X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=CMakeLists.txt;h=56f9355d8eb4ca65e9ddcc723c3cd204a770c6bd;hb=b717fb0fe0d41629ae07800869157b6d178c545f;hp=31f754a953db0625fa8bf9e6536f6f016b507511;hpb=1d8e4cfdb71d7055561a130a5844c5d093aa5ee8;p=oota-llvm.git

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 31f754a953d..56f9355d8eb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,29 +1,103 @@
+# See docs/CMake.html for instructions about how to build LLVM with CMake.
+
+project(LLVM)
 cmake_minimum_required(VERSION 2.6.1)
 
 set(PACKAGE_NAME llvm)
-set(PACKAGE_VERSION svn)
-set(PACKAGE_BUGREPORT "ofv@wanadoo.es")
-#set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
+set(PACKAGE_VERSION 2.6svn)
+set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
+set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
+
+if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
+  message(FATAL_ERROR "In-source builds are not allowed.
+CMake would overwrite the makefiles distributed with LLVM.
+Please create a directory and run cmake from there, passing the path
+to this source directory as the last argument.
+This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
+Please delete them.")
+endif()
+
+string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
 
 include(FindPerl)
 
 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
-set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include/llvm)
+set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
+set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
+
+set(LLVM_ALL_TARGETS
+  Alpha
+  ARM
+  CBackend
+  CellSPU
+  CppBackend
+  IA64
+  Mips
+  MSIL
+  PIC16
+  PowerPC
+  Sparc
+  X86
+  XCore
+  )
+
+# List of targets whose asmprinters need to be forced to link
+# into executables on some platforms (i.e. Windows):
+set(LLVM_ASMPRINTERS_FORCE_LINK X86 PowerPC)
+
+if( MSVC )
+  set(LLVM_TARGETS_TO_BUILD X86
+    CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
+else( MSVC )
+  set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
+    CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
+endif( MSVC )
+
+option(LLVM_ENABLE_THREADS "Use threads if available." ON)
+
+if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
+  option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
+else()
+  option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
+endif()
 
-# TODO: Support user-specified targets:
-set(LLVM_TARGETS_TO_BUILD X86)
+if( LLVM_ENABLE_ASSERTIONS )
+  add_definitions( -D_DEBUG )
+  # On Release builds cmake automatically defines NDEBUG, so we
+  # explicitly undefine it:
+  if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
+    add_definitions( -UNDEBUG )
+  endif()
+else()
+  if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
+    add_definitions( -DNDEBUG )
+  endif()
+endif()
 
-if( NOT MSVC )
-  set(CMAKE_CXX_LINK_EXECUTABLE "sh -c \"${CMAKE_CXX_LINK_EXECUTABLE}\"")
-endif( NOT MSVC )
+if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
+  set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
+endif()
 
-# TODO: Eliminate?
-get_filename_component(llvm_include_path ${LLVM_MAIN_SRC_DIR}/include ABSOLUTE)
+set(LLVM_ENUM_TARGETS "")
+foreach(c ${LLVM_TARGETS_TO_BUILD})
+  list(FIND LLVM_ALL_TARGETS ${c} idx)
+  if( idx LESS 0 )
+    message(FATAL_ERROR "The target `${c}' does not exists.
+    It should be one of\n${LLVM_ALL_TARGETS}")
+  else()
+    set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
+  endif()
+endforeach(c)
+
+# Produce llvm/Config/Targets.def
+configure_file(
+  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
+  ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
+  )
 
-#get_filename_component(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm ABSOLUTE)
 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
 
 # Add path for custom modules
@@ -33,9 +107,16 @@ set(CMAKE_MODULE_PATH
   "${LLVM_MAIN_SRC_DIR}/cmake/modules"
   )
 
+include(AddLLVMDefinitions)
+
 if(WIN32)
-  set(LLVM_ON_WIN32 1)
-  set(LLVM_ON_UNIX 0)
+  if(CYGWIN)
+    set(LLVM_ON_WIN32 0)
+    set(LLVM_ON_UNIX 1)
+  else(CYGWIN)
+    set(LLVM_ON_WIN32 1)
+    set(LLVM_ON_UNIX 0)
+  endif(CYGWIN)
   set(LTDL_SHLIB_EXT ".dll")
   set(EXEEXT ".exe")
   # Maximum path length is 160 for non-unicode paths
@@ -56,16 +137,21 @@ endif(WIN32)
 if( EXISTS ${LLVM_TOOLS_BINARY_DIR}/llvm-config )
   set(HAVE_LLVM_CONFIG 1)
 endif( EXISTS ${LLVM_TOOLS_BINARY_DIR}/llvm-config )
-# find_file(HAVE_LLVM_CONFIG llvm-config ${LLVM_TOOLS_BINARY_DIR})
-# message(STATUS ${HAVE_LLVM_CONFIG})
 
-if( MSVC )
-  message(STATUS "Configuring using MSVC hack.")
-  include(config-w32)
-else( MSVC )
-  message(STATUS "Configuring traditional style.")
-  include(config-ix)
-endif( MSVC )
+include(config-ix)
+
+option(LLVM_ENABLE_PIC "Build Position-Independent Code" OFF)
+
+set(ENABLE_PIC 0)
+if( LLVM_ENABLE_PIC )
+  if( SUPPORTS_FPIC_FLAG )
+    message(STATUS "Building with -fPIC")
+    add_llvm_definitions(-fPIC)
+    set(ENABLE_PIC 1)
+ else( SUPPORTS_FPIC_FLAG )
+    message(STATUS "Warning: -fPIC not supported.")
+  endif()
+endif()
 
 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
@@ -73,27 +159,48 @@ set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
 
