update packages ffmpeg giflib imagemagick
Add libftdi package.
package xvidcore: disable parallel build
package libgda: disable postgresql support

I doubt this ever worked, it doesn't detect the prefixed pg_config and doesn't seem to support postgresql 9+
packages vtk ocaml-* cross builds: add explicit gcc dependency
Merge pull request #116 from uwehermann/libftdi

Add libftdi package.
package libftdi: use config.guess
package libftdi: override libusb detection

Otherwise libusb will be detected on the build system and fail if
it isn't there.
package libftdi: fix usb detection override
Merge branch 'master' into multi-target