In a past post I explained how to modify the Ufraw source code to support the Nikon D5100 SLR and create a Debian package. Now I show how to create a patched custom package for Archlinux, using the ABS (Archlinux Build System).

The general procedure is well explained in the ABS, Patching in ABS and PKGBUILD Archlinux wiki pages.

First, install the ABS and build utilities:

sudo pacman -S abs
sudo pacman -S base-devel

Configure the repositories that you want to be active and your name under PACKAGER directive in the files /etc/abs.conf and /etc/makepkg.conf

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Ufraw is a very nice open source program to develop raw files from digital cameras. It imports a variety of camera raw file formats, in particular NEF files from Nikon cameras. But unfortunately, at current version (0.18) it doesn't support the Nikon D5100 files.

By using some web references (see below) I was able to modify the source code and compile the program myself so now it is capable of opening and converting the NEF files of this camera. It isn't difficult but I had to gather the needed information from several different web pages so I ...