1include(LLVMProcessSources) 2include(LLVM-Config) 3include(DetermineGCCCompatible) 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 targets can use to 12 # 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 set(LLVM_CONFIG_HAS_RTTI YES CACHE INTERNAL "") 30 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) 31 set(LLVM_CONFIG_HAS_RTTI NO CACHE INTERNAL "") 32 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0) 33 if (LLVM_COMPILER_IS_GCC_COMPATIBLE) 34 list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti") 35 elseif (MSVC) 36 list(APPEND LLVM_COMPILE_FLAGS "/GR-") 37 endif () 38 endif() 39 40 # Assume that; 41 # - LLVM_COMPILE_FLAGS is list. 42 # - PROPERTY COMPILE_FLAGS is string. 43 string(REPLACE ";" " " target_compile_flags " ${LLVM_COMPILE_FLAGS}") 44 45 if(update_src_props) 46 foreach(fn ${sources}) 47 get_filename_component(suf ${fn} EXT) 48 if("${suf}" STREQUAL ".cpp") 49 set_property(SOURCE ${fn} APPEND_STRING PROPERTY 50 COMPILE_FLAGS "${target_compile_flags}") 51 endif() 52 endforeach() 53 else() 54 # Update target props, since all sources are C++. 55 set_property(TARGET ${name} APPEND_STRING PROPERTY 56 COMPILE_FLAGS "${target_compile_flags}") 57 endif() 58 59 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS}) 60endfunction() 61 62function(add_llvm_symbol_exports target_name export_file) 63 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 64 set(native_export_file "${target_name}.exports") 65 add_custom_command(OUTPUT ${native_export_file} 66 COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file} 67 DEPENDS ${export_file} 68 VERBATIM 69 COMMENT "Creating export file for ${target_name}") 70 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 71 LINK_FLAGS " -Wl,-exported_symbols_list,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 72 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT) 73 # Gold and BFD ld require a version script rather than a plain list. 74 set(native_export_file "${target_name}.exports") 75 # FIXME: Don't write the "local:" line on OpenBSD. 76 add_custom_command(OUTPUT ${native_export_file} 77 COMMAND echo "{" > ${native_export_file} 78 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || : 79 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file} 80 COMMAND echo " local: *;" >> ${native_export_file} 81 COMMAND echo "};" >> ${native_export_file} 82 DEPENDS ${export_file} 83 VERBATIM 84 COMMENT "Creating export file for ${target_name}") 85 if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 86 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 87 LINK_FLAGS " -Wl,-M,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 88 else() 89 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 90 LINK_FLAGS " -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 91 endif() 92 else() 93 set(native_export_file "${target_name}.def") 94 95 add_custom_command(OUTPUT ${native_export_file} 96 COMMAND ${PYTHON_EXECUTABLE} -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))" 97 < ${export_file} > ${native_export_file} 98 DEPENDS ${export_file} 99 VERBATIM 100 COMMENT "Creating export file for ${target_name}") 101 set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 102 if(MSVC) 103 set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"") 104 endif() 105 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 106 LINK_FLAGS " ${export_file_linker_flag}") 107 endif() 108 109 add_custom_target(${target_name}_exports DEPENDS ${native_export_file}) 110 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc") 111 112 get_property(srcs TARGET ${target_name} PROPERTY SOURCES) 113 foreach(src ${srcs}) 114 get_filename_component(extension ${src} EXT) 115 if(extension STREQUAL ".cpp") 116 set(first_source_file ${src}) 117 break() 118 endif() 119 endforeach() 120 121 # Force re-linking when the exports file changes. Actually, it 122 # forces recompilation of the source file. The LINK_DEPENDS target 123 # property only works for makefile-based generators. 124 # FIXME: This is not safe because this will create the same target 125 # ${native_export_file} in several different file: 126 # - One where we emitted ${target_name}_exports 127 # - One where we emitted the build command for the following object. 128 # set_property(SOURCE ${first_source_file} APPEND PROPERTY 129 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}) 130 131 set_property(DIRECTORY APPEND 132 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file}) 133 134 add_dependencies(${target_name} ${target_name}_exports) 135 136 # Add dependency to *_exports later -- CMake issue 14747 137 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports) 138 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE) 139endfunction(add_llvm_symbol_exports) 140 141if(NOT WIN32 AND NOT APPLE) 142 execute_process( 143 COMMAND ${CMAKE_C_COMPILER} -Wl,--version 144 OUTPUT_VARIABLE stdout 145 ERROR_QUIET 146 ) 147 if("${stdout}" MATCHES "GNU gold") 148 set(LLVM_LINKER_IS_GOLD ON) 149 endif() 150endif() 151 152function(add_link_opts target_name) 153 # Don't use linker optimizations in debug builds since it slows down the 154 # linker in a context where the optimizations are not important. 155 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") 156 157 # Pass -O3 to the linker. This enabled different optimizations on different 158 # linkers. 159 if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin|SunOS" OR WIN32)) 160 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 161 LINK_FLAGS " -Wl,-O3") 162 endif() 163 164 if(LLVM_LINKER_IS_GOLD) 165 # With gold gc-sections is always safe. 166 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 167 LINK_FLAGS " -Wl,--gc-sections") 168 # Note that there is a bug with -Wl,--icf=safe so it is not safe 169 # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704. 