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On Monday 10 July 2006 01:51, Ryan Hill wrote: |
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> No, that would be a major pain in the ass for anyone wanting to use |
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> -fast-math, which does have legitimate uses. |
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> |
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I want to pose here that -ffast-math has NO LEGITIMATE use as a global CFLAG. |
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In some apps it doesn't matter as they don't use math. For others it is |
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fatal. If users want to use it on a particular app, they better |
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use /etc/portage/bashrc. |
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> > 2) If yes, are there any other flags that ebuilds should die on ? |
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> |
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> There's a million, and they're constantly changing. For example, |
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> -frename-registers is generally safe on GCC 3.4, broken in 4.0, and enabled |
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> by default on 4.1. |
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The flags that would apply are those that break apps because their use is |
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broken. Not because the particular compiler is broken in this instance. |
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> Users playing with CFLAGS get to keep the pieces. Trying to dummy-proof |
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> the system doesn't help anyone but the dummies. ;) |
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I don't mind that much not doing anything with -ffast-math, but filtering it |
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out should not be done. It is a broken flag. Filtering it out gives the |
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message that it isn't unsafe to use. |
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Paul |
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-- |
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Paul de Vrieze |
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Gentoo Developer |
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Mail: pauldv@g.o |
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Homepage: http://www.devrieze.net |
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