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 "type") 89 if(CYGWIN) 90 set(CAT "cat") 91 endif() 92 93 # Using ${export_file} in add_custom_command directly confuses cmd.exe. 94 file(TO_NATIVE_PATH ${export_file} export_file_backslashes) 95 96 add_custom_command(OUTPUT ${native_export_file} 97 COMMAND ${CMAKE_COMMAND} -E echo "EXPORTS" > ${native_export_file} 98 COMMAND ${CAT} ${export_file_backslashes} >> ${native_export_file} 99 DEPENDS ${export_file} 100 VERBATIM 101 COMMENT "Creating export file for ${target_name}") 102 if(CYGWIN OR MINGW) 103 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 104 LINK_FLAGS " ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 105 else() 106 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 107 LINK_FLAGS " /DEF:${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") 108 endif() 109 endif() 110 111 add_custom_target(${target_name}_exports DEPENDS ${native_export_file}) 112 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc") 113 114 get_property(srcs TARGET ${target_name} PROPERTY SOURCES) 115 foreach(src ${srcs}) 116 get_filename_component(extension ${src} EXT) 117 if(extension STREQUAL ".cpp") 118 set(first_source_file ${src}) 119 break() 120 endif() 121 endforeach() 122 123 # Force re-linking when the exports file changes. Actually, it 124 # forces recompilation of the source file. The LINK_DEPENDS target 125 # property only works for makefile-based generators. 126 # FIXME: This is not safe because this will create the same target 127 # ${native_export_file} in several different file: 128 # - One where we emitted ${target_name}_exports 129 # - One where we emitted the build command for the following object. 130 # set_property(SOURCE ${first_source_file} APPEND PROPERTY 131 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}) 132 133 set_property(DIRECTORY APPEND 134 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file}) 135 136 add_dependencies(${target_name} ${target_name}_exports) 137 138 # Add dependency to *_exports later -- CMake issue 14747 139 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports) 140 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE) 141endfunction(add_llvm_symbol_exports) 142 143function(add_dead_strip target_name) 144 if(NOT LLVM_NO_DEAD_STRIP) 145 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 146 # ld64's implementation of -dead_strip breaks tools that use plugins. 147 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 148 LINK_FLAGS " -Wl,-dead_strip") 149 elseif(NOT WIN32) 150 # Object files are compiled with -ffunction-data-sections. 151 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks 152 # tools that use plugins. Always pass --gc-sections once we require 153 # a newer linker. 154 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 155 LINK_FLAGS " -Wl,--gc-sections") 156 endif() 157 endif() 158endfunction(add_dead_strip) 159 160# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. 161# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, 162# or a certain builder, for eaxample, msbuild.exe, would be confused. 163function(set_output_directory target bindir libdir) 164 # Do nothing if *_OUTPUT_INTDIR is empty. 165 if("${bindir}" STREQUAL "") 166 return() 167 endif() 168 169 # moddir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. 170 # It affects output of add_library(MODULE). 171 if(WIN32 OR CYGWIN) 172 # DLL platform 173 set(moddir ${bindir}) 174 else() 175 set(moddir ${libdir}) 176 endif() 177 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") 178 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) 179 string(TOUPPER "${build_mode}" CONFIG_SUFFIX) 180 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${bindir}) 181 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${libdir}) 182 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${moddir}) 183 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) 184 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) 185 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) 186 endforeach() 187 else() 188 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${bindir}) 189 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${libdir}) 190 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${moddir}) 191 endif() 192endfunction() 193 194# llvm_add_library(name sources... 