Re: [PATCH] check_gcc for i386

From: Alan Cox (alan_at_lxorguk.ukuu.org.uk)
Date: 08/31/03

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    To: Marcelo Tosatti <marcelo@parcelfarce.linux.theplanet.co.uk>
Date:	Sun, 31 Aug 2003 00:37:42 +0100

    On Sad, 2003-08-30 at 23:58, Marcelo Tosatti wrote:
    > > ifdef CONFIG_MPENTIUM4
    > > -CFLAGS += -march=i686
    > > +CFLAGS += $(call check_gcc,-march=pentium4,-march=i686)
    > > endif
    > >
    > > ifdef CONFIG_MK6
    >
    > OK, I forgot what that does. Can you please explain in detail what
    > check_gcc does.

    Tries to use gcc with the options given and if not falls back to the
    second set suggested. So it'll try -march=pentium4 (new gcc) and
    fall back to -march=i686

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