On Tue, Aug 21, 2007 at 10:18:21PM +0200, Andre Poenitz wrote:
> On Tue, Aug 21, 2007 at 08:20:01PM +0200, Enrico Forestieri wrote:
> > [...] Then the Qt build system doesn't let you perform out of tree
> > builds (shadow builds in Qt parliance), even if Qt 4.3 is a big step
> > forward in this respect.
>
> I just tried a shadow build of Qt 4.3.0 itself and it worked
> out-of-the-box.
I had in mind a mingw build. Then, try rooting the build tree in the
source dir. I need the following patch for that. This always works
with autotools.
--- qtwin-4.3.1.old/bin/syncqt 2007-08-07 15:09:38.000000000 +0200
+++ qtwin-4.3.1.new/bin/syncqt 2007-08-14 16:54:31.805563500 +0200
@@ -93,10 +93,6 @@
$r = 1;
(-f "\\usr\\bin\\uname") && ($r = 0);
}
- if($r) {
- $_ = $Config{'osname'};
- $r = 0 if( /(ms)|(cyg)win/i );
- }
return $r;
}
@@ -326,7 +322,7 @@
my $after = substr($dir, length($match_dir));
my $count = ($after =~ tr,/,,);
my $dots = "";
- for(my $i = 0; $i < $count; $i++) {
+ for(my $i = 1; $i < $count; $i++) {
$dots .= "../";
}
$ret =~ s,^$match_dir,$dots,;
> > > > autotools? You can't eat your cake and have it ;-)
> > >
> > > That's not about pure compilation. This is about having unnecessary
> > > abstraction layers _and_ choosing regularily the most expensive
> > > method of abstraction.
> >
> > There must be something wrong in the way we use autotools. I build
> > many other programs using autotools but do not experience the same
> > slowness as with lyx.
>
> Autotools is indeed only part of the problem (accounts for a factor of
> two). boost is the other (no hard numbers here, but I wouldn't be
> surprised if the magnitude was the same) and then there are various
> small issues.
You must be right with boost. I remember that at each boost upgrade
the time required for building increased steadily. Just to be sure,
I tried building again lyx 1.3.7 and it took less than half the time
required by current svn.
--
Enrico
