|
| 1 | +# See docs/CMake.html for instructions about how to build LLVM with CMake. |
| 2 | + |
| 3 | +project(LLVM) |
| 4 | +cmake_minimum_required(VERSION 2.8) |
| 5 | + |
| 6 | +# Add path for custom modules |
| 7 | +set(CMAKE_MODULE_PATH |
| 8 | + ${CMAKE_MODULE_PATH} |
| 9 | + "${CMAKE_CURRENT_SOURCE_DIR}/cmake" |
| 10 | + "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" |
| 11 | + ) |
| 12 | + |
| 13 | +set(PACKAGE_VERSION "2.9") |
| 14 | + |
| 15 | +set_property(GLOBAL PROPERTY USE_FOLDERS ON) |
| 16 | + |
| 17 | +include(VersionFromVCS) |
| 18 | + |
| 19 | +option(LLVM_APPEND_VC_REV |
| 20 | + "Append the version control system revision id to LLVM version" OFF) |
| 21 | + |
| 22 | +if( LLVM_APPEND_VC_REV ) |
| 23 | + add_version_info_from_vcs(PACKAGE_VERSION) |
| 24 | +endif() |
| 25 | + |
| 26 | +set(PACKAGE_NAME llvm) |
| 27 | +set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") |
| 28 | +set(PACKAGE_BUGREPORT "[email protected]") |
| 29 | + |
| 30 | +if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE ) |
| 31 | + message(FATAL_ERROR "In-source builds are not allowed. |
| 32 | +CMake would overwrite the makefiles distributed with LLVM. |
| 33 | +Please create a directory and run cmake from there, passing the path |
| 34 | +to this source directory as the last argument. |
| 35 | +This process created the file `CMakeCache.txt' and the directory `CMakeFiles'. |
| 36 | +Please delete them.") |
| 37 | +endif() |
| 38 | + |
| 39 | +string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE) |
| 40 | + |
| 41 | +set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}) |
| 42 | +set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include) |
| 43 | +set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) |
| 44 | +set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin) |
| 45 | +set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples) |
| 46 | +set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" ) |
| 47 | + |
| 48 | +if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR ) |
| 49 | + file(GLOB_RECURSE |
| 50 | + tablegenned_files_on_include_dir |
| 51 | + "${LLVM_MAIN_SRC_DIR}/include/llvm/*.gen") |
| 52 | + file(GLOB_RECURSE |
| 53 | + tablegenned_files_on_lib_dir |
| 54 | + "${LLVM_MAIN_SRC_DIR}/lib/Target/*.inc") |
| 55 | + if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir) |
| 56 | + message(FATAL_ERROR "Apparently there is a previous in-source build, |
| 57 | +probably as the result of running `configure' and `make' on |
| 58 | +${LLVM_MAIN_SRC_DIR}. |
| 59 | +This may cause problems. The suspicious files are: |
| 60 | +${tablegenned_files_on_lib_dir} |
| 61 | +${tablegenned_files_on_include_dir} |
| 62 | +Please clean the source directory.") |
| 63 | + endif() |
| 64 | +endif() |
| 65 | + |
| 66 | +set(LLVM_ALL_TARGETS |
| 67 | + Alpha |
| 68 | + ARM |
| 69 | + Blackfin |
| 70 | + CBackend |
| 71 | + CellSPU |
| 72 | + CppBackend |
| 73 | + Mips |
| 74 | + MBlaze |
| 75 | + MSP430 |
| 76 | + PowerPC |
| 77 | + PTX |
| 78 | + Sparc |
| 79 | + SystemZ |
| 80 | + X86 |
| 81 | + XCore |
| 82 | + ) |
| 83 | + |
| 84 | +if( MSVC ) |
| 85 | + set(LLVM_TARGETS_TO_BUILD X86 |
| 86 | + CACHE STRING "Semicolon-separated list of targets to build, or \"all\".") |
| 87 | +else( MSVC ) |
| 88 | + set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} |
| 89 | + CACHE STRING "Semicolon-separated list of targets to build, or \"all\".") |
| 90 | +endif( MSVC ) |
| 91 | + |
| 92 | +option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON) |
| 93 | +if(LLVM_ENABLE_CBE_PRINTF_A) |
| 94 | + set(ENABLE_CBE_PRINTF_A 1) |
| 95 | +endif() |
| 96 | + |
| 97 | +option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON) |
| 98 | +if(LLVM_ENABLE_TIMESTAMPS) |
| 99 | + set(ENABLE_TIMESTAMPS 1) |
| 100 | +endif() |
| 101 | + |
| 102 | +option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF) |
