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Robin H. Johnson wrote: |
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> On Sat, Sep 30, 2006 at 03:48:53PM -0600, Ryan Hill wrote: |
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>> Lionel Bouton wrote: |
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>>> There are already good resources (http://gentoo-wiki.com/CFLAGS_matrix |
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>>> was mentioned to me by robbat2) but they may not be advertised enough. |
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>> Most of the info on that page is wrong. |
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> The items on there that note breakages are reasonably correct. |
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> -fvisibility=hidden and -ffast-math DO cause breakages. |
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> |
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> -ftree-loop-linear likewise is broken on GCC4.1 last I checked. |
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I thought he wanted flags that broke upgrading between GCC 3.4 and 4.1. |
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tree-loop-linear wasn't in 3.4. If you want flags that just break |
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stuff with 4.1 you can include -ftree-vectorize. |
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>>> I'd like to propose a paragraph to the GWN editor which presents some |
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>>> gotchas and good references on the subject. |
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>> Honestly, the only good reference is the Safe CFLAGS page. |
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> The objective here was mainly to point out some things that users are |
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> doing that are causing breakages, leading to bugs that are ultimately |
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> marked INVALID after much tracing. |
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Like using CFLAGS not on the Safe CFLAGS page? ;) |
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Monsieur Spanky wrote: |
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> no way will our documentation link to gentoo-wiki.com |
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It's not documentation, it's the GWN, which has linked to gentoo-wiki |
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before. |
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--de. |
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