1 include(LLVMParseArguments)
2 include(LLVMProcessSources)
5 function(llvm_update_compile_flags name)
6 get_property(target_compile_flags TARGET ${name} PROPERTY COMPILE_FLAGS)
7 if(NOT "${LLVM_COMPILE_FLAGS}" STREQUAL "")
8 set(target_compile_flags "${target_compile_flags} ${LLVM_COMPILE_FLAGS}")
11 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0)
12 if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
13 set(target_compile_flags "${target_compile_flags} -fno-rtti")
15 llvm_replace_compiler_option(target_compile_flags "/GR" "/GR-")
19 set_property(TARGET ${name} PROPERTY COMPILE_FLAGS "${target_compile_flags}")
20 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS})
23 function(add_llvm_symbol_exports target_name export_file)
24 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
25 set(native_export_file "${target_name}.exports")
26 add_custom_command(OUTPUT ${native_export_file}
27 COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file}
28 DEPENDS ${export_file}
30 COMMENT "Creating export file for ${target_name}")
31 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
32 LINK_FLAGS " -Wl,-exported_symbols_list,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
33 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT)
34 # Gold and BFD ld require a version script rather than a plain list.
35 set(native_export_file "${target_name}.exports")
36 # FIXME: Don't write the "local:" line on OpenBSD.
37 add_custom_command(OUTPUT ${native_export_file}
38 COMMAND echo "{" > ${native_export_file}
39 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || :
40 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file}
41 COMMAND echo " local: *;" >> ${native_export_file}
42 COMMAND echo "};" >> ${native_export_file}
43 DEPENDS ${export_file}
45 COMMENT "Creating export file for ${target_name}")
46 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
47 LINK_FLAGS " -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
49 set(native_export_file "${target_name}.def")
56 # Using ${export_file} in add_custom_command directly confuses cmd.exe.
57 file(TO_NATIVE_PATH ${export_file} export_file_backslashes)
59 add_custom_command(OUTPUT ${native_export_file}
60 COMMAND ${CMAKE_COMMAND} -E echo "EXPORTS" > ${native_export_file}
61 COMMAND ${CAT} ${export_file_backslashes} >> ${native_export_file}
62 DEPENDS ${export_file}
64 COMMENT "Creating export file for ${target_name}")
66 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
67 LINK_FLAGS " ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
69 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
70 LINK_FLAGS " /DEF:${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
74 add_custom_target(${target_name}_exports DEPENDS ${native_export_file})
76 get_property(srcs TARGET ${target_name} PROPERTY SOURCES)
78 get_filename_component(extension ${src} EXT)
79 if(extension STREQUAL ".cpp")
80 set(first_source_file ${src})
85 # Force re-linking when the exports file changes. Actually, it
86 # forces recompilation of the source file. The LINK_DEPENDS target
87 # property only works for makefile-based generators.
88 set_property(SOURCE ${first_source_file} APPEND PROPERTY
89 OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file})
91 set_property(DIRECTORY APPEND
92 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file})
94 add_dependencies(${target_name} ${target_name}_exports)
95 endfunction(add_llvm_symbol_exports)
97 function(add_dead_strip target_name)
98 # FIXME: With MSVS, consider compiling with /Gy and linking with /OPT:REF?
99 # But MinSizeRel seems to add that automatically, so maybe disable these
100 # flags instead if LLVM_NO_DEAD_STRIP is set.
101 if(NOT CYGWIN AND NOT MINGW AND NOT MSVC)
102 if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
104 "${CMAKE_CXX_FLAGS} -ffunction-sections -fdata-sections"
108 if(NOT LLVM_NO_DEAD_STRIP)
109 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
110 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
111 LINK_FLAGS " -Wl,-dead_strip")
113 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
114 LINK_FLAGS " -Wl,--gc-sections")
117 endfunction(add_dead_strip)
119 # Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}.
120 # Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more,
121 # or a certain builder, for eaxample, msbuild.exe, would be confused.
122 function(set_output_directory target bindir libdir)
123 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".")
