X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=CMakeLists.txt;h=776f3f6a2e0e71e0704177c6874b18c199f50d2d;hp=cdaf3bbd166543ff0988c01677b4d2c0915a3529;hb=6f1b9541baf5e66055a0a526201c363bc2b5ff1f;hpb=d9aaca0eccdc301935afb0c627f1c479d32b7b18

diff --git a/CMakeLists.txt b/CMakeLists.txt
index cdaf3bbd166..776f3f6a2e0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,23 +1,48 @@
 # See docs/CMake.html for instructions about how to build LLVM with CMake.
 
-cmake_minimum_required(VERSION 2.8.8)
+cmake_minimum_required(VERSION 2.8.12.2)
 
-# FIXME: It may be removed when we use 2.8.12.
-if(CMAKE_VERSION VERSION_LESS 2.8.12)
-  # Invalidate a couple of keywords.
-  set(cmake_2_8_12_INTERFACE)
-  set(cmake_2_8_12_PRIVATE)
+if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  message(STATUS "No build type selected, default to Debug")
+  set(CMAKE_BUILD_TYPE "Debug")
+endif()
+
+if(POLICY CMP0022)
+  cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required
+endif()
+
+if (POLICY CMP0051)
+  # CMake 3.1 and higher include generator expressions of the form
+  # $<TARGETLIB:obj> in the SOURCES property.  These need to be
+  # stripped everywhere that access the SOURCES property, so we just
+  # defer to the OLD behavior of not including generator expressions
+  # in the output for now.
+  cmake_policy(SET CMP0051 OLD)
+endif()
+
+if(CMAKE_VERSION VERSION_LESS 3.1.20141117)
+  set(cmake_3_2_USES_TERMINAL)
 else()
-  # Use ${cmake_2_8_12_KEYWORD} intead of KEYWORD in target_link_libraries().
-  set(cmake_2_8_12_INTERFACE INTERFACE)
-  set(cmake_2_8_12_PRIVATE PRIVATE)
-  if(POLICY CMP0022)
-    cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required
-  endif()
+  set(cmake_3_2_USES_TERMINAL USES_TERMINAL)
 endif()
 
 project(LLVM)
 
+# The following only works with the Ninja generator in CMake >= 3.0.
+set(LLVM_PARALLEL_COMPILE_JOBS "" CACHE STRING
+  "Define the maximum number of concurrent compilation jobs.")
+if(LLVM_PARALLEL_COMPILE_JOBS)
+  set_property(GLOBAL APPEND PROPERTY JOB_POOLS compile_job_pool=${LLVM_PARALLEL_COMPILE_JOBS})
+  set(CMAKE_JOB_POOL_COMPILE compile_job_pool)
+endif()
+
+set(LLVM_PARALLEL_LINK_JOBS "" CACHE STRING
+  "Define the maximum number of concurrent link jobs.")
+if(LLVM_PARALLEL_LINK_JOBS)
+  set_property(GLOBAL APPEND PROPERTY JOB_POOLS link_job_pool=${LLVM_PARALLEL_LINK_JOBS})
+  set(CMAKE_JOB_POOL_LINK link_job_pool)
+endif()
+
 # Add path for custom modules
 set(CMAKE_MODULE_PATH
   ${CMAKE_MODULE_PATH}
@@ -26,13 +51,17 @@ set(CMAKE_MODULE_PATH
   )
 
 set(LLVM_VERSION_MAJOR 3)
-set(LLVM_VERSION_MINOR 6)
+set(LLVM_VERSION_MINOR 7)
 set(LLVM_VERSION_PATCH 0)
+set(LLVM_VERSION_SUFFIX svn)
 
 if (NOT PACKAGE_VERSION)
-  set(PACKAGE_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}svn")
+  set(PACKAGE_VERSION
+    "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}")
 endif()
 
+option(LLVM_INSTALL_UTILS "Include utility binaries in the 'install' target." OFF)
+
 option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)
 
