1include(LLVMParseArguments) 2include(LLVMProcessSources) 3include(LLVM-Config) 4 5function(llvm_update_compile_flags name) 6 get_property(sources TARGET ${name} PROPERTY SOURCES) 7 if("${sources}" MATCHES "\\.c(;|$)") 8 set(update_src_props ON) 9 endif() 10 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) 14 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) 15 message(AUTHOR_WARNING "Exception handling requires RTTI. Enabling RTTI for ${name}") 16 set(LLVM_REQUIRES_RTTI ON) 17 endif() 18 else() 19 if(LLVM_COMPILER_IS_GCC_COMPATIBLE) 20 list(APPEND LLVM_COMPILE_FLAGS "-fno-exceptions") 21 elseif(MSVC) 22 list(APPEND LLVM_COMPILE_DEFINITIONS _HAS_EXCEPTIONS=0) 23 list(APPEND LLVM_COMPILE_FLAGS "/EHs-c-") 24 endif() 25 endif() 26 27 # LLVM_REQUIRES_RTTI is an internal flag that individual 28 # targets can use to force RTTI 29 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) 30 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0) 31 if (LLVM_COMPILER_IS_GCC_COMPATIBLE) 32 list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti") 33 elseif (MSVC) 34 list(APPEND LLVM_COMPILE_FLAGS "/GR-") 35 endif () 36 endif() 37 38 # Assume that; 39 # - LLVM_COMPILE_FLAGS is list. 40 # - PROPERTY COMPILE_FLAGS is string. 41 string(REPLACE ";" " " target_compile_flags "${LLVM_COMPILE_FLAGS}") 42 43 if(update_src_props) 44 foreach(fn ${sources}) 45 get_filename_component(suf ${fn} EXT) 46 if("${suf}" STREQUAL ".cpp") 47 set_property(SOURCE ${fn} APPEND_STRING PROPERTY 48 COMPILE_FLAGS "${target_compile_flags}") 49 endif() 50 endforeach() 51 else() 52 # Update target props, since all sources are C++. 53 set_property(TARGET ${name} APPEND_STRING PROPERTY 54 COMPILE_FLAGS "${target_compile_flags}") 55 endif() 56 57 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS}) 58endfunction() 59 60function(add_llvm_symbol_exports target_name export_file) 61 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 62 set(native_export_file "${target_name}.exports") 63 add_custom_command(OUTPUT ${native_export_file} 64 COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file} 65 DEPENDS ${export_file} 66 VERBATIM 67 COMMENT "Creating export file for ${target_name}") 68 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 69 LINK_FLAGS " -Wl,-exported_symbols_list,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 70 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT) 71 # Gold and BFD ld require a version script rather than a plain list. 72 set(native_export_file "${target_name}.exports") 73 # FIXME: Don't write the "local:" line on OpenBSD. 74 add_custom_command(OUTPUT ${native_export_file} 75 COMMAND echo "{" > ${native_export_file} 76 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || : 77 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file} 78 COMMAND echo " local: *;" >> ${native_export_file} 79 COMMAND echo "};" >> ${native_export_file} 80 DEPENDS ${export_file} 81 VERBATIM 82 COMMENT "Creating export file for ${target_name}") 83 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 84 LINK_FLAGS " -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 85 else() 86 set(native_export_file "${target_name}.def") 87 88 set(CAT "cat") 89 set(export_file_nativeslashes ${export_file}) 90 if(WIN32 AND NOT CYGWIN) 91 set(CAT "type") 92 # Convert ${export_file} to native format (backslashes) for "type" 93 # Does not use file(TO_NATIVE_PATH) as it doesn't create a native 94 # path but a build-system specific format (see CMake bug 95 # http://public.kitware.com/Bug/print_bug_page.php?bug_id=5939 ) 96 string(REPLACE / \\ export_file_nativeslashes ${export_file}) 97 endif() 98 99 add_custom_command(OUTPUT ${native_export_file} 100 COMMAND ${CMAKE_COMMAND} -E echo "EXPORTS" > ${native_export_file} 101 COMMAND ${CAT} ${export_file_nativeslashes} >> ${native_export_file} 102 DEPENDS ${export_file} 103 VERBATIM 104 COMMENT "Creating export file for ${target_name}") 105 set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 106 if(MSVC) 107 set(export_file_linker_flag "/DEF:${export_file_linker_flag}") 108 endif() 109 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 110 LINK_FLAGS " ${export_file_linker_flag}") 111 endif() 112 113 add_custom_target(${target_name}_exports DEPENDS ${native_export_file}) 114 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc") 115 116 get_property(srcs TARGET ${target_name} PROPERTY SOURCES) 117 foreach(src ${srcs}) 118 get_filename_component(extension ${src} EXT) 119 if(extension STREQUAL ".cpp") 120 set(first_source_file ${src}) 121 break() 122 endif() 123 endforeach() 124 125 # Force re-linking when the exports file changes. Actually, it 126 # forces recompilation of the source file. The LINK_DEPENDS target 127 # property only works for makefile-based generators. 