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   "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
  11   )
  12
  13 set(PACKAGE_VERSION "2.8")
  14 include(VersionFromVCS)
  15 add_version_info_from_vcs(PACKAGE_VERSION)
  16
  17 set(PACKAGE_NAME llvm)
  18 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
  19 set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
  20
  21 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
  22   message(FATAL_ERROR "In-source builds are not allowed.
  23 CMake would overwrite the makefiles distributed with LLVM.
  24 Please create a directory and run cmake from there, passing the path
  25 to this source directory as the last argument.
  26 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
  27 Please delete them.")
  28 endif()
  29
  30 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
  31
  32 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
  33 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
  34 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
  35 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
  36 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
  37 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
  38
  39 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
  40   file(GLOB_RECURSE
  41     tablegenned_files_on_include_dir
  42     "${LLVM_MAIN_SRC_DIR}/include/llvm/*.gen")
  43   file(GLOB_RECURSE
  44     tablegenned_files_on_lib_dir
  45     "${LLVM_MAIN_SRC_DIR}/lib/Target/*.inc")
  46   if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
  47     message(FATAL_ERROR "Apparently there is a previous in-source build,
  48 probably as the result of running `configure' and `make' on
  49 ${LLVM_MAIN_SRC_DIR}.
  50 This may cause problems. The suspicious files are:
  51 ${tablegenned_files_on_lib_dir}
  52 ${tablegenned_files_on_include_dir}
  53 Please clean the source directory.")
  54   endif()
  55 endif()
  56
  57 set(LLVM_ALL_TARGETS
  58   Alpha
  59   ARM
  60   Blackfin
  61   CBackend
  62   CellSPU
  63   CppBackend
  64   Mips
  65   MBlaze
  66   MSP430
  67   PIC16
  68   PowerPC
  69   Sparc
  70   SystemZ
  71   X86
  72   XCore
  73   )
  74
  75 if( MSVC )
  76   set(LLVM_TARGETS_TO_BUILD X86
  77     CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
  78 else( MSVC )
  79   set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
  80     CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
  81 endif( MSVC )
  82
  83 set(C_INCLUDE_DIRS "" CACHE STRING
  84   "Colon separated list of directories clang will search for headers.")
  85
  86 set(LLVM_TARGET_ARCH "host"
  87   CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
  88
  89 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
  90
  91 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
  92   option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
  93 else()
  94   option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
  95 endif()
  96
  97 if( LLVM_ENABLE_ASSERTIONS )
  98   # MSVC doesn't like _DEBUG on release builds. See PR 4379.
  99   if( NOT MSVC )
 100     add_definitions( -D_DEBUG )
 101   endif()
 102   # On Release builds cmake automatically defines NDEBUG, so we
 103   # explicitly undefine it:
 104   if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
 105     add_definitions( -UNDEBUG )
 106   endif()
 107 else()
 108   if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
 109     add_definitions( -DNDEBUG )
 110   endif()
 111 endif()
 112
 113 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
 114   set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
 115 endif()
 116
 117 set(LLVM_ENUM_TARGETS "")
 118 foreach(c ${LLVM_TARGETS_TO_BUILD})
 119   list(FIND LLVM_ALL_TARGETS ${c} idx)
 120   if( idx LESS 0 )
 121     message(FATAL_ERROR "The target `${c}' does not exist.
 122     It should be one of\n${LLVM_ALL_TARGETS}")
 123   else()
 124     set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
 125   endif()
 126 endforeach(c)
 127
 128 # Produce llvm/Config/Targets.def
 129 configure_file(
 130   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
 131   ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
 132   )
 133
 134 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
 135
 136 include(AddLLVMDefinitions)
 137
 138 if(WIN32)
 139   if(CYGWIN)
 140     set(LLVM_ON_WIN32 0)
 141     set(LLVM_ON_UNIX 1)
 142   else(CYGWIN)
 143     set(LLVM_ON_WIN32 1)
 144     set(LLVM_ON_UNIX 0)
 145   endif(CYGWIN)
 146   set(LTDL_SHLIB_EXT ".dll")
 147   set(EXEEXT ".exe")
 148   # Maximum path length is 160 for non-unicode paths
 149   set(MAXPATHLEN 160)
 150 else(WIN32)
 151   if(UNIX)
 152     set(LLVM_ON_WIN32 0)
 153     set(LLVM_ON_UNIX 1)
 154     if(APPLE)
 155       set(LTDL_SHLIB_EXT ".dylib")
 156     else(APPLE)
 157       set(LTDL_SHLIB_EXT ".so")
 158     endif(APPLE)
 159     set(EXEEXT "")
 160     # FIXME: Maximum path length is currently set to 'safe' fixed value
 161     set(MAXPATHLEN 2024)
 162   else(UNIX)
 163     MESSAGE(SEND_ERROR "Unable to determine platform")
 164   endif(UNIX)
 165 endif(WIN32)
 166
 167 include(config-ix)
 168
 169 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
 170
 171 set(ENABLE_PIC 0)
 172 if( LLVM_ENABLE_PIC )
 173  if( XCODE )
 174    # Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't
 175    # know how to disable this, so just force ENABLE_PIC off for now.