 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
@@ -64,6 +93,7 @@ set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
 set(CPACK_PACKAGE_VERSION_PATCH ${LLVM_VERSION_PATCH})
 set(CPACK_PACKAGE_VERSION ${PACKAGE_VERSION})
 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT")
+set(CPACK_NSIS_COMPRESSOR "/SOLID lzma \r\n SetCompressorDictSize 32")
 if(WIN32 AND NOT UNIX)
   set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "LLVM")
   set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp")
@@ -75,6 +105,9 @@ if(WIN32 AND NOT UNIX)
     "ExecWait '$INSTDIR/tools/msbuild/install.bat'")
   set(CPACK_NSIS_EXTRA_UNINSTALL_COMMANDS
     "ExecWait '$INSTDIR/tools/msbuild/uninstall.bat'")
+  if( CMAKE_CL_64 )
+    set(CPACK_NSIS_INSTALL_ROOT "$PROGRAMFILES64")
+  endif()
 endif()
 include(CPack)
 
@@ -111,9 +144,11 @@ endif()
 
 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
 
+set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
+
 # They are used as destination of target generators.
 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
-set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib)
+set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
 if(WIN32 OR CYGWIN)
   # DLL platform -- put DLLs into bin.
   set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
@@ -130,7 +165,6 @@ set(LLVM_BINARY_DIR       ${CMAKE_CURRENT_BINARY_DIR}  ) # --prefix
 
 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
 set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
-set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
 
 set(LLVM_ALL_TARGETS
   AArch64
@@ -200,16 +234,11 @@ list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
 include(AddLLVMDefinitions)
 
 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
-
-# MSVC has a gazillion warnings with this.
-if( MSVC )
-  option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
-else()
-  option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
-endif()
-
+option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
+option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF)
 option(LLVM_ENABLE_CXX1Y "Compile with C++1y enabled." OFF)
 option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
+option(LLVM_ENABLE_LIBCXXABI "Use libc++abi when using libc++." OFF)
 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
 
@@ -219,6 +248,9 @@ else()
   option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
 endif()
 
+set(LLVM_ABI_BREAKING_CHECKS "WITH_ASSERTS" CACHE STRING
+  "Enable abi-breaking checks.  Can be WITH_ASSERTS, FORCE_ON or FORCE_OFF.")
+
 option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
        "Set to ON to force using an old, unsupported host toolchain." OFF)
 
@@ -301,6 +333,18 @@ option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
 option (LLVM_BUILD_EXTERNAL_COMPILER_RT
   "Build compiler-rt as an external project." OFF)
 
+option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" OFF)
+option(LLVM_DYLIB_EXPORT_ALL "Export all symbols from libLLVM.dylib (default is C API only" OFF)
+option(LLVM_DISABLE_LLVM_DYLIB_ATEXIT "Disable llvm-shlib's atexit destructors." ON)
+if(LLVM_DISABLE_LLVM_DYLIB_ATEXIT)
+  set(DISABLE_LLVM_DYLIB_ATEXIT 1)
+endif()
+
+option(LLVM_OPTIMIZED_TABLEGEN "Force TableGen to be built with optimization" OFF)
+if(CMAKE_CROSSCOMPILING OR (LLVM_OPTIMIZED_TABLEGEN AND LLVM_ENABLE_ASSERTIONS))
+  set(LLVM_USE_HOST_TOOLS ON)
+endif()
+
 # All options referred to from HandleLLVMOptions have to be specified
 # BEFORE this include, otherwise options will not be correctly set on
 # first cmake run
@@ -315,7 +359,9 @@ set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
 include(HandleLLVMOptions)
 
