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1# See docs/CMake.html for instructions about how to build LLVM with CMake.
2
3cmake_minimum_required(VERSION 3.4.3)
4
5cmake_policy(SET CMP0022 NEW)
6
7cmake_policy(SET CMP0048 NEW)
8
9# CMake 3.1 and higher include generator expressions of the form
10# $<TARGETLIB:obj> in the SOURCES property.  These need to be
11# stripped everywhere that access the SOURCES property, so we just
12# defer to the OLD behavior of not including generator expressions
13# in the output for now.
14cmake_policy(SET CMP0051 OLD)
15
16cmake_policy(SET CMP0056 NEW)
17
18cmake_policy(SET CMP0057 NEW)
19
20if(POLICY CMP0068)
21  cmake_policy(SET CMP0068 NEW)
22  set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
23endif()
24
25if(NOT DEFINED LLVM_VERSION_MAJOR)
26  set(LLVM_VERSION_MAJOR 7)
27endif()
28if(NOT DEFINED LLVM_VERSION_MINOR)
29  set(LLVM_VERSION_MINOR 0)
30endif()
31if(NOT DEFINED LLVM_VERSION_PATCH)
32  set(LLVM_VERSION_PATCH 1)
33endif()
34if(NOT DEFINED LLVM_VERSION_SUFFIX)
35  set(LLVM_VERSION_SUFFIX "")
36endif()
37
38if (NOT PACKAGE_VERSION)
39  set(PACKAGE_VERSION
40    "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}")
41endif()
42
43if ((CMAKE_GENERATOR MATCHES "Visual Studio") AND (CMAKE_GENERATOR_TOOLSET STREQUAL ""))
44  message(WARNING "Visual Studio generators use the x86 host compiler by "
45                  "default, even for 64-bit targets. This can result in linker "
46                  "instability and out of memory errors. To use the 64-bit "
47                  "host compiler, pass -Thost=x64 on the CMake command line.")
48endif()
49
50project(LLVM
51  VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}
52  LANGUAGES C CXX ASM)
53
54if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
55  message(STATUS "No build type selected, default to Debug")
56  set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Build type (default Debug)" FORCE)
57endif()
58
59# This should only apply if you are both on an Apple host, and targeting Apple.
60if(CMAKE_HOST_APPLE AND APPLE)
61  # if CMAKE_LIBTOOL is not set, try and find it with xcrun or find_program
62  if(NOT CMAKE_LIBTOOL)
63    if(NOT CMAKE_XCRUN)
64      find_program(CMAKE_XCRUN NAMES xcrun)
65    endif()
66    if(CMAKE_XCRUN)
67      execute_process(COMMAND ${CMAKE_XCRUN} -find libtool
68        OUTPUT_VARIABLE CMAKE_LIBTOOL
69        OUTPUT_STRIP_TRAILING_WHITESPACE)
70    endif()
71
72    if(NOT CMAKE_LIBTOOL OR NOT EXISTS CMAKE_LIBTOOL)
73      find_program(CMAKE_LIBTOOL NAMES libtool)
74    endif()
75  endif()
76
77  get_property(languages GLOBAL PROPERTY ENABLED_LANGUAGES)
78  if(CMAKE_LIBTOOL)
79    set(CMAKE_LIBTOOL ${CMAKE_LIBTOOL} CACHE PATH "libtool executable")
80    message(STATUS "Found libtool - ${CMAKE_LIBTOOL}")
81
82    execute_process(COMMAND ${CMAKE_LIBTOOL} -V
83      OUTPUT_VARIABLE LIBTOOL_V_OUTPUT
84      OUTPUT_STRIP_TRAILING_WHITESPACE)
85    if("${LIBTOOL_V_OUTPUT}" MATCHES ".*cctools-([0-9.]+).*")
86      string(REGEX REPLACE ".*cctools-([0-9.]+).*" "\\1" LIBTOOL_VERSION
87        ${LIBTOOL_V_OUTPUT})
88      if(NOT LIBTOOL_VERSION VERSION_LESS "862")
89        set(LIBTOOL_NO_WARNING_FLAG "-no_warning_for_no_symbols")
90      endif()
91    endif()
92
93    foreach(lang ${languages})
94      set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
95        "\"${CMAKE_LIBTOOL}\" -static ${LIBTOOL_NO_WARNING_FLAG} -o <TARGET> \
96        <LINK_FLAGS> <OBJECTS> ")
97    endforeach()
98  endif()
99
100  # If DYLD_LIBRARY_PATH is set we need to set it on archiver commands
101  if(DYLD_LIBRARY_PATH)
102    set(dyld_envar "DYLD_LIBRARY_PATH=${DYLD_LIBRARY_PATH}")
103    foreach(lang ${languages})
104      foreach(cmd ${CMAKE_${lang}_CREATE_STATIC_LIBRARY})
105        list(APPEND CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW
106             "${dyld_envar} ${cmd}")
107      endforeach()
108      set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
109        ${CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW})
110    endforeach()
111  endif()
112endif()
113
114# Side-by-side subprojects layout: automatically set the
115# LLVM_EXTERNAL_${project}_SOURCE_DIR using LLVM_ALL_PROJECTS
116# This allows an easy way of setting up a build directory for llvm and another
117# one for llvm+clang+... using the same sources.
118set(LLVM_ALL_PROJECTS "clang;libcxx;libcxxabi;lldb;compiler-rt;lld;polly;debuginfo-tests")
119set(LLVM_ENABLE_PROJECTS "" CACHE STRING
120	"Semicolon-separated list of projects to build (${LLVM_ALL_PROJECTS}), or \"all\".")
