Re: alpha-1.ports.openbsd.org bulk build report

[Landry Breuil]

On Wed, Feb 17, 2016 at 10:08:40PM +0100, Matthieu Herrb wrote:
> On Wed, Feb 17, 2016 at 09:46:30PM +0100, Matthieu Herrb wrote:
> > On Mon, Feb 15, 2016 at 03:44:02PM +0000, Christian Weisgerber wrote:
> > > On 2016-02-14, Matthieu Herrb <matth...@herrb.eu> wrote:
> > > 
> > > > I've taken the list of individual optimisation from gcc(1) for both -O1
> > > > and -O2 and replaced -O2 by this in CFLAGS.
> > > 
> > > gcc-local(1) is also worth a look...
> > > 
> > > > +O2= ${O1} -fthread-jumps -fcrossjumping \
> > > > +       -foptimize-sibling-calls -fcse-follow-jumps -fcse-skip-blocks \
> > > > +       -fgcse  -fgcse-lm -fexpensive-optimizations 
> > > > -frerun-cse-after-loop \
> > > > +       -fcaller-saves -fpeephole2 -fschedule-insns -fschedule-insns2 \
> > > > +       -fsched-interblock  -fsched-spec -fregmove -fstrict-aliasing \
> > > > +       -fstrict-overflow -fdelete-null-pointer-checks -freorder-blocks 
> > > > \
> > > > +       -freorder-functions -falign-functions -falign-jumps 
> > > > -falign-loops \
> > > > +       -falign-labels -ftree-vrp -ftree-pre
> > > 
> > > Our -O2 does not include -fstrict-aliasing, -fstrict-overflow,
> > > -ftree-vrp.
> > > 
> > 
> > Here's a new patch, taking your remarks and jsg's advice on
> > USER_CFLAGS into account. I can't test it so please someone with an
> > alpha apply it and try a full xenocara build (see release(8)) with
> > it. Thanks.
> 
> Oops missed one important chunk. Use this one instead

Fwiw, mlarkin@ built xenocara with this patch on his alpha (thanks!),
and this successfully build libGL, libGLU, and even built games/abuse
and graphics/lsys without issues, so this is clearly an improvement.

Landry

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