170 endif() 171 172 if(NOT LLVM_NO_DEAD_STRIP) 173 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 174 # ld64's implementation of -dead_strip breaks tools that use plugins. 175 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 176 LINK_FLAGS " -Wl,-dead_strip") 177 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 178 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 179 LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections") 180 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD) 181 # Object files are compiled with -ffunction-data-sections. 182 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks 183 # tools that use plugins. Always pass --gc-sections once we require 184 # a newer linker. 185 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 186 LINK_FLAGS " -Wl,--gc-sections") 187 endif() 188 endif() 189 endif() 190endfunction(add_link_opts) 191 192# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. 193# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, 194# or a certain builder, for eaxample, msbuild.exe, would be confused. 195function(set_output_directory target) 196 cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR" "" ${ARGN}) 197 198 # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. 199 # It affects output of add_library(MODULE). 200 if(WIN32 OR CYGWIN) 201 # DLL platform 202 set(module_dir ${ARG_BINARY_DIR}) 203 else() 204 set(module_dir ${ARG_LIBRARY_DIR}) 205 endif() 206 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") 207 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 208 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 209 if(ARG_BINARY_DIR) 210 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR}) 211 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) 212 endif() 213 if(ARG_LIBRARY_DIR) 214 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR}) 215 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) 216 endif() 217 if(module_dir) 218 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir}) 219 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) 220 endif() 221 endforeach() 222 else() 223 if(ARG_BINARY_DIR) 224 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR}) 225 endif() 226 if(ARG_LIBRARY_DIR) 227 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR}) 228 endif() 229 if(module_dir) 230 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir}) 231 endif() 232 endif() 233endfunction() 234 235# If on Windows and building with MSVC, add the resource script containing the 236# VERSIONINFO data to the project. This embeds version resource information 237# into the output .exe or .dll. 238# TODO: Enable for MinGW Windows builds too. 239# 240function(add_windows_version_resource_file OUT_VAR) 241 set(sources ${ARGN}) 242 if (MSVC) 243 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc) 244 if(EXISTS ${resource_file}) 245 set(sources ${sources} ${resource_file}) 246 source_group("Resource Files" ${resource_file}) 247 set(windows_resource_file ${resource_file} PARENT_SCOPE) 248 endif() 249 endif(MSVC) 250 251 set(${OUT_VAR} ${sources} PARENT_SCOPE) 252endfunction(add_windows_version_resource_file) 253 254# set_windows_version_resource_properties(name resource_file... 255# VERSION_MAJOR int 256# Optional major version number (defaults to LLVM_VERSION_MAJOR) 257# VERSION_MINOR int 258# Optional minor version number (defaults to LLVM_VERSION_MINOR) 259# VERSION_PATCHLEVEL int 260# Optional patchlevel version number (defaults to LLVM_VERSION_PATCH) 261# VERSION_STRING 262# Optional version string (defaults to PACKAGE_VERSION) 263# PRODUCT_NAME 264# Optional product name string (defaults to "LLVM") 265# ) 266function(set_windows_version_resource_properties name resource_file) 267 cmake_parse_arguments(ARG 268 "" 269 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME" 270 "" 271 ${ARGN}) 272 273 if (NOT DEFINED ARG_VERSION_MAJOR) 274 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 275 endif() 276 277 if (NOT DEFINED ARG_VERSION_MINOR) 278 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR}) 279 endif() 280 281 if (NOT DEFINED ARG_VERSION_PATCHLEVEL) 282 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH}) 283 endif() 284 285 if (NOT DEFINED ARG_VERSION_STRING) 286 set(ARG_VERSION_STRING ${PACKAGE_VERSION}) 287 endif() 288 289 if (NOT DEFINED ARG_PRODUCT_NAME) 290 set(ARG_PRODUCT_NAME "LLVM") 291 endif() 292 293 set_property(SOURCE ${resource_file} 294 PROPERTY COMPILE_FLAGS /nologo) 295 set_property(SOURCE ${resource_file} 296 PROPERTY COMPILE_DEFINITIONS 297 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}" 298 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}" 299 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}" 300 "RC_VERSION_FIELD_4=0" 301 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\"" 302 "RC_INTERNAL_NAME=\"${name}\"" 303 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\"" 304 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"") 305endfunction(set_windows_version_resource_properties) 306 307# llvm_add_library(name sources... 308# SHARED;STATIC 309# STATIC by default w/o BUILD_SHARED_LIBS. 310# SHARED by default w/ BUILD_SHARED_LIBS. 311# OBJECT 312# Also create an OBJECT library target. Default if STATIC && SHARED. 313# MODULE 314# Target ${name} might not be created on unsupported platforms. 315# Check with "if(TARGET ${name})". 316# DISABLE_LLVM_LINK_LLVM_DYLIB 317# Do not link this library to libLLVM, even if 318# LLVM_LINK_LLVM_DYLIB is enabled. 