Fast forward apple/stable/20190619 to Sep 4.

libcxx/utils/libcxx/util.py

@@ -253,24 +253,27 @@ def killProcessAndChildren(pid):
     TODO: Reimplement this without using psutil so we can
           remove our dependency on it.
     """
-    import psutil
-    try:
-        psutilProc = psutil.Process(pid)
-        # Handle the different psutil API versions
+    if platform.system() == 'AIX':
+        subprocess.call('kill -kill $(ps -o pid= -L{})'.format(pid), shell=True)
+    else:
+        import psutil
         try:
-            # psutil >= 2.x
-            children_iterator = psutilProc.children(recursive=True)
-        except AttributeError:
-            # psutil 1.x
-            children_iterator = psutilProc.get_children(recursive=True)
-        for child in children_iterator:
+            psutilProc = psutil.Process(pid)
+            # Handle the different psutil API versions
             try:
-                child.kill()
-            except psutil.NoSuchProcess:
-                pass
-        psutilProc.kill()
-    except psutil.NoSuchProcess:
-        pass
+                # psutil >= 2.x
+                children_iterator = psutilProc.children(recursive=True)
+            except AttributeError:
+                # psutil 1.x
+                children_iterator = psutilProc.get_children(recursive=True)
+            for child in children_iterator:
+                try:
+                    child.kill()
+                except psutil.NoSuchProcess:
+                    pass
+            psutilProc.kill()
+        except psutil.NoSuchProcess:
+            pass
 
 
 def executeCommandVerbose(cmd, *args, **kwargs):

lldb/CMakeLists.txt

@@ -11,7 +11,13 @@ set(CMAKE_MODULE_PATH
   "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
   )
 
-include(LLDBStandalone)
+# If we are not building as part of LLVM, build LLDB as a standalone project,
+# using LLVM as an external library.
+if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+  project(lldb)
+  include(LLDBStandalone)
+endif()
+
 include(LLDBConfig)
 include(AddLLDB)
 
@@ -34,15 +40,38 @@ if (NOT LLDB_DISABLE_PYTHON)
   add_subdirectory(scripts)
 endif ()
 
+# We need the headers generated by instrinsics_gen before we can compile
+# any source file in LLDB as the imported Clang modules might include
+# some of these generated headers. This approach is copied from Clang's main
+# CMakeLists.txt, so it should kept in sync the code in Clang which was added
+# in llvm-svn 308844.
+if(LLVM_ENABLE_MODULES AND NOT LLDB_BUILT_STANDALONE)
+  list(APPEND LLVM_COMMON_DEPENDS intrinsics_gen)
+endif()
+
+if(CMAKE_CROSSCOMPILING AND LLDB_BUILT_STANDALONE)
+  set(LLVM_USE_HOST_TOOLS ON)
+  include(CrossCompile)
+  if (NOT NATIVE_LLVM_DIR OR NOT NATIVE_Clang_DIR)
+    message(FATAL_ERROR
+      "Crosscompiling standalone requires the variables NATIVE_{CLANG,LLVM}_DIR
+      for building the native lldb-tblgen used during the build process.")
+  endif()
+  llvm_create_cross_target(lldb NATIVE "" Release
+    -DLLVM_DIR=${NATIVE_LLVM_DIR}
+    -DClang_DIR=${NATIVE_Clang_DIR})
+endif()
+
+# TableGen
 add_subdirectory(utils/TableGen)
+
 add_subdirectory(source)
 add_subdirectory(tools)
 add_subdirectory(docs)
 
 option(LLDB_INCLUDE_TESTS "Generate build targets for the LLDB unit tests." ${LLVM_INCLUDE_TESTS})
-option(LLDB_TEST_USE_CUSTOM_C_COMPILER "Use the C compiler provided via LLDB_TEST_C_COMPILER for building test inferiors (instead of the just-built compiler). Defaults to OFF." OFF)
-option(LLDB_TEST_USE_CUSTOM_CXX_COMPILER "Use the C++ compiler provided via LLDB_TEST_CXX_COMPILER for building test inferiors (instead of the just-built compiler). Defaults to OFF." OFF)
 if(LLDB_INCLUDE_TESTS)
+  set(LLDB_TEST_BUILD_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lldb-test-build.noindex" CACHE PATH "The build root for building tests.")
 