121if( LLVM_ENABLE_PROJECTS STREQUAL "all" )
122  set( LLVM_ENABLE_PROJECTS ${LLVM_ALL_PROJECTS})
123endif()
124foreach(proj ${LLVM_ENABLE_PROJECTS})
125  set(PROJ_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}")
126  if(NOT EXISTS "${PROJ_DIR}" OR NOT IS_DIRECTORY "${PROJ_DIR}")
127    message(FATAL_ERROR "LLVM_ENABLE_PROJECTS requests ${proj} but directory not found: ${PROJ_DIR}")
128  endif()
129  string(TOUPPER "${proj}" upper_proj)
130  STRING(REGEX REPLACE "-" "_" upper_proj ${upper_proj})
131  set(LLVM_EXTERNAL_${upper_proj}_SOURCE_DIR   "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}")
132  # There is a widely spread opinion that clang-tools-extra should be merged
133  # into clang. The following simulates it by always enabling clang-tools-extra
134  # when enabling clang.
135  if (proj STREQUAL "clang")
136    set(LLVM_EXTERNAL_CLANG_TOOLS_EXTRA_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../clang-tools-extra")
137  endif()
138endforeach()
139
140# Build llvm with ccache if the package is present
141set(LLVM_CCACHE_BUILD OFF CACHE BOOL "Set to ON for a ccache enabled build")
142if(LLVM_CCACHE_BUILD)
143  find_program(CCACHE_PROGRAM ccache)
144  if(CCACHE_PROGRAM)
145      set(LLVM_CCACHE_MAXSIZE "" CACHE STRING "Size of ccache")
146      set(LLVM_CCACHE_DIR "" CACHE STRING "Directory to keep ccached data")
147      set(LLVM_CCACHE_PARAMS "CCACHE_CPP2=yes CCACHE_HASHDIR=yes"
148          CACHE STRING "Parameters to pass through to ccache")
149
150      set(CCACHE_PROGRAM "${LLVM_CCACHE_PARAMS} ${CCACHE_PROGRAM}")
151      if (LLVM_CCACHE_MAXSIZE)
152        set(CCACHE_PROGRAM "CCACHE_MAXSIZE=${LLVM_CCACHE_MAXSIZE} ${CCACHE_PROGRAM}")
153      endif()
154      if (LLVM_CCACHE_DIR)
155        set(CCACHE_PROGRAM "CCACHE_DIR=${LLVM_CCACHE_DIR} ${CCACHE_PROGRAM}")
156      endif()
157      set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_PROGRAM})
158  else()
159    message(FATAL_ERROR "Unable to find the program ccache. Set LLVM_CCACHE_BUILD to OFF")
160  endif()
161endif()
162
163option(LLVM_DEPENDENCY_DEBUGGING "Dependency debugging mode to verify correctly expressed library dependencies (Darwin only)" OFF)
164
165# Some features of the LLVM build may be disallowed when dependency debugging is
166# enabled. In particular you cannot use ccache because we want to force compile
167# operations to always happen.
168if(LLVM_DEPENDENCY_DEBUGGING)
169  if(NOT CMAKE_HOST_APPLE)
170    message(FATAL_ERROR "Dependency debugging is only currently supported on Darwin hosts.")
171  endif()
172  if(LLVM_CCACHE_BUILD)
173    message(FATAL_ERROR "Cannot enable dependency debugging while using ccache.")
174  endif()
175endif()
176
177option(LLVM_ENABLE_DAGISEL_COV "Debug: Prints tablegen patterns that were used for selecting" OFF)
178option(LLVM_ENABLE_GISEL_COV "Enable collection of GlobalISel rule coverage" OFF)
179if(LLVM_ENABLE_GISEL_COV)
180  set(LLVM_GISEL_COV_PREFIX "${CMAKE_BINARY_DIR}/gisel-coverage-" CACHE STRING "Provide a filename prefix to collect the GlobalISel rule coverage")
181endif()
182
183# Add path for custom modules
184set(CMAKE_MODULE_PATH
185  ${CMAKE_MODULE_PATH}
186  "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
187  "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
188  )
189
190# Generate a CompilationDatabase (compile_commands.json file) for our build,
191# for use by clang_complete, YouCompleteMe, etc.
192set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
193
194option(LLVM_INSTALL_BINUTILS_SYMLINKS
195  "Install symlinks from the binutils tool names to the corresponding LLVM tools." OFF)
196
197option(LLVM_INSTALL_UTILS "Include utility binaries in the 'install' target." OFF)
198
199option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)
200
201option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
202if ( LLVM_USE_FOLDERS )
203  set_property(GLOBAL PROPERTY USE_FOLDERS ON)
204endif()
205
206include(VersionFromVCS)
207
208option(LLVM_APPEND_VC_REV
209  "Embed the version control system revision id in LLVM" ON)
210
211set(PACKAGE_NAME LLVM)
212set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
213set(PACKAGE_BUGREPORT "https://bugs.llvm.org/")
214
215set(BUG_REPORT_URL "${PACKAGE_BUGREPORT}" CACHE STRING
216  "Default URL where bug reports are to be submitted.")
217
218# Configure CPack.
