( LLVM_BUILD_EXAMPLES )
852 install(TARGETS ${name} RUNTIME DESTINATION examples)
854 set_target_properties(${name} PROPERTIES FOLDER "Examples")
855 endmacro(add_llvm_example name)
857 # This is a macro that is used to create targets for executables that are needed
858 # for development, but that are not intended to be installed by default.
859 macro(add_llvm_utility name)
860 if ( NOT LLVM_BUILD_UTILS )
861 set(EXCLUDE_FROM_ALL ON)
864 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN})
865 set_target_properties(${name} PROPERTIES FOLDER "Utils")
866 if( LLVM_INSTALL_UTILS AND LLVM_BUILD_UTILS )
867 install (TARGETS ${name}
868 RUNTIME DESTINATION bin
870 if (NOT CMAKE_CONFIGURATION_TYPES)
871 add_custom_target(install-${name}
873 COMMAND "${CMAKE_COMMAND}"
874 -DCMAKE_INSTALL_COMPONENT=${name}
875 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
878 endmacro(add_llvm_utility name)
881 macro(add_llvm_target target_name)
882 include_directories(BEFORE
883 ${CMAKE_CURRENT_BINARY_DIR}
884 ${CMAKE_CURRENT_SOURCE_DIR})
885 add_llvm_library(LLVM${target_name} ${ARGN})
886 set( CURRENT_LLVM_TARGET LLVM${target_name} )
887 endmacro(add_llvm_target)
889 function(canonicalize_tool_name name output)
890 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name})
891 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip})
892 string(TOUPPER ${nameUNDERSCORE} nameUPPER)
893 set(${output} "${nameUPPER}" PARENT_SCOPE)
894 endfunction(canonicalize_tool_name)
896 # Custom add_subdirectory wrapper
897 # Takes in a project name (i.e. LLVM), the subdirectory name, and an optional
898 # path if it differs from the name.
899 macro(add_llvm_subdirectory project type name)
900 set(add_llvm_external_dir "${ARGN}")
901 if("${add_llvm_external_dir}" STREQUAL "")
902 set(add_llvm_external_dir ${name})
904 canonicalize_tool_name(${name} nameUPPER)
905 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt)
906 # Treat it as in-tree subproject.
907 option(${project}_${type}_${nameUPPER}_BUILD
908 "Whether to build ${name} as part of ${project}" On)
909 mark_as_advanced(${project}_${type}_${name}_BUILD)
910 if(${project}_${type}_${nameUPPER}_BUILD)
911 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir})
912 # Don't process it in add_llvm_implicit_projects().
913 set(${project}_${type}_${nameUPPER}_BUILD OFF)
916 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR
917 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}"
918 CACHE PATH "Path to ${name} source directory")
919 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT ON)
920 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR})
921 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF)
923 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF")
924 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF)
926 option(${project}_${type}_${nameUPPER}_BUILD
927 "Whether to build ${name} as part of LLVM"
928 ${${project}_${type}_${nameUPPER}_BUILD_DEFAULT})
929 if (${project}_${type}_${nameUPPER}_BUILD)
930 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR})
931 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir})
932 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "")
933 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}")
935 # FIXME: It'd be redundant.
936 set(${project}_${type}_${nameUPPER}_BUILD Off)
941 # Add external project that may want to be built as part of llvm such as Clang,
942 # lld, and Polly. This adds two options. One for the source directory of the
943 # project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to
944 # enable or disable building it with everything else.
945 # Additional parameter can be specified as the name of directory.