124 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES})
125 string(TOUPPER "${build_mode}" CONFIG_SUFFIX)
126 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${bindir})
127 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${libdir})
128 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi})
129 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li})
130 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li})
133 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${bindir})
134 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${libdir})
135 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${libdir})
139 macro(add_llvm_library name)
140 llvm_process_sources( ALL_FILES ${ARGN} )
141 add_library( ${name} ${ALL_FILES} )
142 set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR})
143 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} )
144 add_dead_strip( ${name} )
145 if( LLVM_COMMON_DEPENDS )
146 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
147 endif( LLVM_COMMON_DEPENDS )
149 if( BUILD_SHARED_LIBS )
150 llvm_config( ${name} ${LLVM_LINK_COMPONENTS} )
152 set_target_properties(${name}
154 IMPORT_SUFFIX ".imp")
157 if (LLVM_EXPORTED_SYMBOL_FILE)
158 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
162 # Ensure that the system libraries always comes last on the
163 # list. Without this, linking the unit tests on MinGW fails.
164 link_system_libs( ${name} )
166 if( EXCLUDE_FROM_ALL )
167 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
169 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO")
170 install(TARGETS ${name}
171 LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
172 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
175 set_target_properties(${name} PROPERTIES FOLDER "Libraries")
177 # Add the explicit dependency information for this library.
179 # It would be nice to verify that we have the dependencies for this library
180 # name, but using get_property(... SET) doesn't suffice to determine if a
181 # property has been set to an empty value.
182 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name})
183 target_link_libraries(${name} ${lib_deps})
184 endmacro(add_llvm_library name)
186 macro(add_llvm_loadable_module name)
187 if( NOT LLVM_ON_UNIX OR CYGWIN )
188 message(STATUS "Loadable modules not supported on this platform.
190 # Add empty "phony" target
191 add_custom_target(${name})
193 llvm_process_sources( ALL_FILES ${ARGN} )
200 add_library( ${name} ${libkind} ${ALL_FILES} )
201 set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR})
202 set_target_properties( ${name} PROPERTIES PREFIX "" )
203 add_dead_strip( ${name} )
205 if (LLVM_EXPORTED_SYMBOL_FILE)
206 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
207 endif(LLVM_EXPORTED_SYMBOL_FILE)
209 llvm_config( ${name} ${LLVM_LINK_COMPONENTS} )
210 link_system_libs( ${name} )
213 # Darwin-specific linker flags for loadable modules.
214 set_property(TARGET ${name} APPEND_STRING PROPERTY
215 LINK_FLAGS " -Wl,-flat_namespace -Wl,-undefined -Wl,suppress")
218 if( EXCLUDE_FROM_ALL )
219 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
221 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
222 install(TARGETS ${name}
223 LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
224 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
229 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules")
230 endmacro(add_llvm_loadable_module name)
233 macro(add_llvm_executable name)
234 llvm_process_sources( ALL_FILES ${ARGN} )
235 if( EXCLUDE_FROM_ALL )
236 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES})
238 add_executable(${name} ${ALL_FILES})
240 add_dead_strip( ${name} )
242 if (LLVM_EXPORTED_SYMBOL_FILE)
243 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
244 endif(LLVM_EXPORTED_SYMBOL_FILE)
246 set(EXCLUDE_FROM_ALL OFF)
247 set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR})
248 llvm_config( ${name} ${LLVM_LINK_COMPONENTS} )
249 if( LLVM_COMMON_DEPENDS )
250 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
251 endif( LLVM_COMMON_DEPENDS )
252 link_system_libs( ${name} )
253 endmacro(add_llvm_executable name)
256 set (LLVM_TOOLCHAIN_TOOLS
261 macro(add_llvm_tool name)
262 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR})
263 if( NOT LLVM_BUILD_TOOLS )
264 set(EXCLUDE_FROM_ALL ON)
266 add_llvm_executable(${name} ${ARGN})
268 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL)
269 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
270 if( LLVM_BUILD_TOOLS )
271 install(TARGETS ${name} RUNTIME DESTINATION bin)
274 set_target_properties(${name} PROPERTIES FOLDER "Tools")
275 endmacro(add_llvm_tool name)
278 macro(add_llvm_example name)
279 # set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_EXAMPLES_BINARY_DIR})
280 if( NOT LLVM_BUILD_EXAMPLES )
281 set(EXCLUDE_FROM_ALL ON)
283 add_llvm_executable(${name} ${ARGN})
284 if( LLVM_BUILD_EXAMPLES )
285 install(TARGETS ${name} RUNTIME DESTINATION examples)
287 set_target_properties(${name} PROPERTIES FOLDER "Examples")
288 endmacro(add_llvm_example name)
291 macro(add_llvm_utility name)
292 add_llvm_executable(${name} ${ARGN})
293 set_target_properties(${name} PROPERTIES FOLDER "Utils")
294 endmacro(add_llvm_utility name)
297 macro(add_llvm_target target_name)
298 include_directories(BEFORE
299 ${CMAKE_CURRENT_BINARY_DIR}
300 ${CMAKE_CURRENT_SOURCE_DIR})
301 add_llvm_library(LLVM${target_name} ${ARGN} ${TABLEGEN_OUTPUT})
302 set( CURRENT_LLVM_TARGET LLVM${target_name} )
303 endmacro(add_llvm_target)
305 # Add external project that may want to be built as part of llvm such as Clang,
306 # lld, and Polly. This adds two options. One for the source directory of the
307 # project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to
308 # enable or disable building it with everything else.