 176    message(STATUS "Warning: -fPIC not supported with Xcode.")
 177  else( XCODE )
 178    if( SUPPORTS_FPIC_FLAG )
 179       message(STATUS "Building with -fPIC")
 180       add_llvm_definitions(-fPIC)
 181       set(ENABLE_PIC 1)
 182    else( SUPPORTS_FPIC_FLAG )
 183       message(STATUS "Warning: -fPIC not supported.")
 184    endif()
 185  endif()
 186 endif()
 187
 188 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
 189 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
 190 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
 191
 192 # set(CMAKE_VERBOSE_MAKEFILE true)
 193
 194 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
 195 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
 196
 197 # MSVC has a gazillion warnings with this.
 198 if( MSVC )
 199   option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
 200 else( MSVC )
 201   option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
 202 endif()
 203
 204 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
 205 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
 206
 207 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
 208   # TODO: support other platforms and toolchains.
 209   option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
 210   if( LLVM_BUILD_32_BITS )
 211     message(STATUS "Building 32 bits executables and libraries.")
 212     add_llvm_definitions( -m32 )
 213     list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
 214     list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
 215   endif( LLVM_BUILD_32_BITS )
 216 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
 217
 218 if( MSVC )
 219   include(ChooseMSVCCRT)
 220
 221   add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
 222   add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
 223   add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
 224   add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
 225   add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 )
 226
 227   # Suppress 'new behavior: elements of array 'array' will be default initialized'
 228   add_llvm_definitions( -wd4351 )
 229
 230   # Enable warnings
 231   if (LLVM_ENABLE_WARNINGS)
 232     add_llvm_definitions( /W4 /Wall )
 233     if (LLVM_ENABLE_PEDANTIC)
 234       # No MSVC equivalent available
 235     endif (LLVM_ENABLE_PEDANTIC)
 236   endif (LLVM_ENABLE_WARNINGS)
 237   if (LLVM_ENABLE_WERROR)
 238     add_llvm_definitions( /WX )
 239   endif (LLVM_ENABLE_WERROR)
 240 elseif( CMAKE_COMPILER_IS_GNUCXX )
 241   if (LLVM_ENABLE_WARNINGS)
 242     add_llvm_definitions( -Wall -W -Wno-unused-parameter -Wwrite-strings )
 243     if (LLVM_ENABLE_PEDANTIC)
 244       add_llvm_definitions( -pedantic -Wno-long-long )
 245     endif (LLVM_ENABLE_PEDANTIC)
 246   endif (LLVM_ENABLE_WARNINGS)
 247   if (LLVM_ENABLE_WERROR)
 248     add_llvm_definitions( -Werror )
 249   endif (LLVM_ENABLE_WERROR)
 250 endif( MSVC )
 251
 252 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
 253
 254 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
 255    SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/System/Solaris.h")
 256 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
 257
 258 include(AddLLVM)
 259 include(TableGen)
 260
 261 if( MINGW )
 262   get_system_libs(LLVM_SYSTEM_LIBS_LIST)
 263   foreach(l ${LLVM_SYSTEM_LIBS_LIST})
 264     set(LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS} -l${l}")
 265   endforeach()
 266   set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
 267   set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
 268 endif()
 269
 270 add_subdirectory(lib/Support)
 271 add_subdirectory(lib/System)
 272
 273 # Everything else depends on Support and System:
