1 cmake_minimum_required(VERSION 2.8.8)
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)
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)
13 cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required
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 )
22 # Rely on llvm-config.
24 find_program(LLVM_CONFIG "llvm-config")
26 message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}")
27 set(CONFIG_COMMAND ${LLVM_CONFIG}
35 COMMAND ${CONFIG_COMMAND}
36 RESULT_VARIABLE HAD_ERROR
37 OUTPUT_VARIABLE CONFIG_OUTPUT
41 "[ \t]*[\r\n]+[ \t]*" ";"
42 CONFIG_OUTPUT ${CONFIG_OUTPUT})
44 string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}")
45 message(STATUS "${CONFIG_COMMAND_STR}")
46 message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}")
49 message(FATAL_ERROR "llvm-config not found -- ${LLVM_CONFIG}")
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)
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)
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")
72 find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR}
75 set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm")
76 set(LLVMCONFIG_FILE "${LLVM_CMAKE_PATH}/LLVMConfig.cmake")
77 if(EXISTS ${LLVMCONFIG_FILE})
78 list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
79 include(${LLVMCONFIG_FILE})
81 message(FATAL_ERROR "Not found: ${LLVMCONFIG_FILE}")
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})
88 # DLL platform -- put DLLs into bin.
89 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
91 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
94 option(LLVM_INSTALL_TOOLCHAIN_ONLY
95 "Only include toolchain files in the 'install' target." OFF)
97 option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
98 "Set to ON to force using an old, unsupported host toolchain." OFF)
99 option(CLANG_ENABLE_BOOTSTRAP "Generate the clang bootstrap target" OFF)
103 include(HandleLLVMOptions)
104 include(VersionFromVCS)
106 set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")
108 if (NOT DEFINED LLVM_INCLUDE_TESTS)
109 set(LLVM_INCLUDE_TESTS ON)
112 include_directories("${LLVM_BINARY_DIR}/include" "${LLVM_MAIN_INCLUDE_DIR}")
113 link_directories("${LLVM_LIBRARY_DIR}")
115 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin )
116 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
117 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
119 if(LLVM_INCLUDE_TESTS)
120 set(Python_ADDITIONAL_VERSIONS 2.7)
121 include(FindPythonInterp)
122 if(NOT PYTHONINTERP_FOUND)
124 "Unable to find Python interpreter, required for builds and testing.
126 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
129 if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
130 message(FATAL_ERROR "Python 2.7 or newer is required")
133 # Check prebuilt llvm/utils.
134 if(EXISTS ${LLVM_TOOLS_BINARY_DIR}/FileCheck${CMAKE_EXECUTABLE_SUFFIX}
135 AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/count${CMAKE_EXECUTABLE_SUFFIX}
136 AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/not${CMAKE_EXECUTABLE_SUFFIX})
137 set(LLVM_UTILS_PROVIDED ON)
140 if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
141 set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
142 if(NOT LLVM_UTILS_PROVIDED)
143 add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/FileCheck utils/FileCheck)
144 add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/count utils/count)
145 add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/not utils/not)
146 set(LLVM_UTILS_PROVIDED ON)
147 set(CLANG_TEST_DEPS FileCheck count not)
149 set(UNITTEST_DIR ${LLVM_MAIN_SRC_DIR}/utils/unittest)
150 if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h
151 AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
152 AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt)
153 add_subdirectory(${UNITTEST_DIR} utils/unittest)
156 # Seek installed Lit.
157 find_program(LLVM_LIT "lit.py" ${LLVM_MAIN_SRC_DIR}/utils/lit
158 DOC "Path to lit.py")
162 # Define the default arguments to use with 'lit', and an option for the user
164 set(LIT_ARGS_DEFAULT "-sv")
166 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
168 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
170 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
171 if( WIN32 AND NOT CYGWIN )
172 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
175 set(LLVM_INCLUDE_TESTS OFF)
179 set( CLANG_BUILT_STANDALONE 1 )
180 set(BACKEND_PACKAGE_STRING "LLVM ${LLVM_PACKAGE_VERSION}")
182 set(BACKEND_PACKAGE_STRING "${PACKAGE_STRING}")
185 find_package(LibXml2 2.5.3 QUIET)
187 set(CLANG_HAVE_LIBXML 1)
190 set(CLANG_RESOURCE_DIR "" CACHE STRING
191 "Relative directory from the Clang binary to its resource files.")
