1 cmake_minimum_required(VERSION 2.8.8) 2 3 # FIXME: It may be removed when we use 2.8.12. 4 if(CMAKE_VERSION VERSION_LESS 2.8.12) 5 # Invalidate a couple of keywords. 6 set(cmake_2_8_12_INTERFACE) 7 set(cmake_2_8_12_PRIVATE) 8 else() 9 # Use ${cmake_2_8_12_KEYWORD} intead of KEYWORD in target_link_libraries(). 10 set(cmake_2_8_12_INTERFACE INTERFACE) 11 set(cmake_2_8_12_PRIVATE PRIVATE) 12 if(POLICY CMP0022) 13 cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required 14 endif() 15 endif() 16 17 # If we are not building as a part of LLVM, build Clang as an 18 # standalone project, using LLVM as an external library: 19 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR ) 20 project(Clang) 21 22 # Rely on llvm-config. 23 set(CONFIG_OUTPUT) 24 find_program(LLVM_CONFIG "llvm-config") 25 if(LLVM_CONFIG) 26 message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}") 27 set(CONFIG_COMMAND ${LLVM_CONFIG} 28 "--assertion-mode" 29 "--bindir" 30 "--libdir" 31 "--includedir" 32 "--prefix" 33 "--src-root") 34 execute_process( 35 COMMAND ${CONFIG_COMMAND} 36 RESULT_VARIABLE HAD_ERROR 37 OUTPUT_VARIABLE CONFIG_OUTPUT 38 ) 39 if(NOT HAD_ERROR) 40 string(REGEX REPLACE 41 "[ \t]*[\r\n]+[ \t]*" ";" 42 CONFIG_OUTPUT ${CONFIG_OUTPUT}) 43 else() 44 string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}") 45 message(STATUS "${CONFIG_COMMAND_STR}") 46 message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}") 47 endif() 48 else() 49 message(FATAL_ERROR "llvm-config not found -- ${LLVM_CONFIG}") 50 endif() 51 52 list(GET CONFIG_OUTPUT 0 ENABLE_ASSERTIONS) 53 list(GET CONFIG_OUTPUT 1 TOOLS_BINARY_DIR) 54 list(GET CONFIG_OUTPUT 2 LIBRARY_DIR) 55 list(GET CONFIG_OUTPUT 3 INCLUDE_DIR) 56 list(GET CONFIG_OUTPUT 4 LLVM_OBJ_ROOT) 57 list(GET CONFIG_OUTPUT 5 MAIN_SRC_DIR) 58 59 if(NOT MSVC_IDE) 60 set(LLVM_ENABLE_ASSERTIONS ${ENABLE_ASSERTIONS} 61 CACHE BOOL "Enable assertions") 62 # Assertions should follow llvm-config's. 63 mark_as_advanced(LLVM_ENABLE_ASSERTIONS) 64 endif() 65 66 set(LLVM_TOOLS_BINARY_DIR ${TOOLS_BINARY_DIR} CACHE PATH "Path to llvm/bin") 67 set(LLVM_LIBRARY_DIR ${LIBRARY_DIR} CACHE PATH "Path to llvm/lib") 68 set(LLVM_MAIN_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include") 69 set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree") 70 set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree") 71 72 find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR} 73 NO_DEFAULT_PATH) 74 75 set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/share/llvm/cmake") 76 set(LLVMCONFIG_FILE "${LLVM_CMAKE_PATH}/LLVMConfig.cmake") 77 if(EXISTS ${LLVMCONFIG_FILE}) 78 list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}") 79 include(${LLVMCONFIG_FILE}) 80 else() 81 message(FATAL_ERROR "Not found: ${LLVMCONFIG_FILE}") 82 endif() 83 84 # They are used as destination of target generators. 85 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin) 86 set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX}) 87 if(WIN32 OR CYGWIN) 88 # DLL platform -- put DLLs into bin. 89 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) 90 else() 91 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 92 endif() 93 94 option(LLVM_INSTALL_TOOLCHAIN_ONLY 95 "Only include toolchain files in the 'install' target." OFF) 96 97 option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN 98 "Set to ON to force using an