946 macro(add_llvm_external_project name)
947 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN})
950 macro(add_llvm_tool_subdirectory name)
951 add_llvm_external_project(${name})
952 endmacro(add_llvm_tool_subdirectory)
954 function(get_project_name_from_src_var var output)
955 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR"
956 MACHED_TOOL "${var}")
958 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE)
960 set(${output} PARENT_SCOPE)
964 function(create_subdirectory_options project type)
965 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*")
966 foreach(dir ${sub-dirs})
967 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt")
968 canonicalize_tool_name(${dir} name)
969 option(${project}_${type}_${name}_BUILD
970 "Whether to build ${name} as part of ${project}" On)
971 mark_as_advanced(${project}_${type}_${name}_BUILD)
974 endfunction(create_subdirectory_options)
976 function(create_llvm_tool_options)
977 create_subdirectory_options(LLVM TOOL)
978 endfunction(create_llvm_tool_options)
980 function(llvm_add_implicit_projects project)
981 set(list_of_implicit_subdirs "")
982 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*")
983 foreach(dir ${sub-dirs})
984 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt")
985 canonicalize_tool_name(${dir} name)
986 if (${project}_TOOL_${name}_BUILD)
987 get_filename_component(fn "${dir}" NAME)
988 list(APPEND list_of_implicit_subdirs "${fn}")
993 foreach(external_proj ${list_of_implicit_subdirs})
994 add_llvm_subdirectory(${project} TOOL "${external_proj}" ${ARGN})
996 endfunction(llvm_add_implicit_projects)
998 function(add_llvm_implicit_projects)
999 llvm_add_implicit_projects(LLVM)
1000 endfunction(add_llvm_implicit_projects)
1002 # Generic support for adding a unittest.
1003 function(add_unittest test_suite test_name)
1004 if( NOT LLVM_BUILD_TESTS )
1005 set(EXCLUDE_FROM_ALL ON)
1008 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include)
1009 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googlemock/include)
1010 if (NOT LLVM_ENABLE_THREADS)
1011 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0)
1014 if (SUPPORTS_VARIADIC_MACROS_FLAG)
1015 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros")
1017 # Some parts of gtest rely on this GNU extension, don't warn on it.
1018 if(SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG)
1019 list(APPEND LLVM_COMPILE_FLAGS "-Wno-gnu-zero-variadic-macro-arguments")
1022 set(LLVM_REQUIRES_RTTI OFF)
1024 list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream
1025 add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN})
1026 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR})
1027 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir})
1028 # libpthreads overrides some standard library symbols, so main
1029 # executable must be linked with it in order to provide consistent
1030 # API for all shared libaries loaded by this executable.
1031 target_link_libraries(${test_name} gtest_main gtest ${LLVM_PTHREAD_LIB})
1033 add_dependencies(${test_suite} ${test_name})
1034 get_target_property(test_suite_folder ${test_suite} FOLDER)
1035 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND")
1036 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}")
1040 function(llvm_add_go_executable binary pkgpath)
1041 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN})
1043 if(LLVM_BINDINGS MATCHES "go")
1044 # FIXME: This should depend only on the libraries Go needs.
1045 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS)
1046 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX})
1047 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}")
1048 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}")
1050 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
1051 foreach(d ${include_dirs})
1052 set(cppflags "${cppflags} -I${d}")
1054 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}")
1055 add_custom_command(OUTPUT ${binpath}
1056 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "packages=${LLVM_GO_PACKAGES}"
1057 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath}
1058 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX}
1059 ${llvmlibs} ${ARG_DEPENDS}
1060 COMMENT "Building Go executable ${binary}"
1063 add_custom_target(${binary} ALL DEPENDS ${binpath})
1065 add_custom_target(${binary} DEPENDS ${binpath})
1070 # This function canonicalize the CMake variables passed by names
1071 # from CMake boolean to 0/1 suitable for passing into Python or C++,
1073 function(llvm_canonicalize_cmake_booleans)
1074 foreach(var ${ARGN})
1076 set(${var} 1 PARENT_SCOPE)
1078 set(${var} 0 PARENT_SCOPE)
1081 endfunction(llvm_canonicalize_cmake_booleans)
1083 # This function provides an automatic way to 'configure'-like generate a file
1084 # based on a set of common and custom variables, specifically targeting the
1085 # variables needed for the 'lit.site.cfg' files. This function bundles the
1086 # common variables that any Lit instance is likely to need, and custom
1087 # variables can be passed in.
1088 function(configure_lit_site_cfg input output)
1089 foreach(c ${LLVM_TARGETS_TO_BUILD})
1090 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}")
1092 set(TARGETS_TO_BUILD ${TARGETS_BUILT})
1094 set(SHLIBEXT "${LTDL_SHLIB_EXT}")
1096 # Configuration-time: See Unit/lit.site.cfg.in
1097 if (CMAKE_CFG_INTDIR STREQUAL ".")
1098 set(LLVM_BUILD_MODE ".")
1100 set(LLVM_BUILD_MODE "%(build_mode)s")
1103 # They below might not be the build tree but provided binary tree.