128 # FIXME: This is not safe because this will create the same target 129 # ${native_export_file} in several different file: 130 # - One where we emitted ${target_name}_exports 131 # - One where we emitted the build command for the following object. 132 # set_property(SOURCE ${first_source_file} APPEND PROPERTY 133 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}) 134 135 set_property(DIRECTORY APPEND 136 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file}) 137 138 add_dependencies(${target_name} ${target_name}_exports) 139 140 # Add dependency to *_exports later -- CMake issue 14747 141 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports) 142 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE) 143endfunction(add_llvm_symbol_exports) 144 145if(NOT WIN32 AND NOT APPLE) 146 execute_process(COMMAND ${CMAKE_C_COMPILER} -Wl,--version 147 OUTPUT_VARIABLE stdout) 148 if("${stdout}" MATCHES "GNU gold") 149 set(LLVM_LINKER_IS_GOLD ON) 150 endif() 151endif() 152 153function(add_link_opts target_name) 154 # Pass -O3 to the linker. This enabled different optimizations on different 155 # linkers. 156 if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin" OR WIN32)) 157 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 158 LINK_FLAGS " -Wl,-O3") 159 endif() 160 161 if(LLVM_LINKER_IS_GOLD) 162 # With gold gc-sections is always safe. 163 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 164 LINK_FLAGS " -Wl,--gc-sections -Wl,--icf=safe") 165 endif() 166 167 if(NOT LLVM_NO_DEAD_STRIP) 168 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 169 # ld64's implementation of -dead_strip breaks tools that use plugins. 170 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 171 LINK_FLAGS " -Wl,-dead_strip") 172 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD) 173 # Object files are compiled with -ffunction-data-sections. 174 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks 175 # tools that use plugins. Always pass --gc-sections once we require 176 # a newer linker. 177 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 178 LINK_FLAGS " -Wl,--gc-sections") 179 endif() 180 endif() 181endfunction(add_link_opts) 182 183# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. 184# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, 185# or a certain builder, for eaxample, msbuild.exe, would be confused. 186function(set_output_directory target bindir libdir) 187 # Do nothing if *_OUTPUT_INTDIR is empty. 188 if("${bindir}" STREQUAL "") 189 return() 190 endif() 191 192 # moddir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. 193 # It affects output of add_library(MODULE). 194 if(WIN32 OR CYGWIN) 195 # DLL platform 196 set(moddir ${bindir}) 197 else() 198 set(moddir ${libdir}) 199 endif() 200 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") 201 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 202 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 203 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${bindir}) 204 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${libdir}) 205 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${moddir}) 206 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) 207 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) 208 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) 209 endforeach() 210 else() 211 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${bindir}) 212 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${libdir}) 213 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${moddir}) 214 endif() 215endfunction() 216 217# llvm_add_library(name sources... 218# SHARED;STATIC 219# STATIC by default w/o BUILD_SHARED_LIBS. 220# SHARED by default w/ BUILD_SHARED_LIBS. 221# MODULE 222# Target ${name} might not be created on unsupported platforms. 223# Check with "if(TARGET ${name})". 224# OUTPUT_NAME name 225# Corresponds to OUTPUT_NAME in target properties. 226# DEPENDS targets... 227# Same semantics as add_dependencies(). 