Пакеты libpixman и libpixman-devel до недавнего времени предоставлялись
пакетами libcairo и libcairo-devel соответственно.  Недавно эти provides
были из cairo удалены.  Используйте buildreq при каждой сборке пакета!

> Package: eclipse-3.1.1-alt2
> E: Couldn't find package libpixman-devel

> Package: firefox-1.5.0.6-alt3
> E: Couldn't find package libpixman-devel

> Package: ksquirrel-libs-0.6.3-alt1
> E: Couldn't find package libpixman-devel

> Package: libgdiplus-1.1.13.6-alt1
> E: Couldn't find package libpixman-devel

> Package: libsvg-cairo-0.1.6-alt1.1
> E: Couldn't find package libpixman-devel

> Package: xulrunner-1.8.0.1-alt2
> E: Couldn't find package libpixman-devel