Index: llvm-toolchain-snapshot_17~++20230517080653+e9a17453ee55/clang/cmake/modules/AddGRPC.cmake
===================================================================
--- llvm-toolchain-snapshot_17~++20230517080653+e9a17453ee55.orig/clang/cmake/modules/AddGRPC.cmake
+++ llvm-toolchain-snapshot_17~++20230517080653+e9a17453ee55/clang/cmake/modules/AddGRPC.cmake
@@ -4,8 +4,13 @@ function(generate_clang_protos_library L
   # Take the first two args and forward the remaining to generate_proto_sources.
   cmake_parse_arguments(PARSE_ARGV 2 PROTO "" "" "")
   generate_proto_sources(ProtoSource ${ProtoFile} ${PROTO_UNPARSED_ARGUMENTS})
+  set(LINKED_GRPC_LIBRARIES protobuf gpr grpc grpc++)
 
+  if (ABSL_SYNCHRONIZATION_LIBRARY)
+    list(APPEND LINKED_GRPC_LIBRARIES absl_synchronization)
+  endif()
   add_clang_library(${LibraryName} ${ProtoSource}
     PARTIAL_SOURCES_INTENDED
-    LINK_LIBS PUBLIC grpc++ protobuf)
+    LINK_LIBS PUBLIC  ${LINKED_GRPC_LIBRARIES})
+
 endfunction()
Index: llvm-toolchain-snapshot_17~++20230517080653+e9a17453ee55/cmake/Modules/FindGRPC.cmake
===================================================================
--- llvm-toolchain-snapshot_17~++20230517080653+e9a17453ee55.orig/cmake/Modules/FindGRPC.cmake
+++ llvm-toolchain-snapshot_17~++20230517080653+e9a17453ee55/cmake/Modules/FindGRPC.cmake
@@ -82,11 +82,28 @@ else()
     endif()
   endif()
   if(NOT TARGET grpc++)
+    find_library(GPR_LIBRARY gpr ${GRPC_OPTS} REQUIRED)
+    add_library(gpr UNKNOWN IMPORTED GLOBAL)
+    message(STATUS "Using gpr: " ${GPR_LIBRARY})
+    set_target_properties(gpr PROPERTIES IMPORTED_LOCATION ${GPR_LIBRARY})
+
     find_library(GRPC_LIBRARY grpc++ ${GRPC_OPTS} REQUIRED)
     add_library(grpc++ UNKNOWN IMPORTED GLOBAL)
     message(STATUS "Using grpc++: " ${GRPC_LIBRARY})
     set_target_properties(grpc++ PROPERTIES IMPORTED_LOCATION ${GRPC_LIBRARY})
     target_include_directories(grpc++ INTERFACE ${GRPC_INCLUDE_PATHS})
+    find_library(GRPC2_LIBRARY grpc ${GRPC_OPTS} REQUIRED)
+    add_library(grpc UNKNOWN IMPORTED GLOBAL)
+    message(STATUS "Using grpc: " ${GRPC2_LIBRARY})
+    set_target_properties(grpc PROPERTIES IMPORTED_LOCATION ${GRPC2_LIBRARY})
+
+    find_library(ABSL_SYNCHRONIZATION_LIBRARY absl_synchronization ${GRPC_OPTS} QUIET)
+    if (ABSL_SYNCHRONIZATION_LIBRARY)
+      add_library(absl_synchronization UNKNOWN IMPORTED GLOBAL)
+      message(STATUS "Using absl_synchronization: " ${ABSL_SYNCHRONIZATION_LIBRARY})
+      set_target_properties(absl_synchronization PROPERTIES IMPORTED_LOCATION ${ABSL_SYNCHRONIZATION_LIBRARY})
+    endif()
+
     if (ENABLE_GRPC_REFLECTION)
       find_library(GRPC_REFLECTION_LIBRARY grpc++_reflection ${GRPC_OPTS} REQUIRED)
       add_library(grpc++_reflection UNKNOWN IMPORTED GLOBAL)