Messages in this thread | | | Subject | Re: [PATCH] check_gcc for i386 | From | Alan Cox <> | Date | Sun, 31 Aug 2003 00:37:42 +0100 |
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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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