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From:	Martin Stromberg <Martin DOT Stromberg AT epl DOT ericsson DOT se>
Message-Id:	<200112021239.NAA08303@lws256.lu.erisoft.se>
Subject:	Re: Building a profiled version of libc
To:	djgpp-workers AT delorie DOT com
Date:	Sun, 2 Dec 2001 13:39:24 +0100 (MET)
In-Reply-To:	<3C0A1ABF.C95CCFA2@phekda.freeserve.co.uk> from "Richard Dawe" at Dec 02, 2001 12:12:47 PM
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> No, the patches allow you to build a profiled version of libc by tweaking
> the options in src/gcc.opt. Previously libc compiled with profiling would
> cause programs compiled against it to crash. The reason was that the
> profiling support was compiled with profiling, which lead to unlimited
> recursion in the profiling support code.
> 
> The build system would need more invasive modifications to support
> building two different sets of objects for the two libraries. We could
> then fix the problem with libemu cleanly - link it against normal libc.

Ok. What if we have gcc-profile.opt and gcc-noprofile.opt and let
"make" do "cp gcc-profile.opt gcc.opt; make clean; make; cp
gcc-noprofile.opt gcc.opt; make clean; make;"? Or add a target
"profile" that builds a profiling libc or something like that?


Right,

						MartinS

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