implement error recovery in the llvm-mc parser. Feel the power!
[oota-llvm.git] / CMakeLists.txt
index 1edea945c4b07f48f59ef6ad67afd70b3e6f2572..56f9355d8eb4ca65e9ddcc723c3cd204a770c6bd 100644 (file)
@@ -1,3 +1,5 @@
+# See docs/CMake.html for instructions about how to build LLVM with CMake.
+
 project(LLVM)
 cmake_minimum_required(VERSION 2.6.1)
 
@@ -15,6 +17,8 @@ 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})
@@ -22,6 +26,7 @@ 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
@@ -53,18 +58,46 @@ 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()
+
+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( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
   set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
 endif()
 
+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
+  )
+
 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
 
 # Add path for custom modules
@@ -74,6 +107,8 @@ set(CMAKE_MODULE_PATH
   "${LLVM_MAIN_SRC_DIR}/cmake/modules"
   )
 
+include(AddLLVMDefinitions)
+
 if(WIN32)
   if(CYGWIN)
     set(LLVM_ON_WIN32 0)
@@ -107,11 +142,13 @@ 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_definitions(-fPIC)
-  else( SUPPORTS_FPIC_FLAG )
+    add_llvm_definitions(-fPIC)
+    set(ENABLE_PIC 1)
+ else( SUPPORTS_FPIC_FLAG )
     message(STATUS "Warning: -fPIC not supported.")
   endif()
 endif()
@@ -122,18 +159,15 @@ 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 )
-
-set(LLVM_PLO_FLAGS "" CACHE
-  STRING "Flags for creating partially linked objects.")
+add_llvm_definitions( -D__STDC_LIMIT_MACROS )
+add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
 
 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_definitions( -m32 )
+    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} )
@@ -141,17 +175,31 @@ if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
 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 -wd4180 -wd4345 -wd4224 )
+  # List of valid CRTs for MSVC
+  set(MSVC_CRT
+    MD
+    MDd)
+
+  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 )
 
 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
 
 include(AddLLVM)
-include(AddPartiallyLinkedObject)
 include(TableGen)
 
 add_subdirectory(lib/Support)
@@ -162,6 +210,8 @@ set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
 
 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_subdirectory(utils/TableGen)
 
@@ -186,15 +236,25 @@ add_subdirectory(lib/Transforms/Hello)
 add_subdirectory(lib/Linker)
 add_subdirectory(lib/Analysis)
 add_subdirectory(lib/Analysis/IPA)
+add_subdirectory(lib/MC)
 
-foreach(t ${LLVM_TARGETS_TO_BUILD})
+ 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)
-  endif( 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)
@@ -206,7 +266,10 @@ 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 .