1104 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR})
1105 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR})
1106 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR})
1107 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR})
1109 # SHLIBDIR points the build tree.
1110 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}")
1112 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
1113 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for
1114 # plugins. We may rename it.
1115 if(LLVM_ENABLE_PLUGINS)
1116 set(ENABLE_SHARED "1")
1118 set(ENABLE_SHARED "0")
1121 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE)
1122 set(ENABLE_ASSERTIONS "1")
1124 set(ENABLE_ASSERTIONS "0")
1127 set(HOST_OS ${CMAKE_SYSTEM_NAME})
1128 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR})
1130 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}")
1131 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}")
1132 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}")
1134 set(LIT_SITE_CFG_IN_HEADER "## Autogenerated from ${input}\n## Do not edit!")
1136 configure_file(${input} ${output} @ONLY)
1139 # A raw function to create a lit target. This is used to implement the testuite
1140 # management functions.
1141 function(add_lit_target target comment)
1142 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
1143 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}")
1144 separate_arguments(LIT_ARGS)
1145 if (NOT CMAKE_CFG_INTDIR STREQUAL ".")
1146 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR})
1148 if (EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
1149 # reset cache after erraneous r283029
1150 # TODO: remove this once all buildbots run
1151 if (LIT_COMMAND STREQUAL "${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py")
1152 unset(LIT_COMMAND CACHE)
1154 set (LIT_COMMAND "${PYTHON_EXECUTABLE};${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py"
1155 CACHE STRING "Command used to spawn llvm-lit")
1157 find_program(LIT_COMMAND NAMES llvm-lit lit.py lit)
1159 list(APPEND LIT_COMMAND ${LIT_ARGS})
1160 foreach(param ${ARG_PARAMS})
1161 list(APPEND LIT_COMMAND --param ${param})
1163 if (ARG_UNPARSED_ARGUMENTS)
1164 add_custom_target(${target}
1165 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS}
1166 COMMENT "${comment}"
1170 add_custom_target(${target}
1171 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.")
1172 message(STATUS "${target} does nothing.")
1175 add_dependencies(${target} ${ARG_DEPENDS})
1178 # Tests should be excluded from "Build Solution".
1179 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON)
1182 # A function to add a set of lit test suites to be driven through 'check-*' targets.
1183 function(add_lit_testsuite target comment)
1184 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
1186 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all.
1187 if(NOT EXCLUDE_FROM_ALL)
1188 # Register the testsuites, params and depends for the global check rule.
1189 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS})
1190 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS})
1191 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS})
1192 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS})
1195 # Produce a specific suffixed check rule.
1196 add_lit_target(${target} ${comment}
1197 ${ARG_UNPARSED_ARGUMENTS}
1198 PARAMS ${ARG_PARAMS}
1199 DEPENDS ${ARG_DEPENDS}
1204 function(add_lit_testsuites project directory)
1205 if (NOT CMAKE_CONFIGURATION_TYPES)
1206 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
1208 # Search recursively for test directories by assuming anything not
1209 # in a directory called Inputs contains tests.
1210 file(GLOB_RECURSE to_process LIST_DIRECTORIES true ${directory}/*)
1211 foreach(lit_suite ${to_process})
1212 if(NOT IS_DIRECTORY ${lit_suite})
1215 string(FIND ${lit_suite} Inputs is_inputs)
1216 string(FIND ${lit_suite} Output is_output)
1217 if (NOT (is_inputs EQUAL -1 AND is_output EQUAL -1))
1221 # Create a check- target for the directory.