195# SHARED;STATIC 196# STATIC by default w/o BUILD_SHARED_LIBS. 197# SHARED by default w/ BUILD_SHARED_LIBS. 198# MODULE 199# Target ${name} might not be created on unsupported platforms. 200# Check with "if(TARGET ${name})". 201# OUTPUT_NAME name 202# Corresponds to OUTPUT_NAME in target properties. 203# DEPENDS targets... 204# Same semantics as add_dependencies(). 205# LINK_COMPONENTS components... 206# Same as the variable LLVM_LINK_COMPONENTS. 207# LINK_LIBS lib_targets... 208# Same semantics as target_link_libraries(). 209# ADDITIONAL_HEADERS 210# May specify header files for IDE generators. 211# ) 212function(llvm_add_library name) 213 cmake_parse_arguments(ARG 214 "MODULE;SHARED;STATIC" 215 "OUTPUT_NAME" 216 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" 217 ${ARGN}) 218 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) 219 if(ARG_ADDITIONAL_HEADERS) 220 # Pass through ADDITIONAL_HEADERS. 221 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) 222 endif() 223 if(ARG_OBJLIBS) 224 set(ALL_FILES ${ARG_OBJLIBS}) 225 else() 226 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) 227 endif() 228 229 if(ARG_MODULE) 230 if(ARG_SHARED OR ARG_STATIC) 231 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") 232 endif() 233 if(NOT LLVM_ENABLE_PLUGINS) 234 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") 235 return() 236 endif() 237 else() 238 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) 239 set(ARG_SHARED TRUE) 240 endif() 241 if(NOT ARG_SHARED) 242 set(ARG_STATIC TRUE) 243 endif() 244 endif() 245 246 # Generate objlib 247 if(ARG_SHARED AND ARG_STATIC) 248 # Generate an obj library for both targets. 249 set(obj_name "obj.${name}") 250 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL 251 ${ALL_FILES} 252 ) 253 llvm_update_compile_flags(${obj_name}) 254 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>") 255 256 # Do add_dependencies(obj) later due to CMake issue 14747. 257 list(APPEND objlibs ${obj_name}) 258 259 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") 260 endif() 261 262 if(ARG_SHARED AND ARG_STATIC) 263 # static 264 set(name_static "${name}_static") 265 if(ARG_OUTPUT_NAME) 266 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") 267 endif() 268 # DEPENDS has been appended to LLVM_COMMON_LIBS. 269 llvm_add_library(${name_static} STATIC 270 ${output_name} 271 OBJLIBS ${ALL_FILES} # objlib 272 LINK_LIBS ${ARG_LINK_LIBS} 273 LINK_COMPONENTS ${ARG_LINK_COMPONENTS} 274 ) 275 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. 276 set(ARG_STATIC) 277 endif() 278 279 if(ARG_MODULE) 280 add_library(${name} MODULE ${ALL_FILES}) 281 elseif(ARG_SHARED) 282 add_library(${name} SHARED ${ALL_FILES}) 283 else() 284 add_library(${name} STATIC ${ALL_FILES}) 285 endif() 286 set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR}) 287 llvm_update_compile_flags(${name}) 288 add_dead_strip( ${name} ) 289 if(ARG_OUTPUT_NAME) 290 set_target_properties(${name} 291 PROPERTIES 292 OUTPUT_NAME ${ARG_OUTPUT_NAME} 293 ) 294 endif() 295 296 if(ARG_MODULE) 297 set_target_properties(${name} PROPERTIES 298 PREFIX "" 299 SUFFIX ${LLVM_PLUGIN_EXT} 300 ) 301 endif() 302 303 if(ARG_SHARED) 304 if(WIN32) 305 set_target_properties(${name} PROPERTIES 306 PREFIX "" 307 ) 308 endif() 309 if (MSVC) 310 set_target_properties(${name} 311 PROPERTIES 312 IMPORT_SUFFIX ".imp") 313 endif () 314 endif() 315 316 if(ARG_MODULE OR ARG_SHARED) 317 # Do not add -Dname_EXPORTS to the command-line when building files in this 318 # target. Doing so is actively harmful for the modules build because it 319 # creates extra module variants, and not useful because we don't use these 320 # macros. 321 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) 322 323 if (LLVM_EXPORTED_SYMBOL_FILE) 324 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) 325 endif() 326 endif() 327 328 # Add the explicit dependency information for this library. 329 # 330 # It would be nice to verify that we have the dependencies for this library 331 # name, but using get_property(... SET) doesn't suffice to determine if a 332 # property has been set to an empty value. 