228# LINK_COMPONENTS components... 229# Same as the variable LLVM_LINK_COMPONENTS. 230# LINK_LIBS lib_targets... 231# Same semantics as target_link_libraries(). 232# ADDITIONAL_HEADERS 233# May specify header files for IDE generators. 234# ) 235function(llvm_add_library name) 236 cmake_parse_arguments(ARG 237 "MODULE;SHARED;STATIC" 238 "OUTPUT_NAME" 239 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 240 ${ARGN}) 241 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 242 if(ARG_ADDITIONAL_HEADERS) 243 # Pass through ADDITIONAL_HEADERS. 244 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 245 endif() 246 if(ARG_OBJLIBS) 247 set(ALL_FILES ${ARG_OBJLIBS}) 248 else() 249 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 250 endif() 251 252 if(ARG_MODULE) 253 if(ARG_SHARED OR ARG_STATIC) 254 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 255 endif() 256 if(NOT LLVM_ENABLE_PLUGINS) 257 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 258 return() 259 endif() 260 else() 261 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 262 set(ARG_SHARED TRUE) 263 endif() 264 if(NOT ARG_SHARED) 265 set(ARG_STATIC TRUE) 266 endif() 267 endif() 268 269 # Generate objlib 270 if(ARG_SHARED AND ARG_STATIC) 271 # Generate an obj library for both targets. 272 set(obj_name "obj.${name}") 273 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 274 ${ALL_FILES} 275 ) 276 llvm_update_compile_flags(${obj_name}) 277 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 278 279 # Do add_dependencies(obj) later due to CMake issue 14747. 280 list(APPEND objlibs ${obj_name}) 281 282 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 283 endif() 284 285 if(ARG_SHARED AND ARG_STATIC) 286 # static 287 set(name_static "${name}_static") 288 if(ARG_OUTPUT_NAME) 289 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 290 endif() 291 # DEPENDS has been appended to LLVM_COMMON_LIBS. 292 llvm_add_library(${name_static} STATIC 293 ${output_name} 294 OBJLIBS ${ALL_FILES} # objlib 295 LINK_LIBS ${ARG_LINK_LIBS} 296 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 297 ) 298 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 299 set(ARG_STATIC) 300 endif() 301 302 if(ARG_MODULE) 303 add_library(${name} MODULE ${ALL_FILES}) 304 elseif(ARG_SHARED) 305 add_library(${name} SHARED ${ALL_FILES}) 306 else() 307 add_library(${name} STATIC ${ALL_FILES}) 308 endif() 309 set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR}) 310 llvm_update_compile_flags(${name}) 311 add_link_opts( ${name} ) 312 if(ARG_OUTPUT_NAME) 313 set_target_properties(${name} 314 PROPERTIES 315 OUTPUT_NAME ${ARG_OUTPUT_NAME} 316 ) 317 endif() 318 319 if(ARG_MODULE) 320 set_target_properties(${name} PROPERTIES 321 PREFIX "" 322 SUFFIX ${LLVM_PLUGIN_EXT} 323 ) 324 endif() 325 326 if(ARG_SHARED) 327 if(WIN32) 328 set_target_properties(${name} PROPERTIES 329 PREFIX "" 330 ) 331 endif() 332 if (MSVC) 333 set_target_properties(${name} 334 PROPERTIES 335 IMPORT_SUFFIX ".imp") 336 endif () 337 endif() 338 339 if(ARG_MODULE OR ARG_SHARED) 340 # Do not add -Dname_EXPORTS to the command-line when building files in this 341 # target. Doing so is actively harmful for the modules build because it 342 # creates extra module variants, and not useful because we don't use these 343 # macros. 344 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 345 346 if (LLVM_EXPORTED_SYMBOL_FILE) 347 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 348 endif() 349 endif() 350 351 # Add the explicit dependency information for this library. 352 # 353 # It would be nice to verify that we have the dependencies for this library 354 # name, but using get_property(... SET) doesn't suffice to determine if a 355 # property has been set to an empty value. 356 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) 357 358 llvm_map_components_to_libnames(llvm_libs 359 ${ARG_LINK_COMPONENTS} 360 ${LLVM_LINK_COMPONENTS} 361 ) 362 363 if(CMAKE_VERSION VERSION_LESS 2.8.12) 364 # Link libs w/o keywords, assuming PUBLIC. 365 target_link_libraries(${name} 366 ${ARG_LINK_LIBS} 367 ${lib_deps} 368 ${llvm_libs} 369 ) 370 elseif(ARG_STATIC) 371 target_link_libraries(${name} INTERFACE 372 ${ARG_LINK_LIBS} 373 ${lib_deps} 374 ${llvm_libs} 375 ) 376 else() 377 # We can use PRIVATE since SO knows its dependent libs. 378 target_link_libraries(${name} PRIVATE 379 ${ARG_LINK_LIBS} 380 ${lib_deps} 381 ${llvm_libs} 382 ) 383 endif() 384 385 if(LLVM_COMMON_DEPENDS) 386 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 387 # Add dependencies also to objlibs. 