193 set(C_INCLUDE_DIRS "" CACHE STRING
194 "Colon separated list of directories clang will search for headers.")
196 set(GCC_INSTALL_PREFIX "" CACHE PATH "Directory where gcc is installed." )
197 set(DEFAULT_SYSROOT "" CACHE PATH
198 "Default <path> to all compiler invocations for --sysroot=<path>." )
200 set(CLANG_DEFAULT_CXX_STDLIB "" CACHE STRING
201 "Default C++ stdlib to use (empty for architecture default, \"libstdc++\" or \"libc++\"")
202 if (NOT(CLANG_DEFAULT_CXX_STDLIB STREQUAL "" OR
203 CLANG_DEFAULT_CXX_STDLIB STREQUAL "libstdc++" OR
204 CLANG_DEFAULT_CXX_STDLIB STREQUAL "libc++"))
205 message(WARNING "Resetting default C++ stdlib to use architecture default")
206 set(CLANG_DEFAULT_CXX_STDLIB "")
209 set(CLANG_DEFAULT_OPENMP_RUNTIME "libomp" CACHE STRING
210 "Default OpenMP runtime used by -fopenmp.")
212 set(CLANG_VENDOR ${PACKAGE_VENDOR} CACHE STRING
213 "Vendor-specific text for showing with version information.")
216 add_definitions( -DCLANG_VENDOR="${CLANG_VENDOR} " )
219 set(CLANG_REPOSITORY_STRING "" CACHE STRING
220 "Vendor-specific text for showing the repository the source is taken from.")
222 if(CLANG_REPOSITORY_STRING)
223 add_definitions(-DCLANG_REPOSITORY_STRING="${CLANG_REPOSITORY_STRING}")
226 option(CLANG_APPEND_VC_REV
227 "Append the version control system revision id to clang version spew" OFF)
228 if(CLANG_APPEND_VC_REV)
230 # This macro will set SVN_REVISION in the parent scope
231 add_version_info_from_vcs(VERSION_VAR)
235 add_definitions(-DSVN_REVISION="${SVN_REVISION}")
239 set(CLANG_VENDOR_UTI "org.llvm.clang" CACHE STRING
240 "Vendor-specific uti.")
242 # The libdir suffix must exactly match whatever LLVM's configuration used.
243 set(CLANG_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}")
245 set(CLANG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
246 set(CLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
248 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
249 message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
250 "the makefiles distributed with LLVM. Please create a directory and run cmake "
251 "from there, passing the path to this source directory as the last argument. "
252 "This process created the file `CMakeCache.txt' and the directory "
253 "`CMakeFiles'. Please delete them.")
256 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
258 tablegenned_files_on_include_dir
259 "${CLANG_SOURCE_DIR}/include/clang/*.inc")
260 if( tablegenned_files_on_include_dir )
261 message(FATAL_ERROR "Apparently there is a previous in-source build, "
262 "probably as the result of running `configure' and `make' on "
263 "${CLANG_SOURCE_DIR}. This may cause problems. The suspicious files are:\n"
264 "${tablegenned_files_on_include_dir}\nPlease clean the source directory.")
268 # Compute the Clang version from the LLVM version.
269 string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
271 message(STATUS "Clang version: ${CLANG_VERSION}")
273 string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" CLANG_VERSION_MAJOR
275 string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" CLANG_VERSION_MINOR
277 if (${CLANG_VERSION} MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+")
278 set(CLANG_HAS_VERSION_PATCHLEVEL 1)
279 string(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" CLANG_VERSION_PATCHLEVEL
282 set(CLANG_HAS_VERSION_PATCHLEVEL 0)
285 # Configure the Version.inc file.
