qtcreatorcdbext: Deploy lldb on Windows

Starting with LLVM 17.0.1 we include lldb in the list of packages
compiled on Windows.

This commit deploys lldb.exe and its Python required machinery.

Fixes: QTCREATORBUG-14539
Change-Id: I7f44c537cbaf31bf2f065762bdc9a48dd5efc64d
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: David Schulz <david.schulz@qt.io>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

scripts/build.py

@@ -245,7 +245,10 @@ def build_qtcreatorcdbext(args, paths):
         return
     if not os.path.exists(paths.qtcreatorcdbext_build):
         os.makedirs(paths.qtcreatorcdbext_build)
-    prefix_paths = [common.to_posix_path(os.path.abspath(fp)) for fp in args.prefix_paths]
+    prefix_paths = [os.path.abspath(fp) for fp in args.prefix_paths]
+    if paths.llvm:
+        prefix_paths += [paths.llvm]
+    prefix_paths = [common.to_posix_path(fp) for fp in prefix_paths]
     cmake_args = ['-DCMAKE_PREFIX_PATH=' + ';'.join(prefix_paths),
                   '-DCMAKE_INSTALL_PREFIX=' + common.to_posix_path(paths.qtcreatorcdbext_install)]
     cmake_args += common_cmake_arguments(args)

src/libs/qtcreatorcdbext/CMakeLists.txt

@@ -201,4 +201,24 @@ if (_library_enabled)
     COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${deployPythonFiles} "${output_binary_dir}/lib/qtcreatorcdbext${ArchSuffix}/"
     VERBATIM
   )
+
+  # Deploy lldb.exe and its Python dependency
+  find_package(Clang QUIET)
+  if (LLVM_TOOLS_BINARY_DIR AND LLVM_LIBRARY_DIRS)
+    foreach(lldb_file lldb.exe lldb-vscode.exe liblldb.dll python311.zip python311.dll)
+      if (EXISTS ${LLVM_TOOLS_BINARY_DIR}/${lldb_file})
+        install(FILES ${LLVM_TOOLS_BINARY_DIR}/${lldb_file}
+                DESTINATION bin/clang/bin
+                COMPONENT qtcreatorcdbext)
+      endif()
+    endforeach()
+
+    if (EXISTS ${LLVM_LIBRARY_DIRS}/site-packages)
+      install(DIRECTORY ${LLVM_LIBRARY_DIRS}/site-packages
+              DESTINATION bin/clang/lib
+              COMPONENT qtcreatorcdbext
+              PATTERN _lldb.cp311-win_amd64.pyd EXCLUDE)
+    endif()
+  endif()
+
 endif()