Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH for review] [67/145] x86_64: Detect CFI support in the assembler at runtime | Date | Fri, 11 Aug 2006 07:55:58 +0200 |
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On Friday 11 August 2006 07:39, Sam Ravnborg wrote: > > +# as-instr > > +# Usage: cflags-y += $(call as-instr, instr, option1, option2) > > + > > +as-instr = $(shell if echo -e "$(1)" | $(AS) -Z -o /dev/null \ > > + 2>&1 >/dev/null ; then echo "$(2)"; else echo "$(3)"; fi;) > > Have you checked that as will not delete yout /dev/null if you build as > root? ld do so if you specify /dev/null as output file.
No. But it's probably safter to do it otherwise. Do you have an alternative?
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