219set(CPACK_PACKAGE_INSTALL_DIRECTORY "LLVM")
220set(CPACK_PACKAGE_VENDOR "LLVM")
221set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
222set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
223set(CPACK_PACKAGE_VERSION_PATCH ${LLVM_VERSION_PATCH})
224set(CPACK_PACKAGE_VERSION ${PACKAGE_VERSION})
225set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT")
226set(CPACK_NSIS_COMPRESSOR "/SOLID lzma \r\n SetCompressorDictSize 32")
227if(WIN32 AND NOT UNIX)
228  set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "LLVM")
229  set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp")
230  set(CPACK_NSIS_MUI_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
231  set(CPACK_NSIS_MUI_UNIICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
232  set(CPACK_NSIS_MODIFY_PATH "ON")
233  set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL "ON")
234  if( CMAKE_CL_64 )
235    set(CPACK_NSIS_INSTALL_ROOT "$PROGRAMFILES64")
236  endif()
237endif()
238include(CPack)
239
240# Sanity check our source directory to make sure that we are not trying to
241# generate an in-source build (unless on MSVC_IDE, where it is ok), and to make
242# sure that we don't have any stray generated files lying around in the tree
243# (which would end up getting picked up by header search, instead of the correct
244# versions).
245if( CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR AND NOT MSVC_IDE )
246  message(FATAL_ERROR "In-source builds are not allowed.
247CMake would overwrite the makefiles distributed with LLVM.
248Please create a directory and run cmake from there, passing the path
249to this source directory as the last argument.
250This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
251Please delete them.")
252endif()
253if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
254  file(GLOB_RECURSE
255    tablegenned_files_on_include_dir
256    "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen")
257  file(GLOB_RECURSE
258    tablegenned_files_on_lib_dir
259    "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc")
260  if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
261    message(FATAL_ERROR "Apparently there is a previous in-source build,
262probably as the result of running `configure' and `make' on
263${CMAKE_CURRENT_SOURCE_DIR}.
264This may cause problems. The suspicious files are:
265${tablegenned_files_on_lib_dir}
266${tablegenned_files_on_include_dir}
267Please clean the source directory.")
268  endif()
269endif()
270
271string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
272
273if (CMAKE_BUILD_TYPE AND
274    NOT uppercase_CMAKE_BUILD_TYPE MATCHES "^(DEBUG|RELEASE|RELWITHDEBINFO|MINSIZEREL)$")
275  message(FATAL_ERROR "Invalid value for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
276endif()
277
278set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
279
280set(LLVM_TOOLS_INSTALL_DIR "bin" CACHE STRING "Path for binary subdirectory (defaults to 'bin')")
281mark_as_advanced(LLVM_TOOLS_INSTALL_DIR)
282
283set(LLVM_UTILS_INSTALL_DIR "${LLVM_TOOLS_INSTALL_DIR}" CACHE STRING
284    "Path to install LLVM utilities (enabled by LLVM_INSTALL_UTILS=ON) (defaults to LLVM_TOOLS_INSTALL_DIR)")
285mark_as_advanced(LLVM_UTILS_INSTALL_DIR)
286
287# They are used as destination of target generators.
288set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
289set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
290if(WIN32 OR CYGWIN)
291  # DLL platform -- put DLLs into bin.
292  set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
293else()
294  set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
295endif()
296
297# Each of them corresponds to llvm-config's.
298set(LLVM_TOOLS_BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) # --bindir
299set(LLVM_LIBRARY_DIR      ${LLVM_LIBRARY_OUTPUT_INTDIR}) # --libdir
300set(LLVM_MAIN_SRC_DIR     ${CMAKE_CURRENT_SOURCE_DIR}  ) # --src-root
301set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include ) # --includedir
302set(LLVM_BINARY_DIR       ${CMAKE_CURRENT_BINARY_DIR}  ) # --prefix
303
304# Note: LLVM_CMAKE_PATH does not include generated files
305set(LLVM_CMAKE_PATH ${LLVM_MAIN_SRC_DIR}/cmake/modules)
306set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
307set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
308
309# List of all targets to be built by default:
310set(LLVM_ALL_TARGETS
311  AArch64
312  AMDGPU
313  ARM
314  BPF
315  Hexagon
316  Lanai
317  Mips
318  MSP430
319  NVPTX
320  PowerPC
321  Sparc
322  SystemZ
323  X86
324  XCore
325  )
326
327# List of targets with JIT support:
328set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
329
330set(LLVM_TARGETS_TO_BUILD "all"
