The compilation errors are as follows:
Making all for bundle Defaults...
Compiling file Defaults.m ...
In file included from Defaults.h:44,
from Defaults.m:47:
../../PrefsModule/PrefsModule.h:46: parse error before "@protocol"
cc1obj: warnings being treated as errors
../../PrefsModule/PrefsModule.h:99: warning: duplicate declaration for
protocol `PrefsApplication'
Defaults.m:52: Cannot find protocol declaration for `PrefsController'
Defaults.m: In function `-[Defaults initWithOwner:]':
Defaults.m:125: warning: method `prefsController' not implemented by
protocol.
Defaults.m:126: warning: cannot find method.
Defaults.m:126: warning: return type for `registerPrefsModule:' defaults to
id
make[2]: *** [shared_obj/ix86/linux-gnu/gnu-gnu-gnu/Defaults.o] Error 1
make[1]: *** [Defaults.all.bundle.variables] Error 2