Re: [gentoo-dev] new ebuild variables proposal...

[Jared H. Hudson]

Most ebuilds for packages that are picky about optimization settings, set 
their own CFLAGS & CXXFLAGS. If you will post what package you tried to 
compile and could not due to a CFLAGS setting, it would help us.

For example, if you look at the glibc ebuild you will find that CFLAGS is 
set to -O2 instead of the possible default of -O3, because linuxthreads 
which is part of glibc won't compile with -O3 apparently.

Personally, I feel this is the right way to handle this. Otherwise, just
having a BAD_CFLAGS variable takes away optimizations from programs which 
might have a problem with 1 but not all optimization flags.

-Jared H.

On Fri, 5 Apr 2002, Zach Forrest wrote:

> I've been working on an ebuild recently and the package won't compile
> with the '-funroll-loops' compiler flag. It might be nice to have a
> couple of variables such as 'BAD_CFLAGS' and 'BAD_CXXFLAGS' that would
> tell portage to remove these compiler flags for a particular ebuild.
> This would provide a uniform way to deal with any similar problems
> without someone having to modify their optimization settings for one ebuild.
>
> Any thoughts?
>
> Zach
>
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