331    CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
332
333set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
334  CACHE STRING "Semicolon-separated list of experimental targets to build.")
335
336option(BUILD_SHARED_LIBS
337  "Build all libraries as shared libraries instead of static" OFF)
338
339option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
340if(LLVM_ENABLE_BACKTRACES)
341  set(ENABLE_BACKTRACES 1)
342endif()
343
344option(LLVM_ENABLE_CRASH_OVERRIDES "Enable crash overrides." ON)
345if(LLVM_ENABLE_CRASH_OVERRIDES)
346  set(ENABLE_CRASH_OVERRIDES 1)
347endif()
348
349option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
350set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
351set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
352
353set(LLVM_TARGET_ARCH "host"
354  CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
355
356option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
357
358set(LLVM_ENABLE_LIBXML2 "ON" CACHE STRING "Use libxml2 if available. Can be ON, OFF, or FORCE_ON")
359
360option(LLVM_ENABLE_LIBEDIT "Use libedit if available." ON)
361
362option(LLVM_ENABLE_LIBPFM "Use libpfm for performance counters if available." ON)
363
364option(LLVM_ENABLE_THREADS "Use threads if available." ON)
365
366option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
367
368if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
369  set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
370endif()
371
372set(LLVM_TARGETS_TO_BUILD
373   ${LLVM_TARGETS_TO_BUILD}
374   ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
375list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
376
377option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
378option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
379option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF)
380if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
381  option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." ON)
382  option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." OFF)
383else()
384  option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." OFF)
385  option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." ON)
386endif()
387option(LLVM_ENABLE_CXX1Y "Compile with C++1y enabled." OFF)
388option(LLVM_ENABLE_CXX1Z "Compile with C++1z enabled." OFF)
389option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
390option(LLVM_ENABLE_LLD "Use lld as C and C++ linker." OFF)
391option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
392option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
393
394option(LLVM_ENABLE_DUMP "Enable dump functions even when assertions are disabled" OFF)
395
396if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
397  option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
398else()
399  option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
400endif()
401
402option(LLVM_ENABLE_EXPENSIVE_CHECKS "Enable expensive checks" OFF)
403
404set(LLVM_ABI_BREAKING_CHECKS "WITH_ASSERTS" CACHE STRING
405  "Enable abi-breaking checks.  Can be WITH_ASSERTS, FORCE_ON or FORCE_OFF.")
406
407option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
408       "Set to ON to force using an old, unsupported host toolchain." OFF)
409
410option(LLVM_USE_INTEL_JITEVENTS
411  "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
412  OFF)
413
414if( LLVM_USE_INTEL_JITEVENTS )
415  # Verify we are on a supported platform
416  if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
417    message(FATAL_ERROR
418      "Intel JIT API support is available on Linux and Windows only.")
419  endif()
420endif( LLVM_USE_INTEL_JITEVENTS )
421
422option(LLVM_USE_OPROFILE
423  "Use opagent JIT interface to inform OProfile about JIT code" OFF)
424
425option(LLVM_EXTERNALIZE_DEBUGINFO
426  "Generate dSYM files and strip executables and libraries (Darwin Only)" OFF)
427
428option(LLVM_CODESIGNING_IDENTITY
429  "Sign executables and dylibs with the given identity (Darwin Only)" OFF)
430
431# If enabled, verify we are on a platform that supports oprofile.
432if( LLVM_USE_OPROFILE )
433  if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
434    message(FATAL_ERROR "OProfile support is available on Linux only.")
435  endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
436endif( LLVM_USE_OPROFILE )
437
438option(LLVM_USE_PERF
439  "Use perf JIT interface to inform perf about JIT code" OFF)
440
441# If enabled, verify we are on a platform that supports perf.
442if( LLVM_USE_PERF )
443  if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
444    message(FATAL_ERROR "perf support is available on Linux only.")
445  endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
446endif( LLVM_USE_PERF )
447
448set(LLVM_USE_SANITIZER "" CACHE STRING
449  "Define the sanitizer used to build binaries and tests.")
450option(LLVM_OPTIMIZE_SANITIZED_BUILDS "Pass -O1 on debug sanitizer builds" ON)
451set(LLVM_LIB_FUZZING_ENGINE "" CACHE PATH
452  "Path to fuzzing library for linking with fuzz targets")
453
454option(LLVM_USE_SPLIT_DWARF
455  "Use -gsplit-dwarf when compiling llvm." OFF)
456
457option(LLVM_POLLY_LINK_INTO_TOOLS "Statically link Polly into tools (if available)" ON)
458option(LLVM_POLLY_BUILD "Build LLVM with Polly" ON)
459
460if (EXISTS ${LLVM_MAIN_SRC_DIR}/tools/polly/CMakeLists.txt)
461  set(POLLY_IN_TREE TRUE)
462elseif(LLVM_EXTERNAL_POLLY_SOURCE_DIR)
463  set(POLLY_IN_TREE TRUE)
464else()
465  set(POLLY_IN_TREE FALSE)
466endif()
467
468if (LLVM_POLLY_BUILD AND POLLY_IN_TREE)
469  set(WITH_POLLY ON)
470else()
471  set(WITH_POLLY OFF)
472endif()
473
474if (LLVM_POLLY_LINK_INTO_TOOLS AND WITH_POLLY)
475  set(LINK_POLLY_INTO_TOOLS ON)
476else()
477  set(LINK_POLLY_INTO_TOOLS OFF)
478endif()
479
480# Define an option controlling whether we should build for 32-bit on 64-bit
481# platforms, where supported.
482if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
483  # TODO: support other platforms and toolchains.
484  option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
485endif()
486
487# Define the default arguments to use with 'lit', and an option for the user to
488# override.
489set(LIT_ARGS_DEFAULT "-sv")
490if (MSVC_IDE OR XCODE)
491  set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
492endif()
493set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
494
495# On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
496if( WIN32 AND NOT CYGWIN )
497  set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
498endif()
499
500# Define options to control the inclusion and default build behavior for
501# components which may not strictly be necessary (tools, examples, and tests).
502#
503# This is primarily to support building smaller or faster project files.