319# OUTPUT_NAME name 320# Corresponds to OUTPUT_NAME in target properties. 321# DEPENDS targets... 322# Same semantics as add_dependencies(). 323# LINK_COMPONENTS components... 324# Same as the variable LLVM_LINK_COMPONENTS. 325# LINK_LIBS lib_targets... 326# Same semantics as target_link_libraries(). 327# ADDITIONAL_HEADERS 328# May specify header files for IDE generators. 329# SONAME 330# Should set SONAME link flags and create symlinks 331# PLUGIN_TOOL 332# The tool (i.e. cmake target) that this plugin will link against 333# ) 334function(llvm_add_library name) 335 cmake_parse_arguments(ARG 336 "MODULE;SHARED;STATIC;OBJECT;DISABLE_LLVM_LINK_LLVM_DYLIB;SONAME" 337 "OUTPUT_NAME;PLUGIN_TOOL" 338 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 339 ${ARGN}) 340 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 341 if(ARG_ADDITIONAL_HEADERS) 342 # Pass through ADDITIONAL_HEADERS. 343 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 344 endif() 345 if(ARG_OBJLIBS) 346 set(ALL_FILES ${ARG_OBJLIBS}) 347 else() 348 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 349 endif() 350 351 if(ARG_MODULE) 352 if(ARG_SHARED OR ARG_STATIC) 353 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 354 endif() 355 # Plugins that link against a tool are allowed even when plugins in general are not 356 if(NOT LLVM_ENABLE_PLUGINS AND NOT (ARG_PLUGIN_TOOL AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS)) 357 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 358 return() 359 endif() 360 else() 361 if(ARG_PLUGIN_TOOL) 362 message(WARNING "PLUGIN_TOOL without MODULE doesn't make sense.") 363 endif() 364 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 365 set(ARG_SHARED TRUE) 366 endif() 367 if(NOT ARG_SHARED) 368 set(ARG_STATIC TRUE) 369 endif() 370 endif() 371 372 # Generate objlib 373 if((ARG_SHARED AND ARG_STATIC) OR ARG_OBJECT) 374 # Generate an obj library for both targets. 375 set(obj_name "obj.${name}") 376 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 377 ${ALL_FILES} 378 ) 379 llvm_update_compile_flags(${obj_name}) 380 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 381 382 # Do add_dependencies(obj) later due to CMake issue 14747. 383 list(APPEND objlibs ${obj_name}) 384 385 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 386 endif() 387 388 if(ARG_SHARED AND ARG_STATIC) 389 # static 390 set(name_static "${name}_static") 391 if(ARG_OUTPUT_NAME) 392 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 393 endif() 394 # DEPENDS has been appended to LLVM_COMMON_LIBS. 395 llvm_add_library(${name_static} STATIC 396 ${output_name} 397 OBJLIBS ${ALL_FILES} # objlib 398 LINK_LIBS ${ARG_LINK_LIBS} 399 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 400 ) 401 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 402 set(ARG_STATIC) 403 endif() 404 405 if(ARG_MODULE) 406 add_library(${name} MODULE ${ALL_FILES}) 407 elseif(ARG_SHARED) 408 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 409 add_library(${name} SHARED ${ALL_FILES}) 410 else() 411 add_library(${name} STATIC ${ALL_FILES}) 412 endif() 413 414 if(DEFINED windows_resource_file) 415 set_windows_version_resource_properties(${name} ${windows_resource_file}) 416 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE) 417 endif() 418 419 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 420 # $<TARGET_OBJECTS> doesn't require compile flags. 421 if(NOT obj_name) 422 llvm_update_compile_flags(${name}) 423 endif() 424 add_link_opts( ${name} ) 425 if(ARG_OUTPUT_NAME) 426 set_target_properties(${name} 427 PROPERTIES 428 OUTPUT_NAME ${ARG_OUTPUT_NAME} 429 ) 430 endif() 431 432 if(ARG_MODULE) 433 set_target_properties(${name} PROPERTIES 434 PREFIX "" 435 SUFFIX ${LLVM_PLUGIN_EXT} 436 ) 437 endif() 438 439 if(ARG_SHARED) 440 if(WIN32) 441 set_target_properties(${name} PROPERTIES 442 PREFIX "" 443 ) 444 endif() 445 endif() 446 447 if(ARG_MODULE OR ARG_SHARED) 448 # Do not add -Dname_EXPORTS to the command-line when building files in this 449 # target. Doing so is actively harmful for the modules build because it 450 # creates extra module variants, and not useful because we don't use these 451 # macros. 452 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 453 454 if (LLVM_EXPORTED_SYMBOL_FILE) 455 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 456 endif() 457 endif() 458 459 if(ARG_SHARED AND UNIX) 460 if(NOT APPLE AND ARG_SONAME) 461 get_target_property(output_name ${name} OUTPUT_NAME) 462 if(${output_name} STREQUAL "output_name-NOTFOUND") 463 set(output_name ${name}) 464 endif() 465 set(library_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}${LLVM_VERSION_SUFFIX}) 466 set(api_name ${output_name}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) 467 set_target_properties(${name} PROPERTIES OUTPUT_NAME ${library_name}) 468 llvm_install_library_symlink(${api_name} ${library_name} SHARED 469 COMPONENT ${name} 470 ALWAYS_GENERATE) 471 llvm_install_library_symlink(${output_name} ${library_name} SHARED 472 COMPONENT ${name} 473 ALWAYS_GENERATE) 474 endif() 475 endif() 476 477 if(ARG_MODULE AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS AND ARG_PLUGIN_TOOL AND (WIN32 OR CYGWIN)) 478 # On DLL platforms symbols are imported from the tool by linking against it. 479 set(llvm_libs ${ARG_PLUGIN_TOOL}) 480 elseif (DEFINED LLVM_LINK_COMPONENTS OR DEFINED ARG_LINK_COMPONENTS) 481 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 482 set(llvm_libs LLVM) 483 else() 484 llvm_map_components_to_libnames(llvm_libs 485 ${ARG_LINK_COMPONENTS} 486 ${LLVM_LINK_COMPONENTS} 487 ) 488 endif() 489 else() 490 # Components have not been defined explicitly in CMake, so add the 491 # dependency information for this library as defined by LLVMBuild. 