287 ${CMAKE_CURRENT_SOURCE_DIR}/include/clang/Basic/Version.inc.in
288 ${CMAKE_CURRENT_BINARY_DIR}/include/clang/Basic/Version.inc)
290 # Add appropriate flags for GCC
291 if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
292 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual")
293 if (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
294 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
297 # Enable -pedantic for Clang even if it's not enabled for LLVM.
298 if (NOT LLVM_ENABLE_PEDANTIC)
299 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Wno-long-long")
302 check_cxx_compiler_flag("-Werror -Wnested-anon-types" CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG)
303 if( CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG )
304 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-nested-anon-types" )
308 # Determine HOST_LINK_VERSION on Darwin.
309 set(HOST_LINK_VERSION)
313 COMMAND sh -c "${CMAKE_LINKER} -v 2>&1 | head -1"
314 RESULT_VARIABLE HAD_ERROR
315 OUTPUT_VARIABLE LD_V_OUTPUT
318 if ("${LD_V_OUTPUT}" MATCHES ".*ld64-([0-9.]+).*")
319 string(REGEX REPLACE ".*ld64-([0-9.]+).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT})
320 elseif ("${LD_V_OUTPUT}" MATCHES "[^0-9]*([0-9.]+).*")
321 string(REGEX REPLACE "[^0-9]*([0-9.]+).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT})
324 message(FATAL_ERROR "${CMAKE_LINKER} failed with status ${HAD_ERROR}")
329 ${CLANG_SOURCE_DIR}/include/clang/Config/config.h.cmake
330 ${CLANG_BINARY_DIR}/include/clang/Config/config.h)
332 include(CMakeParseArguments)
334 function(clang_tablegen)
336 # clang_tablegen output-file [tablegen-arg ...] SOURCE source-file
337 # [[TARGET cmake-target-name] [DEPENDS extra-dependency ...]]
339 # Generates a custom command for invoking tblgen as
341 # tblgen source-file -o=output-file tablegen-arg ...
343 # and, if cmake-target-name is provided, creates a custom target for
344 # executing the custom command depending on output-file. It is
345 # possible to list more files to depend after DEPENDS.
347 cmake_parse_arguments(CTG "" "SOURCE;TARGET" "" ${ARGN})
350 message(FATAL_ERROR "SOURCE source-file required by clang_tablegen")
353 set( LLVM_TARGET_DEFINITIONS ${CTG_SOURCE} )
354 tablegen(CLANG ${CTG_UNPARSED_ARGUMENTS})
357 add_public_tablegen_target(${CTG_TARGET})
358 set_target_properties( ${CTG_TARGET} PROPERTIES FOLDER "Clang tablegenning")
359 set_property(GLOBAL APPEND PROPERTY CLANG_TABLEGEN_TARGETS ${CTG_TARGET})
361 endfunction(clang_tablegen)
363 macro(set_clang_windows_version_resource_properties name)
364 if(DEFINED windows_resource_file)
365 set_windows_version_resource_properties(${name} ${windows_resource_file}
366 VERSION_MAJOR ${CLANG_VERSION_MAJOR}
367 VERSION_MINOR ${CLANG_VERSION_MINOR}
368 VERSION_PATCHLEVEL ${CLANG_VERSION_PATCHLEVEL}
369 VERSION_STRING "${CLANG_VERSION} (${BACKEND_PACKAGE_STRING})"
370 PRODUCT_NAME "clang")
374 macro(add_clang_subdirectory name)
375 add_llvm_subdirectory(CLANG TOOL ${name})
378 macro(add_clang_library name)
379 cmake_parse_arguments(ARG
385 if(MSVC_IDE OR XCODE)
387 file(RELATIVE_PATH lib_path
388 ${CLANG_SOURCE_DIR}/lib/
389 ${CMAKE_CURRENT_SOURCE_DIR}
391 if(NOT lib_path MATCHES "^[.][.]")