 # set(CMAKE_VERBOSE_MAKEFILE true)
 
-add_definitions( -D__STDC_LIMIT_MACROS )
+add_llvm_definitions( -D__STDC_LIMIT_MACROS )
+add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
 
-if( LLVM_ON_UNIX )
-  add_definitions( -DLLVM_ON_UNIX )
-else( LLVM_ON_UNIX )
-  add_definitions( -DLLVM_ON_WIN32 )
-endif( LLVM_ON_UNIX )
+if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
+  # TODO: support other platforms and toolchains.
+  option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
+  if( LLVM_BUILD_32_BITS )
+    message(STATUS "Building 32 bits executables and libraries.")
+    add_llvm_definitions( -m32 )
+    list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
+    list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
+    set( LLVM_PLO_FLAGS -melf_i386 ${LLVM_PLO_FLAGS} )
+  endif( LLVM_BUILD_32_BITS )
+endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
 
 if( MSVC )
-  add_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
-  add_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
-  add_definitions( -D_SCL_SECURE_NO_DEPRECATE )
-endif( MSVC )
+  # List of valid CRTs for MSVC
+  set(MSVC_CRT
+    MD
+    MDd)
 
-include_directories( ${LLVM_BINARY_DIR}/include ${llvm_include_path})
-#link_directories( d:/dev/lib )
+  set(LLVM_USE_CRT "" CACHE STRING "Specify VC++ CRT to use for debug/release configurations.")
+  add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
+  add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
+  add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
+  add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
+  add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 )
 
-#add_subdirectory(lib)
+  if (NOT ${LLVM_USE_CRT} STREQUAL "")
+    list(FIND MSVC_CRT ${LLVM_USE_CRT} idx)
+    if (idx LESS 0)
+      message(FATAL_ERROR "Invalid value for LLVM_USE_CRT: ${LLVM_USE_CRT}. Valid options are one of: ${MSVC_CRT}")
+    endif (idx LESS 0)
+    add_llvm_definitions("/${LLVM_USE_CRT}")
+    message(STATUS "Using VC++ CRT: ${LLVM_USE_CRT}")
+  endif (NOT ${LLVM_USE_CRT} STREQUAL "")
+endif( MSVC )
+
+include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
 
 include(AddLLVM)
-include(AddPartiallyLinkedObject)
+include(TableGen)
 
 add_subdirectory(lib/Support)
 add_subdirectory(lib/System)
@@ -101,17 +208,19 @@ add_subdirectory(lib/System)
 # Everything else depends on Support and System:
 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
 
-add_subdirectory(utils/TableGen)
+set(LLVM_TABLEGEN "tblgen" CACHE
+  STRING "Native TableGen executable. Saves building one when cross-compiling.")
+# Effective tblgen executable to be used:
+set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
 
-add_custom_command(OUTPUT ${llvm_builded_incs_dir}/Intrinsics.gen
-  COMMAND tblgen -gen-intrinsic -I ${llvm_include_path} ${llvm_include_path}/llvm/Intrinsics.td -o ${llvm_builded_incs_dir}/Intrinsics.gen
-  DEPENDS tblgen
-  COMMENT "Building intrinsics.gen...")
+add_subdirectory(utils/TableGen)
 
-add_custom_target(intrinsics_gen ALL
-  DEPENDS ${llvm_builded_incs_dir}/Intrinsics.gen)
+if( CMAKE_CROSSCOMPILING )
+  # This adds a dependency on target `tblgen', so must go after utils/TableGen
+  include( CrossCompileLLVM )
+endif( CMAKE_CROSSCOMPILING )
 
-set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} intrinsics_gen )
+add_subdirectory(include/llvm)
 
 add_subdirectory(lib/VMCore)
 add_subdirectory(lib/CodeGen)
@@ -127,17 +236,50 @@ add_subdirectory(lib/Transforms/Hello)
 add_subdirectory(lib/Linker)
 add_subdirectory(lib/Analysis)
 add_subdirectory(lib/Analysis/IPA)
-add_subdirectory(lib/Target/X86)
-add_subdirectory(lib/Target/X86/AsmPrinter)
+add_subdirectory(lib/MC)
+
+ set(LLVM_ENUM_ASM_PRINTERS "")
+ foreach(t ${LLVM_TARGETS_TO_BUILD})
+  message(STATUS "Targeting ${t}")
+  add_subdirectory(lib/Target/${t})
+  if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
+   add_subdirectory(lib/Target/${t}/AsmPrinter)
+    set(LLVM_ENUM_ASM_PRINTERS 
+        "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
+ endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
+endforeach(t)
+
+# Produce llvm/Config/AsmPrinters.def
+configure_file(
+  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
+  ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
+  )
+
 add_subdirectory(lib/ExecutionEngine)
 add_subdirectory(lib/ExecutionEngine/Interpreter)
 add_subdirectory(lib/ExecutionEngine/JIT)
 add_subdirectory(lib/Target)
 add_subdirectory(lib/AsmParser)
 add_subdirectory(lib/Debugger)
-# TODO: lib/Target/CBackEnd
 add_subdirectory(lib/Archive)
 
+add_subdirectory(projects)
 add_subdirectory(tools)
 
-add_subdirectory(examples)
+option(LLVM_EXAMPLES "Build LLVM example programs." OFF)
+if (LLVM_EXAMPLES)
+  add_subdirectory(examples)
+endif ()
+
+install(DIRECTORY include
+  DESTINATION .
+  PATTERN ".svn" EXCLUDE
+  PATTERN "*.cmake" EXCLUDE
+  PATTERN "*.in" EXCLUDE
+  )
+
+install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include
+  DESTINATION .
+  )
+
+# TODO: make and install documentation.