492 # 493 # It would be nice to verify that we have the dependencies for this library 494 # name, but using get_property(... SET) doesn't suffice to determine if a 495 # property has been set to an empty value. 496 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) 497 endif() 498 499 if(CMAKE_VERSION VERSION_LESS 2.8.12) 500 # Link libs w/o keywords, assuming PUBLIC. 501 target_link_libraries(${name} 502 ${ARG_LINK_LIBS} 503 ${lib_deps} 504 ${llvm_libs} 505 ) 506 elseif(ARG_STATIC) 507 target_link_libraries(${name} INTERFACE 508 ${ARG_LINK_LIBS} 509 ${lib_deps} 510 ${llvm_libs} 511 ) 512 else() 513 # We can use PRIVATE since SO knows its dependent libs. 514 target_link_libraries(${name} PRIVATE 515 ${ARG_LINK_LIBS} 516 ${lib_deps} 517 ${llvm_libs} 518 ) 519 endif() 520 521 if(LLVM_COMMON_DEPENDS) 522 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 523 # Add dependencies also to objlibs. 524 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 525 foreach(objlib ${objlibs}) 526 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 527 endforeach() 528 endif() 529 530 if(ARG_SHARED OR ARG_MODULE) 531 llvm_externalize_debuginfo(${name}) 532 endif() 533endfunction() 534 535macro(add_llvm_library name) 536 cmake_parse_arguments(ARG 537 "SHARED" 538 "" 539 "" 540 ${ARGN}) 541 if( BUILD_SHARED_LIBS ) 542 llvm_add_library(${name} SHARED ${ARGN}) 543 else() 544 llvm_add_library(${name} ${ARGN}) 545 endif() 546 # The gtest libraries should not be installed or exported as a target 547 if ("${name}" STREQUAL gtest OR "${name}" STREQUAL gtest_main) 548 set(_is_gtest TRUE) 549 else() 550 set(_is_gtest FALSE) 551 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 552 endif() 553 554 if( EXCLUDE_FROM_ALL ) 555 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 556 elseif(NOT _is_gtest) 557 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO") 558 set(install_dir lib${LLVM_LIBDIR_SUFFIX}) 559 if(ARG_SHARED OR BUILD_SHARED_LIBS) 560 if(WIN32 OR CYGWIN OR MINGW) 561 set(install_type RUNTIME) 562 set(install_dir bin) 563 else() 564 set(install_type LIBRARY) 565 endif() 566 else() 567 set(install_type ARCHIVE) 568 endif() 569 570 install(TARGETS ${name} 571 EXPORT LLVMExports 572 ${install_type} DESTINATION ${install_dir} 573 COMPONENT ${name}) 574 575 if (NOT CMAKE_CONFIGURATION_TYPES) 576 add_custom_target(install-${name} 577 DEPENDS ${name} 578 COMMAND "${CMAKE_COMMAND}" 579 -DCMAKE_INSTALL_COMPONENT=${name} 580 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 581 endif() 582 endif() 583 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 584 endif() 585 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 586endmacro(add_llvm_library name) 587 588macro(add_llvm_loadable_module name) 589 llvm_add_library(${name} MODULE ${ARGN}) 590 if(NOT TARGET ${name}) 591 # Add empty "phony" target 592 add_custom_target(${name}) 593 else() 594 if( EXCLUDE_FROM_ALL ) 595 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 596 else() 597 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 598 if(WIN32 OR CYGWIN) 599 # DLL platform 600 set(dlldir "bin") 601 else() 602 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}") 603 endif() 604 install(TARGETS ${name} 605 EXPORT LLVMExports 606 LIBRARY DESTINATION ${dlldir} 607 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}) 608 endif() 609 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 610 endif() 611 endif() 612 613 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 614endmacro(add_llvm_loadable_module name) 615 616 617macro(add_llvm_executable name) 618 cmake_parse_arguments(ARG "DISABLE_LLVM_LINK_LLVM_DYLIB;IGNORE_EXTERNALIZE_DEBUGINFO" "" "" ${ARGN}) 619 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ) 620 621 # Generate objlib 622 if(LLVM_ENABLE_OBJLIB) 623 # Generate an obj library for both targets. 624 set(obj_name "obj.${name}") 625 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 626 ${ALL_FILES} 627 ) 628 llvm_update_compile_flags(${obj_name}) 629 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 630 631 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 632 endif() 633 634 add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) 635 636 if(XCODE) 637 # Note: the dummy.cpp source file provides no definitions. However, 638 # it forces Xcode to properly link the static library. 639 list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp") 640 endif() 641 642 if( EXCLUDE_FROM_ALL ) 643 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 644 else() 645 add_executable(${name} ${ALL_FILES}) 646 endif() 647 648 if(DEFINED windows_resource_file) 649 set_windows_version_resource_properties(${name} ${windows_resource_file}) 650 endif() 651 652 # $<TARGET_OBJECTS> doesn't require compile flags. 653 if(NOT LLVM_ENABLE_OBJLIB) 654 llvm_update_compile_flags(${name}) 655 endif() 656 add_link_opts( ${name} ) 657 658 # Do not add -Dname_EXPORTS to the command-line when building files in this 659 # target. Doing so is actively harmful for the modules build because it 660 # creates extra module variants, and not useful because we don't use these 661 # macros. 