392 file( GLOB_RECURSE headers
393 ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.h
394 ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.def
396 set_source_files_properties(${headers} PROPERTIES HEADER_FILE_ONLY ON)
398 file( GLOB_RECURSE tds
399 ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.td
401 source_group("TableGen descriptions" FILES ${tds})
402 set_source_files_properties(${tds}} PROPERTIES HEADER_FILE_ONLY ON)
405 set(srcs ${headers} ${tds})
408 endif(MSVC_IDE OR XCODE)
409 if(srcs OR ARG_ADDITIONAL_HEADERS)
413 ${ARG_ADDITIONAL_HEADERS} # It may contain unparsed unknown args.
417 set(ARG_ENABLE_SHARED SHARED)
419 llvm_add_library(${name} ${ARG_ENABLE_SHARED} ${ARG_UNPARSED_ARGUMENTS} ${srcs})
422 target_link_libraries(${name} ${cmake_2_8_12_INTERFACE} ${LLVM_COMMON_LIBS})
424 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "libclang")
425 install(TARGETS ${name}
428 LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
429 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
430 RUNTIME DESTINATION bin)
432 if (${ARG_SHARED} AND NOT CMAKE_CONFIGURATION_TYPES)
433 add_custom_target(install-${name}
435 COMMAND "${CMAKE_COMMAND}"
436 -DCMAKE_INSTALL_COMPONENT=${name}
437 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
440 set_property(GLOBAL APPEND PROPERTY CLANG_EXPORTS ${name})
442 # Add empty "phony" target
443 add_custom_target(${name})
446 set_target_properties(${name} PROPERTIES FOLDER "Clang libraries")
447 set_clang_windows_version_resource_properties(${name})
448 endmacro(add_clang_library)
450 macro(add_clang_executable name)
451 add_llvm_executable( ${name} ${ARGN} )
452 set_target_properties(${name} PROPERTIES FOLDER "Clang executables")
453 set_clang_windows_version_resource_properties(${name})
454 endmacro(add_clang_executable)
456 macro(add_clang_tool name)
457 add_clang_executable(${name} ${ARGN})
458 install(TARGETS ${name}
459 RUNTIME DESTINATION bin
462 if(NOT CMAKE_CONFIGURATION_TYPES)
463 add_custom_target(install-${name}
465 COMMAND "${CMAKE_COMMAND}"
466 -DCMAKE_INSTALL_COMPONENT=${name}
467 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
471 macro(add_clang_symlink name dest)
472 add_llvm_tool_symlink(${name} ${dest} ALWAYS_GENERATE)
473 # Always generate install targets
474 llvm_install_symlink(${name} ${dest} ALWAYS_GENERATE)
477 set(CMAKE_INCLUDE_CURRENT_DIR ON)
479 include_directories(BEFORE
480 ${CMAKE_CURRENT_BINARY_DIR}/include
481 ${CMAKE_CURRENT_SOURCE_DIR}/include
484 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
485 install(DIRECTORY include/clang include/clang-c
490 PATTERN "config.h" EXCLUDE
491 PATTERN ".svn" EXCLUDE
494 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/clang
497 PATTERN "CMakeFiles" EXCLUDE
503 add_definitions( -D_GNU_SOURCE )
505 option(CLANG_ENABLE_ARCMT "Build ARCMT." ON)
506 if (CLANG_ENABLE_ARCMT)
507 set(ENABLE_CLANG_ARCMT "1")
509 set(ENABLE_CLANG_ARCMT "0")
512 option(CLANG_ENABLE_STATIC_ANALYZER "Build static analyzer." ON)
513 if (CLANG_ENABLE_STATIC_ANALYZER)
514 set(ENABLE_CLANG_STATIC_ANALYZER "1")
516 set(ENABLE_CLANG_STATIC_ANALYZER "0")
519 if (NOT CLANG_ENABLE_STATIC_ANALYZER AND CLANG_ENABLE_ARCMT)
520 message(FATAL_ERROR "Cannot disable static analyzer while enabling ARCMT")
523 if(CLANG_ENABLE_ARCMT)
524 add_definitions(-DCLANG_ENABLE_ARCMT)
525 add_definitions(-DCLANG_ENABLE_OBJC_REWRITER)
527 if(CLANG_ENABLE_STATIC_ANALYZER)
528 add_definitions(-DCLANG_ENABLE_STATIC_ANALYZER)
531 # Clang version information
532 set(CLANG_EXECUTABLE_VERSION
533 "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING
534 "Version number that will be placed into the clang executable, in the form XX.YY")
535 set(LIBCLANG_LIBRARY_VERSION
536 "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING
537 "Version number that will be placed into the libclang library , in the form XX.YY")
538 mark_as_advanced(CLANG_EXECUTABLE_VERSION LIBCLANG_LIBRARY_VERSION)
540 option(CLANG_INCLUDE_TESTS
541 "Generate build targets for the Clang unit tests."
