When I installed compiletc.tce and linux-headers-2.6.29.1.tce and then tried to compile some code (the rt2860sta module as it happens), I was told /lib/modules/2.6.29.1-tinycore/build could not be found.
When I looked more closely it seemed the linux-headers-2.6.29.1.tce had a sym link at /lib/modules/2.6.29.1/build - i.e. the "-tinycore" bit of the path was missing. I created a sym link from /lib/modules/2.6.29.1-tinycore/build to the same target and then I could compile OK.
Is this a bug or am I misunderstanding something?