I'm running 14.1 with Alien's KDE version 4.13.3.

I installed digikam 4.5.0 with the pre-reqs, however it will not start, error message indicates libface.so.2 can not be found.

It looks like I have a lib missing. I don't know what package supplies libface.so.2. A locate command does not find it.

I have liblqr-0.4.1-x86_64-1_SBo installed.
I have lensfun-0.3.0-x86_64-1_SBo installed.
I have libpgf-6.14.12-x86_64-2_SBo installed.
I have opencv-2.4.9-x86_64-1_SBo installed.
I have ffmpeg-2.1.5-x86_64_custom-1_SBo installed.

What package supplies libkface.so.2?

Any help is appreciated.

I have that library in digikam-3.5.0: it seems something linked to that during the build phase.
I would try removing the old digikam and rebuild the new.

I had digikam 4.4.0 installed and running. I installed 4.5.0 with the graphical sbopkg, so I believe sbopkg would use upgradepkg to install 4.5.0 over 4.4.0. At least that is how I think it works.

I tried to remove 4.4.0 and it was not found.

If you use KDE 4.14, you need to use libexiv2 0.24 which isn't yet available in -current and KDE 4.14 must be recompiled against libexiv2 in order to build digikam (also as Ponce stated, remove the previous package from your system before building the new version).

The package works fine in Slackware 14.1 which still uses older KDE version

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This is 14.1. ( not current ) I have Alien's KDE version 4.13.3 installed.

FWIW, I removed 4.5.0 and am re-compiling it right now. I'll post the results; shortly.

i haven't tested in 14.1 using newer KDE (other than the default KDE 4.10.x used in 14.1), but i guess it should work

I have added this to the README, but since you use sbopkg, probably you didn't notice it

I suspect libkface is missing on my 64 bit system.

I checked my 32 bit system, and libkface is installed in /usr/lib/. This is my 64 bit system with the problem. The build is still running, its at 25%, so another 30 minutes or so.

I compiled digikam 4.5.0 under Slackware 14.1 and AlienBOB KDE 4.13.3 package and everything works fine ... except that I don't have the face recognition and the geo tagging features anymore.

It seems that the developers have "externalized" libkface and libkgeomap.
So, the face recognition and the geo tagging features are now optionals if these libraries aren't present.

EDIT : I don't have libkface in /usr/lib. Don't know why it's different from your installation ! 8-)

The compile and install completed. Digikam now is working.

Willysr, you are correct, I missed your note. Sorry for the inconvenience, and thank-you for your help.