Messages in this thread | | | Date | Fri, 5 Jun 2009 20:42:02 +0200 | From | Ingo Molnar <> | Subject | Re: [tip:perfcounters/core] perf_counter tools: Build with native optimization |
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* Paul Mackerras <paulus@samba.org> wrote:
> tip-bot for Ingo Molnar writes: > > > perf_counter tools: Build with native optimization > > > > Build the tools with -march=native by default. > > On powerpc (RHEL5.2 on POWER5+, gcc 4.1.2), I get: > > CC perf.o > cc1: error: unrecognized command line option "-march=native" > make: *** [perf.o] Error 1
ok, i removed that.
> Is there a way to make the default CFLAGS depend on the architecture? > We need -m64 on powerpc as well.
Would be nice to add a Makefile rule to add -m64 on all 64-bit architectures. That would avoid having to do PowerPC-specific magic.
(But, PowerPC-specific rules would be fine too, of course.)
Ingo
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