662 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 663 664 if (LLVM_EXPORTED_SYMBOL_FILE) 665 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 666 endif(LLVM_EXPORTED_SYMBOL_FILE) 667 668 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) 669 set(USE_SHARED USE_SHARED) 670 endif() 671 672 set(EXCLUDE_FROM_ALL OFF) 673 set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 674 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} ) 675 if( LLVM_COMMON_DEPENDS ) 676 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 677 endif( LLVM_COMMON_DEPENDS ) 678 679 if(NOT ARG_IGNORE_EXTERNALIZE_DEBUGINFO) 680 llvm_externalize_debuginfo(${name}) 681 endif() 682endmacro(add_llvm_executable name) 683 684function(export_executable_symbols target) 685 if (LLVM_EXPORTED_SYMBOL_FILE) 686 # The symbol file should contain the symbols we want the executable to 687 # export 688 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 689 elseif (LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) 690 # Extract the symbols to export from the static libraries that the 691 # executable links against. 692 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 693 set(exported_symbol_file ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${target}.symbols) 694 # We need to consider not just the direct link dependencies, but also the 695 # transitive link dependencies. Do this by starting with the set of direct 696 # dependencies, then the dependencies of those dependencies, and so on. 697 get_target_property(new_libs ${target} LINK_LIBRARIES) 698 set(link_libs ${new_libs}) 699 while(NOT "${new_libs}" STREQUAL "") 700 foreach(lib ${new_libs}) 701 get_target_property(lib_type ${lib} TYPE) 702 if("${lib_type}" STREQUAL "STATIC_LIBRARY") 703 list(APPEND static_libs ${lib}) 704 else() 705 list(APPEND other_libs ${lib}) 706 endif() 707 get_target_property(transitive_libs ${lib} INTERFACE_LINK_LIBRARIES) 708 foreach(transitive_lib ${transitive_libs}) 709 list(FIND link_libs ${transitive_lib} idx) 710 if(TARGET ${transitive_lib} AND idx EQUAL -1) 711 list(APPEND newer_libs ${transitive_lib}) 712 list(APPEND link_libs ${transitive_lib}) 713 endif() 714 endforeach(transitive_lib) 715 endforeach(lib) 716 set(new_libs ${newer_libs}) 717 set(newer_libs "") 718 endwhile() 719 if (MSVC) 720 set(mangling microsoft) 721 else() 722 set(mangling itanium) 723 endif() 724 add_custom_command(OUTPUT ${exported_symbol_file} 725 COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py --mangling=${mangling} ${static_libs} -o ${exported_symbol_file} 726 WORKING_DIRECTORY ${LLVM_LIBRARY_OUTPUT_INTDIR} 727 DEPENDS ${LLVM_MAIN_SRC_DIR}/utils/extract_symbols.py ${static_libs} 728 VERBATIM 729 COMMENT "Generating export list for ${target}") 730 add_llvm_symbol_exports( ${target} ${exported_symbol_file} ) 731 # If something links against this executable then we want a 732 # transitive link against only the libraries whose symbols 733 # we aren't exporting. 734 set_target_properties(${target} PROPERTIES INTERFACE_LINK_LIBRARIES "${other_libs}") 735 # The default import library suffix that cmake uses for cygwin/mingw is 736 # ".dll.a", but for clang.exe that causes a collision with libclang.dll, 737 # where the import libraries of both get named libclang.dll.a. Use a suffix 738 # of ".exe.a" to avoid this. 739 if(CYGWIN OR MINGW) 740 set_target_properties(${target} PROPERTIES IMPORT_SUFFIX ".exe.a") 741 endif() 742 elseif(NOT (WIN32 OR CYGWIN)) 743 # On Windows auto-exporting everything doesn't work because of the limit on 744 # the size of the exported symbol table, but on other platforms we can do 745 # it without any trouble. 746 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) 747 if (APPLE) 748 set_property(TARGET ${target} APPEND_STRING PROPERTY 749 LINK_FLAGS " -rdynamic") 750 endif() 751 endif() 752endfunction() 753 754if(NOT LLVM_TOOLCHAIN_TOOLS) 755 set (LLVM_TOOLCHAIN_TOOLS 756 llvm-ar 757 llvm-ranlib 758 llvm-lib 759 llvm-objdump 760 ) 761endif() 762 763macro(add_llvm_tool name) 764 if( NOT LLVM_BUILD_TOOLS ) 765 set(EXCLUDE_FROM_ALL ON) 766 endif() 767 add_llvm_executable(${name} ${ARGN}) 768 769 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL) 770 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 771 if( LLVM_BUILD_TOOLS ) 772 install(TARGETS ${name} 773 EXPORT LLVMExports 774 RUNTIME DESTINATION bin 775 COMPONENT ${name}) 776 777 if (NOT CMAKE_CONFIGURATION_TYPES) 778 add_custom_target(install-${name} 779 DEPENDS ${name} 780 COMMAND "${CMAKE_COMMAND}" 781 -DCMAKE_INSTALL_COMPONENT=${name} 782 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 783 endif() 784 endif() 785 endif() 786 if( LLVM_BUILD_TOOLS ) 787 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 788 endif() 789 set_target_properties(${name} PROPERTIES FOLDER "Tools") 790endmacro(add_llvm_tool name) 791 792 793macro(add_llvm_example name) 794 if( NOT LLVM_BUILD_EXAMPLES ) 795 set(EXCLUDE_FROM_ALL ON) 796 endif() 797 add_llvm_executable(${name} ${ARGN}) 798 if( LLVM_BUILD_EXAMPLES ) 799 install(TARGETS ${name} RUNTIME DESTINATION examples) 800 endif() 801 set_target_properties(${name} PROPERTIES FOLDER "Examples") 802endmacro(add_llvm_example name) 803 804 805macro(add_llvm_utility name) 806 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) 807 set_target_properties(${name} PROPERTIES FOLDER "Utils") 808 if( LLVM_INSTALL_UTILS ) 809 install (TARGETS ${name} 810 RUNTIME DESTINATION bin 811 COMPONENT ${name}) 812 if (NOT CMAKE_CONFIGURATION_TYPES) 813 add_custom_target(install-${name} 814 DEPENDS ${name} 815 COMMAND "${CMAKE_COMMAND}" 816 -DCMAKE_INSTALL_COMPONENT=${name} 817 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 818 endif() 819 endif() 820endmacro(add_llvm_utility name) 821 822 823macro(add_llvm_target target_name) 824 include_directories(BEFORE 825 ${CMAKE_CURRENT_BINARY_DIR} 826 ${CMAKE_CURRENT_SOURCE_DIR}) 827 add_llvm_library(LLVM${target_name} ${ARGN}) 828 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 829endmacro(add_llvm_target) 830 831function(canonicalize_tool_name name output) 832 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name}) 833 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip}) 834 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 835 set(${output} "${nameUPPER}" PARENT_SCOPE) 836endfunction(canonicalize_tool_name) 837 838# Custom add_subdirectory wrapper 839# Takes in a project name (i.e. LLVM), the subdirectory name, and an optional 840# path if it differs from the name. 841macro(add_llvm_subdirectory project type name) 842 set(add_llvm_external_dir "${ARGN}") 843 if("${add_llvm_external_dir}" STREQUAL "") 844 set(add_llvm_external_dir ${name}) 845 endif() 846 canonicalize_tool_name(${name} nameUPPER) 847 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt) 848 # Treat it as in-tree subproject. 