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(PACKAGE_VERSION "3.1svn")
15 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
17 include(VersionFromVCS)
19 option(LLVM_APPEND_VC_REV
20 "Append the version control system revision id to LLVM version" OFF)
22 if( LLVM_APPEND_VC_REV )
23 add_version_info_from_vcs(PACKAGE_VERSION)
26 set(PACKAGE_NAME LLVM)
27 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
28 set(PACKAGE_BUGREPORT "http://llvm.org/bugs/")
30 # Sanity check our source directory to make sure that we are not trying to
31 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make
32 # sure that we don't have any stray generated files lying around in the tree
33 # (which would end up getting picked up by header search, instead of the correct
35 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
36 message(FATAL_ERROR "In-source builds are not allowed.
37 CMake would overwrite the makefiles distributed with LLVM.
38 Please create a directory and run cmake from there, passing the path
39 to this source directory as the last argument.
40 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
43 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
45 tablegenned_files_on_include_dir
46 "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen")
48 tablegenned_files_on_lib_dir
49 "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc")
50 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
51 message(FATAL_ERROR "Apparently there is a previous in-source build,
52 probably as the result of running `configure' and `make' on
53 ${CMAKE_CURRENT_SOURCE_DIR}.
54 This may cause problems. The suspicious files are:
55 ${tablegenned_files_on_lib_dir}
56 ${tablegenned_files_on_include_dir}
57 Please clean the source directory.")
61 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
63 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
64 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
65 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
66 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
67 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
68 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
86 # List of targets with JIT support:
87 set(LLVM_TARGETS_WITH_JIT X86 PowerPC ARM Mips)
90 set(LLVM_TARGETS_TO_BUILD X86
91 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
93 set(LLVM_TARGETS_TO_BUILD "all"
94 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
97 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
98 if(LLVM_ENABLE_CBE_PRINTF_A)
99 set(ENABLE_CBE_PRINTF_A 1)
102 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
103 if(LLVM_ENABLE_TIMESTAMPS)
104 set(ENABLE_TIMESTAMPS 1)
107 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
108 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
109 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
111 set(LLVM_TARGET_ARCH "host"
112 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
114 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
116 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
117 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
120 set(LLVM_ENUM_TARGETS "")
121 foreach(c ${LLVM_TARGETS_TO_BUILD})
122 list(FIND LLVM_ALL_TARGETS ${c} idx)
124 message(FATAL_ERROR "The target `${c}' does not exist.
125 It should be one of\n${LLVM_ALL_TARGETS}")
127 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
131 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
133 include(AddLLVMDefinitions)
135 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
137 # MSVC has a gazillion warnings with this.
139 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
141 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
144 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
145 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
147 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
148 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
150 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
153 # Define an option controlling whether we should build for 32-bit on 64-bit
154 # platforms, where supported.
155 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
156 # TODO: support other platforms and toolchains.
157 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
160 # Define the default arguments to use with 'lit', and an option for the user to
162 set(LIT_ARGS_DEFAULT "-sv")
164 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
166 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
168 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
169 if( WIN32 AND NOT CYGWIN )
170 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
173 # On Win32 using MS tools, provide an option to set the number of parallel jobs
175 if( MSVC_IDE AND ( MSVC90 OR MSVC10 ) )
176 # Only Visual Studio 2008 and 2010 officially supports /MP. Visual Studio
177 # 2005 supports it but it is experimental.
178 set(LLVM_COMPILER_JOBS "0" CACHE STRING
179 "Number of parallel compiler jobs. 0 means use all processors. Default is 0.")
182 # Define options to control the inclusion and default build behavior for
183 # components which may not strictly be necessary (tools, runtime, examples, and
186 # This is primarily to support building smaller or faster project files.
187 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
188 option(LLVM_BUILD_TOOLS
189 "Build the LLVM tools. If OFF, just generate build targets." ON)
191 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON)
192 option(LLVM_BUILD_RUNTIME
193 "Build the LLVM runtime libraries. If OFF, just generate build targets." ON)
195 option(LLVM_BUILD_EXAMPLES
196 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
197 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
199 option(LLVM_BUILD_TESTS
200 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
201 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
203 # All options referred to from HandleLLVMOptions have to be specified
204 # BEFORE this include, otherwise options will not be correctly set on
207 include(HandleLLVMOptions)
209 # Verify that we can find a Python interpreter,
210 include(FindPythonInterp)
211 if( NOT PYTHONINTERP_FOUND )
213 "Unable to find Python interpreter, required for builds and testing.
