RFR: 8274300: Address dsymutil warning by excluding platform specific files

[Mikael Vidstedt]

On Tue, 9 Jan 2024 07:50:36 GMT, David Holmes <dholmes at openjdk.org> wrote:

> > We run dsymutils on the libraries (e.g. `libjvm.dylib`) to extract the debug symbols.
> 
> So how does it know about empty files??? Does an empty src file create an empty object file which in turns creates an empty section in the library?

Right: (effectively) empty source file -> (effectively) empty object file -> (effectively) empty library.

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PR Comment: https://git.openjdk.org/jdk/pull/17287#issuecomment-1883640395