504option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
505option(LLVM_BUILD_TOOLS
506  "Build the LLVM tools. If OFF, just generate build targets." ON)
507
508option(LLVM_INCLUDE_UTILS "Generate build targets for the LLVM utils." ON)
509option(LLVM_BUILD_UTILS
510  "Build LLVM utility binaries. If OFF, just generate build targets." ON)
511
512option(LLVM_INCLUDE_RUNTIMES "Generate build targets for the LLVM runtimes." ON)
513option(LLVM_BUILD_RUNTIMES
514  "Build the LLVM runtimes. If OFF, just generate build targets." ON)
515
516option(LLVM_BUILD_RUNTIME
517  "Build the LLVM runtime libraries." ON)
518option(LLVM_BUILD_EXAMPLES
519  "Build the LLVM example programs. If OFF, just generate build targets." OFF)
520option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
521
522option(LLVM_BUILD_TESTS
523  "Build LLVM unit tests. If OFF, just generate build targets." OFF)
524option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
525option(LLVM_INCLUDE_GO_TESTS "Include the Go bindings tests in test build targets." ON)
526
527option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
528option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
529option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm API documentation." OFF)
530option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
531option (LLVM_ENABLE_OCAMLDOC "Build OCaml bindings documentation." ON)
532option (LLVM_ENABLE_BINDINGS "Build bindings." ON)
533
534set(LLVM_INSTALL_DOXYGEN_HTML_DIR "share/doc/llvm/doxygen-html"
535    CACHE STRING "Doxygen-generated HTML documentation install directory")
536set(LLVM_INSTALL_OCAMLDOC_HTML_DIR "share/doc/llvm/ocaml-html"
537    CACHE STRING "OCamldoc-generated HTML documentation install directory")
538
539option (LLVM_BUILD_EXTERNAL_COMPILER_RT
540  "Build compiler-rt as an external project." OFF)
541
542option (LLVM_VERSION_PRINTER_SHOW_HOST_TARGET_INFO
543  "Show target and host info when tools are invoked with --version." ON)
544
545# You can configure which libraries from LLVM you want to include in the
546# shared library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited
547# list of LLVM components. All component names handled by llvm-config are valid.
548if(NOT DEFINED LLVM_DYLIB_COMPONENTS)
549  set(LLVM_DYLIB_COMPONENTS "all" CACHE STRING
550    "Semicolon-separated list of components to include in libLLVM, or \"all\".")
551endif()
552option(LLVM_LINK_LLVM_DYLIB "Link tools against the libllvm dynamic library" OFF)
553option(LLVM_BUILD_LLVM_C_DYLIB "Build libllvm-c re-export library (Darwin Only)" OFF)
554set(LLVM_BUILD_LLVM_DYLIB_default OFF)
555if(LLVM_LINK_LLVM_DYLIB OR LLVM_BUILD_LLVM_C_DYLIB)
556  set(LLVM_BUILD_LLVM_DYLIB_default ON)
557endif()
558option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" ${LLVM_BUILD_LLVM_DYLIB_default})
559
560option(LLVM_OPTIMIZED_TABLEGEN "Force TableGen to be built with optimization" OFF)
561if(CMAKE_CROSSCOMPILING OR (LLVM_OPTIMIZED_TABLEGEN AND (LLVM_ENABLE_ASSERTIONS OR CMAKE_CONFIGURATION_TYPES)))
562  set(LLVM_USE_HOST_TOOLS ON)
563endif()
564
565if (MSVC_IDE AND NOT (MSVC_VERSION LESS 1900))
566  option(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION "Configure project to use Visual Studio native visualizers" TRUE)
567else()
568  set(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION FALSE CACHE INTERNAL "For Visual Studio 2013, manually copy natvis files to Documents\\Visual Studio 2013\\Visualizers" FORCE)
569endif()
570
571if (LLVM_BUILD_INSTRUMENTED OR LLVM_BUILD_INSTRUMENTED_COVERAGE OR
572    LLVM_ENABLE_IR_PGO)
573  if(NOT LLVM_PROFILE_MERGE_POOL_SIZE)
574    # A pool size of 1-2 is probably sufficient on a SSD. 3-4 should be fine
575    # for spining disks. Anything higher may only help on slower mediums.
576    set(LLVM_PROFILE_MERGE_POOL_SIZE "4")
577  endif()
578  if(NOT LLVM_PROFILE_FILE_PATTERN)
579    if(NOT LLVM_PROFILE_DATA_DIR)
580      file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/profiles" LLVM_PROFILE_DATA_DIR)
581    endif()
582		file(TO_NATIVE_PATH "${LLVM_PROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
583  endif()
584endif()
585
586if (LLVM_BUILD_STATIC)
587  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
588endif()
589
590# Override the default target with an environment variable named by LLVM_TARGET_TRIPLE_ENV.
591set(LLVM_TARGET_TRIPLE_ENV CACHE STRING "The name of environment variable to override default target. Disabled by blank.")
592mark_as_advanced(LLVM_TARGET_TRIPLE_ENV)
593
594set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR OFF CACHE BOOL
595  "Enable per-target runtimes directory")
596
597# All options referred to from HandleLLVMOptions have to be specified
598# BEFORE this include, otherwise options will not be correctly set on
599# first cmake run
600include(config-ix)
601
602string(REPLACE "Native" ${LLVM_NATIVE_ARCH}
603  LLVM_TARGETS_TO_BUILD "${LLVM_TARGETS_TO_BUILD}")
604list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
605
606# By default, we target the host, but this can be overridden at CMake
607# invocation time.
608set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
609  "Default target for which LLVM will generate code." )
610set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
611message(STATUS "LLVM host triple: ${LLVM_HOST_TRIPLE}")
612message(STATUS "LLVM default target triple: ${LLVM_DEFAULT_TARGET_TRIPLE}")
613
614include(HandleLLVMOptions)
615
616# Verify that we can find a Python 2 interpreter.  Python 3 is unsupported.
617# FIXME: We should support systems with only Python 3, but that requires work
618# on LLDB.