| 103 | +set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so") |
| 104 | +set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h") |
| 105 | + |
| 106 | +set(LLVM_TARGET_ARCH "host" |
| 107 | + CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.") |
| 108 | + |
| 109 | +option(LLVM_ENABLE_THREADS "Use threads if available." ON) |
| 110 | + |
| 111 | +if( LLVM_TARGETS_TO_BUILD STREQUAL "all" ) |
| 112 | + set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} ) |
| 113 | +endif() |
| 114 | + |
| 115 | +set(LLVM_ENUM_TARGETS "") |
| 116 | +foreach(c ${LLVM_TARGETS_TO_BUILD}) |
| 117 | + list(FIND LLVM_ALL_TARGETS ${c} idx) |
| 118 | + if( idx LESS 0 ) |
| 119 | + message(FATAL_ERROR "The target `${c}' does not exist. |
| 120 | + It should be one of\n${LLVM_ALL_TARGETS}") |
| 121 | + else() |
| 122 | + set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n") |
| 123 | + endif() |
| 124 | +endforeach(c) |
| 125 | + |
| 126 | +# Produce llvm/Config/Targets.def |
| 127 | +configure_file( |
| 128 | + ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in |
| 129 | + ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def |
| 130 | + ) |
| 131 | + |
| 132 | +set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm) |
| 133 | + |
| 134 | +include(AddLLVMDefinitions) |
| 135 | + |
| 136 | +option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON) |
| 137 | + |
| 138 | +# MSVC has a gazillion warnings with this. |
| 139 | +if( MSVC ) |
| 140 | + option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF) |
| 141 | +else( MSVC ) |
| 142 | + option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON) |
| 143 | +endif() |
| 144 | + |
| 145 | +option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON) |
| 146 | +option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF) |
| 147 | + |
| 148 | +if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" ) |
| 149 | + option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF) |
| 150 | +else() |
| 151 | + option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON) |
| 152 | +endif() |
| 153 | + |
| 154 | +# All options refered to from HandleLLVMOptions have to be specified |
| 155 | +# BEFORE this include, otherwise options will not be correctly set on |
| 156 | +# first cmake run |
| 157 | +include(config-ix) |
| 158 | +include(HandleLLVMOptions) |
| 159 | + |
| 160 | +configure_file( |
| 161 | + ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake |
| 162 | + ${LLVM_BINARY_DIR}/include/llvm/Config/config.h) |
| 163 | + |
| 164 | +configure_file( |
| 165 | + ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake |
| 166 | + ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h) |
| 167 | + |
| 168 | +configure_file( |
| 169 | + ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake |
| 170 | + ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h) |
| 171 | + |
| 172 | +set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} ) |
| 173 | +set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib ) |
| 174 | +set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib ) |
| 175 | + |
| 176 | +set(CMAKE_INCLUDE_CURRENT_DIR ON) |
| 177 | + |
| 178 | +include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR}) |
| 179 | + |
| 180 | +if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS ) |
| 181 | + SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/Support/Solaris.h") |
| 182 | +endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS ) |
| 183 | + |
| 184 | +include(AddLLVM) |
| 185 | +include(TableGen) |
| 186 | + |
| 187 | +if( MINGW ) |
| 188 | + get_system_libs(LLVM_SYSTEM_LIBS_LIST) |
| 189 | + foreach(l ${LLVM_SYSTEM_LIBS_LIST}) |
| 190 | + set(LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS} -l${l}") |
| 191 | + endforeach() |
| 192 | + set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}") |
| 193 | + set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}") |
| 194 | +endif() |
| 195 | + |