old, unsupported host toolchain." OFF) 99 option(CLANG_ENABLE_BOOTSTRAP "Generate the clang bootstrap target" OFF) 100 101 include(AddLLVM) 102 include(TableGen) 103 include(HandleLLVMOptions) 104 105 set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}") 106 107 if (NOT DEFINED LLVM_INCLUDE_TESTS) 108 set(LLVM_INCLUDE_TESTS ON) 109 endif() 110 111 include_directories("${LLVM_BINARY_DIR}/include" "${LLVM_MAIN_INCLUDE_DIR}") 112 link_directories("${LLVM_LIBRARY_DIR}") 113 114 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin ) 115 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} ) 116 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} ) 117 118 if(LLVM_INCLUDE_TESTS) 119 set(Python_ADDITIONAL_VERSIONS 2.7) 120 include(FindPythonInterp) 121 if(NOT PYTHONINTERP_FOUND) 122 message(FATAL_ERROR 123 "Unable to find Python interpreter, required for builds and testing. 124 125 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.") 126 endif() 127 128 if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 ) 129 message(FATAL_ERROR "Python 2.7 or newer is required") 130 endif() 131 132 # Check prebuilt llvm/utils. 133 if(EXISTS ${LLVM_TOOLS_BINARY_DIR}/FileCheck${CMAKE_EXECUTABLE_SUFFIX} 134 AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/count${CMAKE_EXECUTABLE_SUFFIX} 135 AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/not${CMAKE_EXECUTABLE_SUFFIX}) 136 set(LLVM_UTILS_PROVIDED ON) 137 endif() 138 139 if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) 140 set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) 141 if(NOT LLVM_UTILS_PROVIDED) 142 add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/FileCheck utils/FileCheck) 143 add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/count utils/count) 144 add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/not utils/not) 145 set(LLVM_UTILS_PROVIDED ON) 146 set(CLANG_TEST_DEPS FileCheck count not) 147 endif() 148 set(UNITTEST_DIR ${LLVM_MAIN_SRC_DIR}/utils/unittest) 149 if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h 150 AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX} 151 AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt) 152 add_subdirectory(${UNITTEST_DIR} utils/unittest) 153 endif() 154 else() 155 # Seek installed Lit. 156 find_program(LLVM_LIT "lit.py" ${LLVM_MAIN_SRC_DIR}/utils/lit 157 DOC "Path to lit.py") 158 endif() 159 160 if(LLVM_LIT) 161 # Define the default arguments to use with 'lit', and an option for the user 162 # to override. 163 set(LIT_ARGS_DEFAULT "-sv") 164 if (MSVC OR XCODE) 165 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar") 166 endif() 167 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit") 168 169 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools. 170 if( WIN32 AND NOT CYGWIN ) 171 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools") 172 endif() 173 else() 174 set(LLVM_INCLUDE_TESTS OFF) 175 endif() 176 endif() 177 178 set( CLANG_BUILT_STANDALONE 1 ) 179 set(BACKEND_PACKAGE_STRING "LLVM ${LLVM_PACKAGE_VERSION}") 180 else() 181 set(BACKEND_PACKAGE_STRING "${PACKAGE_STRING}") 182 endif() 183 184 find_package(LibXml2 2.5.3 QUIET) 185 if (LIBXML2_FOUND) 186 set(CLANG_HAVE_LIBXML 1) 187 endif() 188 189 set(CLANG_RESOURCE_DIR "" CACHE STRING 190 "Relative directory from the Clang binary to its resource files.") 