542 ${LLVM_INCLUDE_TESTS})
544 add_subdirectory(utils/TableGen)
546 add_subdirectory(include)
548 # All targets below may depend on all tablegen'd files.
549 get_property(CLANG_TABLEGEN_TARGETS GLOBAL PROPERTY CLANG_TABLEGEN_TARGETS)
550 list(APPEND LLVM_COMMON_DEPENDS ${CLANG_TABLEGEN_TARGETS})
552 add_subdirectory(lib)
553 add_subdirectory(tools)
554 add_subdirectory(runtime)
556 option(CLANG_BUILD_EXAMPLES "Build CLANG example programs by default." OFF)
557 if (CLANG_BUILD_EXAMPLES)
558 set(ENABLE_CLANG_EXAMPLES "1")
560 set(ENABLE_CLANG_EXAMPLES "0")
562 add_subdirectory(examples)
564 if( CLANG_INCLUDE_TESTS )
565 if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include/gtest/gtest.h)
566 add_subdirectory(unittests)
567 list(APPEND CLANG_TEST_DEPS ClangUnitTests)
568 list(APPEND CLANG_TEST_PARAMS
569 clang_unit_site_config=${CMAKE_CURRENT_BINARY_DIR}/test/Unit/lit.site.cfg
572 add_subdirectory(test)
574 if(CLANG_BUILT_STANDALONE)
575 # Add a global check rule now that all subdirectories have been traversed
576 # and we know the total set of lit testsuites.
577 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
578 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
579 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
580 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
581 add_lit_target(check-all
582 "Running all regression tests"
583 ${LLVM_LIT_TESTSUITES}
584 PARAMS ${LLVM_LIT_PARAMS}
585 DEPENDS ${LLVM_LIT_DEPENDS}
586 ARGS ${LLVM_LIT_EXTRA_ARGS}
589 add_subdirectory(utils/perf-training)
592 option(CLANG_INCLUDE_DOCS "Generate build targets for the Clang docs."
593 ${LLVM_INCLUDE_DOCS})
594 if( CLANG_INCLUDE_DOCS )
595 add_subdirectory(docs)
598 if(EXISTS "${CMAKE_CURRENT_BINARY_DIR}/clang.order")
599 file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/clang.order")
602 if(CLANG_ORDER_FILE STREQUAL "${CMAKE_CURRENT_BINARY_DIR}/clang.order")
603 unset(CLANG_ORDER_FILE CACHE)
604 unset(CLANG_ORDER_FILE)
607 set(CLANG_ORDER_FILE "" CACHE FILEPATH
608 "Order file to use when compiling clang in order to improve startup time.")
610 if (CLANG_BUILT_STANDALONE OR CMAKE_VERSION VERSION_EQUAL 3 OR
611 CMAKE_VERSION VERSION_GREATER 3)
612 # Generate a list of CMake library targets so that other CMake projects can
613 # link against them. LLVM calls its version of this file LLVMExports.cmake, but
614 # the usual CMake convention seems to be ${Project}Targets.cmake.
615 set(CLANG_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/clang)
616 set(clang_cmake_builddir "${CMAKE_BINARY_DIR}/${CLANG_INSTALL_PACKAGE_DIR}")
617 get_property(CLANG_EXPORTS GLOBAL PROPERTY CLANG_EXPORTS)
618 export(TARGETS ${CLANG_EXPORTS} FILE ${clang_cmake_builddir}/ClangTargets.cmake)
620 # Install a <prefix>/lib/cmake/clang/ClangConfig.cmake file so that
621 # find_package(Clang) works. Install the target list with it.