| 196 | +if( MINGW ) |
| 197 | + # People report that -O3 is unreliable on MinGW. The traditional |
| 198 | + # build also uses -O2 for that reason: |
| 199 | + llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2") |
| 200 | +endif() |
| 201 | + |
| 202 | +# Put this before tblgen. Else we have a circular dependence. |
| 203 | +add_subdirectory(lib/Support) |
| 204 | + |
| 205 | +set(LLVM_TABLEGEN "tblgen" CACHE |
| 206 | + STRING "Native TableGen executable. Saves building one when cross-compiling.") |
| 207 | +# Effective tblgen executable to be used: |
| 208 | +set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN}) |
| 209 | + |
| 210 | +add_subdirectory(utils/TableGen) |
| 211 | + |
| 212 | +if( CMAKE_CROSSCOMPILING ) |
| 213 | + # This adds a dependency on target `tblgen', so must go after utils/TableGen |
| 214 | + include( CrossCompileLLVM ) |
| 215 | +endif( CMAKE_CROSSCOMPILING ) |
| 216 | + |
| 217 | +add_subdirectory(include/llvm) |
| 218 | + |
| 219 | +add_subdirectory(lib) |
| 220 | + |
| 221 | +add_subdirectory(utils/FileCheck) |
| 222 | +add_subdirectory(utils/FileUpdate) |
| 223 | +add_subdirectory(utils/count) |
| 224 | +add_subdirectory(utils/not) |
| 225 | +add_subdirectory(utils/llvm-lit) |
| 226 | + |
| 227 | +add_subdirectory(projects) |
| 228 | + |
| 229 | +option(LLVM_BUILD_TOOLS |
| 230 | + "Build the LLVM tools. If OFF, just generate build targets." ON) |
| 231 | +option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON) |
| 232 | +if( LLVM_INCLUDE_TOOLS ) |
| 233 | + add_subdirectory(tools) |
| 234 | +endif() |
| 235 | + |
| 236 | +option(LLVM_BUILD_EXAMPLES |
| 237 | + "Build the LLVM example programs. If OFF, just generate build targets." OFF) |
| 238 | +option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON) |
| 239 | +if( LLVM_INCLUDE_EXAMPLES ) |
| 240 | + add_subdirectory(examples) |
| 241 | +endif() |
| 242 | + |
| 243 | +option(LLVM_BUILD_TESTS |
| 244 | + "Build LLVM unit tests. If OFF, just generate build targes." OFF) |
| 245 | +if( LLVM_INCLUDE_TESTS ) |
| 246 | + add_subdirectory(test) |
| 247 | + add_subdirectory(utils/unittest) |
| 248 | + add_subdirectory(unittests) |
| 249 | + if (MSVC) |
| 250 | + # This utility is used to prevent chrashing tests from calling Dr. Watson on |
| 251 | + # Windows. |
| 252 | + add_subdirectory(utils/KillTheDoctor) |
| 253 | + endif() |
| 254 | +endif() |
| 255 | + |
| 256 | +add_subdirectory(cmake/modules) |
| 257 | + |
| 258 | +install(DIRECTORY include/ |
| 259 | + DESTINATION include |
| 260 | + FILES_MATCHING |
| 261 | + PATTERN "*.def" |
| 262 | + PATTERN "*.h" |
| 263 | + PATTERN "*.td" |
| 264 | + PATTERN "*.inc" |
| 265 | + PATTERN "LICENSE.TXT" |
| 266 | + PATTERN ".svn" EXCLUDE |
| 267 | + ) |
| 268 | + |
| 269 | +install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/ |
| 270 | + DESTINATION include |
| 271 | + FILES_MATCHING |
| 272 | + PATTERN "*.def" |
| 273 | + PATTERN "*.h" |
| 274 | + PATTERN "*.gen" |
| 275 | + PATTERN "*.inc" |
| 276 | + # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def" |
| 277 | + PATTERN "CMakeFiles" EXCLUDE |
| 278 | + PATTERN ".svn" EXCLUDE |
| 279 | + ) |
| 280 | + |
| 281 | +# TODO: make and install documentation. |
| 282 | + |
| 283 | +set(CPACK_PACKAGE_VENDOR "LLVM") |
| 284 | +set(CPACK_PACKAGE_VERSION_MAJOR 2) |
| 285 | +set(CPACK_PACKAGE_VERSION_MINOR 9) |
| 286 | +add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH) |
| 287 | +include(CPack) |
| 288 | + |
| 289 | +# Workaround for MSVS10 to avoid the Dialog Hell |
| 290 | +# FIXME: This could be removed with future version of CMake. |
| 291 | +if(MSVC_VERSION EQUAL 1600) |
| 292 | + set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln") |
| 293 | + if( EXISTS "${LLVM_SLN_FILENAME}" ) |
| 294 | + file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n") |
| 295 | + endif() |
| 296 | +endif() |
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