215 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
219 # LLVMBuild Integration
221 # We use llvm-build to generate all the data required by the CMake based
222 # build system in one swoop:
224 # - We generate a file (a CMake fragment) in the object root which contains
225 # all the definitions that are required by CMake.
227 # - We generate the library table used by llvm-config.
229 # - We generate the dependencies for the CMake fragment, so that we will
230 # automatically reconfigure outselves.
232 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
233 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
234 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
235 set(LLVMBUILDCMAKEFRAG
236 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
237 message(STATUS "Constructing LLVMBuild project information")
239 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
240 --native-target "${LLVM_NATIVE_ARCH}"
241 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
242 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
243 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
244 ERROR_VARIABLE LLVMBUILDOUTPUT
245 ERROR_VARIABLE LLVMBUILDERRORS
246 OUTPUT_STRIP_TRAILING_WHITESPACE
247 ERROR_STRIP_TRAILING_WHITESPACE
248 RESULT_VARIABLE LLVMBUILDRESULT)
250 # On Win32, CMake doesn't properly handle piping the default output/error
251 # streams into the GUI console. So, we explicitly catch and report them.
252 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
253 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
255 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
257 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
260 # Include the generated CMake fragment. This will define properties from the
261 # LLVMBuild files in a format which is easy to consume from CMake, and will add
262 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
264 include(${LLVMBUILDCMAKEFRAG})
268 # Configure all of the various header file fragments LLVM uses which depend on
269 # configuration variables.
270 set(LLVM_ENUM_ASM_PRINTERS "")
271 set(LLVM_ENUM_ASM_PARSERS "")
272 set(LLVM_ENUM_DISASSEMBLERS "")
273 foreach(t ${LLVM_TARGETS_TO_BUILD})
274 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
275 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
277 set(LLVM_ENUM_ASM_PRINTERS
278 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
280 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
281 set(LLVM_ENUM_ASM_PARSERS
282 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
284 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
285 set(LLVM_ENUM_DISASSEMBLERS
286 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
290 # Produce the target definition files, which provide a way for clients to easily
291 # include various classes of targets.
293 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
294 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
297 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
298 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
301 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
302 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
305 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
306 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
309 # Configure the three LLVM configuration header files.
311 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
312 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
314 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
315 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
317 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
318 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
320 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
321 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
322 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
324 set(CMAKE_INCLUDE_CURRENT_DIR ON)
326 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
328 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
329 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
330 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
336 # People report that -O3 is unreliable on MinGW. The traditional
337 # build also uses -O2 for that reason:
338 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
341 # Put this before tblgen. Else we have a circular dependence.
342 add_subdirectory(lib/Support)
343 add_subdirectory(lib/TableGen)
345 add_subdirectory(utils/TableGen)
347 add_subdirectory(include/llvm)
349 add_subdirectory(lib)
351 add_subdirectory(utils/FileCheck)
352 add_subdirectory(utils/FileUpdate)
353 add_subdirectory(utils/count)
354 add_subdirectory(utils/not)
355 add_subdirectory(utils/llvm-lit)
356 add_subdirectory(utils/json-bench)
358 add_subdirectory(projects)
360 if( LLVM_INCLUDE_TOOLS )
361 add_subdirectory(tools)
364 if( LLVM_INCLUDE_RUNTIME )
365 add_subdirectory(runtime)
368 if( LLVM_INCLUDE_EXAMPLES )
369 add_subdirectory(examples)
372 if( LLVM_INCLUDE_TESTS )
373 add_subdirectory(test)
374 add_subdirectory(utils/unittest)
375 add_subdirectory(unittests)
377 # This utility is used to prevent chrashing tests from calling Dr. Watson on
379 add_subdirectory(utils/KillTheDoctor)
383 add_subdirectory(cmake/modules)
385 install(DIRECTORY include/
392 PATTERN "LICENSE.TXT"
393 PATTERN ".svn" EXCLUDE
396 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
403 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
404 PATTERN "CMakeFiles" EXCLUDE
405 PATTERN ".svn" EXCLUDE
408 # TODO: make and install documentation.
410 set(CPACK_PACKAGE_VENDOR "LLVM")
411 set(CPACK_PACKAGE_VERSION_MAJOR 2)
412 set(CPACK_PACKAGE_VERSION_MINOR 9)
413 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
416 # Workaround for MSVS10 to avoid the Dialog Hell
417 # FIXME: This could be removed with future version of CMake.
418 if(MSVC_VERSION EQUAL 1600)
419 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
420 if( EXISTS "${LLVM_SLN_FILENAME}" )
421 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")