Subject: Re: x11/gtk2 doesn't build on Linux (SuSE 8.1)
To: Johnny C. Lam <>
From: Julio M. Merino Vidal <>
List: tech-pkg
Date: 03/28/2005 21:35:42
On Mon, 2005-03-28 at 14:14 -0500, Johnny C. Lam wrote:
> Julio M. Merino Vidal wrote:
> > Mysteriously, if you remove -Wl,-R from the command line (leaving -L)
> > it works.  I may be missing some details about that flag, though.
> > 
> > This happens because -Wl,-R/usr/X11R6/lib -L/usr/X11R6/lib appear
> > before the flags for /usr/pkg/lib.  I can't reproduce this locally
> > in any of my boxes because the X system in them is new enough to
> > provide the required functions from Xft2.
> This is a problem where the pkgsrc libXft and the X11R6 libXft probably 
> have the same major number.  Buildlink will force the correctly 
> libraries to be used during linking, but at run-time, the shared 
> libraries are found by searching the run-time library search path in 
> order.  In this case, since /usr/X11R6/lib appears before /usr/pkg/lib 
> in the rpath, it will be searched first.
> I believe that there is very little that we can do here to fix this 
> problem without requiring differing major numbers for the shared 
> libraries between X11R6 and pkgsrc.  The search path cannot be 
> guaranteed to be correct and can actually never be correct if the user 
> chooses to use the builtin versions of some libraries while using pkgsrc 
> versions of others.  While buildlink could reorder the -Wl,-R flags, 
> it's not clear how to determine what the correct order should be.

Aha.  Thanks for the explanation.  Looks like we won't be able to fix
the problem :-/

But I still can't see why does the run path affect the build...
shouldn't it be using the -L flags?

Julio M. Merino Vidal <>
The NetBSD Project -