CMakeLists.txt

   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} ${PACKAGE_VERSION}")
  28 set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
  29
  30 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
  31   message(FATAL_ERROR "In-source builds are not allowed.
  32 CMake would overwrite the makefiles distributed with LLVM.
  33 Please create a directory and run cmake from there, passing the path
  34 to this source directory as the last argument.
  35 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
  36 Please delete them.")
  37 endif()
  38
  39 string(TOUPPER "${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 include(config-ix)
 139
 140 include(HandleLLVMOptions)
 141
 142 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
 143   option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
 144 else()
 145   option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
 146 endif()
 147
 148 configure_file(
 149   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
 150   ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
 151
 152 configure_file(
 153   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
 154   ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
 155
 156 configure_file(
 157   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
 158   ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
 159
 160 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
 161 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
 162 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
 163
 164 # MSVC has a gazillion warnings with this.
 165 if( MSVC )
 166   option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
 167 else( MSVC )
 168   option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
 169 endif()
 170
 171 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
 172 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
 173
 174 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 175
 176 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
 177
 178 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
 179    SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/Support/Solaris.h")
 180 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
 181
 182 include(AddLLVM)
 183 include(TableGen)
 184
 185 if( MINGW )
 186   get_system_libs(LLVM_SYSTEM_LIBS_LIST)
 187   foreach(l ${LLVM_SYSTEM_LIBS_LIST})
 188     set(LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS} -l${l}")
 189   endforeach()
 190   set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
 191   set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
 192 endif()
 193
 194 if( MINGW )
 195   # People report that -O3 is unreliable on MinGW. The traditional
 196   # build also uses -O2 for that reason:
 197   llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
 198 endif()
 199
 200 # Put this before tblgen. Else we have a circular dependence.
 201 add_subdirectory(lib/Support)
 202
 203 set(LLVM_TABLEGEN "tblgen" CACHE
 204   STRING "Native TableGen executable. Saves building one when cross-compiling.")
 205 # Effective tblgen executable to be used:
 206 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
 207
 208 add_subdirectory(utils/TableGen)
 209
 210 if( CMAKE_CROSSCOMPILING )
 211   # This adds a dependency on target `tblgen', so must go after utils/TableGen
 212   include( CrossCompileLLVM )
 213 endif( CMAKE_CROSSCOMPILING )
 214
 215 add_subdirectory(include/llvm)
 216
 217 add_subdirectory(lib)
 218
 219 add_subdirectory(utils/FileCheck)
 220 add_subdirectory(utils/FileUpdate)
 221 add_subdirectory(utils/count)
 222 add_subdirectory(utils/not)
 223 add_subdirectory(utils/llvm-lit)
 224
 225 add_subdirectory(projects)
 226
 227 option(LLVM_BUILD_TOOLS
 228   "Build the LLVM tools. If OFF, just generate build targets." ON)
 229 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
 230 if( LLVM_INCLUDE_TOOLS )
 231   add_subdirectory(tools)
 232 endif()
 233
 234 option(LLVM_BUILD_EXAMPLES
 235   "Build the LLVM example programs. If OFF, just generate build targets." OFF)
 236 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
 237 if( LLVM_INCLUDE_EXAMPLES )
 238   add_subdirectory(examples)
 239 endif()
 240
 241 option(LLVM_BUILD_TESTS
 242   "Build LLVM unit tests. If OFF, just generate build targes." OFF)
 243 if( LLVM_INCLUDE_TESTS )
 244   add_subdirectory(test)
 245   add_subdirectory(utils/unittest)
 246   add_subdirectory(unittests)
 247   if (MSVC)
 248     # This utility is used to prevent chrashing tests from calling Dr. Watson on
 249     # Windows.
 250     add_subdirectory(utils/KillTheDoctor)
 251   endif()
 252 endif()
 253
 254 add_subdirectory(cmake/modules)
 255
 256 install(DIRECTORY include/
 257   DESTINATION include
 258   FILES_MATCHING
 259   PATTERN "*.def"
 260   PATTERN "*.h"
 261   PATTERN "*.td"
 262   PATTERN "*.inc"
 263   PATTERN "LICENSE.TXT"
 264   PATTERN ".svn" EXCLUDE
 265   )
 266
 267 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
 268   DESTINATION include
 269   FILES_MATCHING
 270   PATTERN "*.def"
 271   PATTERN "*.h"
 272   PATTERN "*.gen"
 273   PATTERN "*.inc"
 274   # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
 275   PATTERN "CMakeFiles" EXCLUDE
 276   PATTERN ".svn" EXCLUDE
 277   )
 278
 279 # TODO: make and install documentation.
 280
 281 set(CPACK_PACKAGE_VENDOR "LLVM")
 282 set(CPACK_PACKAGE_VERSION_MAJOR 2)
 283 set(CPACK_PACKAGE_VERSION_MINOR 9)
 284 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
 285 include(CPack)
 286
 287 # Workaround for MSVS10 to avoid the Dialog Hell
 288 # FIXME: This could be removed with future version of CMake.
 289 if(MSVC_VERSION EQUAL 1600)
 290   set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
 291   if( EXISTS "${LLVM_SLN_FILENAME}" )
 292     file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")
 293   endif()
 294 endif()