===> Building for protobuf-c-1.5.0nb10
  GEN      protobuf-c/protobuf-c.pb.cc
  CXX      protoc-c/protoc_gen_c-c_bytes_field.o
protoc-c/c_bytes_field.cc:80:12: error: no matching function for call to 'CEscape'
    "\"" + CEscape(descriptor->default_value_string()) + "\"";
           ^~~~~~~
./protoc-c/c_helpers.h:88:13: note: candidate function not viable: no known conversion from 'absl::string_view' (aka 'basic_string_view<char>') to 'const std::string' (aka 'const basic_string<char, char_traits<char>, allocator<char>>') for 1st argument
std::string CEscape(const std::string& src);
            ^
protoc-c/c_bytes_field.cc:99:24: warning: 'label' is deprecated: Use is_required() or is_repeated() instead. [-Wdeprecated-declarations]
  switch (descriptor_->label()) {
                       ^
./google/protobuf/descriptor.h:920:3: note: 'label' has been explicitly marked deprecated here
  ABSL_DEPRECATED("Use is_required() or is_repeated() instead.")
  ^
/Users/pbulk/build/devel/protobuf-c/work/.buildlink/include/absl/base/attributes.h:689:49: note: expanded from macro 'ABSL_DEPRECATED'
#define ABSL_DEPRECATED(message) __attribute__((deprecated(message)))
                                                ^
protoc-c/c_bytes_field.cc:117:32: error: no matching function for call to 'FullNameToLower'
  vars["default_value_data"] = FullNameToLower(descriptor_->full_name(), descriptor_->file())
                               ^~~~~~~~~~~~~~~
./protoc-c/c_helpers.h:124:13: note: candidate function not viable: no known conversion from 'absl::string_view' (aka 'basic_string_view<char>') to 'const std::string' (aka 'const basic_string<char, char_traits<char>, allocator<char>>') for 1st argument
std::string FullNameToLower(const std::string &full_name, const FileDescriptor *file);
            ^
protoc-c/c_bytes_field.cc:125:32: error: no matching function for call to 'FullNameToLower'
  vars["default_value_data"] = FullNameToLower(descriptor_->full_name(), descriptor_->file())
                               ^~~~~~~~~~~~~~~
./protoc-c/c_helpers.h:124:13: note: candidate function not viable: no known conversion from 'absl::string_view' (aka 'basic_string_view<char>') to 'const std::string' (aka 'const basic_string<char, char_traits<char>, allocator<char>>') for 1st argument
std::string FullNameToLower(const std::string &full_name, const FileDescriptor *file);
            ^
protoc-c/c_bytes_field.cc:127:21: error: no matching function for call to 'CEscape'
  vars["escaped"] = CEscape(descriptor_->default_value_string());
                    ^~~~~~~
./protoc-c/c_helpers.h:88:13: note: candidate function not viable: no known conversion from 'absl::string_view' (aka 'basic_string_view<char>') to 'const std::string' (aka 'const basic_string<char, char_traits<char>, allocator<char>>') for 1st argument
std::string CEscape(const std::string& src);
            ^
protoc-c/c_bytes_field.cc:135:4: error: no matching function for call to 'FullNameToLower'
        + FullNameToLower(descriptor_->full_name(), descriptor_->file())
          ^~~~~~~~~~~~~~~
./protoc-c/c_helpers.h:124:13: note: candidate function not viable: no known conversion from 'absl::string_view' (aka 'basic_string_view<char>') to 'const std::string' (aka 'const basic_string<char, char_traits<char>, allocator<char>>') for 1st argument
std::string FullNameToLower(const std::string &full_name, const FileDescriptor *file);
            ^
protoc-c/c_bytes_field.cc:140:24: warning: 'label' is deprecated: Use is_required() or is_repeated() instead. [-Wdeprecated-declarations]
  switch (descriptor_->label()) {
                       ^
./google/protobuf/descriptor.h:920:3: note: 'label' has been explicitly marked deprecated here
  ABSL_DEPRECATED("Use is_required() or is_repeated() instead.")
  ^
/Users/pbulk/build/devel/protobuf-c/work/.buildlink/include/absl/base/attributes.h:689:49: note: expanded from macro 'ABSL_DEPRECATED'
#define ABSL_DEPRECATED(message) __attribute__((deprecated(message)))
                                                ^
2 warnings and 5 errors generated.
gmake: *** [Makefile:1563: protoc-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