619set(Python_ADDITIONAL_VERSIONS 2.7)
620include(FindPythonInterp)
621if( NOT PYTHONINTERP_FOUND )
622  message(FATAL_ERROR
623"Unable to find Python interpreter, required for builds and testing.
624
625Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
626endif()
627
628if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
629  message(FATAL_ERROR "Python 2.7 or newer is required")
630endif()
631
632######
633# LLVMBuild Integration
634#
635# We use llvm-build to generate all the data required by the CMake based
636# build system in one swoop:
637#
638#  - We generate a file (a CMake fragment) in the object root which contains
639#    all the definitions that are required by CMake.
640#
641#  - We generate the library table used by llvm-config.
642#
643#  - We generate the dependencies for the CMake fragment, so that we will
644#    automatically reconfigure outselves.
645
646set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
647set(LLVMCONFIGLIBRARYDEPENDENCIESINC
648  "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
649set(LLVMBUILDCMAKEFRAG
650  "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
651
652# Create the list of optional components that are enabled
653if (LLVM_USE_INTEL_JITEVENTS)
654  set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
655endif (LLVM_USE_INTEL_JITEVENTS)
656if (LLVM_USE_OPROFILE)
657  set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
658endif (LLVM_USE_OPROFILE)
659if (LLVM_USE_PERF)
660  set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} PerfJITEvents)
661endif (LLVM_USE_PERF)
662
663message(STATUS "Constructing LLVMBuild project information")
664execute_process(
665  COMMAND ${PYTHON_EXECUTABLE} -B ${LLVMBUILDTOOL}
666            --native-target "${LLVM_NATIVE_ARCH}"
667            --enable-targets "${LLVM_TARGETS_TO_BUILD}"
668            --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
669            --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
670            --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
671            OUTPUT_VARIABLE LLVMBUILDOUTPUT
672            ERROR_VARIABLE LLVMBUILDERRORS
673            OUTPUT_STRIP_TRAILING_WHITESPACE
674            ERROR_STRIP_TRAILING_WHITESPACE
675  RESULT_VARIABLE LLVMBUILDRESULT)
676
677# On Win32, CMake doesn't properly handle piping the default output/error
678# streams into the GUI console. So, we explicitly catch and report them.
679if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
680  message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
681endif()
682if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
683  message(FATAL_ERROR
684    "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
685endif()
686
687# Include the generated CMake fragment. This will define properties from the
688# LLVMBuild files in a format which is easy to consume from CMake, and will add
689# the dependencies so that CMake will reconfigure properly when the LLVMBuild
690# files change.
691include(${LLVMBUILDCMAKEFRAG})
692
693######
694
695# Configure all of the various header file fragments LLVM uses which depend on
696# configuration variables.
697set(LLVM_ENUM_TARGETS "")
698set(LLVM_ENUM_ASM_PRINTERS "")
699set(LLVM_ENUM_ASM_PARSERS "")
700set(LLVM_ENUM_DISASSEMBLERS "")
701foreach(t ${LLVM_TARGETS_TO_BUILD})
702  set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
703
704  list(FIND LLVM_ALL_TARGETS ${t} idx)
705  list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
706  # At this point, LLVMBUILDTOOL already checked all the targets passed in
707  # LLVM_TARGETS_TO_BUILD and LLVM_EXPERIMENTAL_TARGETS_TO_BUILD, so
708  # this test just makes sure that any experimental targets were passed via
709  # LLVM_EXPERIMENTAL_TARGETS_TO_BUILD, not LLVM_TARGETS_TO_BUILD.
710  if( idx LESS 0 AND idy LESS 0 )
711    message(FATAL_ERROR "The target `${t}' is experimental and must be passed "
712      "via LLVM_EXPERIMENTAL_TARGETS_TO_BUILD.")
713  else()
714    set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
715  endif()
716
717  file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
718  if( asmp_file )
719    set(LLVM_ENUM_ASM_PRINTERS
720      "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
721  endif()
722  if( EXISTS ${td}/AsmParser/CMakeLists.txt )
723    set(LLVM_ENUM_ASM_PARSERS
724      "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
725  endif()
726  if( EXISTS ${td}/Disassembler/CMakeLists.txt )
727    set(LLVM_ENUM_DISASSEMBLERS
728      "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
729  endif()
730endforeach(t)
731
732# Produce the target definition files, which provide a way for clients to easily
733# include various classes of targets.
734configure_file(
735  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
736  ${LLVM_INCLUDE_DIR}/llvm/Config/AsmPrinters.def
737  )
738configure_file(
739  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
740  ${LLVM_INCLUDE_DIR}/llvm/Config/AsmParsers.def
741  )
742configure_file(
743  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
744  ${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def
745  )
746configure_file(
747  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
748  ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def
749  )
750
751# Configure the three LLVM configuration header files.
752configure_file(
753  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
754  ${LLVM_INCLUDE_DIR}/llvm/Config/config.h)
755configure_file(
756  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
757  ${LLVM_INCLUDE_DIR}/llvm/Config/llvm-config.h)
758configure_file(
759  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/abi-breaking.h.cmake
760  ${LLVM_INCLUDE_DIR}/llvm/Config/abi-breaking.h)
761
762# Add target for generating source rpm package.
763set(LLVM_SRPM_USER_BINARY_SPECFILE ${CMAKE_CURRENT_SOURCE_DIR}/llvm.spec.in
764    CACHE FILEPATH ".spec file to use for srpm generation")
765set(LLVM_SRPM_BINARY_SPECFILE ${CMAKE_CURRENT_BINARY_DIR}/llvm.spec)
766set(LLVM_SRPM_DIR "${CMAKE_CURRENT_BINARY_DIR}/srpm")
767
768# SVN_REVISION and GIT_COMMIT get set by the call to add_version_info_from_vcs.