849 option(${project}_${type}_${nameUPPER}_BUILD 850 "Whether to build ${name} as part of ${project}" On) 851 mark_as_advanced(${project}_${type}_${name}_BUILD) 852 if(${project}_${type}_${nameUPPER}_BUILD) 853 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir}) 854 # Don't process it in add_llvm_implicit_projects(). 855 set(${project}_${type}_${nameUPPER}_BUILD OFF) 856 endif() 857 else() 858 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR 859 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" 860 CACHE PATH "Path to ${name} source directory") 861 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT ON) 862 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 863 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF) 864 endif() 865 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF") 866 set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF) 867 endif() 868 option(${project}_${type}_${nameUPPER}_BUILD 869 "Whether to build ${name} as part of LLVM" 870 ${${project}_${type}_${nameUPPER}_BUILD_DEFAULT}) 871 if (${project}_${type}_${nameUPPER}_BUILD) 872 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) 873 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 874 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "") 875 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}") 876 endif() 877 # FIXME: It'd be redundant. 878 set(${project}_${type}_${nameUPPER}_BUILD Off) 879 endif() 880 endif() 881endmacro() 882 883# Add external project that may want to be built as part of llvm such as Clang, 884# lld, and Polly. This adds two options. One for the source directory of the 885# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 886# enable or disable building it with everything else. 887# Additional parameter can be specified as the name of directory. 888macro(add_llvm_external_project name) 889 add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN}) 890endmacro() 891 892macro(add_llvm_tool_subdirectory name) 893 add_llvm_external_project(${name}) 894endmacro(add_llvm_tool_subdirectory) 895 896function(get_project_name_from_src_var var output) 897 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" 898 MACHED_TOOL "${var}") 899 if(MACHED_TOOL) 900 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE) 901 else() 902 set(${output} PARENT_SCOPE) 903 endif() 904endfunction() 905 906function(create_subdirectory_options project type) 907 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 908 foreach(dir ${sub-dirs}) 909 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 910 canonicalize_tool_name(${dir} name) 911 option(${project}_${type}_${name}_BUILD 912 "Whether to build ${name} as part of ${project}" On) 913 mark_as_advanced(${project}_${type}_${name}_BUILD) 914 endif() 915 endforeach() 916endfunction(create_subdirectory_options) 917 918function(create_llvm_tool_options) 919 create_subdirectory_options(LLVM TOOL) 920endfunction(create_llvm_tool_options) 921 922function(llvm_add_implicit_projects project) 923 set(list_of_implicit_subdirs "") 924 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 925 foreach(dir ${sub-dirs}) 926 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") 927 canonicalize_tool_name(${dir} name) 928 if (${project}_TOOL_${name}_BUILD) 929 get_filename_component(fn "${dir}" NAME) 930 list(APPEND list_of_implicit_subdirs "${fn}") 931 endif() 932 endif() 933 endforeach() 934 935 foreach(external_proj ${list_of_implicit_subdirs}) 936 add_llvm_subdirectory(${project} TOOL "${external_proj}" ${ARGN}) 937 endforeach() 938endfunction(llvm_add_implicit_projects) 939 940function(add_llvm_implicit_projects) 941 llvm_add_implicit_projects(LLVM) 942endfunction(add_llvm_implicit_projects) 943 944# Generic support for adding a unittest. 945function(add_unittest test_suite test_name) 946 if( NOT LLVM_BUILD_TESTS ) 947 set(EXCLUDE_FROM_ALL ON) 948 endif() 949 950 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) 951 if (NOT LLVM_ENABLE_THREADS) 952 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) 953 endif () 954 955 if (SUPPORTS_NO_VARIADIC_MACROS_FLAG) 956 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 957 endif () 958 959 set(LLVM_REQUIRES_RTTI OFF) 960 961 list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream 962 add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO ${ARGN}) 963 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 964 set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) 965 target_link_libraries(${test_name} gtest_main gtest) 966 967 add_dependencies(${test_suite} ${test_name}) 968 get_target_property(test_suite_folder ${test_suite} FOLDER) 969 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND") 970 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 971 endif () 972endfunction() 973 974function(llvm_add_go_executable binary pkgpath) 975 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN}) 976 977 if(LLVM_BINDINGS MATCHES "go") 978 # FIXME: This should depend only on the libraries Go needs. 