1 # See docs/CMake.html for instructions about how to build LLVM with CMake.
4 cmake_minimum_required(VERSION 2.8)
6 # Add path for custom modules
9 "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
10 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
13 set(LLVM_VERSION_MAJOR 3)
14 set(LLVM_VERSION_MINOR 2)
16 set(PACKAGE_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}svn")
18 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
19 if ( LLVM_USE_FOLDERS )
20 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
23 include(VersionFromVCS)
25 option(LLVM_APPEND_VC_REV
26 "Append the version control system revision id to LLVM version" OFF)
28 if( LLVM_APPEND_VC_REV )
29 add_version_info_from_vcs(PACKAGE_VERSION)
32 set(PACKAGE_NAME LLVM)
33 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
34 set(PACKAGE_BUGREPORT "http://llvm.org/bugs/")
36 # Sanity check our source directory to make sure that we are not trying to
37 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make
38 # sure that we don't have any stray generated files lying around in the tree
39 # (which would end up getting picked up by header search, instead of the correct
41 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
42 message(FATAL_ERROR "In-source builds are not allowed.
43 CMake would overwrite the makefiles distributed with LLVM.
44 Please create a directory and run cmake from there, passing the path
45 to this source directory as the last argument.
46 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
49 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
51 tablegenned_files_on_include_dir
52 "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen")
54 tablegenned_files_on_lib_dir
55 "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc")
56 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
57 message(FATAL_ERROR "Apparently there is a previous in-source build,
58 probably as the result of running `configure' and `make' on
59 ${CMAKE_CURRENT_SOURCE_DIR}.
60 This may cause problems. The suspicious files are:
61 ${tablegenned_files_on_lib_dir}
62 ${tablegenned_files_on_include_dir}
63 Please clean the source directory.")
67 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
69 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
70 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
71 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
72 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
73 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
74 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
91 # List of targets with JIT support:
92 set(LLVM_TARGETS_WITH_JIT X86 PowerPC ARM Mips)
95 set(LLVM_TARGETS_TO_BUILD X86
96 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
98 set(LLVM_TARGETS_TO_BUILD "all"
99 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
102 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
103 CACHE STRING "Semicolon-separated list of experimental targets to build.")
105 option(BUILD_SHARED_LIBS
106 "Build all libraries as shared libraries instead of static" OFF)
108 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
109 if(LLVM_ENABLE_CBE_PRINTF_A)
110 set(ENABLE_CBE_PRINTF_A 1)
113 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
114 if(LLVM_ENABLE_TIMESTAMPS)
115 set(ENABLE_TIMESTAMPS 1)
118 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
119 if(LLVM_ENABLE_BACKTRACES)
120 set(ENABLE_BACKTRACES 1)
123 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
124 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
125 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
127 set(LLVM_TARGET_ARCH "host"
128 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
130 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
132 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
133 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
136 set(LLVM_TARGETS_TO_BUILD
137 ${LLVM_TARGETS_TO_BUILD}
138 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
140 set(LLVM_ENUM_TARGETS "")
141 foreach(c ${LLVM_TARGETS_TO_BUILD})
142 list(FIND LLVM_ALL_TARGETS ${c} idx)
143 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${c} idy)
144 if( idx LESS 0 AND idy LESS 0 )
145 message(FATAL_ERROR "The target `${c}' does not exist.
146 It should be one of\n${LLVM_ALL_TARGETS}")
148 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
152 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
154 include(AddLLVMDefinitions)
156 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
158 # MSVC has a gazillion warnings with this.
160 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
162 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
165 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
166 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
168 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
169 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
171 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
174 option(LLVM_USE_INTEL_JITEVENTS
175 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
178 if( LLVM_USE_INTEL_JITEVENTS )
179 # Verify we are on a supported platform
180 if( CMAKE_SYSTEM_NAME MATCHES "Windows" OR CMAKE_SYSTEM_NAME MATCHES "Linux" )
181 # Directory where Intel Parallel Amplifier XE 2011 is installed.
