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   "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
  11   )
  12
  13 set(PACKAGE_VERSION "3.0")
  14
  15 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
  16
  17 include(VersionFromVCS)
  18
  19 option(LLVM_APPEND_VC_REV
  20   "Append the version control system revision id to LLVM version" OFF)
  21
  22 if( LLVM_APPEND_VC_REV )
  23   add_version_info_from_vcs(PACKAGE_VERSION)
  24 endif()
  25
  26 set(PACKAGE_NAME llvm)
  27 set(PACKAGE_STRING "${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 # List of targets with JIT support:
  85 set(LLVM_TARGETS_WITH_JIT X86 PowerPC ARM Mips)
  86
  87 if( MSVC )
  88   set(LLVM_TARGETS_TO_BUILD X86
  89     CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
  90 else( MSVC )
  91   set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
  92     CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
  93 endif( MSVC )
  94
  95 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
  96 if(LLVM_ENABLE_CBE_PRINTF_A)
  97   set(ENABLE_CBE_PRINTF_A 1)
  98 endif()
  99
 100 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
 101 if(LLVM_ENABLE_TIMESTAMPS)
 102   set(ENABLE_TIMESTAMPS 1)
 103 endif()
 104
 105 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
 106 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
 107 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
 108
 109 set(LLVM_TARGET_ARCH "host"
 110   CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
 111
 112 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
 113
 114 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
 115   set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
 116 endif()
 117
 118 set(LLVM_ENUM_TARGETS "")
 119 foreach(c ${LLVM_TARGETS_TO_BUILD})
 120   list(FIND LLVM_ALL_TARGETS ${c} idx)
 121   if( idx LESS 0 )
 122     message(FATAL_ERROR "The target `${c}' does not exist.
 123     It should be one of\n${LLVM_ALL_TARGETS}")
 124   else()
 125     set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
 126   endif()
 127 endforeach(c)
 128
 129 # Produce llvm/Config/Targets.def
 130 configure_file(
 131   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
 132   ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
 133   )
 134
 135 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
 136
 137 include(AddLLVMDefinitions)
 138
 139 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
 140
 141 # MSVC has a gazillion warnings with this.
 142 if( MSVC )
 143   option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
 144 else( MSVC )
 145   option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
 146 endif()
 147
 148 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
 149 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
 150
 151 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
 152   option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
 153 else()
 154   option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
 155 endif()
 156
 157 # All options referred to from HandleLLVMOptions have to be specified
 158 # BEFORE this include, otherwise options will not be correctly set on
 159 # first cmake run
 160 include(config-ix)
 161 include(HandleLLVMOptions)
 162
 163 configure_file(
 164   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
 165   ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
 166
 167 configure_file(
 168   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
 169   ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
 170
 171 configure_file(
 172   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
 173   ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
 174
 175 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
 176 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
 177 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
 178
 179 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 180
 181 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
 182
 183 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
 184    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
 185 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
 186
 187 include(AddLLVM)
 188 include(TableGen)
 189
 190 macro(llvm_tablegen)
 191   tablegen(LLVM ${ARGN})
 192 endmacro()
 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 add_subdirectory(lib/TableGen)
 203
 204 add_subdirectory(utils/TableGen)
 205
 206 add_subdirectory(include/llvm)
 207
 208 add_subdirectory(lib)
 209
 210 add_subdirectory(utils/FileCheck)
 211 add_subdirectory(utils/FileUpdate)
 212 add_subdirectory(utils/count)
 213 add_subdirectory(utils/not)
 214 add_subdirectory(utils/llvm-lit)
 215
 216 add_subdirectory(projects)
 217
 218 option(LLVM_BUILD_TOOLS
 219   "Build the LLVM tools. If OFF, just generate build targets." ON)
 220 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
 221 if( LLVM_INCLUDE_TOOLS )
 222   add_subdirectory(tools)
 223 endif()
 224
 225 option(LLVM_BUILD_RUNTIME
 226   "Build the LLVM runtime libraries. If OFF, just generate build targets." ON)
 227 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON)
 228 if( LLVM_INCLUDE_RUNTIME )
 229   add_subdirectory(runtime)
 230 endif()
 231
 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)
 237 endif()
 238
 239 option(LLVM_BUILD_TESTS
 240   "Build LLVM unit tests. If OFF, just generate build targets." OFF)
 241 if( LLVM_INCLUDE_TESTS )
 242   add_subdirectory(test)
 243   add_subdirectory(utils/unittest)
 244   add_subdirectory(unittests)
 245   if (MSVC)
 246     # This utility is used to prevent chrashing tests from calling Dr. Watson on
 247     # Windows.
 248     add_subdirectory(utils/KillTheDoctor)
 249   endif()
 250 endif()
 251
 252 add_subdirectory(cmake/modules)
 253
 254 install(DIRECTORY include/
 255   DESTINATION include
 256   FILES_MATCHING
 257   PATTERN "*.def"
 258   PATTERN "*.h"
 259   PATTERN "*.td"
 260   PATTERN "*.inc"
 261   PATTERN "LICENSE.TXT"
 262   PATTERN ".svn" EXCLUDE
 263   )
 264
 265 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
 266   DESTINATION include
 267   FILES_MATCHING
 268   PATTERN "*.def"
 269   PATTERN "*.h"
 270   PATTERN "*.gen"
 271   PATTERN "*.inc"
 272   # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
 273   PATTERN "CMakeFiles" EXCLUDE
 274   PATTERN ".svn" EXCLUDE
 275   )
 276
 277 # TODO: make and install documentation.
 278
 279 set(CPACK_PACKAGE_VENDOR "LLVM")
 280 set(CPACK_PACKAGE_VERSION_MAJOR 2)
 281 set(CPACK_PACKAGE_VERSION_MINOR 9)
 282 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
 283 include(CPack)
 284
 285 # Workaround for MSVS10 to avoid the Dialog Hell
 286 # FIXME: This could be removed with future version of CMake.
 287 if(MSVC_VERSION EQUAL 1600)
 288   set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
 289   if( EXISTS "${LLVM_SLN_FILENAME}" )
 290     file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")
 291   endif()
 292 endif()