388 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 389 foreach(objlib ${objlibs}) 390 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 391 endforeach() 392 endif() 393endfunction() 394 395macro(add_llvm_library name) 396 if( BUILD_SHARED_LIBS ) 397 llvm_add_library(${name} SHARED ${ARGN}) 398 else() 399 llvm_add_library(${name} ${ARGN}) 400 endif() 401 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 402 403 if( EXCLUDE_FROM_ALL ) 404 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 405 else() 406 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO") 407 install(TARGETS ${name} 408 EXPORT LLVMExports 409 RUNTIME DESTINATION bin 410 LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} 411 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}) 412 endif() 413 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 414 endif() 415 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 416endmacro(add_llvm_library name) 417 418macro(add_llvm_loadable_module name) 419 llvm_add_library(${name} MODULE ${ARGN}) 420 if(NOT TARGET ${name}) 421 # Add empty "phony" target 422 add_custom_target(${name}) 423 else() 424 if( EXCLUDE_FROM_ALL ) 425 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 426 else() 427 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 428 if(WIN32 OR CYGWIN) 429 # DLL platform 430 set(dlldir "bin") 431 else() 432 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}") 433 endif() 434 install(TARGETS ${name} 435 EXPORT LLVMExports 436 LIBRARY DESTINATION ${dlldir} 437 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}) 438 endif() 439 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 440 endif() 441 endif() 442 443 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 444endmacro(add_llvm_loadable_module name) 445 446 447macro(add_llvm_executable name) 448 llvm_process_sources( ALL_FILES ${ARGN} ) 449 if( EXCLUDE_FROM_ALL ) 450 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 451 else() 452 add_executable(${name} ${ALL_FILES}) 453 endif() 454 llvm_update_compile_flags(${name}) 455 add_link_opts( ${name} ) 456 457 # Do not add -Dname_EXPORTS to the command-line when building files in this 458 # target. Doing so is actively harmful for the modules build because it 459 # creates extra module variants, and not useful because we don't use these 460 # macros. 461 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 462 463 if (LLVM_EXPORTED_SYMBOL_FILE) 464 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 465 endif(LLVM_EXPORTED_SYMBOL_FILE) 466 467 set(EXCLUDE_FROM_ALL OFF) 468 set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR}) 469 llvm_config( ${name} ${LLVM_LINK_COMPONENTS} ) 470 if( LLVM_COMMON_DEPENDS ) 471 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 472 endif( LLVM_COMMON_DEPENDS ) 473endmacro(add_llvm_executable name) 474 475 476set (LLVM_TOOLCHAIN_TOOLS 477 llvm-ar 478 llvm-objdump 479 ) 480 481macro(add_llvm_tool name) 482 if( NOT LLVM_BUILD_TOOLS ) 483 set(EXCLUDE_FROM_ALL ON) 484 endif() 485 add_llvm_executable(${name} ${ARGN}) 486 487 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL) 488 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 489 if( LLVM_BUILD_TOOLS ) 490 install(TARGETS ${name} 491 EXPORT LLVMExports 492 RUNTIME DESTINATION bin) 493 endif() 494 endif() 495 if( LLVM_BUILD_TOOLS ) 496 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 497 endif() 498 set_target_properties(${name} PROPERTIES FOLDER "Tools") 499endmacro(add_llvm_tool name) 500 501 502macro(add_llvm_example name) 503 if( NOT LLVM_BUILD_EXAMPLES ) 504 set(EXCLUDE_FROM_ALL ON) 505 endif() 506 add_llvm_executable(${name} ${ARGN}) 507 if( LLVM_BUILD_EXAMPLES ) 508 install(TARGETS ${name} RUNTIME DESTINATION examples) 509 endif() 510 set_target_properties(${name} PROPERTIES FOLDER "Examples") 511endmacro(add_llvm_example name) 512 513 514macro(add_llvm_utility name) 515 add_llvm_executable(${name} ${ARGN}) 516 set_target_properties(${name} PROPERTIES FOLDER "Utils") 517endmacro(add_llvm_utility name) 518 519 520macro(add_llvm_target target_name) 521 include_directories(BEFORE 522 ${CMAKE_CURRENT_BINARY_DIR} 523 ${CMAKE_CURRENT_SOURCE_DIR}) 524 add_llvm_library(LLVM${target_name} ${ARGN}) 525 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 526endmacro(add_llvm_target) 527 528# Add external project that may want to be built as part of llvm such as Clang, 529# lld, and Polly. This adds two options. One for the source directory of the 530# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 531# enable or disable building it with everything else. 532# Additional parameter can be specified as the name of directory. 