309 # Additional parameter can be specified as the name of directory.
310 macro(add_llvm_external_project name)
311 set(add_llvm_external_dir "${ARGN}")
312 if("${add_llvm_external_dir}" STREQUAL "")
313 set(add_llvm_external_dir ${name})
315 list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}")
316 string(REPLACE "-" "_" nameUNDERSCORE ${name})
317 string(TOUPPER ${nameUNDERSCORE} nameUPPER)
318 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}"
319 CACHE PATH "Path to ${name} source directory")
320 if (NOT ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} STREQUAL ""
321 AND EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}/CMakeLists.txt)
322 option(LLVM_EXTERNAL_${nameUPPER}_BUILD
323 "Whether to build ${name} as part of LLVM" ON)
324 if (LLVM_EXTERNAL_${nameUPPER}_BUILD)
325 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir})
328 endmacro(add_llvm_external_project)
330 macro(add_llvm_tool_subdirectory name)
331 list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${name}")
332 add_subdirectory(${name})
333 endmacro(add_llvm_tool_subdirectory)
335 macro(ignore_llvm_tool_subdirectory name)
336 list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${name}")
337 endmacro(ignore_llvm_tool_subdirectory)
339 function(add_llvm_implicit_external_projects)
340 set(list_of_implicit_subdirs "")
341 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*")
342 foreach(dir ${sub-dirs})
343 if(IS_DIRECTORY "${dir}")
344 list(FIND LLVM_IMPLICIT_PROJECT_IGNORE "${dir}" tool_subdir_ignore)
345 if( tool_subdir_ignore EQUAL -1
346 AND EXISTS "${dir}/CMakeLists.txt")
347 get_filename_component(fn "${dir}" NAME)
348 list(APPEND list_of_implicit_subdirs "${fn}")
353 foreach(external_proj ${list_of_implicit_subdirs})
354 add_llvm_external_project("${external_proj}")
356 endfunction(add_llvm_implicit_external_projects)
358 # Generic support for adding a unittest.
359 function(add_unittest test_suite test_name)
360 if( NOT LLVM_BUILD_TESTS )
361 set(EXCLUDE_FROM_ALL ON)
364 # Visual Studio 2012 only supports up to 8 template parameters in
365 # std::tr1::tuple by default, but gtest requires 10
366 if (MSVC AND MSVC_VERSION EQUAL 1700)
367 list(APPEND LLVM_COMPILE_DEFINITIONS _VARIADIC_MAX=10)
370 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include)
371 if (NOT LLVM_ENABLE_THREADS)
372 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0)
375 if (SUPPORTS_NO_VARIADIC_MACROS_FLAG)
376 set(LLVM_COMPILE_FLAGS "-Wno-variadic-macros")
381 add_llvm_executable(${test_name} ${ARGN})
382 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR})
383 set_output_directory(${test_name} ${outdir} ${outdir})
384 target_link_libraries(${test_name}
387 LLVMSupport # gtest needs it for raw_ostream.
390 add_dependencies(${test_suite} ${test_name})
391 get_target_property(test_suite_folder ${test_suite} FOLDER)
392 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND")
393 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}")
395 llvm_update_compile_flags(${test_name})
398 # This function provides an automatic way to 'configure'-like generate a file
399 # based on a set of common and custom variables, specifically targeting the
400 # variables needed for the 'lit.site.cfg' files. This function bundles the
401 # common variables that any Lit instance is likely to need, and custom
402 # variables can be passed in.
