X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=CMakeLists.txt;h=2e2cf358e413e80fbec949222f5bac24f18e008d;hb=956244b3373766b31ff1ac7e5c95d9182d0683d0;hp=91ecf0128756cdd9de4ea255d2474dcd5ed1073e;hpb=63f97201dc9dcebbe84d1b73113166c64212b4b8;p=oota-llvm.git

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 91ecf012875..2e2cf358e41 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,37 +1,114 @@
+# 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")
+    CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
 else( MSVC )
-  set(LLVM_TARGETS_TO_BUILD
-    Alpha ARM CBackend CellSPU CppBackend IA64 Mips MSIL PIC16 PowerPC Sparc X86
-    CACHE STRING "Semicolon-separated list of targets to build")
+  set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
+    CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
 endif( MSVC )
 
-if( NOT MSVC )
-  set(CMAKE_CXX_LINK_EXECUTABLE "sh -c \"${CMAKE_CXX_LINK_EXECUTABLE}\"")
-endif( NOT 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()
+
+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()
 
-# TODO: Eliminate?
-get_filename_component(llvm_include_path ${LLVM_MAIN_SRC_DIR}/include ABSOLUTE)
+if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
+  set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
+endif()
+
+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}")
+  endif()
+endforeach(c)
 
-#get_filename_component(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm ABSOLUTE)
 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
 
+# The USE_EXPLICIT_DEPENDENCIES variable will be TRUE to indicate that
+# we should use the library dependencies explicitly specified in the
+# CMakeLists.txt files rather than those determined by
+# llvm-config. This value must be true for non-make and IDE
+# generators.
+if (MSVC_IDE)
+  set(DEFAULT_USE_EXPLICIT_DEPENDENCIES ON)
+elseif (XCODE)
+  set(DEFAULT_USE_EXPLICIT_DEPENDENCIES ON)
+else ()
+ set(DEFAULT_USE_EXPLICIT_DEPENDENCIES OFF)
+endif ()
+
+option(USE_EXPLICIT_DEPENDENCIES 
+  "Use explicit dependencies instead of llvm-config" 
+  ${DEFAULT_USE_EXPLICIT_DEPENDENCIES})
+mark_as_advanced(USE_EXPLICIT_DEPENDENCIES)
+
 # Add path for custom modules
 set(CMAKE_MODULE_PATH
   ${CMAKE_MODULE_PATH}
@@ -39,9 +116,16 @@ set(CMAKE_MODULE_PATH
   "${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
@@ -62,16 +146,21 @@ 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 )
@@ -79,27 +168,48 @@ set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
 
 # set(CMAKE_VERBOSE_MAKEFILE true)
 
-add_definitions( -D__STDC_LIMIT_MACROS )
-add_definitions( -D__STDC_CONSTANT_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 )
+set(LLVM_PLO_FLAGS "" CACHE
+  STRING "Flags for creating partially linked objects.")
+
+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 )
-  add_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
-  add_definitions( -wd4355 -wd4715 )
-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 )
+
+  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 )
 
-#add_subdirectory(lib)
+include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
 
 include(AddLLVM)
 include(AddPartiallyLinkedObject)
@@ -111,17 +221,19 @@ 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)
@@ -141,9 +253,9 @@ add_subdirectory(lib/Analysis/IPA)
 foreach(t ${LLVM_TARGETS_TO_BUILD})
   message(STATUS "Targeting ${t}")
   add_subdirectory(lib/Target/${t})
-  if( EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
+  if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
     add_subdirectory(lib/Target/${t}/AsmPrinter)
-  endif( EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
+  endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
 endforeach(t)
 
 add_subdirectory(lib/ExecutionEngine)
@@ -154,6 +266,20 @@ add_subdirectory(lib/AsmParser)
 add_subdirectory(lib/Debugger)
 add_subdirectory(lib/Archive)
 
+add_subdirectory(projects)
 add_subdirectory(tools)
 
 add_subdirectory(examples)
+
+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.