191 192 set(C_INCLUDE_DIRS "" CACHE STRING 193 "Colon separated list of directories clang will search for headers.") 194 195 set(GCC_INSTALL_PREFIX "" CACHE PATH "Directory where gcc is installed." ) 196 set(DEFAULT_SYSROOT "" CACHE PATH 197 "Default <path> to all compiler invocations for --sysroot=<path>." ) 198 199 set(CLANG_DEFAULT_OPENMP_RUNTIME "libomp" CACHE STRING 200 "Default OpenMP runtime used by -fopenmp.") 201 202 set(CLANG_VENDOR "" CACHE STRING 203 "Vendor-specific text for showing with version information.") 204 205 if( CLANG_VENDOR ) 206 add_definitions( -DCLANG_VENDOR="${CLANG_VENDOR} " ) 207 endif() 208 209 set(CLANG_REPOSITORY_STRING "" CACHE STRING 210 "Vendor-specific text for showing the repository the source is taken from.") 211 212 if(CLANG_REPOSITORY_STRING) 213 add_definitions(-DCLANG_REPOSITORY_STRING="${CLANG_REPOSITORY_STRING}") 214 endif() 215 216 set(CLANG_VENDOR_UTI "org.llvm.clang" CACHE STRING 217 "Vendor-specific uti.") 218 219 # The libdir suffix must exactly match whatever LLVM's configuration used. 220 set(CLANG_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}") 221 222 set(CLANG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) 223 set(CLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) 224 225 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE ) 226 message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite " 227 "the makefiles distributed with LLVM. Please create a directory and run cmake " 228 "from there, passing the path to this source directory as the last argument. " 229 "This process created the file `CMakeCache.txt' and the directory " 230 "`CMakeFiles'. Please delete them.") 231 endif() 232 233 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR ) 234 file(GLOB_RECURSE 235 tablegenned_files_on_include_dir 236 "${CLANG_SOURCE_DIR}/include/clang/*.inc") 237 if( tablegenned_files_on_include_dir ) 238 message(FATAL_ERROR "Apparently there is a previous in-source build, " 239 "probably as the result of running `configure' and `make' on " 240 "${CLANG_SOURCE_DIR}. This may cause problems. The suspicious files are:\n" 241 "${tablegenned_files_on_include_dir}\nPlease clean the source directory.") 242 endif() 243 endif() 244 245 # Compute the Clang version from the LLVM version. 246 string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION 247 ${PACKAGE_VERSION}) 248 message(STATUS "Clang version: ${CLANG_VERSION}") 249 250 string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" CLANG_VERSION_MAJOR 251 ${CLANG_VERSION}) 252 string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" CLANG_VERSION_MINOR 253 ${CLANG_VERSION}) 254 if (${CLANG_VERSION} MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+") 255 set(CLANG_HAS_VERSION_PATCHLEVEL 1) 256 string(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" CLANG_VERSION_PATCHLEVEL 257 ${CLANG_VERSION}) 258 else() 259 set(CLANG_HAS_VERSION_PATCHLEVEL 0) 260 endif() 261 262 # Configure the Version.inc file. 263 configure_file( 264 ${CMAKE_CURRENT_SOURCE_DIR}/include/clang/Basic/Version.inc.in 265 ${CMAKE_CURRENT_BINARY_DIR}/include/clang/Basic/Version.inc) 266 267 # Add appropriate flags for GCC 268 if (LLVM_COMPILER_IS_GCC_COMPATIBLE) 269 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual") 270 if (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang") 271 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing") 272 endif () 273 274 # Enable -pedantic for Clang even if it's not enabled for LLVM. 275 if (NOT LLVM_ENABLE_PEDANTIC) 276 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Wno-long-long") 277 endif () 278 279 check_cxx_compiler_flag("-Werror -Wnested-anon-types" CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG) 280 if( CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG ) 281 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-nested-anon-types" ) 282 endif() 283 endif () 284 285 # Determine HOST_LINK_VERSION on Darwin. 286 set(HOST_LINK_VERSION) 287 if (APPLE) 288 set(LD_V_OUTPUT) 289 execute_process( 290 COMMAND sh -c "${CMAKE_LINKER} -v 2>&1 | head -1" 291 RESULT_VARIABLE HAD_ERROR 292 OUTPUT_VARIABLE LD_V_OUTPUT 293 ) 294 if (NOT HAD_ERROR) 295 if ("${LD_V_OUTPUT}" MATCHES ".*ld64-([0-9.]+).*") 296 string(REGEX REPLACE ".*ld64-([0-9.]+).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT}) 297 elseif ("${LD_V_OUTPUT}" MATCHES "[^0-9]*([0-9.]+).*") 298 string(REGEX REPLACE "[^0-9]*([0-9.]+).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT}) 299 endif() 300 else() 301 message(FATAL_ERROR "${CMAKE_LINKER} failed with status ${HAD_ERROR}") 302 endif() 303 endif() 304 305 configure_file( 306 ${CLANG_SOURCE_DIR}/include/clang/Config/config.h.cmake 307 ${CLANG_BINARY_DIR}/include/clang/Config/config.h) 308 309 include(CMakeParseArguments) 310 311 function(clang_tablegen) 312 # Syntax: 313 # clang_tablegen output-file [tablegen-arg ...] SOURCE source-file 314 # [[TARGET cmake-target-name] [DEPENDS extra-dependency ...]] 315 # 316 # Generates a custom command for invoking tblgen as 317 # 318 # tblgen source-file -o=output-file tablegen-arg ... 319 # 320 # and, if cmake-target-name is provided, creates a custom target for 321 # executing the custom command depending on output-file. It is 322 # possible to list more files to depend after DEPENDS. 323 324 cmake_parse_arguments(CTG "" "SOURCE;TARGET" "" ${ARGN}) 325 326 if( NOT CTG_SOURCE ) 327 message(FATAL_ERROR "SOURCE source-file required by clang_tablegen") 328 endif() 329 330 set( LLVM_TARGET_DEFINITIONS ${CTG_SOURCE} ) 331 tablegen(CLANG ${CTG_UNPARSED_ARGUMENTS}) 332 333 if(CTG_TARGET) 334 add_public_tablegen_target(${CTG_TARGET}) 335 set_target_properties( ${CTG_TARGET} PROPERTIES FOLDER "Clang tablegenning") 336 set_property(GLOBAL APPEND PROPERTY CLANG_TABLEGEN_TARGETS ${CTG_TARGET}) 337 endif() 338 endfunction(clang_tablegen) 339 340 macro(set_clang_windows_version_resource_properties name) 341 if(DEFINED windows_resource_file) 342 set_windows_version_resource_properties(${name} ${windows_resource_file} 343 VERSION_MAJOR ${CLANG_VERSION_MAJOR} 344 VERSION_MINOR ${CLANG_VERSION_MINOR} 345 VERSION_PATCHLEVEL ${CLANG_VERSION_PATCHLEVEL} 346 VERSION_STRING "${CLANG_VERSION} (${BACKEND_PACKAGE_STRING})" 347 PRODUCT_NAME "clang") 348 endif() 349 endmacro() 350 351 macro(add_clang_subdirectory name) 352 add_llvm_subdirectory(CLANG TOOL ${name}) 353 endmacro() 354 355 macro(add_clang_library name) 356 cmake_parse_arguments(ARG 357 "SHARED" 358 "" 359 "ADDITIONAL_HEADERS" 360 ${ARGN}) 361 set(srcs) 362 if(MSVC_IDE OR XCODE) 363 # Add public headers 364 file(RELATIVE_PATH lib_path 365 ${CLANG_SOURCE_DIR}/lib/ 366 ${CMAKE_CURRENT_SOURCE_DIR} 367 ) 368 if(NOT lib_path MATCHES "^[.][.]") 