Re: [PATCH][RFC] gcc3 arch options

Thunder from the hill (thunder@ngforever.de)
Mon, 27 May 2002 09:33:15 -0600 (MDT)


Hi,

On Mon, 27 May 2002, David Woodhouse wrote:
> jamagallon@able.es said:
> > +CFLAGS += $(shell if $(CC) -march=pentium-mmx -S -o /dev/null -xc /
> > dev/null >/dev/null 2>&1; then echo "-march=pentium-mmx"; else echo
> > "-march=i586"; fi)
>
> Doesn't this run the shell command every time $(CFLAGS) is used?

It does. But I don'y know whether it is _TOO_ expensive, others do it as
well. I think in the GCC compile we have it either.

However, we might better determine that in advance.

Regards,
Thunder

-- 
Was it a black who passed along in the sand?
Was it a white who left his footprints?
Was it an african? An indian?
Sand says, 'twas human.

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