Messages in this thread | | | Date | Mon, 27 May 2002 09:33:15 -0600 (MDT) | From | Thunder from the hill <> | Subject | Re: [PATCH][RFC] gcc3 arch options |
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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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