769# DUMMY_VAR contains a version string which we don't care about.
770add_version_info_from_vcs(DUMMY_VAR)
771if ( SVN_REVISION )
772  set(LLVM_RPM_SPEC_REVISION "r${SVN_REVISION}")
773elseif ( GIT_COMMIT )
774  set (LLVM_RPM_SPEC_REVISION "g${GIT_COMMIT}")
775endif()
776
777configure_file(
778  ${LLVM_SRPM_USER_BINARY_SPECFILE}
779  ${LLVM_SRPM_BINARY_SPECFILE} @ONLY)
780
781add_custom_target(srpm
782  COMMAND cpack -G TGZ --config CPackSourceConfig.cmake -B ${LLVM_SRPM_DIR}/SOURCES
783  COMMAND rpmbuild -bs --define '_topdir ${LLVM_SRPM_DIR}' ${LLVM_SRPM_BINARY_SPECFILE})
784set_target_properties(srpm PROPERTIES FOLDER "Misc")
785
786
787# They are not referenced. See set_output_directory().
788set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin )
789set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
790set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
791
792if(APPLE AND DARWIN_LTO_LIBRARY)
793  set(CMAKE_EXE_LINKER_FLAGS
794    "${CMAKE_EXE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
795  set(CMAKE_SHARED_LINKER_FLAGS
796    "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
797  set(CMAKE_MODULE_LINKER_FLAGS
798    "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
799endif()
800
801# Work around a broken bfd ld behavior. When linking a binary with a
802# foo.so library, it will try to find any library that foo.so uses and
803# check its symbols. This is wasteful (the check was done when foo.so
804# was created) and can fail since it is not the dynamic linker and
805# doesn't know how to handle search paths correctly.
806if (UNIX AND NOT APPLE AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS|AIX")
807  set(CMAKE_EXE_LINKER_FLAGS
808      "${CMAKE_EXE_LINKER_FLAGS} -Wl,-allow-shlib-undefined")
809endif()
810
811set(CMAKE_INCLUDE_CURRENT_DIR ON)
812
813include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
814
815# when crosscompiling import the executable targets from a file
816if(LLVM_USE_HOST_TOOLS)
817  include(CrossCompile)
818endif(LLVM_USE_HOST_TOOLS)
819if(LLVM_TARGET_IS_CROSSCOMPILE_HOST)
820# Dummy use to avoid CMake Warning: Manually-specified variables were not used
821# (this is a variable that CrossCompile sets on recursive invocations)
822endif()
823
824if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
825  # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
826  # with libxml2, iconv.h, etc., we must add /usr/local paths.
827  include_directories(SYSTEM "/usr/local/include")
828  link_directories("/usr/local/lib")
829endif(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
830
831if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
832   # special hack for Solaris to handle crazy system sys/regset.h
833   include_directories("${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/Solaris")
834endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
835
836# Make sure we don't get -rdynamic in every binary. For those that need it,
837# use export_executable_symbols(target).
838set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
839
840set(LLVM_PROFDATA_FILE "" CACHE FILEPATH
841  "Profiling data file to use when compiling in order to improve runtime performance.")
842
843if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE})
844  if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
845    add_definitions("-fprofile-instr-use=${LLVM_PROFDATA_FILE}")
846  else()
847    message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang")
848  endif()
849endif()
850
851include(AddLLVM)
852include(TableGen)
853
854if( MINGW AND NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
855  # People report that -O3 is unreliable on MinGW. The traditional
856  # build also uses -O2 for that reason:
857  llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
858endif()
859
860# Put this before tblgen. Else we have a circular dependence.
861add_subdirectory(lib/Demangle)
862add_subdirectory(lib/Support)
863add_subdirectory(lib/TableGen)
864
865add_subdirectory(utils/TableGen)
866
867add_subdirectory(include/llvm)
868
869add_subdirectory(lib)
870
871if( LLVM_INCLUDE_UTILS )
872  add_subdirectory(utils/FileCheck)
873  add_subdirectory(utils/PerfectShuffle)
874  add_subdirectory(utils/count)
875  add_subdirectory(utils/not)
876  add_subdirectory(utils/yaml-bench)
877else()
878  if ( LLVM_INCLUDE_TESTS )
879    message(FATAL_ERROR "Including tests when not building utils will not work.
