$ abi-compliance-checker -lib ngc -dump ngc-abi-descriptor.xml -dump-path ngc-3.0.0.abi.dump
...
cc1: warning: command line option ‘-std=gnu++17’ is valid for C++/ObjC++ but not for C
cc1: warning: command line option ‘-fvisibility-inlines-hidden’ is valid for C++/ObjC++ but not for ```
I've got warnings like this: