About gtk library versions and dlopen()

[Panagiotis Astithas]

Joe Marcus Clarke wrote:
> On Tue, 2005-09-27 at 10:17 +0300, Panagiotis Astithas wrote:
> 
>>I see that in the marcuscom repository the gtk libraries have a version 
>>of 0 (libgtk-x11-2.0.so.0), whereas the current stable port has a 
>>version of 600 (libgtk-x11-2.0.so.600). Could someone please explain the 
>>logic behind the gtk library versioning and whether the committed gnome 
>>2.12 will keep the 0 versions?
> 
> 
> The .0 versions are more inline with Linux's versions.  Jean-Yves
> devised a libtool hack to restore "proper" library versioning, so we
> will keep these .0 versions for as long as the Linux guys do.

Great, thanks.

>>The main issue I'm trying to solve is whether we can dlopen a shared 
>>library on FreeBSD by specifying a version number of 0 and let the 
>>dynamic linker load the version that is currently installed. It seems 
>>that Eclipse on Linux and other Unix systems does this and they claim we 
>>have a weird linker.
> 
> 
> Yes, we can.  However, in the past we had versions that changed with
> each minor release.  Now we are trying to be more consistent with other
> platforms so things like dlopen'ing libraries will work out-of-the-box.

Excellent. Out of curiosity, in the current scheme of things, how can I 
dlopen() a libfoo.so.0 and get the existing libfoo.so.600 loaded? Do I 
need something other than RTLD_LAZY?

Thanks,

Panagiotis