===> Building for protobuf-c-1.5.2nb2
  GEN      protobuf-c/protobuf-c.pb.cc
  CXX      protoc-gen-c/protoc_gen_c-c_bytes_field.o
protoc-gen-c/c_bytes_field.cc:97:24: error: no member named 'label' in 'google::protobuf::FieldDescriptor'
  switch (descriptor_->label()) {
          ~~~~~~~~~~~  ^
protoc-gen-c/c_bytes_field.cc:138:24: error: no member named 'label' in 'google::protobuf::FieldDescriptor'
  switch (descriptor_->label()) {
          ~~~~~~~~~~~  ^
2 errors generated.
gmake: *** [Makefile:1622: protoc-gen-c/protoc_gen_c-c_bytes_field.o] Error 1
*** Error code 2

Stop.
bmake[1]: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/devel/protobuf-c
*** Error code 1

Stop.
bmake: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/devel/protobuf-c