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On Wednesday 18 July 2007, Chris Gianelloni wrote: |
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> On Tue, 2007-07-17 at 19:47 -0400, Mike Frysinger wrote: |
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> > historically, gcc on x86 has always defaulted to i386. some people |
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> > noticed recently that glibc-2.6 fails to build in this situation as they |
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> > were only setting -mtune via CFLAGS, not -march. i'll be tweaking gcc so |
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> > that it will default -march based on your CHOST. so all the i686-* |
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> > people will now have a default -march=i686 implied in their gcc systems, |
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> > i586-* people will have -march=i586, etc... keep in mind this is merely |
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> > the default. |
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> |
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> Have you spoken with upstream about this? Is there any way they would |
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> adopt it there? |
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my reading of the code is that they do this on purpose. they set the default |
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*tune* based on target, not arch. the gcc man page also quotes that the |
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default -march is i386 if no -march is set. |
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-mike |
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