>>> Emerging (1 of 1) app-cdr/cdemu-0.7 to /
 * cdemu-0.7.tar.bz2 MD5 ;-) ...                                                                                                          [ ok ] * cdemu-0.7.tar.bz2 size ;-) ...                                                                                                         [ ok ] * checking ebuild checksums ;-) ...                                                                                                      [ ok ] * checking auxfile checksums ;-) ...                                                                                                     [ ok ] * checking miscfile checksums ;-) ...                                                                                                    [ ok ] * checking cdemu-0.7.tar.bz2 ;-) ...                                                                                                     [ ok ]>>> Unpacking source...
>>> Unpacking cdemu-0.7.tar.bz2 to /var/tmp/portage/app-cdr/cdemu-0.7/work
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/app-cdr/cdemu-0.7/work/cdemu-0.7 ...
make -C /usr/src/linux SUBDIRS=/var/tmp/portage/app-cdr/cdemu-0.7/work/cdemu-0.7 modules
make[1]: Entering directory `/usr/src/linux-2.6.17-beyond4pre1-r1'
  CC [M]  /var/tmp/portage/app-cdr/cdemu-0.7/work/cdemu-0.7/cdemu.o
/var/tmp/portage/app-cdr/cdemu-0.7/work/cdemu-0.7/cdemu.c:642: error: unknown field 'dev_ioctl' specified in initializer
/var/tmp/portage/app-cdr/cdemu-0.7/work/cdemu-0.7/cdemu.c:642: warning: initialization makes integer from pointer without a cast
/var/tmp/portage/app-cdr/cdemu-0.7/work/cdemu-0.7/cdemu.c:642: error: initializer element is not computable at load time
/var/tmp/portage/app-cdr/cdemu-0.7/work/cdemu-0.7/cdemu.c:642: error: (near initialization for 'cdemu_dops.capability')
/var/tmp/portage/app-cdr/cdemu-0.7/work/cdemu-0.7/cdemu.c:646: error: 'CDC_IOCTLS' undeclared here (not in a function)
make[2]: *** [/var/tmp/portage/app-cdr/cdemu-0.7/work/cdemu-0.7/cdemu.o] Error 1
make[1]: *** [_module_/var/tmp/portage/app-cdr/cdemu-0.7/work/cdemu-0.7] Error 2
make[1]: Leaving directory `/usr/src/linux-2.6.17-beyond4pre1-r1'
make: *** [all] Error 2

!!! ERROR: app-cdr/cdemu-0.7 failed.
Call stack:
  ebuild.sh, line 1548:   Called dyn_compile
  ebuild.sh, line 937:   Called src_compile
  cdemu-0.7.ebuild, line 23:   Called die

!!! (no error message)
!!! If you need support, post the topmost build error, and the call stack if relevant.