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