Re: [tip:perfcounters/core] perf_counter tools: Build with native optimization

Paul Mackerras
2009-06-05T01:03:51Z

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

Is there a way to make the default CFLAGS depend on the architecture?
We need -m64 on powerpc as well.

Paul.