   # Set the path to the default lldb test executable.
   set(LLDB_DEFAULT_TEST_EXECUTABLE "${LLVM_RUNTIME_OUTPUT_INTDIR}/lldb${CMAKE_EXECUTABLE_SUFFIX}")
@@ -51,15 +80,11 @@ if(LLDB_INCLUDE_TESTS)
   set(LLDB_DEFAULT_TEST_DSYMUTIL "${LLVM_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin/dsymutil${CMAKE_EXECUTABLE_SUFFIX}")
   set(LLDB_DEFAULT_TEST_FILECHECK "${LLVM_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin/FileCheck${CMAKE_EXECUTABLE_SUFFIX}")
 
-  if (NOT LLDB_TEST_USE_CUSTOM_C_COMPILER AND TARGET clang)
+  if (TARGET clang)
     set(LLDB_DEFAULT_TEST_C_COMPILER "${LLVM_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin/clang${CMAKE_EXECUTABLE_SUFFIX}")
-  else()
-    set(LLDB_DEFAULT_TEST_C_COMPILER "")
-  endif()
-
-  if (NOT LLDB_TEST_USE_CUSTOM_CXX_COMPILER AND TARGET clang)
     set(LLDB_DEFAULT_TEST_CXX_COMPILER "${LLVM_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin/clang++${CMAKE_EXECUTABLE_SUFFIX}")
   else()
+    set(LLDB_DEFAULT_TEST_C_COMPILER "")
     set(LLDB_DEFAULT_TEST_CXX_COMPILER "")
   endif()
 
@@ -71,7 +96,7 @@ if(LLDB_INCLUDE_TESTS)
 
   if (("${LLDB_TEST_C_COMPILER}" STREQUAL "") OR
       ("${LLDB_TEST_CXX_COMPILER}" STREQUAL ""))
-    message(FATAL_ERROR "LLDB test compilers not specified.  Tests will not run")
+    message(FATAL_ERROR "LLDB test compilers not specified. Tests will not run.")
   endif()
 
   set(LLDB_TEST_DEPS lldb)
@@ -88,14 +113,6 @@ if(LLDB_INCLUDE_TESTS)
     list(APPEND LLDB_TEST_DEPS lldb-server)
   endif()
 
-  if(TARGET debugserver)
-    list(APPEND LLDB_TEST_DEPS debugserver)
-  endif()
-
-  if(TARGET lldb-mi)
-    list(APPEND LLDB_TEST_DEPS lldb-mi)
-  endif()
-
   if(TARGET lldb-vscode)
     list(APPEND LLDB_TEST_DEPS lldb-vscode)
   endif()
@@ -196,19 +213,12 @@ if (NOT LLDB_DISABLE_PYTHON)
         DEPENDS ${lldb_scripts_dir}/lldb.py
         COMMENT "Python script sym-linking LLDB Python API")
 
-    if (TARGET readline)
-      set(readline_dep readline)
-    endif()
-    add_dependencies(finish_swig swig_wrapper liblldb lldb-argdumper ${readline_dep})
+    add_dependencies(finish_swig swig_wrapper liblldb lldb-argdumper)
     set_target_properties(finish_swig swig_wrapper PROPERTIES FOLDER "lldb misc")
 
     # Ensure we do the python post-build step when building lldb.
     add_dependencies(lldb finish_swig)
 
-    if(LLDB_BUILD_FRAMEWORK)
-      add_dependencies(lldb-framework finish_swig)
-    endif()
-
     # Add a Post-Build Event to copy the custom Python DLL to the lldb binaries dir so that Windows can find it when launching
     # lldb.exe or any other executables that were linked with liblldb.
     if (WIN32 AND NOT "${PYTHON_DLL}" STREQUAL "")
@@ -222,3 +232,7 @@ if (NOT LLDB_DISABLE_PYTHON)
             COMMENT "Copying Python DLL to LLDB binaries directory.")
     endif ()
 endif ()
+
+if(LLDB_BUILT_STANDALONE AND NOT LLVM_ENABLE_IDE)
+  llvm_distribution_add_targets()
+endif()

lldb/CODE_OWNERS.txt

@@ -21,10 +21,6 @@ D: Watchpoints, Trampolines, Target, Command Interpreter, C++ / Objective-C Lang
 D: Expression evaluator, IR interpreter, Clang integration
 D: Data Formatters
 
-N: Ilia K
-E: ki.stfu@gmail.com
-D: lldb-mi
-
 N: Ed Maste
 E: emaste@freebsd.org
 D: FreeBSD
@@ -34,10 +30,6 @@ E: jmolenda@apple.com
 D: ABI, Disassembler, Unwinding, iOS, debugserver, Platform, ObjectFile, SymbolFile, 
 D: SymbolVendor, DWARF, gdb-remote
 