333 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) 334 335 llvm_map_components_to_libnames(llvm_libs 336 ${ARG_LINK_COMPONENTS} 337 ${LLVM_LINK_COMPONENTS} 338 ) 339 340 if(CMAKE_VERSION VERSION_LESS 2.8.12) 341 # Link libs w/o keywords, assuming PUBLIC. 342 target_link_libraries(${name} 343 ${ARG_LINK_LIBS} 344 ${lib_deps} 345 ${llvm_libs} 346 ) 347 elseif(ARG_STATIC) 348 target_link_libraries(${name} INTERFACE 349 ${ARG_LINK_LIBS} 350 ${lib_deps} 351 ${llvm_libs} 352 ) 353 elseif((CYGWIN OR WIN32) AND ARG_SHARED) 354 # Win32's import library may be unaware of its dependent libs. 355 target_link_libraries(${name} PRIVATE 356 ${ARG_LINK_LIBS} 357 ${lib_deps} 358 ${llvm_libs} 359 ) 360 elseif(ARG_SHARED AND BUILD_SHARED_LIBS) 361 # FIXME: It may be PRIVATE since SO knows its dependent libs. 362 target_link_libraries(${name} PUBLIC 363 ${ARG_LINK_LIBS} 364 ${lib_deps} 365 ${llvm_libs} 366 ) 367 else() 368 # MODULE|SHARED 369 target_link_libraries(${name} PRIVATE 370 ${ARG_LINK_LIBS} 371 ${lib_deps} 372 ${llvm_libs} 373 ) 374 endif() 375 376 if(LLVM_COMMON_DEPENDS) 377 add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) 378 # Add dependencies also to objlibs. 379 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. 380 foreach(objlib ${objlibs}) 381 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) 382 endforeach() 383 endif() 384endfunction() 385 386macro(add_llvm_library name) 387 if( BUILD_SHARED_LIBS ) 388 llvm_add_library(${name} SHARED ${ARGN}) 389 else() 390 llvm_add_library(${name} ${ARGN}) 391 endif() 392 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) 393 394 if( EXCLUDE_FROM_ALL ) 395 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 396 else() 397 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO") 398 install(TARGETS ${name} 399 EXPORT LLVMExports 400 RUNTIME DESTINATION bin 401 LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} 402 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}) 403 endif() 404 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 405 endif() 406 set_target_properties(${name} PROPERTIES FOLDER "Libraries") 407endmacro(add_llvm_library name) 408 409macro(add_llvm_loadable_module name) 410 llvm_add_library(${name} MODULE ${ARGN}) 411 if(NOT TARGET ${name}) 412 # Add empty "phony" target 413 add_custom_target(${name}) 414 else() 415 if( EXCLUDE_FROM_ALL ) 416 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) 417 else() 418 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 419 if(WIN32 OR CYGWIN) 420 # DLL platform 421 set(dlldir "bin") 422 else() 423 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}") 424 endif() 425 install(TARGETS ${name} 426 EXPORT LLVMExports 427 LIBRARY DESTINATION ${dlldir} 428 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}) 429 endif() 430 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 431 endif() 432 endif() 433 434 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") 435endmacro(add_llvm_loadable_module name) 436 437 438macro(add_llvm_executable name) 439 llvm_process_sources( ALL_FILES ${ARGN} ) 440 if( EXCLUDE_FROM_ALL ) 441 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) 442 else() 443 add_executable(${name} ${ALL_FILES}) 444 endif() 445 llvm_update_compile_flags(${name}) 446 add_dead_strip( ${name} ) 447 448 # 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} ${LLVM_EXPORTED_SYMBOL_FILE} ) 456 endif(LLVM_EXPORTED_SYMBOL_FILE) 457 458 set(EXCLUDE_FROM_ALL OFF) 459 set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR}) 460 llvm_config( ${name} ${LLVM_LINK_COMPONENTS} ) 461 if( LLVM_COMMON_DEPENDS ) 462 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) 463 endif( LLVM_COMMON_DEPENDS ) 464endmacro(add_llvm_executable name) 465 466 467set (LLVM_TOOLCHAIN_TOOLS 468 llvm-ar 469 llvm-objdump 470 ) 471 472macro(add_llvm_tool name) 473 if( NOT LLVM_BUILD_TOOLS ) 474 set(EXCLUDE_FROM_ALL ON) 475 endif() 476 add_llvm_executable(${name} ${ARGN}) 477 478 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL) 479 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 480 if( LLVM_BUILD_TOOLS ) 481 install(TARGETS ${name} 482 EXPORT LLVMExports 483 RUNTIME DESTINATION bin) 484 endif() 485 endif() 486 if( LLVM_BUILD_TOOLS ) 487 