183 set(LLVM_INTEL_JITEVENTS_DIR $ENV{VTUNE_AMPLIFIER_XE_2011_DIR})
185 set(LLVM_INTEL_JITEVENTS_DIR "/opt/intel/vtune_amplifier_xe_2011")
188 # Set include and library search paths for Intel JIT Events API
189 set(LLVM_INTEL_JITEVENTS_INCDIR "${LLVM_INTEL_JITEVENTS_DIR}/include")
191 if ( CMAKE_SIZEOF_VOID_P EQUAL 8 )
192 set(LLVM_INTEL_JITEVENTS_LIBDIR "${LLVM_INTEL_JITEVENTS_DIR}/lib64")
193 else ( CMAKE_SIZEOF_VOID_P EQUAL 8 )
194 set(LLVM_INTEL_JITEVENTS_LIBDIR "${LLVM_INTEL_JITEVENTS_DIR}/lib32")
195 endif ( CMAKE_SIZEOF_VOID_P EQUAL 8 )
198 "Intel JIT API support is available on Linux and Windows only.")
200 endif( LLVM_USE_INTEL_JITEVENTS )
202 option(LLVM_USE_OPROFILE
203 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
205 # If enabled, ierify we are on a platform that supports oprofile.
206 if( LLVM_USE_OPROFILE )
207 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
208 message(FATAL_ERROR "OProfile support is available on Linux only.")
209 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
210 endif( LLVM_USE_OPROFILE )
212 # Define an option controlling whether we should build for 32-bit on 64-bit
213 # platforms, where supported.
214 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
215 # TODO: support other platforms and toolchains.
216 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
219 # Define the default arguments to use with 'lit', and an option for the user to
221 set(LIT_ARGS_DEFAULT "-sv")
223 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
225 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
227 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
228 if( WIN32 AND NOT CYGWIN )
229 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
232 # Define options to control the inclusion and default build behavior for
233 # components which may not strictly be necessary (tools, runtime, examples, and
236 # This is primarily to support building smaller or faster project files.
237 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
238 option(LLVM_BUILD_TOOLS
239 "Build the LLVM tools. If OFF, just generate build targets." ON)
241 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON)
242 option(LLVM_BUILD_RUNTIME
243 "Build the LLVM runtime libraries. If OFF, just generate build targets." ON)
245 option(LLVM_BUILD_EXAMPLES
246 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
247 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
249 option(LLVM_BUILD_TESTS
250 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
251 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
253 # All options referred to from HandleLLVMOptions have to be specified
254 # BEFORE this include, otherwise options will not be correctly set on
258 # By default, we target the host, but this can be overridden at CMake
260 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
261 "Default target for which LLVM will generate code." )
262 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}" CACHE STRING
263 "Default target for which LLVM will generate code." )
265 include(HandleLLVMOptions)
267 # Verify that we can find a Python interpreter,
268 include(FindPythonInterp)
269 if( NOT PYTHONINTERP_FOUND )
271 "Unable to find Python interpreter, required for builds and testing.
273 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
277 # LLVMBuild Integration
279 # We use llvm-build to generate all the data required by the CMake based
280 # build system in one swoop:
282 # - We generate a file (a CMake fragment) in the object root which contains
283 # all the definitions that are required by CMake.
285 # - We generate the library table used by llvm-config.
287 # - We generate the dependencies for the CMake fragment, so that we will
288 # automatically reconfigure outselves.
290 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
291 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
292 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
293 set(LLVMBUILDCMAKEFRAG
294 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
296 # Create the list of optional components that are enabled
297 if (LLVM_USE_INTEL_JITEVENTS)
298 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
299 endif (LLVM_USE_INTEL_JITEVENTS)
300 if (LLVM_USE_OPROFILE)
301 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
302 endif (LLVM_USE_OPROFILE)
304 message(STATUS "Constructing LLVMBuild project information")
306 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
307 --native-target "${LLVM_NATIVE_ARCH}"
308 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
309 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
310 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
311 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
312 ERROR_VARIABLE LLVMBUILDOUTPUT
313 ERROR_VARIABLE LLVMBUILDERRORS
314 OUTPUT_STRIP_TRAILING_WHITESPACE
315 ERROR_STRIP_TRAILING_WHITESPACE
316 RESULT_VARIABLE LLVMBUILDRESULT)
318 # On Win32, CMake doesn't properly handle piping the default output/error
319 # streams into the GUI console. So, we explicitly catch and report them.
