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 "3.0")
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} ${PACKAGE_VERSION}")
28 set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
30 # Sanity check our source directory to make sure that we are not trying to
31 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make
32 # sure that we don't have any stray generated files lying around in the tree
33 # (which would end up getting picked up by header search, instead of the correct
35 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
36 message(FATAL_ERROR "In-source builds are not allowed.
37 CMake would overwrite the makefiles distributed with LLVM.
38 Please create a directory and run cmake from there, passing the path
39 to this source directory as the last argument.
40 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
43 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
45 tablegenned_files_on_include_dir
46 "${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)" )
85 # List of targets with JIT support:
86 set(LLVM_TARGETS_WITH_JIT X86 PowerPC ARM Mips)
89 set(LLVM_TARGETS_TO_BUILD X86
90 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
92 set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
93 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
96 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
97 if(LLVM_ENABLE_CBE_PRINTF_A)
98 set(ENABLE_CBE_PRINTF_A 1)
101 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
102 if(LLVM_ENABLE_TIMESTAMPS)
103 set(ENABLE_TIMESTAMPS 1)
106 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
107 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
108 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
110 set(LLVM_TARGET_ARCH "host"
111 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
113 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
115 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
116 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
119 set(LLVM_ENUM_TARGETS "")
120 foreach(c ${LLVM_TARGETS_TO_BUILD})
121 list(FIND LLVM_ALL_TARGETS ${c} idx)
123 message(FATAL_ERROR "The target `${c}' does not exist.
124 It should be one of\n${LLVM_ALL_TARGETS}")
126 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
130 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
132 include(AddLLVMDefinitions)
134 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
136 # MSVC has a gazillion warnings with this.
138 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
140 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
143 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
144 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
146 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
147 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
149 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
152 # Define an option controlling whether we should build for 32-bit on 64-bit
153 # platforms, where supported.
154 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
155 # TODO: support other platforms and toolchains.
156 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
159 # Define the default arguments to use with 'lit', and an option for the user to
161 set(LIT_ARGS_DEFAULT "-sv")
163 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
165 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
167 # On Win32/Cygwin, provide an option to specify the path to the GnuWin32 tools.
168 if( WIN32 AND CYGWIN )
169 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
172 # On Win32 using MS tools, provide an option to set the number of parallel jobs
174 if( MSVC_IDE AND ( MSVC90 OR MSVC10 ) )
175 # Only Visual Studio 2008 and 2010 officially supports /MP. Visual Studio
176 # 2005 supports it but it is experimental.
177 set(LLVM_COMPILER_JOBS "0" CACHE STRING
178 "Number of parallel compiler jobs. 0 means use all processors. Default is 0.")
181 # Define options to control the inclusion and default build behavior for
182 # components which may not strictly be necessary (tools, runtime, examples, and
185 # This is primarily to support building smaller or faster project files.
186 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
187 option(LLVM_BUILD_TOOLS
188 "Build the LLVM tools. If OFF, just generate build targets." ON)
190 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON)
191 option(LLVM_BUILD_RUNTIME
192 "Build the LLVM runtime libraries. If OFF, just generate build targets." ON)
194 option(LLVM_BUILD_EXAMPLES
195 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
196 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
198 option(LLVM_BUILD_TESTS
199 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
200 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
202 # All options referred to from HandleLLVMOptions have to be specified
203 # BEFORE this include, otherwise options will not be correctly set on
206 include(HandleLLVMOptions)
208 # Verify that we can find a Python interpreter,
209 include(FindPythonInterp)
210 if( NOT PYTHONINTERP_FOUND )
212 "Unable to find Python interpreter, required for builds and testing.
214 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
217 # Configure all of the various header file fragments LLVM uses which depend on
218 # configuration variables.
219 set(LLVM_ENUM_ASM_PRINTERS "")
220 set(LLVM_ENUM_ASM_PARSERS "")
221 set(LLVM_ENUM_DISASSEMBLERS "")
222 foreach(t ${LLVM_TARGETS_TO_BUILD})
223 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
224 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
226 set(LLVM_ENUM_ASM_PRINTERS
227 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
229 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
230 set(LLVM_ENUM_ASM_PARSERS
231 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
233 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
234 set(LLVM_ENUM_DISASSEMBLERS
235 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
239 # Produce the target definition files, which provide a way for clients to easily
240 # include various classes of targets.
242 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
243 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
246 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
247 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
250 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
251 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
254 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
255 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
258 # Configure the three LLVM configuration header files.
260 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
261 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
263 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
264 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
266 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
267 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
269 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
270 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
271 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
273 set(CMAKE_INCLUDE_CURRENT_DIR ON)
275 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
277 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
278 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
279 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
285 # People report that -O3 is unreliable on MinGW. The traditional
286 # build also uses -O2 for that reason:
287 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
290 # Put this before tblgen. Else we have a circular dependence.
291 add_subdirectory(lib/Support)
292 add_subdirectory(lib/TableGen)
294 add_subdirectory(utils/TableGen)
296 add_subdirectory(include/llvm)
298 add_subdirectory(lib)
300 add_subdirectory(utils/FileCheck)
301 add_subdirectory(utils/FileUpdate)
302 add_subdirectory(utils/count)
303 add_subdirectory(utils/not)
304 add_subdirectory(utils/llvm-lit)
306 add_subdirectory(projects)
308 if( LLVM_INCLUDE_TOOLS )
309 add_subdirectory(tools)
312 if( LLVM_INCLUDE_RUNTIME )
313 add_subdirectory(runtime)
316 if( LLVM_INCLUDE_EXAMPLES )
317 add_subdirectory(examples)
320 if( LLVM_INCLUDE_TESTS )
321 add_subdirectory(test)
322 add_subdirectory(utils/unittest)
323 add_subdirectory(unittests)
325 # This utility is used to prevent chrashing tests from calling Dr. Watson on
327 add_subdirectory(utils/KillTheDoctor)
331 add_subdirectory(cmake/modules)
333 install(DIRECTORY include/
340 PATTERN "LICENSE.TXT"
341 PATTERN ".svn" EXCLUDE
344 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
351 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
352 PATTERN "CMakeFiles" EXCLUDE
353 PATTERN ".svn" EXCLUDE
356 # TODO: make and install documentation.
358 set(CPACK_PACKAGE_VENDOR "LLVM")
359 set(CPACK_PACKAGE_VERSION_MAJOR 2)
360 set(CPACK_PACKAGE_VERSION_MINOR 9)
361 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
364 # Workaround for MSVS10 to avoid the Dialog Hell
365 # FIXME: This could be removed with future version of CMake.
366 if(MSVC_VERSION EQUAL 1600)
367 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
368 if( EXISTS "${LLVM_SLN_FILENAME}" )
369 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")