-N: Hafiz Abid Qadeer
-E: abidh.haq@gmail.com
-D: lldb-mi
-
 N: Kamil Rytarowski
 E: kamil@netbsd.org
 D: NetBSD

lldb/cmake/caches/Apple-lldb-Linux.cmake

@@ -0,0 +1,8 @@
+include(${CMAKE_CURRENT_LIST_DIR}/Apple-lldb-base.cmake)
+
+set(LLVM_DISTRIBUTION_COMPONENTS
+  lldb
+  liblldb
+  lldb-argdumper
+  lldb-server
+  CACHE STRING "")

lldb/cmake/caches/Apple-lldb-Xcode.cmake

@@ -0,0 +1,14 @@
+include(${CMAKE_CURRENT_LIST_DIR}/Apple-lldb-base.cmake)
+
+set(CMAKE_GENERATOR Xcode CACHE STRING "")
+set(CMAKE_OSX_DEPLOYMENT_TARGET 10.12 CACHE STRING "")
+set(CMAKE_XCODE_GENERATE_SCHEME ON CACHE BOOL "")
+
+set(LLDB_BUILD_FRAMEWORK ON CACHE BOOL "")
+
+# Apparently, module-enabled builds clash with Xcode's analysis.
+set(LLVM_ENABLE_MODULES OFF CACHE BOOL "" FORCE)
+
+# Print a warning with instructions, if we
+# build with Xcode and didn't use this cache.
+set(LLDB_EXPLICIT_XCODE_CACHE_USED ON CACHE INTERNAL "")

lldb/cmake/caches/Apple-lldb-base.cmake

@@ -2,12 +2,8 @@ set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON CACHE BOOL "")
 
 set(LLVM_TARGETS_TO_BUILD X86;ARM;AArch64 CACHE STRING "")
-set(LLVM_INSTALL_TOOLCHAIN_ONLY ON CACHE BOOL "")
 set(LLVM_ENABLE_ASSERTIONS ON CACHE BOOL "")
 set(LLVM_ENABLE_MODULES ON CACHE BOOL "")
 
-# Release builds set these explicitly:
-#set(LLDB_VERSION_MAJOR 9999 CACHE STRING "")
-#set(LLDB_VERSION_MINOR 9 CACHE STRING "")
-#set(LLDB_VERSION_PATCH 9 CACHE STRING "")
-#set(LLDB_VERSION_SUFFIX git CACHE STRING "")
+set(LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
+set(LIBCXX_ENABLE_STATIC OFF CACHE BOOL "")

lldb/cmake/caches/Apple-lldb-macOS.cmake

@@ -2,18 +2,25 @@ include(${CMAKE_CURRENT_LIST_DIR}/Apple-lldb-base.cmake)
 
 set(LLDB_BUILD_FRAMEWORK ON CACHE BOOL "")
 set(LLDB_NO_INSTALL_DEFAULT_RPATH ON CACHE BOOL "")
+set(CMAKE_OSX_DEPLOYMENT_TARGET 10.11 CACHE STRING "")
 
-# Set the install prefix to the default install location on the enduser machine.
-# If the location is not writeable on the build machine, specify another prefix
-# in the DESTDIR environment variable, e.g.: DESTDIR=/tmp ninja install
+# Default install location on the enduser machine. On the build machine, use the
+# DESTDIR environment variable in order to relocate the whole installation, e.g.:
+# `DESTDIR=/tmp ninja install-distribution`
 set(CMAKE_INSTALL_PREFIX /Applications/Xcode.app/Contents/Developer/usr CACHE STRING "")
 
-# Choose the install location for LLDB.framework so that it matches the
-# INSTALL_RPATH of the lldb driver. It's either absolute or relative to
-# CMAKE_INSTALL_PREFIX. In any case, DESTDIR will be an extra prefix.
+# Install location for LLDB.framework on the enduser machine.
+# DESTDIR will be an extra prefix.
 set(LLDB_FRAMEWORK_INSTALL_DIR /Applications/Xcode.app/Contents/SharedFrameworks CACHE STRING "")
 
-# Release builds may change these:
-set(CMAKE_OSX_DEPLOYMENT_TARGET 10.11 CACHE STRING "")
-set(LLDB_USE_SYSTEM_DEBUGSERVER ON CACHE BOOL "")
-set(LLVM_EXTERNALIZE_DEBUGINFO OFF CACHE BOOL "")
+# Install location for externalized debug-info on the build machine.
+# DESTDIR will be an extra prefix.
+set(LLDB_DEBUGINFO_INSTALL_PREFIX /debuginfo CACHE STRING "")
+
+set(LLVM_DISTRIBUTION_COMPONENTS
+  lldb
+  liblldb
+  lldb-argdumper
+  darwin-debug
+  debugserver
+  CACHE STRING "")