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* Re: [gentoo-dev] x86 toolchain changes heads up
  @ 2007-07-18  9:19 99%   ` Vlastimil Babka
  0 siblings, 0 replies; 1+ results
From: Vlastimil Babka @ 2007-07-18  9:19 UTC (permalink / raw
  To: gentoo-dev

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Peter Gordon wrote:
> On Tue, 2007-07-17 at 19:47 -0400, Mike Frysinger wrote:
>> historically, gcc on x86 has always defaulted to i386.  some people noticed 
>> recently that glibc-2.6 fails to build in this situation as they were only 
>> setting -mtune via CFLAGS, not -march.  i'll be tweaking gcc so that it will 
>> default -march based on your CHOST.  so all the i686-* people will now have a 
>> default -march=i686 implied in their gcc systems, i586-* people will 
>> have -march=i586, etc...  keep in mind this is merely the default.
>> -mike
> 
> Does this mean that any user-set "-march" flag is overridden for these
> cases? Just curious.

I think he meant CHOST sets just *default* so any user-set -march
overrides that.
But I wonder what happens to user-set -mtune then? Since AFAIK -march
implies -mtune, will also the default -march override user-set -mtune?

- --
Vlastimil Babka (Caster)
Gentoo/Java
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2007-07-17 23:47     [gentoo-dev] x86 toolchain changes heads up Mike Frysinger
2007-07-18  8:53     ` Peter Gordon
2007-07-18  9:19 99%   ` Vlastimil Babka

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