320 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
321 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
323 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
325 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
328 # Include the generated CMake fragment. This will define properties from the
329 # LLVMBuild files in a format which is easy to consume from CMake, and will add
330 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
332 include(${LLVMBUILDCMAKEFRAG})
336 # Configure all of the various header file fragments LLVM uses which depend on
337 # configuration variables.
338 set(LLVM_ENUM_ASM_PRINTERS "")
339 set(LLVM_ENUM_ASM_PARSERS "")
340 set(LLVM_ENUM_DISASSEMBLERS "")
341 foreach(t ${LLVM_TARGETS_TO_BUILD})
342 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
343 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
345 set(LLVM_ENUM_ASM_PRINTERS
346 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
348 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
349 set(LLVM_ENUM_ASM_PARSERS
350 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
352 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
353 set(LLVM_ENUM_DISASSEMBLERS
354 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
358 # Produce the target definition files, which provide a way for clients to easily
359 # include various classes of targets.
361 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
362 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
365 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
366 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
369 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
370 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
373 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
374 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
377 # Configure the three LLVM configuration header files.
379 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
380 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
382 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
383 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
385 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
386 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
388 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
389 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
390 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
392 set(CMAKE_INCLUDE_CURRENT_DIR ON)
394 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
396 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
397 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
398 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
404 # People report that -O3 is unreliable on MinGW. The traditional
405 # build also uses -O2 for that reason:
406 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
409 # Put this before tblgen. Else we have a circular dependence.
410 add_subdirectory(lib/Support)
411 add_subdirectory(lib/TableGen)
413 add_subdirectory(utils/TableGen)
415 add_subdirectory(include/llvm)
417 add_subdirectory(lib)
419 add_subdirectory(utils/FileCheck)
420 add_subdirectory(utils/FileUpdate)
421 add_subdirectory(utils/count)
422 add_subdirectory(utils/not)
423 add_subdirectory(utils/llvm-lit)
424 add_subdirectory(utils/yaml-bench)
425 add_subdirectory(utils/obj2yaml)
426 add_subdirectory(utils/yaml2obj)
428 add_subdirectory(projects)
430 if( LLVM_INCLUDE_TOOLS )
431 add_subdirectory(tools)
434 if( LLVM_INCLUDE_RUNTIME )
435 add_subdirectory(runtime)
438 if( LLVM_INCLUDE_EXAMPLES )
439 add_subdirectory(examples)
442 if( LLVM_INCLUDE_TESTS )
443 add_subdirectory(test)
444 add_subdirectory(utils/unittest)
445 add_subdirectory(unittests)
447 # This utility is used to prevent chrashing tests from calling Dr. Watson on
449 add_subdirectory(utils/KillTheDoctor)
452 # Add a global check rule now that all subdirectories have been traversed
453 # and we know the total set of lit testsuites.
454 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
455 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
456 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
457 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
458 add_lit_target(check-all
459 "Running all regression tests"
460 ${LLVM_LIT_TESTSUITES}
461 PARAMS ${LLVM_LIT_PARAMS}
462 DEPENDS ${LLVM_LIT_DEPENDS}
463 ARGS ${LLVM_LIT_EXTRA_ARGS}
467 add_subdirectory(cmake/modules)
469 install(DIRECTORY include/
476 PATTERN "LICENSE.TXT"
477 PATTERN ".svn" EXCLUDE
480 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
487 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
488 PATTERN "CMakeFiles" EXCLUDE
489 PATTERN ".svn" EXCLUDE
492 # TODO: make and install documentation.
494 set(CPACK_PACKAGE_VENDOR "LLVM")
495 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
496 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
497 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
500 # Workaround for MSVS10 to avoid the Dialog Hell
501 # FIXME: This could be removed with future version of CMake.
502 if(MSVC_VERSION EQUAL 1600)
503 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
504 if( EXISTS "${LLVM_SLN_FILENAME}" )
505 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")