Re: Re: How is it possible ???

Patrick Audley wrote:
> includes X (though not glibc).  I think strip-compiler flags might be a good 
> idea for some systems but clearly on mine it's not necessary.

I was thinking about this issue since a while. It is clearly not a good 
practice to blindly filter every compiler flag in the ebuilds.

The successful build and usable binary is ensured by several factors:

1. Compiler version. Some versions of gcc are known to be buggy (do you 
remember the strength-reduce bug?)

2. Platform. This is again, a compiler flaw, if one optimization does 
work on one platform and doesn't on an other.

3. Compiler flags. Even in correlation with other flags. This is the 
common check in Gentoo ebuilds.

4. Application version. I know the day when the first mozilla nightly 
build stopped working on my Linux From Scratch. The cause: 
"-fomit-frame-pointer". Since a couple of month this is no more an issue.


/Ervin

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