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 "2.9")
15 include(VersionFromVCS)
17 option(LLVM_APPEND_VC_REV
18 "Append the version control system revision id to LLVM version" OFF)
20 if( LLVM_APPEND_VC_REV )
21 add_version_info_from_vcs(PACKAGE_VERSION)
24 set(PACKAGE_NAME llvm)
25 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
26 set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
28 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
29 message(FATAL_ERROR "In-source builds are not allowed.
30 CMake would overwrite the makefiles distributed with LLVM.
31 Please create a directory and run cmake from there, passing the path
32 to this source directory as the last argument.
33 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
37 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
39 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
40 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
41 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
42 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
43 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
44 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
46 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
48 tablegenned_files_on_include_dir
49 "${LLVM_MAIN_SRC_DIR}/include/llvm/*.gen")
51 tablegenned_files_on_lib_dir
52 "${LLVM_MAIN_SRC_DIR}/lib/Target/*.inc")
53 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
54 message(FATAL_ERROR "Apparently there is a previous in-source build,
55 probably as the result of running `configure' and `make' on
57 This may cause problems. The suspicious files are:
58 ${tablegenned_files_on_lib_dir}
59 ${tablegenned_files_on_include_dir}
60 Please clean the source directory.")
83 set(LLVM_TARGETS_TO_BUILD X86
84 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
86 set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
87 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
90 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
91 if(LLVM_ENABLE_CBE_PRINTF_A)
92 set(ENABLE_CBE_PRINTF_A 1)
95 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
96 if(LLVM_ENABLE_TIMESTAMPS)
97 set(ENABLE_TIMESTAMPS 1)
100 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
101 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
102 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
104 set(LLVM_TARGET_ARCH "host"
105 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
107 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
109 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
110 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
113 set(LLVM_ENUM_TARGETS "")
114 foreach(c ${LLVM_TARGETS_TO_BUILD})
115 list(FIND LLVM_ALL_TARGETS ${c} idx)
117 message(FATAL_ERROR "The target `${c}' does not exist.
118 It should be one of\n${LLVM_ALL_TARGETS}")
120 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
124 # Produce llvm/Config/Targets.def
126 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
127 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
130 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
132 include(AddLLVMDefinitions)
134 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
138 include(HandleLLVMOptions)
140 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
141 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
143 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
147 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
148 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
151 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
152 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
155 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
156 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
158 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
159 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
160 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
162 # MSVC has a gazillion warnings with this.
164 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
166 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
169 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
170 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
172 set(CMAKE_INCLUDE_CURRENT_DIR ON)
174 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
176 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
177 SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/Support/Solaris.h")
178 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
184 get_system_libs(LLVM_SYSTEM_LIBS_LIST)
185 foreach(l ${LLVM_SYSTEM_LIBS_LIST})
186 set(LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS} -l${l}")
188 set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
189 set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
193 # People report that -O3 is unreliable on MinGW. The traditional
194 # build also uses -O2 for that reason:
195 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
198 # Put this before tblgen. Else we have a circular dependence.
199 add_subdirectory(lib/Support)
201 set(LLVM_TABLEGEN "tblgen" CACHE
202 STRING "Native TableGen executable. Saves building one when cross-compiling.")
203 # Effective tblgen executable to be used:
204 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
206 add_subdirectory(utils/TableGen)
208 if( CMAKE_CROSSCOMPILING )
209 # This adds a dependency on target `tblgen', so must go after utils/TableGen
210 include( CrossCompileLLVM )
211 endif( CMAKE_CROSSCOMPILING )
213 add_subdirectory(include/llvm)
215 add_subdirectory(lib)
217 add_subdirectory(utils/FileCheck)
218 add_subdirectory(utils/FileUpdate)
219 add_subdirectory(utils/count)
220 add_subdirectory(utils/not)
221 add_subdirectory(utils/llvm-lit)
223 add_subdirectory(projects)
225 option(LLVM_BUILD_TOOLS
226 "Build the LLVM tools. If OFF, just generate build targets." ON)
227 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
228 if( LLVM_INCLUDE_TOOLS )
229 add_subdirectory(tools)
232 option(LLVM_BUILD_EXAMPLES
233 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
234 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
235 if( LLVM_INCLUDE_EXAMPLES )
236 add_subdirectory(examples)
239 option(LLVM_BUILD_TESTS
240 "Build LLVM unit tests. If OFF, just generate build targes." OFF)
241 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
242 if( LLVM_INCLUDE_TESTS )
243 add_subdirectory(test)
244 add_subdirectory(utils/unittest)
245 add_subdirectory(unittests)
247 # This utility is used to prevent chrashing tests from calling Dr. Watson on
249 add_subdirectory(utils/KillTheDoctor)
253 add_subdirectory(cmake/modules)
255 install(DIRECTORY include/
262 PATTERN ".svn" EXCLUDE
265 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
272 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
273 PATTERN "CMakeFiles" EXCLUDE
274 PATTERN ".svn" EXCLUDE
277 # TODO: make and install documentation.
279 set(CPACK_PACKAGE_VENDOR "LLVM")
280 set(CPACK_PACKAGE_VERSION_MAJOR 2)
281 set(CPACK_PACKAGE_VERSION_MINOR 9)
282 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
285 # Workaround for MSVS10 to avoid the Dialog Hell
286 # FIXME: This could be removed with future version of CMake.
287 if(MSVC_VERSION EQUAL 1600)
288 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
289 if( EXISTS "${LLVM_SLN_FILENAME}" )
290 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")