1222 string(REPLACE ${directory} "" name_slash ${lit_suite})
1224 string(REPLACE "/" "-" name_slash ${name_slash})
1225 string(REPLACE "\\" "-" name_dashes ${name_slash})
1226 string(TOLOWER "${project}${name_dashes}" name_var)
1227 add_lit_target("check-${name_var}" "Running lit suite ${lit_suite}"
1229 PARAMS ${ARG_PARAMS}
1230 DEPENDS ${ARG_DEPENDS}
1238 function(llvm_install_library_symlink name dest type)
1239 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN})
1240 foreach(path ${CMAKE_MODULE_PATH})
1241 if(EXISTS ${path}/LLVMInstallSymlink.cmake)
1242 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake)
1247 set(component ${ARG_COMPONENT})
1249 set(component ${name})
1252 set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX})
1253 set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX})
1255 set(output_dir lib${LLVM_LIBDIR_SUFFIX})
1256 if(WIN32 AND "${type}" STREQUAL "SHARED")
1260 install(SCRIPT ${INSTALL_SYMLINK}
1261 CODE "install_symlink(${full_name} ${full_dest} ${output_dir})"
1262 COMPONENT ${component})
1264 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE)
1265 add_custom_target(install-${name}
1266 DEPENDS ${name} ${dest} install-${dest}
1267 COMMAND "${CMAKE_COMMAND}"
1268 -DCMAKE_INSTALL_COMPONENT=${name}
1269 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
1273 function(llvm_install_symlink name dest)
1274 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN})
1275 foreach(path ${CMAKE_MODULE_PATH})
1276 if(EXISTS ${path}/LLVMInstallSymlink.cmake)
1277 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake)
1283 set(component ${ARG_COMPONENT})
1285 if(ARG_ALWAYS_GENERATE)
1286 set(component ${dest})
1288 set(component ${name})
1292 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX})
1293 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX})
1295 install(SCRIPT ${INSTALL_SYMLINK}
1296 CODE "install_symlink(${full_name} ${full_dest} ${LLVM_TOOLS_INSTALL_DIR})"
1297 COMPONENT ${component})
1299 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE)
1300 add_custom_target(install-${name}
1301 DEPENDS ${name} ${dest} install-${dest}
1302 COMMAND "${CMAKE_COMMAND}"
1303 -DCMAKE_INSTALL_COMPONENT=${name}
1304 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
1308 function(add_llvm_tool_symlink link_name target)
1309 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "OUTPUT_DIR" "" ${ARGN})
1310 set(dest_binary "$<TARGET_FILE:${target}>")
1312 # This got a bit gross... For multi-configuration generators the target
1313 # properties return the resolved value of the string, not the build system
1314 # expression. To reconstruct the platform-agnostic path we have to do some
1315 # magic. First we grab one of the types, and a type-specific path. Then from
1316 # the type-specific path we find the last occurrence of the type in the path,
1317 # and replace it with CMAKE_CFG_INTDIR. This allows the build step to be type
1319 if(NOT ARG_OUTPUT_DIR)
1320 # If you're not overriding the OUTPUT_DIR, we can make the link relative in
1321 # the same directory.
1323 set(dest_binary "$<TARGET_FILE_NAME:${target}>")
1325 if(CMAKE_CONFIGURATION_TYPES)
1326 list(GET CMAKE_CONFIGURATION_TYPES 0 first_type)
1327 string(TOUPPER ${first_type} first_type_upper)
1328 set(first_type_suffix _${first_type_upper})
1330 get_target_property(target_type ${target} TYPE)
1331 if(${target_type} STREQUAL "STATIC_LIBRARY")
1332 get_target_property(ARG_OUTPUT_DIR ${target} ARCHIVE_OUTPUT_DIRECTORY${first_type_suffix})
1333 elseif(UNIX AND ${target_type} STREQUAL "SHARED_LIBRARY")
1334 get_target_property(ARG_OUTPUT_DIR ${target} LIBRARY_OUTPUT_DIRECTORY${first_type_suffix})
1336 get_target_property(ARG_OUTPUT_DIR ${target} RUNTIME_OUTPUT_DIRECTORY${first_type_suffix})
1338 if(CMAKE_CONFIGURATION_TYPES)
1339 string(FIND "${ARG_OUTPUT_DIR}" "/${first_type}/" type_start REVERSE)
