pkg-config on macOS doesn't detect exact protobuf-lite version
checking protobuf-lite matches /Users/videolanci/sandbox/bin/protoc version 3.21.1... Unknown version comparison operator '==' after package name 'protobuf-lite' in file '(command line arguments)' no
compared to builds on Linux
checking protobuf-lite matches /opt/tools/bin/protoc version 3.21.1... yes
It doesn't like this line.
PROTOBUF_TEST="protobuf-lite == ${PROTOBUF_VERSION}"