Hallo, cc, Du meintest am 20.04.11: > (Anyone in Slackware land that knows of where these > headers are found? i.e. which package?) .../d/kernel-headers... .../testing/packages/kernel-headers... In the "testing" path you also find the header packet for kernel 2.6.38.3 And you should update to gcc-4.5.2 and gcc-g++-4.5.2 Viele Gruesse! Helmut