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)
  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 refered 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 if( MINGW )
 191   # People report that -O3 is unreliable on MinGW. The traditional
 192   # build also uses -O2 for that reason:
 193   llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
 194 endif()
 195
 196 # Put this before tblgen. Else we have a circular dependence.
 197 add_subdirectory(lib/Support)
 198
 199 set(LLVM_TABLEGEN "tblgen" CACHE
 200   STRING "Native TableGen executable. Saves building one when cross-compiling.")
 201 # Effective tblgen executable to be used:
 202 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
 203
 204 add_subdirectory(utils/TableGen)
 205
 206 if( CMAKE_CROSSCOMPILING )
 207   # This adds a dependency on target `tblgen', so must go after utils/TableGen
 208   include( CrossCompileLLVM )
 209 endif( CMAKE_CROSSCOMPILING )
 210
 211 add_subdirectory(include/llvm)
 212
 213 add_subdirectory(lib)
 214
 215 add_subdirectory(utils/FileCheck)
 216 add_subdirectory(utils/FileUpdate)
 217 add_subdirectory(utils/count)
 218 add_subdirectory(utils/not)
 219 add_subdirectory(utils/llvm-lit)
 220
 221 add_subdirectory(projects)
 222
 223 option(LLVM_BUILD_TOOLS
 224   "Build the LLVM tools. If OFF, just generate build targets." ON)
 225 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
 226 if( LLVM_INCLUDE_TOOLS )
 227   add_subdirectory(tools)
 228 endif()
 229
 230 option(LLVM_BUILD_EXAMPLES
 231   "Build the LLVM example programs. If OFF, just generate build targets." OFF)
 232 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
 233 if( LLVM_INCLUDE_EXAMPLES )
 234   add_subdirectory(examples)
 235 endif()
 236
 237 option(LLVM_BUILD_TESTS
 238   "Build LLVM unit tests. If OFF, just generate build targes." OFF)
 239 if( LLVM_INCLUDE_TESTS )
 240   add_subdirectory(test)
 241   add_subdirectory(utils/unittest)
 242   add_subdirectory(unittests)
 243   if (MSVC)
 244     # This utility is used to prevent chrashing tests from calling Dr. Watson on
 245     # Windows.
 246     add_subdirectory(utils/KillTheDoctor)
 247   endif()
 248 endif()
 249
 250 add_subdirectory(cmake/modules)
 251
 252 install(DIRECTORY include/
 253   DESTINATION include
 254   FILES_MATCHING
 255   PATTERN "*.def"
 256   PATTERN "*.h"
 257   PATTERN "*.td"
 258   PATTERN "*.inc"
 259   PATTERN "LICENSE.TXT"
 260   PATTERN ".svn" EXCLUDE
 261   )
 262
 263 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
 264   DESTINATION include
 265   FILES_MATCHING
 266   PATTERN "*.def"
 267   PATTERN "*.h"
 268   PATTERN "*.gen"
 269   PATTERN "*.inc"
 270   # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
 271   PATTERN "CMakeFiles" EXCLUDE
 272   PATTERN ".svn" EXCLUDE
 273   )
 274
 275 # TODO: make and install documentation.
 276
 277 set(CPACK_PACKAGE_VENDOR "LLVM")
 278 set(CPACK_PACKAGE_VERSION_MAJOR 2)
 279 set(CPACK_PACKAGE_VERSION_MINOR 9)
 280 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
 281 include(CPack)
 282
 283 # Workaround for MSVS10 to avoid the Dialog Hell
 284 # FIXME: This could be removed with future version of CMake.
 285 if(MSVC_VERSION EQUAL 1600)
 286   set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
 287   if( EXISTS "${LLVM_SLN_FILENAME}" )
 288     file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")
 289   endif()
 290 endif()