622 install(EXPORT ClangTargets DESTINATION ${CLANG_INSTALL_PACKAGE_DIR})
625 ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake
626 DESTINATION lib${LLVM_LIBDIR_SUFFIX}/cmake/clang)
628 # Also copy ClangConfig.cmake to the build directory so that dependent projects
629 # can build against a build directory of Clang more easily.
631 ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake
632 ${CLANG_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/clang/ClangConfig.cmake
636 if (CLANG_ENABLE_BOOTSTRAP)
637 include(ExternalProject)
639 if(CMAKE_VERSION VERSION_GREATER 3.1.0)
640 set(cmake_3_1_EXCLUDE_FROM_ALL EXCLUDE_FROM_ALL 1)
643 if(CMAKE_VERSION VERSION_GREATER 3.3.20150708)
644 set(cmake_3_4_USES_TERMINAL_OPTIONS
645 USES_TERMINAL_CONFIGURE 1
646 USES_TERMINAL_BUILD 1
647 USES_TERMINAL_INSTALL 1
649 set(cmake_3_4_USES_TERMINAL USES_TERMINAL 1)
653 set(CLANG_STAGE stage1)
654 message(STATUS "Setting current clang stage to: ${CLANG_STAGE}")
657 string(REGEX MATCH "stage([0-9]*)" MATCHED_STAGE "${CLANG_STAGE}")
659 if(NOT LLVM_BUILD_INSTRUMENTED)
660 math(EXPR STAGE_NUM "${CMAKE_MATCH_1} + 1")
661 set(NEXT_CLANG_STAGE stage${STAGE_NUM})
663 set(NEXT_CLANG_STAGE stage${CMAKE_MATCH_1})
666 set(NEXT_CLANG_STAGE bootstrap)
669 if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED)
670 set(NEXT_CLANG_STAGE ${NEXT_CLANG_STAGE}-instrumented)
672 message(STATUS "Setting next clang stage to: ${NEXT_CLANG_STAGE}")
675 set(STAMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-stamps/)
676 set(BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-bins/)
678 # If on Darwin we need to make bootstrap depend on LTO and pass
679 # DARWIN_LTO_LIBRARY so that -flto will work using the just-built compiler
680 if(BOOTSTRAP_LLVM_ENABLE_LTO OR LLVM_ENABLE_LTO)
681 set(LTO_DEP LTO llvm-ar llvm-ranlib)
682 set(LTO_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar)
683 set(LTO_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib)
685 set(LTO_LIBRARY -DDARWIN_LTO_LIBRARY=${LLVM_SHLIB_OUTPUT_INTDIR}/libLTO.dylib)
687 list(APPEND LTO_DEP LLVMgold)
691 add_custom_target(${NEXT_CLANG_STAGE}-clear
692 DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-cleared
695 OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-cleared
696 DEPENDS clang ${LTO_DEP}
697 COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR}
698 COMMAND ${CMAKE_COMMAND} -E make_directory ${BINARY_DIR}
699 COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR}
700 COMMAND ${CMAKE_COMMAND} -E make_directory ${STAMP_DIR}
701 COMMENT "Clobberring ${NEXT_CLANG_STAGE} build and stamp directories"
704 if(CMAKE_VERBOSE_MAKEFILE)
705 set(verbose -DCMAKE_VERBOSE_MAKEFILE=On)
708 set(BOOTSTRAP_DEFAULT_PASSTHROUGH
715 CLANG_REPOSITORY_STRING
718 if(TARGET compiler-rt)
719 set(RUNTIME_DEP compiler-rt)
723 -DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++
724 -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang
725 -DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang)
727 if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED)
728 set(PGO_DEP llvm-profdata)
729 set(PGO_OPT -DLLVM_PROFDATA=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-profdata)