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) 488 endif() 489 set_target_properties(${name} PROPERTIES FOLDER "Tools") 490endmacro(add_llvm_tool name) 491 492 493macro(add_llvm_example name) 494 if( NOT LLVM_BUILD_EXAMPLES ) 495 set(EXCLUDE_FROM_ALL ON) 496 endif() 497 add_llvm_executable(${name} ${ARGN}) 498 if( LLVM_BUILD_EXAMPLES ) 499 install(TARGETS ${name} RUNTIME DESTINATION examples) 500 endif() 501 set_target_properties(${name} PROPERTIES FOLDER "Examples") 502endmacro(add_llvm_example name) 503 504 505macro(add_llvm_utility name) 506 add_llvm_executable(${name} ${ARGN}) 507 set_target_properties(${name} PROPERTIES FOLDER "Utils") 508endmacro(add_llvm_utility name) 509 510 511macro(add_llvm_target target_name) 512 include_directories(BEFORE 513 ${CMAKE_CURRENT_BINARY_DIR} 514 ${CMAKE_CURRENT_SOURCE_DIR}) 515 add_llvm_library(LLVM${target_name} ${ARGN}) 516 set( CURRENT_LLVM_TARGET LLVM${target_name} ) 517endmacro(add_llvm_target) 518 519# Add external project that may want to be built as part of llvm such as Clang, 520# lld, and Polly. This adds two options. One for the source directory of the 521# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to 522# enable or disable building it with everything else. 523# Additional parameter can be specified as the name of directory. 524macro(add_llvm_external_project name) 525 set(add_llvm_external_dir "${ARGN}") 526 if("${add_llvm_external_dir}" STREQUAL "") 527 set(add_llvm_external_dir ${name}) 528 endif() 529 list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}") 530 string(REPLACE "-" "_" nameUNDERSCORE ${name}) 531 string(TOUPPER ${nameUNDERSCORE} nameUPPER) 532 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}" 533 CACHE PATH "Path to ${name} source directory") 534 if (NOT ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} STREQUAL "" 535 AND EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}/CMakeLists.txt) 536 option(LLVM_EXTERNAL_${nameUPPER}_BUILD 537 "Whether to build ${name} as part of LLVM" ON) 538 if (LLVM_EXTERNAL_${nameUPPER}_BUILD) 539 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) 540 endif() 541 endif() 542endmacro(add_llvm_external_project) 543 544macro(add_llvm_tool_subdirectory name) 545 list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${name}") 546 add_subdirectory(${name}) 547endmacro(add_llvm_tool_subdirectory) 548 549macro(ignore_llvm_tool_subdirectory name) 550 list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${name}") 551endmacro(ignore_llvm_tool_subdirectory) 552 553function(add_llvm_implicit_external_projects) 554 set(list_of_implicit_subdirs "") 555 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") 556 foreach(dir ${sub-dirs}) 557 if(IS_DIRECTORY "${dir}") 558 list(FIND LLVM_IMPLICIT_PROJECT_IGNORE "${dir}" tool_subdir_ignore) 559 if( tool_subdir_ignore EQUAL -1 560 AND EXISTS "${dir}/CMakeLists.txt") 561 get_filename_component(fn "${dir}" NAME) 562 list(APPEND list_of_implicit_subdirs "${fn}") 563 endif() 564 endif() 565 endforeach() 566 567 foreach(external_proj ${list_of_implicit_subdirs}) 568 add_llvm_external_project("${external_proj}") 569 endforeach() 570endfunction(add_llvm_implicit_external_projects) 571 572# Generic support for adding a unittest. 573function(add_unittest test_suite test_name) 574 if( NOT LLVM_BUILD_TESTS ) 575 set(EXCLUDE_FROM_ALL ON) 576 endif() 577 578 # Visual Studio 2012 only supports up to 8 template parameters in 579 # std::tr1::tuple by default, but gtest requires 10 580 if (MSVC AND MSVC_VERSION EQUAL 1700) 581 list(APPEND LLVM_COMPILE_DEFINITIONS _VARIADIC_MAX=10) 582 endif () 583 584 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) 585 if (NOT LLVM_ENABLE_THREADS) 586 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) 587 endif () 588 589 if (SUPPORTS_NO_VARIADIC_MACROS_FLAG) 590 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") 591 endif () 592 593 set(LLVM_REQUIRES_RTTI OFF) 594 595 add_llvm_executable(${test_name} ${ARGN}) 596 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) 597 set_output_directory(${test_name} ${outdir} ${outdir}) 598 target_link_libraries(${test_name} 599 gtest 600 gtest_main 601 LLVMSupport # gtest needs it for raw_ostream. 