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Re: Update LTO plugin interface

"H.J. Lu" <hjl.tools@gmail.com> writes:

> g++ adds -lm since libstdc++ uses libm.  If we do it in gcc, we may
> add run-time dependency on libm.so to all C programs even if they
> don't use libm at all.

No.  All the gcc driver has to do is: *if* -lm is used on the link line,
also add it after the use of --plugin-callback.


> Your proposal means we have to add lots of library references to
> GCC driver. I am not sure if it is a good idea.

No.  No library references have to be added.

Ian
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