732 if(LLVM_BUILD_INSTRUMENTED)
733 set(PGO_DEP generate-profdata)
734 set(PGO_OPT -DLLVM_PROFDATA_FILE=${CMAKE_CURRENT_BINARY_DIR}/utils/perf-training/clang.profdata)
736 -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
737 -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
738 -DCMAKE_ASM_COMPILER=${CMAKE_ASM_COMPILER})
739 set(RUNTIME_DEP) # Don't set runtime dependencies
742 # Find all variables that start with BOOTSTRAP_ and populate a variable with
744 get_cmake_property(variableNames VARIABLES)
745 foreach(variableName ${variableNames})
746 if(variableName MATCHES "^BOOTSTRAP_")
747 string(SUBSTRING ${variableName} 10 -1 varName)
748 string(REPLACE ";" "\;" value "${${variableName}}")
749 list(APPEND PASSTHROUGH_VARIABLES
750 -D${varName}=${value})
752 if(${variableName} AND variableName MATCHES "LLVM_EXTERNAL_.*_SOURCE_DIR")
753 list(APPEND PASSTHROUGH_VARIABLES
754 -D${variableName}=${${variableName}})
758 # Populate the passthrough variables
759 foreach(variableName ${CLANG_BOOTSTRAP_PASSTHROUGH} ${BOOTSTRAP_DEFAULT_PASSTHROUGH})
761 string(REPLACE ";" "\;" value ${${variableName}})
762 list(APPEND PASSTHROUGH_VARIABLES
763 -D${variableName}=${value})
767 ExternalProject_Add(${NEXT_CLANG_STAGE}
768 DEPENDS clang ${LTO_DEP} ${RUNTIME_DEP} ${PGO_DEP}
769 PREFIX ${NEXT_CLANG_STAGE}
770 SOURCE_DIR ${CMAKE_SOURCE_DIR}
771 STAMP_DIR ${STAMP_DIR}
772 BINARY_DIR ${BINARY_DIR}
773 ${cmake_3_1_EXCLUDE_FROM_ALL}
775 # We shouldn't need to set this here, but INSTALL_DIR doesn't
776 # seem to work, so instead I'm passing this through
777 -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
778 ${CLANG_BOOTSTRAP_CMAKE_ARGS}
779 ${PASSTHROUGH_VARIABLES}
780 -DCLANG_STAGE=${NEXT_CLANG_STAGE}
782 ${LTO_LIBRARY} ${LTO_AR} ${LTO_RANLIB} ${verbose} ${PGO_OPT}
784 STEP_TARGETS configure build
785 ${cmake_3_4_USES_TERMINAL_OPTIONS}
788 # exclude really-install from main target
789 set_target_properties(${NEXT_CLANG_STAGE} PROPERTIES _EP_really-install_EXCLUDE_FROM_MAIN On)
790 ExternalProject_Add_Step(${NEXT_CLANG_STAGE} really-install
791 COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --target install
792 COMMENT "Performing install step for '${NEXT_CLANG_STAGE}'"
794 ${cmake_3_4_USES_TERMINAL}
796 ExternalProject_Add_StepTargets(${NEXT_CLANG_STAGE} really-install)
797 add_custom_target(${NEXT_CLANG_STAGE}-install DEPENDS ${NEXT_CLANG_STAGE}-really-install)
799 if(NOT CLANG_BOOTSTRAP_TARGETS)
800 set(CLANG_BOOTSTRAP_TARGETS check-llvm check-clang check-all)
802 foreach(target ${CLANG_BOOTSTRAP_TARGETS})
803 # exclude from main target
804 set_target_properties(${NEXT_CLANG_STAGE} PROPERTIES _EP_${target}_EXCLUDE_FROM_MAIN On)
806 ExternalProject_Add_Step(${NEXT_CLANG_STAGE} ${target}
807 COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --target ${target}
808 COMMENT "Performing ${target} for '${NEXT_CLANG_STAGE}'"
810 ${cmake_3_4_USES_TERMINAL}
813 if(target MATCHES "^stage[0-9]*")
814 add_custom_target(${target} DEPENDS ${NEXT_CLANG_STAGE}-${target})
817 ExternalProject_Add_StepTargets(${NEXT_CLANG_STAGE} ${target})
821 if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION)
822 add_subdirectory(utils/ClangVisualizers)