369 file( GLOB_RECURSE headers 370 ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.h 371 ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.def 372 ) 373 set_source_files_properties(${headers} PROPERTIES HEADER_FILE_ONLY ON) 374 375 file( GLOB_RECURSE tds 376 ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.td 377 ) 378 source_group("TableGen descriptions" FILES ${tds}) 379 set_source_files_properties(${tds}} PROPERTIES HEADER_FILE_ONLY ON) 380 381 if(headers OR tds) 382 set(srcs ${headers} ${tds}) 383 endif() 384 endif() 385 endif(MSVC_IDE OR XCODE) 386 if(srcs OR ARG_ADDITIONAL_HEADERS) 387 set(srcs 388 ADDITIONAL_HEADERS 389 ${srcs} 390 ${ARG_ADDITIONAL_HEADERS} # It may contain unparsed unknown args. 391 ) 392 endif() 393 if(ARG_SHARED) 394 set(ARG_ENABLE_SHARED SHARED) 395 endif() 396 llvm_add_library(${name} ${ARG_ENABLE_SHARED} ${ARG_UNPARSED_ARGUMENTS} ${srcs}) 397 398 if(TARGET ${name}) 399 target_link_libraries(${name} ${cmake_2_8_12_INTERFACE} ${LLVM_COMMON_LIBS}) 400 401 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "libclang") 402 install(TARGETS ${name} 403 COMPONENT ${name} 404 EXPORT ClangTargets 405 LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} 406 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX} 407 RUNTIME DESTINATION bin) 408 409 if (${ARG_SHARED} AND NOT CMAKE_CONFIGURATION_TYPES) 410 add_custom_target(install-${name} 411 DEPENDS ${name} 412 COMMAND "${CMAKE_COMMAND}" 413 -DCMAKE_INSTALL_COMPONENT=${name} 414 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 415 endif() 416 endif() 417 set_property(GLOBAL APPEND PROPERTY CLANG_EXPORTS ${name}) 418 else() 419 # Add empty "phony" target 420 add_custom_target(${name}) 421 endif() 422 423 set_target_properties(${name} PROPERTIES FOLDER "Clang libraries") 424 set_clang_windows_version_resource_properties(${name}) 425 endmacro(add_clang_library) 426 427 macro(add_clang_executable name) 428 add_llvm_executable( ${name} ${ARGN} ) 429 set_target_properties(${name} PROPERTIES FOLDER "Clang executables") 430 set_clang_windows_version_resource_properties(${name}) 431 endmacro(add_clang_executable) 432 433 macro(add_clang_symlink name dest) 434 add_llvm_tool_symlink(${name} ${dest} ALWAYS_GENERATE) 435 # Always generate install targets 436 llvm_install_symlink(${name} ${dest} ALWAYS_GENERATE) 437 endmacro() 438 439 set(CMAKE_INCLUDE_CURRENT_DIR ON) 440 441 include_directories(BEFORE 442 ${CMAKE_CURRENT_BINARY_DIR}/include 443 ${CMAKE_CURRENT_SOURCE_DIR}/include 444 ) 445 446 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 447 install(DIRECTORY include/clang include/clang-c 448 DESTINATION include 449 FILES_MATCHING 450 PATTERN "*.def" 451 PATTERN "*.h" 452 PATTERN "config.h" EXCLUDE 453 PATTERN ".svn" EXCLUDE 454 ) 455 456 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/clang 457 DESTINATION include 458 FILES_MATCHING 459 PATTERN "CMakeFiles" EXCLUDE 460 PATTERN "*.inc" 461 PATTERN "*.h" 462 ) 463 endif() 464 465 if(INTERNAL_INSTALL_PREFIX) 466 set(LIBCLANG_HEADERS_INSTALL_DESTINATION "${INTERNAL_INSTALL_PREFIX}/include") 467 else() 468 set(LIBCLANG_HEADERS_INSTALL_DESTINATION include) 469 endif() 470 471 install(DIRECTORY include/clang-c 472 COMPONENT libclang-headers 473 DESTINATION "${LIBCLANG_HEADERS_INSTALL_DESTINATION}" 474 FILES_MATCHING 475 PATTERN "*.h" 476 PATTERN ".svn" EXCLUDE 477 ) 478 479 if (NOT CMAKE_CONFIGURATION_TYPES) # don't add this for IDE's. 480 add_custom_target(install-libclang-headers 481 DEPENDS 482 COMMAND "${CMAKE_COMMAND}" 483 -DCMAKE_INSTALL_COMPONENT=libclang-headers 484 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 485 endif() 486 487 add_definitions( -D_GNU_SOURCE ) 488 489 option(CLANG_ENABLE_ARCMT "Build ARCMT." ON) 490 if (CLANG_ENABLE_ARCMT) 491 set(ENABLE_CLANG_ARCMT "1") 492 else() 493 set(ENABLE_CLANG_ARCMT "0") 494 endif() 495 496 option(CLANG_ENABLE_STATIC_ANALYZER "Build static analyzer." ON) 497 if (CLANG_ENABLE_STATIC_ANALYZER) 498 set(ENABLE_CLANG_STATIC_ANALYZER "1") 499 else() 500 set(ENABLE_CLANG_STATIC_ANALYZER "0") 501 endif() 502 503 if (NOT CLANG_ENABLE_STATIC_ANALYZER AND CLANG_ENABLE_ARCMT) 504 message(FATAL_ERROR "Cannot disable static analyzer while enabling ARCMT") 505 endif() 506 507 if(CLANG_ENABLE_ARCMT) 508 add_definitions(-DCLANG_ENABLE_ARCMT) 509 add_definitions(-DCLANG_ENABLE_OBJC_REWRITER) 510 endif() 511 if(CLANG_ENABLE_STATIC_ANALYZER) 512 add_definitions(-DCLANG_ENABLE_STATIC_ANALYZER) 513 endif() 514 515 # Clang version information 516 set(CLANG_EXECUTABLE_VERSION 517 "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING 518 "Version number that will be placed into the clang executable, in the form XX.YY") 519 set(LIBCLANG_LIBRARY_VERSION 520 "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING 521 "Version number that will be placed into the libclang library , in the form XX.YY") 522 mark_as_advanced(CLANG_EXECUTABLE_VERSION LIBCLANG_LIBRARY_VERSION) 523 524 option(CLANG_INCLUDE_TESTS 525 "Generate build targets for the Clang unit tests." 526 ${LLVM_INCLUDE_TESTS}) 527 528 add_subdirectory(utils/TableGen) 529 530 add_subdirectory(include) 531 532 # All targets below may depend on all tablegen'd files. 533 get_property(CLANG_TABLEGEN_TARGETS GLOBAL PROPERTY CLANG_TABLEGEN_TARGETS) 534 list(APPEND LLVM_COMMON_DEPENDS ${CLANG_TABLEGEN_TARGETS}) 535 536 add_subdirectory(lib) 537 add_subdirectory(tools) 538 add_subdirectory(runtime) 539 540 option(CLANG_BUILD_EXAMPLES "Build CLANG example programs by default." OFF) 541 if (CLANG_BUILD_EXAMPLES) 542 set(ENABLE_CLANG_EXAMPLES "1") 543 else() 544 set(ENABLE_CLANG_EXAMPLES "0") 545 endif() 546 add_subdirectory(examples) 547 548 if( CLANG_INCLUDE_TESTS ) 549 if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include/gtest/gtest.h) 550 add_subdirectory(unittests) 551 list(APPEND CLANG_TEST_DEPS ClangUnitTests) 552 list(APPEND CLANG_TEST_PARAMS 553 clang_unit_site_config=${CMAKE_CURRENT_BINARY_DIR}/test/Unit/lit.site.cfg 554 ) 555 endif() 556 add_subdirectory(test) 557 558 if(CLANG_BUILT_STANDALONE) 559 # Add a global check rule now that all subdirectories have been traversed 560 # and we know the total set of lit testsuites. 561 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES) 562 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS) 563 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS) 564 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS) 565 add_lit_target(check-all 566 "Running all regression tests" 567 ${LLVM_LIT_TESTSUITES} 568 PARAMS ${LLVM_LIT_PARAMS} 569 DEPENDS ${LLVM_LIT_DEPENDS} 570 ARGS ${LLVM_LIT_EXTRA_ARGS} 571 ) 572 endif() 573 add_subdirectory(utils/perf-training) 574 endif() 575 576 option(CLANG_INCLUDE_DOCS "Generate build targets for the Clang docs." 577 ${LLVM_INCLUDE_DOCS}) 578 if( CLANG_INCLUDE_DOCS ) 579 add_subdirectory(docs) 580 endif() 581 582 set(CLANG_ORDER_FILE "" CACHE FILEPATH 583 "Order file to use when compiling clang in order to improve startup time.") 584 585 if (CLANG_BUILT_STANDALONE OR CMAKE_VERSION VERSION_EQUAL 3 OR 586 CMAKE_VERSION VERSION_GREATER 3) 587 # Generate a list of CMake library targets so that other CMake projects can 588 # link against them. LLVM calls its version of this file LLVMExports.cmake, but 589 # the usual CMake convention seems to be ${Project}Targets.cmake. 