403 function(configure_lit_site_cfg input output)
404 foreach(c ${LLVM_TARGETS_TO_BUILD})
405 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}")
407 set(TARGETS_TO_BUILD ${TARGETS_BUILT})
409 set(SHLIBEXT "${LTDL_SHLIB_EXT}")
411 if(BUILD_SHARED_LIBS)
412 set(LLVM_SHARED_LIBS_ENABLED "1")
414 set(LLVM_SHARED_LIBS_ENABLED "0")
415 endif(BUILD_SHARED_LIBS)
417 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
418 set(SHLIBPATH_VAR "DYLD_LIBRARY_PATH")
419 else() # Default for all other unix like systems.
420 # CMake hardcodes the library locaction using rpath.
421 # Therefore LD_LIBRARY_PATH is not required to run binaries in the
422 # build dir. We pass it anyways.
423 set(SHLIBPATH_VAR "LD_LIBRARY_PATH")
426 # Configuration-time: See Unit/lit.site.cfg.in
427 if (CMAKE_CFG_INTDIR STREQUAL ".")
428 set(LLVM_BUILD_MODE ".")
430 set(LLVM_BUILD_MODE "%(build_mode)s")
433 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR})
434 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR})
435 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
436 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
437 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
438 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
439 set(ENABLE_SHARED ${LLVM_SHARED_LIBS_ENABLED})
440 set(SHLIBPATH_VAR ${SHLIBPATH_VAR})
442 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE)
443 set(ENABLE_ASSERTIONS "1")
445 set(ENABLE_ASSERTIONS "0")
448 set(HOST_OS ${CMAKE_SYSTEM_NAME})
449 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR})
451 if (CLANG_ENABLE_ARCMT)
452 set(ENABLE_CLANG_ARCMT "1")
454 set(ENABLE_CLANG_ARCMT "0")
456 if (CLANG_ENABLE_REWRITER)
457 set(ENABLE_CLANG_REWRITER "1")
459 set(ENABLE_CLANG_REWRITER "0")
461 if (CLANG_ENABLE_STATIC_ANALYZER)
462 set(ENABLE_CLANG_STATIC_ANALYZER "1")
464 set(ENABLE_CLANG_STATIC_ANALYZER "0")
467 configure_file(${input} ${output} @ONLY)
470 # A raw function to create a lit target. This is used to implement the testuite
471 # management functions.
472 function(add_lit_target target comment)
473 parse_arguments(ARG "PARAMS;DEPENDS;ARGS" "" ${ARGN})
474 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}")
475 separate_arguments(LIT_ARGS)
476 if (NOT CMAKE_CFG_INTDIR STREQUAL ".")
477 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR})
481 ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py
484 foreach(param ${ARG_PARAMS})
485 list(APPEND LIT_COMMAND --param ${param})
488 add_custom_target(${target}
489 COMMAND ${LIT_COMMAND} ${ARG_DEFAULT_ARGS}
492 add_dependencies(${target} ${ARG_DEPENDS})
494 add_custom_target(${target}
495 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.")
496 message(STATUS "${target} does nothing.")
499 # Tests should be excluded from "Build Solution".
500 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON)
503 # A function to add a set of lit test suites to be driven through 'check-*' targets.
504 function(add_lit_testsuite target comment)
505 parse_arguments(ARG "PARAMS;DEPENDS;ARGS" "" ${ARGN})
507 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all.
508 if(NOT EXCLUDE_FROM_ALL)
509 # Register the testsuites, params and depends for the global check rule.
510 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_DEFAULT_ARGS})
511 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS})
512 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS})
513 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS})
516 # Produce a specific suffixed check rule.
517 add_lit_target(${target} ${comment}
520 DEPENDS ${ARG_DEPENDS}