533macro(add_llvm_external_project name) 534 set(add_llvm_external_dir "${ARGN}") 535 if("${add_llvm_external_dir}" STREQUAL "") 536 set(add_llvm_external_dir ${name}) 537 endif() 538 list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}") 539 string(REPLACE "-" "_" nameUNDERSCORE ${name}) 540 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 541 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}" 542 CACHE PATH "Path to ${name} source directory") 543 if (NOT ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} STREQUAL "" 544 AND EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}/CMakeLists.txt) 545 option(LLVM_EXTERNAL_${nameUPPER}_BUILD 546 "Whether to build ${name} as part of LLVM" ON) 547 if (LLVM_EXTERNAL_${nameUPPER}_BUILD) 548 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 549 endif() 550 endif() 551endmacro(add_llvm_external_project) 552 553macro(add_llvm_tool_subdirectory name) 554 list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${name}") 555 add_subdirectory(${name}) 556endmacro(add_llvm_tool_subdirectory) 557 558macro(ignore_llvm_tool_subdirectory name) 559 list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${name}") 560endmacro(ignore_llvm_tool_subdirectory) 561 562function(add_llvm_implicit_external_projects) 563 set(list_of_implicit_subdirs "") 564 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 565 foreach(dir ${sub-dirs}) 566 if(IS_DIRECTORY "${dir}") 567 list(FIND LLVM_IMPLICIT_PROJECT_IGNORE "${dir}" tool_subdir_ignore) 568 if( tool_subdir_ignore EQUAL -1 569 AND EXISTS "${dir}/CMakeLists.txt") 570 get_filename_component(fn "${dir}" NAME) 571 list(APPEND list_of_implicit_subdirs "${fn}") 572 endif() 573 endif() 574 endforeach() 575 576 foreach(external_proj ${list_of_implicit_subdirs}) 577 add_llvm_external_project("${external_proj}") 578 endforeach() 579endfunction(add_llvm_implicit_external_projects) 580 581# Generic support for adding a unittest. 582function(add_unittest test_suite test_name) 583 if( NOT LLVM_BUILD_TESTS ) 584 set(EXCLUDE_FROM_ALL ON) 585 endif() 586 587 # Visual Studio 2012 only supports up to 8 template parameters in 588 # std::tr1::tuple by default, but gtest requires 10 589 if (MSVC AND MSVC_VERSION EQUAL 1700) 590 list(APPEND LLVM_COMPILE_DEFINITIONS _VARIADIC_MAX=10) 591 endif () 592 593 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) 594 if (NOT LLVM_ENABLE_THREADS) 595 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) 596 endif () 597 598 if (SUPPORTS_NO_VARIADIC_MACROS_FLAG) 599 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 600 endif () 601 602 set(LLVM_REQUIRES_RTTI OFF) 603 604 add_llvm_executable(${test_name} ${ARGN}) 605 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 606 set_output_directory(${test_name} ${outdir} ${outdir}) 607 target_link_libraries(${test_name} 608 gtest 609 gtest_main 610 LLVMSupport # gtest needs it for raw_ostream. 611 ) 612 613 add_dependencies(${test_suite} ${test_name}) 614 get_target_property(test_suite_folder ${test_suite} FOLDER) 615 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND") 616 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 617 endif () 618endfunction() 619 620function(llvm_add_go_executable binary pkgpath) 621 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN}) 622 623 if(LLVM_BINDINGS MATCHES "go") 624 # FIXME: This should depend only on the libraries Go needs. 