602 ) 603 604 add_dependencies(${test_suite} ${test_name}) 605 get_target_property(test_suite_folder ${test_suite} FOLDER) 606 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND") 607 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") 608 endif () 609endfunction() 610 611# This function provides an automatic way to 'configure'-like generate a file 612# based on a set of common and custom variables, specifically targeting the 613# variables needed for the 'lit.site.cfg' files. This function bundles the 614# common variables that any Lit instance is likely to need, and custom 615# variables can be passed in. 616function(configure_lit_site_cfg input output) 617 foreach(c ${LLVM_TARGETS_TO_BUILD}) 618 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") 619 endforeach(c) 620 set(TARGETS_TO_BUILD ${TARGETS_BUILT}) 621 622 set(SHLIBEXT "${LTDL_SHLIB_EXT}") 623 624 # Configuration-time: See Unit/lit.site.cfg.in 625 if (CMAKE_CFG_INTDIR STREQUAL ".") 626 set(LLVM_BUILD_MODE ".") 627 else () 628 set(LLVM_BUILD_MODE "%(build_mode)s") 629 endif () 630 631 # They below might not be the build tree but provided binary tree. 632 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) 633 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) 634 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR}) 635 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR}) 636 637 # SHLIBDIR points the build tree. 638 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") 639 640 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE}) 641 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for 642 # plugins. We may rename it. 643 if(LLVM_ENABLE_PLUGINS) 644 set(ENABLE_SHARED "1") 645 else() 646 set(ENABLE_SHARED "0") 647 endif() 648 649 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) 650 set(ENABLE_ASSERTIONS "1") 651 else() 652 set(ENABLE_ASSERTIONS "0") 653 endif() 654 655 set(HOST_OS ${CMAKE_SYSTEM_NAME}) 656 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) 657 658 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") 659 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") 660 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") 661 662 configure_file(${input} ${output} @ONLY) 663endfunction() 664 665# A raw function to create a lit target. This is used to implement the testuite 666# management functions. 667function(add_lit_target target comment) 668 parse_arguments(ARG "PARAMS;DEPENDS;ARGS" "" ${ARGN}) 669 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") 670 separate_arguments(LIT_ARGS) 671 if (NOT CMAKE_CFG_INTDIR STREQUAL ".") 672 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) 673 endif () 674 if (LLVM_MAIN_SRC_DIR) 675 set (LIT_COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) 676 else() 677 find_program(LIT_COMMAND llvm-lit) 678 endif () 679 list(APPEND LIT_COMMAND ${LIT_ARGS}) 680 foreach(param ${ARG_PARAMS}) 681 list(APPEND LIT_COMMAND --param ${param}) 682 endforeach() 683 if( ARG_DEPENDS ) 684 add_custom_target(${target} 685 COMMAND ${LIT_COMMAND} ${ARG_DEFAULT_ARGS} 686 COMMENT "${comment}" 687 ) 688 add_dependencies(${target} ${ARG_DEPENDS}) 689 else() 690 add_custom_target(${target} 691 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") 692 message(STATUS "${target} does nothing.") 693 endif() 694 695 # Tests should be excluded from "Build Solution". 696 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) 697endfunction() 698 699# A function to add a set of lit test suites to be driven through 'check-*' targets. 700function(add_lit_testsuite target comment) 701 parse_arguments(ARG "PARAMS;DEPENDS;ARGS" "" ${ARGN}) 702 703 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. 704 if(NOT EXCLUDE_FROM_ALL) 705 # Register the testsuites, params and depends for the global check rule. 706 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_DEFAULT_ARGS}) 707 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) 708 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) 709 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) 710 endif() 711 712 # Produce a specific suffixed check rule. 713 add_lit_target(${target} ${comment} 714 ${ARG_DEFAULT_ARGS} 715 PARAMS ${ARG_PARAMS} 716 DEPENDS ${ARG_DEPENDS} 717 ARGS ${ARG_ARGS} 718 ) 719endfunction() 720