https://lvc.github.io/abi-compliance-checker/ seems a good idea and is used by other projects: https://github.com/uclouvain/openjpeg/blob/master/tools/travis-ci/abi-check.sh and/or https://github.com/GrokImageCompression/grok/blob/master/tools/travis-ci/abi-check.sh