625 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS) 626 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX}) 627 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 628 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 629 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}") 630 add_custom_command(OUTPUT ${binpath} 631 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "cc=${cc}" "cxx=${cxx}" "ldflags=${ldflags}" 632 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath} 633 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX} 634 ${llvmlibs} ${ARG_DEPENDS} 635 COMMENT "Building Go executable ${binary}" 636 VERBATIM) 637 if (ARG_ALL) 638 add_custom_target(${binary} ALL DEPENDS ${binpath}) 639 else() 640 add_custom_target(${binary} DEPENDS ${binpath}) 641 endif() 642 endif() 643endfunction() 644 645# This function provides an automatic way to 'configure'-like generate a file 646# based on a set of common and custom variables, specifically targeting the 647# variables needed for the 'lit.site.cfg' files. This function bundles the 648# common variables that any Lit instance is likely to need, and custom 649# variables can be passed in. 650function(configure_lit_site_cfg input output) 651 foreach(c ${LLVM_TARGETS_TO_BUILD}) 652 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 653 endforeach(c) 654 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 655 656 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 657 658 # Configuration-time: See Unit/lit.site.cfg.in 659 if (CMAKE_CFG_INTDIR STREQUAL ".") 660 set(LLVM_BUILD_MODE ".") 661 else () 662 set(LLVM_BUILD_MODE "%(build_mode)s") 663 endif () 664 665 # They below might not be the build tree but provided binary tree. 666 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 667 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 668 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR}) 669 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR}) 670 671 # SHLIBDIR points the build tree. 672 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 673 674 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE}) 675 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 676 # plugins. We may rename it. 677 if(LLVM_ENABLE_PLUGINS) 678 set(ENABLE_SHARED "1") 679 else() 680 set(ENABLE_SHARED "0") 681 endif() 682 683 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 684 set(ENABLE_ASSERTIONS "1") 685 else() 686 set(ENABLE_ASSERTIONS "0") 687 endif() 688 689 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 690 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 691 692 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 693 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 694 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 695 696 configure_file(${input} ${output} @ONLY) 697endfunction() 698 699# A raw function to create a lit target. This is used to implement the testuite 700# management functions. 701function(add_lit_target target comment) 702 parse_arguments(ARG "PARAMS;DEPENDS;ARGS" "" ${ARGN}) 703 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 704 separate_arguments(LIT_ARGS) 705 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 706 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 707 endif () 708 if (LLVM_MAIN_SRC_DIR) 709 set (LIT_COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) 710 else() 711 find_program(LIT_COMMAND llvm-lit) 712 endif () 713 list(APPEND LIT_COMMAND ${LIT_ARGS}) 714 foreach(param ${ARG_PARAMS}) 715 list(APPEND LIT_COMMAND --param ${param}) 716 endforeach() 717 if( ARG_DEPENDS ) 718 add_custom_target(${target} 719 COMMAND ${LIT_COMMAND} ${ARG_DEFAULT_ARGS} 720 COMMENT "${comment}" 721 ${cmake_3_2_USES_TERMINAL} 722 ) 723 add_dependencies(${target} ${ARG_DEPENDS}) 724 else() 725 add_custom_target(${target} 726 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 727 message(STATUS "${target} does nothing.") 728 endif() 729 730 # Tests should be excluded from "Build Solution". 731 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 732endfunction() 733 734# A function to add a set of lit test suites to be driven through 'check-*' targets. 735function(add_lit_testsuite target comment) 736 parse_arguments(ARG "PARAMS;DEPENDS;ARGS" "" ${ARGN}) 737 738 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 739 if(NOT EXCLUDE_FROM_ALL) 740 # Register the testsuites, params and depends for the global check rule. 741 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_DEFAULT_ARGS}) 742 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 743 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 744 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 745 endif() 746 747 # Produce a specific suffixed check rule. 748 add_lit_target(${target} ${comment} 749 ${ARG_DEFAULT_ARGS} 750 PARAMS ${ARG_PARAMS} 751 DEPENDS ${ARG_DEPENDS} 752 ARGS ${ARG_ARGS} 753 ) 754endfunction() 755