When trying to compile and install GLscene on Lazarus under Mac OS 10.8 the package compiles, but before installing it errors out with:
ld: library not found for -lX11
An error occurred while linking
I do have XQuartz installed as well as Xcode, Lazarus 1.0RC1 and FPC 2.6.0.
I see your site advertises Mac support. Are Mac's supported via Lazarus? If so, any ideas about fixing the linking error?