590 set(CLANG_INSTALL_PACKAGE_DIR share/clang/cmake) 591 set(clang_cmake_builddir "${CMAKE_BINARY_DIR}/${CLANG_INSTALL_PACKAGE_DIR}") 592 get_property(CLANG_EXPORTS GLOBAL PROPERTY CLANG_EXPORTS) 593 export(TARGETS ${CLANG_EXPORTS} FILE ${clang_cmake_builddir}/ClangTargets.cmake) 594 595 # Install a <prefix>/share/clang/cmake/ClangConfig.cmake file so that 596 # find_package(Clang) works. Install the target list with it. 597 install(EXPORT ClangTargets DESTINATION ${CLANG_INSTALL_PACKAGE_DIR}) 598 599 install(FILES 600 ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake 601 DESTINATION share/clang/cmake) 602 603 # Also copy ClangConfig.cmake to the build directory so that dependent projects 604 # can build against a build directory of Clang more easily. 605 configure_file( 606 ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake 607 ${CLANG_BINARY_DIR}/share/clang/cmake/ClangConfig.cmake 608 COPYONLY) 609 endif () 610 611 if (CLANG_ENABLE_BOOTSTRAP) 612 include(ExternalProject) 613 614 if(CMAKE_VERSION VERSION_GREATER 3.1.0) 615 set(cmake_3_1_EXCLUDE_FROM_ALL EXCLUDE_FROM_ALL 1) 616 endif() 617 618 if(CMAKE_VERSION VERSION_GREATER 3.3.20150708) 619 set(cmake_3_4_USES_TERMINAL_OPTIONS 620 USES_TERMINAL_CONFIGURE 1 621 USES_TERMINAL_BUILD 1 622 USES_TERMINAL_INSTALL 1 623 ) 624 set(cmake_3_4_USES_TERMINAL USES_TERMINAL 1) 625 endif() 626 627 if(NOT CLANG_STAGE) 628 set(CLANG_STAGE stage1) 629 message(STATUS "Setting current clang stage to: ${CLANG_STAGE}") 630 endif() 631 632 string(REGEX MATCH "stage([0-9]*)" MATCHED_STAGE "${CLANG_STAGE}") 633 if(MATCHED_STAGE) 634 math(EXPR STAGE_NUM "${MATCHED_STAGE} + 1") 635 set(NEXT_CLANG_STAGE stage${STAGE_NUM}) 636 else() 637 set(NEXT_CLANG_STAGE bootstrap) 638 endif() 639 message(STATUS "Setting next clang stage to: ${NEXT_CLANG_STAGE}") 640 641 642 set(STAMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-stamps/) 643 set(BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-bins/) 644 645 # If on Darwin we need to make bootstrap depend on LTO and pass 646 # DARWIN_LTO_LIBRARY so that -flto will work using the just-built compiler 647 if(APPLE) 648 set(LTO_DEP LTO llvm-ar llvm-ranlib) 649 set(LTO_LIBRARY -DDARWIN_LTO_LIBRARY=${LLVM_SHLIB_OUTPUT_INTDIR}/libLTO.dylib) 650 set(LTO_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar) 651 set(LTO_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib) 652 endif() 653 654 add_custom_target(${NEXT_CLANG_STAGE}-clear 655 DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-cleared 656 ) 657 add_custom_command( 658 OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-cleared 659 DEPENDS clang ${LTO_DEP} 660 COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR} 661 COMMAND ${CMAKE_COMMAND} -E make_directory ${BINARY_DIR} 662 COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR} 663 COMMAND ${CMAKE_COMMAND} -E make_directory ${STAMP_DIR} 664 COMMENT "Clobberring ${NEXT_CLANG_STAGE} build and