Can I determine which compiler/linker flags where used to create a binary-only shared library?

Question

I am wondering if there is a way to find out which g++ compiler/linker flags where used in creating a binary-only library.

For example there might be a 3rd

Answer 1

I don't believe so as there does not appear to be a section in the ELF format for that information. On Linux, if you use 'readelf -a' to dump all the information, there's nothing about how the file got that way.