979 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS) 980 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX}) 981 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 982 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 983 set(cppflags "") 984 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES) 985 foreach(d ${include_dirs}) 986 set(cppflags "${cppflags} -I${d}") 987 endforeach(d) 988 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}") 989 add_custom_command(OUTPUT ${binpath} 990 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" 991 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath} 992 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX} 993 ${llvmlibs} ${ARG_DEPENDS} 994 COMMENT "Building Go executable ${binary}" 995 VERBATIM) 996 if (ARG_ALL) 997 add_custom_target(${binary} ALL DEPENDS ${binpath}) 998 else() 999 add_custom_target(${binary} DEPENDS ${binpath}) 1000 endif() 1001 endif() 1002endfunction() 1003 1004# This function provides an automatic way to 'configure'-like generate a file 1005# based on a set of common and custom variables, specifically targeting the 1006# variables needed for the 'lit.site.cfg' files. This function bundles the 1007# common variables that any Lit instance is likely to need, and custom 1008# variables can be passed in. 1009function(configure_lit_site_cfg input output) 1010 foreach(c ${LLVM_TARGETS_TO_BUILD}) 1011 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 1012 endforeach(c) 1013 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 1014 1015 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 1016 1017 # Configuration-time: See Unit/lit.site.cfg.in 1018 if (CMAKE_CFG_INTDIR STREQUAL ".") 1019 set(LLVM_BUILD_MODE ".") 1020 else () 1021 set(LLVM_BUILD_MODE "%(build_mode)s") 1022 endif () 1023 1024 # They below might not be the build tree but provided binary tree. 1025 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 1026 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 1027 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR}) 1028 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR}) 1029 1030 # SHLIBDIR points the build tree. 1031 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 1032 1033 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE}) 1034 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 1035 # plugins. We may rename it. 1036 if(LLVM_ENABLE_PLUGINS) 1037 set(ENABLE_SHARED "1") 1038 else() 1039 set(ENABLE_SHARED "0") 1040 endif() 1041 1042 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 1043 set(ENABLE_ASSERTIONS "1") 1044 else() 1045 set(ENABLE_ASSERTIONS "0") 1046 endif() 1047 1048 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 1049 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 1050 1051 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 1052 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 1053 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 1054 1055 set(LIT_SITE_CFG_IN_HEADER "## Autogenerated from ${input}\n## Do not edit!") 1056 1057 configure_file(${input} ${output} @ONLY) 1058endfunction() 1059 1060# A raw function to create a lit target. This is used to implement the testuite 1061# management functions. 1062function(add_lit_target target comment) 1063 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1064 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 1065 separate_arguments(LIT_ARGS) 1066 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 1067 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 1068 endif () 1069 if (LLVM_MAIN_SRC_DIR) 1070 set (LIT_COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) 1071 else() 1072 find_program(LIT_COMMAND llvm-lit) 1073 endif () 1074 list(APPEND LIT_COMMAND ${LIT_ARGS}) 1075 foreach(param ${ARG_PARAMS}) 1076 list(APPEND LIT_COMMAND --param ${param}) 1077 endforeach() 1078 if (ARG_UNPARSED_ARGUMENTS) 1079 add_custom_target(${target} 1080 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS} 1081 COMMENT "${comment}" 1082 ${cmake_3_2_USES_TERMINAL} 1083 ) 1084 else() 1085 add_custom_target(${target} 1086 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 1087 message(STATUS "${target} does nothing.") 1088 endif() 1089 if (ARG_DEPENDS) 1090 add_dependencies(${target} ${ARG_DEPENDS}) 1091 endif() 1092 1093 # Tests should be excluded from "Build Solution". 1094 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 1095endfunction() 1096 1097# A function to add a set of lit test suites to be driven through 'check-*' targets. 1098function(add_lit_testsuite target comment) 1099 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1100 1101 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 1102 if(NOT EXCLUDE_FROM_ALL) 1103 # Register the testsuites, params and depends for the global check rule. 1104 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS}) 1105 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 1106 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 1107 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 1108 endif() 1109 1110 # Produce a specific suffixed check rule. 1111 add_lit_target(${target} ${comment} 1112 ${ARG_UNPARSED_ARGUMENTS} 1113 PARAMS ${ARG_PARAMS} 1114 DEPENDS ${ARG_DEPENDS} 1115 ARGS ${ARG_ARGS} 1116 ) 1117endfunction() 1118 1119function(add_lit_testsuites project directory) 1120 if (NOT CMAKE_CONFIGURATION_TYPES) 1121 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) 1122 1123 # Search recursively for test directories by assuming anything not 1124 # in a directory called Inputs contains tests. 