stamp directories" 665 ) 666 667 if(CMAKE_VERBOSE_MAKEFILE) 668 set(verbose -DCMAKE_VERBOSE_MAKEFILE=On) 669 endif() 670 671 set(BOOTSTRAP_DEFAULT_PASSTHROUGH 672 PACKAGE_VERSION 673 LLVM_VERSION_MAJOR 674 LLVM_VERSION_MINOR 675 LLVM_VERSION_PATCH 676 LLVM_VERSION_SUFFIX 677 CLANG_REPOSITORY_STRING 678 CMAKE_MAKE_PROGRAM) 679 680 if(TARGET compiler-rt) 681 set(RUNTIME_DEP compiler-rt) 682 endif() 683 684 # Find all variables that start with BOOTSTRAP_ and populate a variable with 685 # them. 686 get_cmake_property(variableNames VARIABLES) 687 foreach(variableName ${variableNames}) 688 if(variableName MATCHES "^BOOTSTRAP_") 689 string(SUBSTRING ${variableName} 10 -1 varName) 690 string(REPLACE ";" "\;" value "${${variableName}}") 691 list(APPEND PASSTHROUGH_VARIABLES 692 -D${varName}=${value}) 693 endif() 694 endforeach() 695 696 # Populate the passthrough variables 697 foreach(variableName ${CLANG_BOOTSTRAP_PASSTHROUGH} ${BOOTSTRAP_DEFAULT_PASSTHROUGH}) 698 if(${variableName}) 699 string(REPLACE ";" "\;" value ${${variableName}}) 700 list(APPEND PASSTHROUGH_VARIABLES 701 -D${variableName}=${value}) 702 endif() 703 endforeach() 704 705 ExternalProject_Add(${NEXT_CLANG_STAGE} 706 DEPENDS clang ${LTO_DEP} ${RUNTIME_DEP} 707 PREFIX ${NEXT_CLANG_STAGE} 708 SOURCE_DIR ${CMAKE_SOURCE_DIR} 709 STAMP_DIR ${STAMP_DIR} 710 BINARY_DIR ${BINARY_DIR} 711 ${cmake_3_1_EXCLUDE_FROM_ALL} 712 CMAKE_ARGS 713 # We shouldn't need to set this here, but INSTALL_DIR doesn't 714 # seem to work, so instead I'm passing this through 715 -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX} 716 ${CLANG_BOOTSTRAP_CMAKE_ARGS} 717 ${PASSTHROUGH_VARIABLES} 718 -DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++ 719 -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang 720 -DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang 721 -DCLANG_STAGE=${NEXT_CLANG_STAGE} 722 ${LTO_LIBRARY} ${LTO_AR} ${LTO_RANLIB} ${verbose} 723 INSTALL_COMMAND "" 724 STEP_TARGETS configure build 725 ${cmake_3_4_USES_TERMINAL_OPTIONS} 726 ) 727 728 # exclude really-install from main target 729 set_target_properties(${NEXT_CLANG_STAGE} PROPERTIES _EP_really-install_EXCLUDE_FROM_MAIN On) 730 ExternalProject_Add_Step(${NEXT_CLANG_STAGE} really-install 731 COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --target install 732 COMMENT "Performing install step for '${NEXT_CLANG_STAGE}'" 733 DEPENDEES build 734 ${cmake_3_4_USES_TERMINAL} 735 ) 736 ExternalProject_Add_StepTargets(${NEXT_CLANG_STAGE} really-install) 737 add_custom_target(${NEXT_CLANG_STAGE}-install DEPENDS ${NEXT_CLANG_STAGE}-really-install) 738 739 if(NOT CLANG_BOOTSTRAP_TARGETS) 740 set(CLANG_BOOTSTRAP_TARGETS check-llvm check-clang check-all) 741 endif() 742 foreach(target ${CLANG_BOOTSTRAP_TARGETS}) 743 # exclude from main target 744 set_target_properties(${NEXT_CLANG_STAGE} PROPERTIES _EP_${target}_EXCLUDE_FROM_MAIN On) 745 746 ExternalProject_Add_Step(${NEXT_CLANG_STAGE} ${target} 747 COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --target ${target} 748 COMMENT "Performing ${target} for '${NEXT_CLANG_STAGE}'" 749 DEPENDEES configure 750 ${cmake_3_4_USES_TERMINAL} 751 ) 752 753 if(target MATCHES "^stage[0-9]*") 754 add_custom_target(${target} DEPENDS ${NEXT_CLANG_STAGE}-${target}) 755 endif() 756 757 ExternalProject_Add_StepTargets(${NEXT_CLANG_STAGE} ${target}) 758 endforeach() 759 endif() 760