880    Either set LLVM_INCLUDE_UTILS to On, or set LLVM_INCLDE_TESTS to Off.")
881  endif()
882endif()
883
884# Use LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION instead of LLVM_INCLUDE_UTILS because it is not really a util
885if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION)
886  add_subdirectory(utils/LLVMVisualizers)
887endif()
888
889foreach( binding ${LLVM_BINDINGS_LIST} )
890  if( EXISTS "${LLVM_MAIN_SRC_DIR}/bindings/${binding}/CMakeLists.txt" )
891    add_subdirectory(bindings/${binding})
892  endif()
893endforeach()
894
895add_subdirectory(projects)
896
897if( LLVM_INCLUDE_TOOLS )
898  add_subdirectory(tools)
899endif()
900
901if( LLVM_INCLUDE_RUNTIMES )
902  add_subdirectory(runtimes)
903endif()
904
905if( LLVM_INCLUDE_EXAMPLES )
906  add_subdirectory(examples)
907endif()
908
909if( LLVM_INCLUDE_TESTS )
910  if(EXISTS ${LLVM_MAIN_SRC_DIR}/projects/test-suite AND TARGET clang)
911    include(LLVMExternalProjectUtils)
912    llvm_ExternalProject_Add(test-suite ${LLVM_MAIN_SRC_DIR}/projects/test-suite
913      USE_TOOLCHAIN
914      EXCLUDE_FROM_ALL
915      NO_INSTALL
916      ALWAYS_CLEAN)
917  endif()
918  add_subdirectory(utils/lit)
919  add_subdirectory(test)
920  add_subdirectory(unittests)
921  if( LLVM_INCLUDE_UTILS )
922    add_subdirectory(utils/unittest)
923  endif()
924
925  if (WIN32)
926    # This utility is used to prevent crashing tests from calling Dr. Watson on
927    # Windows.
928    add_subdirectory(utils/KillTheDoctor)
929  endif()
930
931  # Add a global check rule now that all subdirectories have been traversed
932  # and we know the total set of lit testsuites.
933  get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
934  get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
935  get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
936  get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
937  get_property(LLVM_ADDITIONAL_TEST_TARGETS
938               GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_TARGETS)
939  get_property(LLVM_ADDITIONAL_TEST_DEPENDS
940               GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_DEPENDS)
941  add_lit_target(check-all
942    "Running all regression tests"
943    ${LLVM_LIT_TESTSUITES}
944    PARAMS ${LLVM_LIT_PARAMS}
945    DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_TARGETS}
946    ARGS ${LLVM_LIT_EXTRA_ARGS}
947    )
948  if(TARGET check-runtimes)
949    add_dependencies(check-all check-runtimes)
950  endif()
951  add_custom_target(test-depends
952                    DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_DEPENDS})
953  set_target_properties(test-depends PROPERTIES FOLDER "Tests")
954endif()
955
956if (LLVM_INCLUDE_DOCS)
957  add_subdirectory(docs)
958endif()
959
960add_subdirectory(cmake/modules)
961
962# Do this last so that all lit targets have already been created.
963if (LLVM_INCLUDE_UTILS)
964  add_subdirectory(utils/llvm-lit)
965endif()
966
967if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
968  install(DIRECTORY include/llvm include/llvm-c
969    DESTINATION include
970    COMPONENT llvm-headers
971    FILES_MATCHING
972    PATTERN "*.def"
973    PATTERN "*.h"
974    PATTERN "*.td"
975    PATTERN "*.inc"
976    PATTERN "LICENSE.TXT"
977    PATTERN ".svn" EXCLUDE
978    )
979
980  install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm ${LLVM_INCLUDE_DIR}/llvm-c
981    DESTINATION include
982    COMPONENT llvm-headers
983    FILES_MATCHING
984    PATTERN "*.def"
985    PATTERN "*.h"
986    PATTERN "*.gen"
987    PATTERN "*.inc"
988    # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
989    PATTERN "CMakeFiles" EXCLUDE
990    PATTERN "config.h" EXCLUDE
991    PATTERN ".svn" EXCLUDE
992    )
993
994  # Installing the headers needs to depend on generating any public
995  # tablegen'd headers.
996  add_custom_target(llvm-headers DEPENDS intrinsics_gen)
997  set_target_properties(llvm-headers PROPERTIES FOLDER "Misc")
998
999  if (NOT CMAKE_CONFIGURATION_TYPES)
1000    add_llvm_install_targets(install-llvm-headers
1001                             DEPENDS llvm-headers
1002                             COMPONENT llvm-headers)
1003  endif()
1004endif()
1005
1006# This must be at the end of the LLVM root CMakeLists file because it must run
1007# after all targets are created.
1008if(LLVM_DISTRIBUTION_COMPONENTS)
1009  if(CMAKE_CONFIGURATION_TYPES)
1010    message(FATAL_ERROR "LLVM_DISTRIBUTION_COMPONENTS cannot be specified with multi-configuration generators (i.e. Xcode or Visual Studio)")
1011  endif()
1012
1013  add_custom_target(distribution)
1014  add_custom_target(install-distribution)
1015  add_custom_target(install-distribution-stripped)
1016  foreach(target ${LLVM_DISTRIBUTION_COMPONENTS} ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS})
1017    if(TARGET ${target})
1018      add_dependencies(distribution ${target})
1019    else()
1020      message(SEND_ERROR "Specified distribution component '${target}' doesn't have a target")
1021    endif()
1022
1023    if(TARGET install-${target})
1024      add_dependencies(install-distribution install-${target})
1025    else()
1026      message(SEND_ERROR "Specified distribution component '${target}' doesn't have an install target")
1027    endif()
1028
1029    if(TARGET install-${target}-stripped)
1030      add_dependencies(install-distribution-stripped install-${target}-stripped)
1031    else()
1032      message(SEND_ERROR "Specified distribution component '${target}' doesn't have an install-stripped target."
1033                         " Its installation target creation should be changed to use add_llvm_install_targets,"
1034                         " or you should manually create the 'install-${target}-stripped' target.")
1035    endif()
1036  endforeach()
1037endif()
1038
1039# This allows us to deploy the Universal CRT DLLs by passing -DCMAKE_INSTALL_UCRT_LIBRARIES=ON to CMake
1040if (MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows" AND CMAKE_INSTALL_UCRT_LIBRARIES)
1041  include(InstallRequiredSystemLibraries)
1042endif()
1043