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Re: Mainline bootstrap failure (Re: libstdc++ execute tests)
At 15:25 12.04.2001, Alexandre Oliva wrote:
>On Apr 12, 2001, Franz Sirl <Franz.Sirl-kernel@lauterbach.com> wrote:
>
> > Sorry, sent the wrong patch, see my followup post. BOOT_CFLAGS = -O2
> > $(CFLAGS) is actually the right thing to do.
>
>I'm not sure I agree with that.
>
>Suppose I want to bootstrap a complete tool-chain without
>optimization. Shouldn't `make CFLAGS=-g bootstrap' accomplish that?
>With your patch, it wouldn't: the stage3 GCC would still be compiled
>with optimization.
Yes, and what's the problem? You didn't tell to override optimizations, you
just told to generate debug information. For overriding optimizations you
pass CFLAGS="-g -O0" as with any other package that defaults to certain
optimizations that are not handled directly via CFLAGS.
Franz.