1340 string(SUBSTRING "${ARG_OUTPUT_DIR}" 0 ${type_start} path_prefix)
1341 string(SUBSTRING "${ARG_OUTPUT_DIR}" ${type_start} -1 path_suffix)
1342 string(REPLACE "/${first_type}/" "/${CMAKE_CFG_INTDIR}/"
1343 path_suffix ${path_suffix})
1344 set(ARG_OUTPUT_DIR ${path_prefix}${path_suffix})
1349 set(LLVM_LINK_OR_COPY create_symlink)
1351 set(LLVM_LINK_OR_COPY copy)
1354 set(output_path "${ARG_OUTPUT_DIR}/${link_name}${CMAKE_EXECUTABLE_SUFFIX}")
1356 set(target_name ${link_name})
1357 if(TARGET ${link_name})
1358 set(target_name ${link_name}-link)
1362 if(ARG_ALWAYS_GENERATE)
1363 set_property(DIRECTORY APPEND PROPERTY
1364 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary})
1365 add_custom_command(TARGET ${target} POST_BUILD
1366 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}")
1368 add_custom_command(OUTPUT ${output_path}
1369 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}"
1371 add_custom_target(${target_name} ALL DEPENDS ${target} ${output_path})
1372 set_target_properties(${target_name} PROPERTIES FOLDER Tools)
1374 # Make sure both the link and target are toolchain tools
1375 if (${link_name} IN_LIST LLVM_TOOLCHAIN_TOOLS AND ${target} IN_LIST LLVM_TOOLCHAIN_TOOLS)
1376 set(TOOL_IS_TOOLCHAIN ON)
1379 if ((TOOL_IS_TOOLCHAIN OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) AND LLVM_BUILD_TOOLS)
1380 llvm_install_symlink(${link_name} ${target})
1385 function(llvm_externalize_debuginfo name)
1386 if(NOT LLVM_EXTERNALIZE_DEBUGINFO)
1390 if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP)
1392 set(strip_command COMMAND xcrun strip -Sxl $<TARGET_FILE:${name}>)
1394 set(strip_command COMMAND strip -gx $<TARGET_FILE:${name}>)
1399 if(CMAKE_CXX_FLAGS MATCHES "-flto"
1400 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto")
1402 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o)
1403 set_property(TARGET ${name} APPEND_STRING PROPERTY
1404 LINK_FLAGS " -Wl,-object_path_lto,${lto_object}")
1406 add_custom_command(TARGET ${name} POST_BUILD
1407 COMMAND xcrun dsymutil $<TARGET_FILE:${name}>
1411 add_custom_command(TARGET ${name} POST_BUILD
1412 COMMAND objcopy --only-keep-debug $<TARGET_FILE:${name}> $<TARGET_FILE:${name}>.debug
1413 ${strip_command} -R .gnu_debuglink
1414 COMMAND objcopy --add-gnu-debuglink=$<TARGET_FILE:${name}>.debug $<TARGET_FILE:${name}>
1419 function(llvm_setup_rpath name)
1420 if(CMAKE_INSTALL_RPATH)
1424 if(LLVM_INSTALL_PREFIX AND NOT (LLVM_INSTALL_PREFIX STREQUAL CMAKE_INSTALL_PREFIX))
1425 set(extra_libdir ${LLVM_LIBRARY_DIR})
1426 elseif(LLVM_BUILD_LIBRARY_DIR)
1427 set(extra_libdir ${LLVM_LIBRARY_DIR})
1431 set(_install_name_dir INSTALL_NAME_DIR "@rpath")
1432 set(_install_rpath "@loader_path/../lib" ${extra_libdir})
1434 set(_install_rpath "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}" ${extra_libdir})
1435 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
1436 set_property(TARGET ${name} APPEND_STRING PROPERTY
1437 LINK_FLAGS " -Wl,-z,origin ")
1438 elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Linux" AND NOT LLVM_LINKER_IS_GOLD)
1439 # $ORIGIN is not interpreted at link time by ld.bfd
1440 set_property(TARGET ${name} APPEND_STRING PROPERTY
1441 LINK_FLAGS " -Wl,-rpath-link,${LLVM_LIBRARY_OUTPUT_INTDIR} ")
1447 set_target_properties(${name} PROPERTIES
1448 BUILD_WITH_INSTALL_RPATH On
1449 INSTALL_RPATH "${_install_rpath}"
1450 ${_install_name_dir})
1453 function(setup_dependency_debugging name)
1454 if(NOT LLVM_DEPENDENCY_DEBUGGING)
1458 if("intrinsics_gen" IN_LIST ARGN)
1462 set(deny_attributes_gen "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Attributes.gen\"))")
1463 set(deny_intrinsics_gen "(deny file* (literal \"${LLVM_BINARY_DIR}/include/llvm/IR/Intrinsics.gen\"))")
1465 set(sandbox_command "sandbox-exec -p '(version 1) (allow default) ${deny_attributes_gen} ${deny_intrinsics_gen}'")
1466 set_target_properties(${name} PROPERTIES RULE_LAUNCH_COMPILE ${sandbox_command})