Re: [gentoo-dev] Optimized Qt

[Alexander Holler <holler@ahsoftware.de>]

Hello,

--On Freitag, Juni 07, 2002 11:50:38 +0530 Prashanth Aditya Susarla 
<aditya@iitk.ac.in> wrote:

> Someone wanted to know if Qt compiled with higher optimization than its
> default was stable or not. I have just merged Qt compiled with
> -march=athlon-tbird -O3 -fomit-frame-pointer -pipe -mmmx -m3dnow
> (gcc-3.1,  binutils-2.12.90.0.7, glibc-2.2.5-r4) and the emerge completed
> successfully. I am also working in my KDE now and there seem to be no
> breakages/crashes.
> Untar qt-copy-3.0.4.tar.bz2 and edit
> qt-copy-3.0.4/mkspecs/linux-g++/qmake.conf (it was linux-g++ in my case,
> it could be different for others) and re-archive the entire tree. Then
> ebuild qt-3.0.4-20020606-r1.ebuild digest would recompute the digests and
> one can proceed with the emerge. Obviously, this new digest file would be
> overwritten in the next emerge rsync.

Good idea, maybe this could go into the next ebuild, here's a patch for the 
actual ebuild:


---------------------------------------------------------------------------
----------------
--- qt-3.0.4.20020606-r1.ebuild.ori     2002-06-08 09:59:05.000000000 +0200
+++ qt-3.0.4.20020606-r1.ebuild 2002-06-08 10:22:09.000000000 +0200
@@ -49,6 +49,8 @@
        cp configure configure.orig
        sed -e 's:read acceptance:acceptance=yes:' \
            -e 's:|-repeater|:|-nas-sound|-repeater|:' configure.orig > 
configure
+       cp mkspecs/linux-g++/qmake.conf mkspecs/linux-g++/qmake.conf.orig
+       sed -e "s/-O2/${CFLAGS}/" mkspecs/linux-g++/qmake.conf.orig > 
mkspecs/linux-g++/qmake.conf

 }
---------------------------------------------------------------------------
----------------


Regards,

Alexander