 # Verify that we can find a Python 2 interpreter.  Python 3 is unsupported.
-set(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5)
+# FIXME: We should support systems with only Python 3, but that requires work
+# on LLDB.
+set(Python_ADDITIONAL_VERSIONS 2.7)
 include(FindPythonInterp)
 if( NOT PYTHONINTERP_FOUND )
   message(FATAL_ERROR
@@ -324,6 +370,10 @@ if( NOT PYTHONINTERP_FOUND )
 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
 endif()
 
+if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
+  message(FATAL_ERROR "Python 2.7 or newer is required")
+endif()
+
 ######
 # LLVMBuild Integration
 #
@@ -449,8 +499,8 @@ configure_file(
 
 # They are not referenced. See set_output_directory().
 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin )
-set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
-set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
+set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
+set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
 
 set(CMAKE_BUILD_WITH_INSTALL_RPATH ON)
 if (APPLE)
@@ -458,7 +508,7 @@ if (APPLE)
   set(CMAKE_INSTALL_RPATH "@executable_path/../lib")
 else(UNIX)
   if(NOT DEFINED CMAKE_INSTALL_RPATH)
-    set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib")
+    set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}")
     if (${CMAKE_SYSTEM_NAME} MATCHES FreeBSD)
       set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-z,origin")
       set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-z,origin")
@@ -466,10 +516,25 @@ else(UNIX)
   endif(NOT DEFINED CMAKE_INSTALL_RPATH)
 endif()
 
+# Work around a broken bfd ld behavior. When linking a binary with a
+# foo.so library, it will try to find any library that foo.so uses and
+# check its symbols. This is wasteful (the check was done when foo.so
+# was created) and can fail since it is not the dynamic linker and
+# doesn't know how to handle search paths correctly.
+if (UNIX AND NOT APPLE)
+  set(CMAKE_EXE_LINKER_FLAGS
+      "${CMAKE_EXE_LINKER_FLAGS} -Wl,-allow-shlib-undefined")
+endif()
+
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
 include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
 
+# when crosscompiling import the executable targets from a file
+if(LLVM_USE_HOST_TOOLS)
+  include(CrossCompile)
+endif(LLVM_USE_HOST_TOOLS)
+
 if( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
   # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
   # with libxml2, iconv.h, etc., we must add /usr/local paths.
@@ -482,7 +547,7 @@ if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
 
 # Make sure we don't get -rdynamic in every binary. For those that need it,
-# use set_target_properties(target PROPERTIES ENABLE_EXPORTS 1)
+# use export_executable_symbols(target).
 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
 
 include(AddLLVM)
@@ -522,6 +587,12 @@ if(LLVM_INCLUDE_TESTS)
   add_subdirectory(utils/unittest)
 endif()
 
+foreach( binding ${LLVM_BINDINGS_LIST} )
+  if( EXISTS "${LLVM_MAIN_SRC_DIR}/bindings/${binding}/CMakeLists.txt" )
+    add_subdirectory(bindings/${binding})
+  endif()
+endforeach()
+
 add_subdirectory(projects)
 
 if(WITH_POLLY)
@@ -571,6 +642,7 @@ add_subdirectory(cmake/modules)
 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
   install(DIRECTORY include/llvm include/llvm-c
     DESTINATION include
+    COMPONENT llvm-headers
     FILES_MATCHING
     PATTERN "*.def"
     PATTERN "*.h"
@@ -582,6 +654,7 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
 
   install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm
     DESTINATION include
+    COMPONENT llvm-headers
     FILES_MATCHING
     PATTERN "*.def"
     PATTERN "*.h"
@@ -592,4 +665,12 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
     PATTERN "config.h" EXCLUDE
     PATTERN ".svn" EXCLUDE
     )
+
+  if (NOT CMAKE_CONFIGURATION_TYPES)
+    add_custom_target(installhdrs
+                      DEPENDS ${name}
+                      COMMAND "${CMAKE_COMMAND}"
+                              -DCMAKE_INSTALL_COMPONENT=llvm-headers
+                              -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
+  endif()
 endif()