> I tried to compile GDB-4.15.1 for my NetBSD/sparc. I took the standard
> gnu distribution and all worked very smoothly:
> just ./configure and make
> 
> Only problem: it doesn't recognize the core-dump format.
> 
> Since GDB-4.11 as distributed with NetBSD-1.1 understands the core-dump
> format, I guess there is a trick when compiling GDB, but what's this trick ?

Wait until GDB 4.16. 

In the past, we haven't been very good about getting our changes
to third-party programs folded back into the master sources.  In
fact, netbsd core file support only made it into the gdb sources
in the last few weeks.

	--jtc