1125 set(lit_suites) 1126 file(GLOB to_process ${directory}/*) 1127 while(to_process) 1128 set(cur_to_process ${to_process}) 1129 set(to_process) 1130 foreach(lit_suite ${cur_to_process}) 1131 if(IS_DIRECTORY ${lit_suite}) 1132 string(FIND ${lit_suite} Inputs is_inputs) 1133 if (is_inputs EQUAL -1) 1134 list(APPEND lit_suites "${lit_suite}") 1135 file(GLOB subdirs ${lit_suite}/*) 1136 list(APPEND to_process ${subdirs}) 1137 endif() 1138 endif() 1139 endforeach() 1140 endwhile() 1141 1142 # Now create a check- target for each test directory. 1143 foreach(dir ${lit_suites}) 1144 string(REPLACE ${directory} "" name_slash ${dir}) 1145 if (name_slash) 1146 string(REPLACE "/" "-" name_slash ${name_slash}) 1147 string(REPLACE "\\" "-" name_dashes ${name_slash}) 1148 string(TOLOWER "${project}${name_dashes}" name_var) 1149 add_lit_target("check-${name_var}" "Running lit suite ${dir}" 1150 ${dir} 1151 PARAMS ${ARG_PARAMS} 1152 DEPENDS ${ARG_DEPENDS} 1153 ARGS ${ARG_ARGS} 1154 ) 1155 endif() 1156 endforeach() 1157 endif() 1158endfunction() 1159 1160function(llvm_install_library_symlink name dest type) 1161 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "COMPONENT" "" ${ARGN}) 1162 foreach(path ${CMAKE_MODULE_PATH}) 1163 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1164 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1165 break() 1166 endif() 1167 endforeach() 1168 1169 set(component ${ARG_COMPONENT}) 1170 if(NOT component) 1171 set(component ${name}) 1172 endif() 1173 1174 set(full_name ${CMAKE_${type}_LIBRARY_PREFIX}${name}${CMAKE_${type}_LIBRARY_SUFFIX}) 1175 set(full_dest ${CMAKE_${type}_LIBRARY_PREFIX}${dest}${CMAKE_${type}_LIBRARY_SUFFIX}) 1176 1177 set(output_dir lib${LLVM_LIBDIR_SUFFIX}) 1178 if(WIN32 AND "${type}" STREQUAL "SHARED") 1179 set(output_dir bin) 1180 endif() 1181 1182 install(SCRIPT ${INSTALL_SYMLINK} 1183 CODE "install_symlink(${full_name} ${full_dest} ${output_dir})" 1184 COMPONENT ${component}) 1185 1186 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE) 1187 add_custom_target(install-${name} 1188 DEPENDS ${name} ${dest} install-${dest} 1189 COMMAND "${CMAKE_COMMAND}" 1190 -DCMAKE_INSTALL_COMPONENT=${name} 1191 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 1192 endif() 1193endfunction() 1194 1195function(llvm_install_symlink name dest) 1196 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN}) 1197 foreach(path ${CMAKE_MODULE_PATH}) 1198 if(EXISTS ${path}/LLVMInstallSymlink.cmake) 1199 set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) 1200 break() 1201 endif() 1202 endforeach() 1203 1204 if(ARG_ALWAYS_GENERATE) 1205 set(component ${dest}) 1206 else() 1207 set(component ${name}) 1208 endif() 1209 1210 set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX}) 1211 set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX}) 1212 1213 install(SCRIPT ${INSTALL_SYMLINK} 1214 CODE "install_symlink(${full_name} ${full_dest} bin)" 1215 COMPONENT ${component}) 1216 1217 if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE) 1218 add_custom_target(install-${name} 1219 DEPENDS ${name} ${dest} install-${dest} 1220 COMMAND "${CMAKE_COMMAND}" 1221 -DCMAKE_INSTALL_COMPONENT=${name} 1222 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 1223 endif() 1224endfunction() 1225 1226function(add_llvm_tool_symlink name dest) 1227 cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN}) 1228 if(UNIX) 1229 set(LLVM_LINK_OR_COPY create_symlink) 1230 set(dest_binary "${dest}${CMAKE_EXECUTABLE_SUFFIX}") 1231 else() 1232 set(LLVM_LINK_OR_COPY copy) 1233 set(dest_binary "${LLVM_RUNTIME_OUTPUT_INTDIR}/${dest}${CMAKE_EXECUTABLE_SUFFIX}") 1234 endif() 1235 1236 set(output_path "${LLVM_RUNTIME_OUTPUT_INTDIR}/${name}${CMAKE_EXECUTABLE_SUFFIX}") 1237 1238 if(ARG_ALWAYS_GENERATE) 1239 set_property(DIRECTORY APPEND PROPERTY 1240 ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary}) 1241 add_custom_command(TARGET ${dest} POST_BUILD 1242 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}") 1243 else() 1244 add_custom_command(OUTPUT ${output_path} 1245 COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}" 1246 DEPENDS ${dest}) 1247 add_custom_target(${name} ALL DEPENDS ${output_path}) 1248 set_target_properties(${name} PROPERTIES FOLDER Tools) 1249 1250 # Make sure the parent tool is a toolchain tool, otherwise exclude this tool 1251 list(FIND LLVM_TOOLCHAIN_TOOLS ${dest} LLVM_IS_${dest}_TOOLCHAIN_TOOL) 1252 if (NOT LLVM_IS_${dest}_TOOLCHAIN_TOOL GREATER -1) 1253 set(LLVM_IS_${name}_TOOLCHAIN_TOOL ${LLVM_IS_${dest}_TOOLCHAIN_TOOL}) 1254 else() 1255 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL) 1256 endif() 1257 1258 # LLVM_IS_${name}_TOOLCHAIN_TOOL will only be greater than -1 if both this 1259 # tool and its parent tool are in LLVM_TOOLCHAIN_TOOLS 1260 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 1261 if( LLVM_BUILD_TOOLS ) 1262 llvm_install_symlink(${name} ${dest}) 1263 endif() 1264 endif() 1265 endif() 1266endfunction() 1267 1268function(llvm_externalize_debuginfo name) 1269 if(NOT LLVM_EXTERNALIZE_DEBUGINFO) 1270 return() 1271 endif() 1272 1273 if(NOT LLVM_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) 1274 set(strip_command COMMAND xcrun strip -Sxl $<TARGET_FILE:${name}>) 1275 endif() 1276 1277 if(APPLE) 1278 if(CMAKE_CXX_FLAGS MATCHES "-flto" 1279 OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") 1280 1281 set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) 1282 set_property(TARGET ${name} APPEND_STRING PROPERTY 1283 LINK_FLAGS " -Wl,-object_path_lto,${lto_object}") 1284 endif() 1285 add_custom_command(TARGET ${name} POST_BUILD 1286 COMMAND xcrun dsymutil $<TARGET_FILE:${name}> 1287 ${strip_command} 1288 ) 1289 else() 1290 message(FATAL_ERROR "LLVM_EXTERNALIZE_DEBUGINFO isn't implemented for non-darwin platforms!") 1291 endif() 1292endfunction() 1293