 274 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
 275
 276 set(LLVM_TABLEGEN "tblgen" CACHE
 277   STRING "Native TableGen executable. Saves building one when cross-compiling.")
 278 # Effective tblgen executable to be used:
 279 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
 280
 281 add_subdirectory(utils/TableGen)
 282
 283 if( CMAKE_CROSSCOMPILING )
 284   # This adds a dependency on target `tblgen', so must go after utils/TableGen
 285   include( CrossCompileLLVM )
 286 endif( CMAKE_CROSSCOMPILING )
 287
 288 add_subdirectory(include/llvm)
 289
 290 add_subdirectory(lib/VMCore)
 291 add_subdirectory(lib/CodeGen)
 292 add_subdirectory(lib/CodeGen/SelectionDAG)
 293 add_subdirectory(lib/CodeGen/AsmPrinter)
 294 add_subdirectory(lib/Bitcode/Reader)
 295 add_subdirectory(lib/Bitcode/Writer)
 296 add_subdirectory(lib/Transforms/Utils)
 297 add_subdirectory(lib/Transforms/Instrumentation)
 298 add_subdirectory(lib/Transforms/InstCombine)
 299 add_subdirectory(lib/Transforms/Scalar)
 300 add_subdirectory(lib/Transforms/IPO)
 301 add_subdirectory(lib/Transforms/Hello)
 302 add_subdirectory(lib/Linker)
 303 add_subdirectory(lib/Analysis)
 304 add_subdirectory(lib/Analysis/IPA)
 305 add_subdirectory(lib/MC)
 306 add_subdirectory(lib/MC/MCParser)
 307 add_subdirectory(lib/MC/MCDisassembler)
 308 add_subdirectory(test)
 309
 310 add_subdirectory(utils/FileCheck)
 311 add_subdirectory(utils/count)
 312 add_subdirectory(utils/not)
 313 add_subdirectory(utils/llvm-lit)
 314
 315 set(LLVM_ENUM_ASM_PRINTERS "")
 316 set(LLVM_ENUM_ASM_PARSERS "")
 317 set(LLVM_ENUM_DISASSEMBLERS "")
 318 foreach(t ${LLVM_TARGETS_TO_BUILD})
 319   message(STATUS "Targeting ${t}")
 320   add_subdirectory(lib/Target/${t})
 321   add_subdirectory(lib/Target/${t}/TargetInfo)
 322   if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
 323     add_subdirectory(lib/Target/${t}/AsmPrinter)
 324     set(LLVM_ENUM_ASM_PRINTERS
 325       "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
 326   endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
 327   if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
 328     add_subdirectory(lib/Target/${t}/AsmParser)
 329     set(LLVM_ENUM_ASM_PARSERS
 330       "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
 331   endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
 332   if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
 333     add_subdirectory(lib/Target/${t}/Disassembler)
 334     set(LLVM_ENUM_DISASSEMBLERS
 335       "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
 336   endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
 337   set(CURRENT_LLVM_TARGET)
 338 endforeach(t)
 339
 340 # Produce llvm/Config/AsmPrinters.def
 341 configure_file(
 342   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
 343   ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
 344   )
 345
 346 # Produce llvm/Config/AsmParsers.def
 347 configure_file(
 348   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
 349   ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
 350   )
 351
 352 # Produce llvm/Config/Disassemblers.def
 353 configure_file(
 354   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
 355   ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
 356   )
 357
 358 add_subdirectory(lib/ExecutionEngine)
 359 add_subdirectory(lib/ExecutionEngine/Interpreter)
 360 add_subdirectory(lib/ExecutionEngine/JIT)
 361 add_subdirectory(lib/Target)
 362 add_subdirectory(lib/AsmParser)
 363 add_subdirectory(lib/Archive)
 364
 365 add_subdirectory(projects)
 366
 367 option(LLVM_BUILD_TOOLS "Build LLVM tool programs." ON)
 368 add_subdirectory(tools)
 369
 370 option(LLVM_BUILD_EXAMPLES "Build LLVM example programs." OFF)
 371 add_subdirectory(examples)
 372
 373 add_subdirectory(cmake/modules)
 374
 375 install(DIRECTORY include/
 376   DESTINATION include
 377   FILES_MATCHING
 378   PATTERN "*.def"
 379   PATTERN "*.h"
 380   PATTERN "*.td"
 381   PATTERN "*.inc"
 382   PATTERN ".svn" EXCLUDE
 383   )
 384
 385 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
 386   DESTINATION include
 387   FILES_MATCHING
 388   PATTERN "*.def"
 389   PATTERN "*.h"
 390   PATTERN "*.gen"
 391   PATTERN "*.inc"
 392   # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
 393   PATTERN "CMakeFiles" EXCLUDE
 394   PATTERN ".svn" EXCLUDE
 395   )
 396
 397 # TODO: make and install documentation.