john@john ~ $ sudo emerge accel-manager
Password:
Calculating dependencies -!!! A file listed in the Manifest could not be found: /usr/portage/local/layman/sabayon/app-emulation/wine/wine-9999.ebuild
... done!
>>> Verifying ebuild Manifests...

>>> Emerging (1 of 1) kde-misc/accel-manager-1.3.5 to /
 * checking ebuild checksums ;-) ...                                      [ ok ]
 * checking auxfile checksums ;-) ...                                     [ ok ]
 * checking miscfile checksums ;-) ...                                    [ ok ]
>>> Unpacking source...
 * subversion update start -->
 *      repository: http://svn.sabayonlinux.org/projects/accel-manager/tags/1.3.5
At revision 310.
 *    working copy: /usr/portage/distfiles/svn-src/accel-manager/1.3.5

>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/kde-misc/accel-manager-1.3.5/work/accel-manager-1.3.5 ...
GlStatus.cpp: In member function ‘bool GlStatus::getAIGLXAvailability()’:
GlStatus.cpp:85: warning: control reaches end of non-void function
/usr/lib/gcc/i586-pc-linux-gnu/4.1.1/../../../../i586-pc-linux-gnu/bin/ld: cannot find -lGL
collect2: ld returned 1 exit status
make: *** [accel-manager] Error 1

!!! ERROR: kde-misc/accel-manager-1.3.5 failed.
Call stack:
  ebuild.sh, line 1621:   Called dyn_compile
  ebuild.sh, line 973:   Called qa_call 'src_compile'
  ebuild.sh, line 44:   Called src_compile
  accel-manager-1.3.5.ebuild, line 29:   Called die

!!! make failed
!!! If you need support, post the topmost build error, and the call stack if relevant.
!!! A complete build log is located at '/var/tmp/portage/kde-misc/accel-manager-1.3.5/temp/build.log'.

!!! This ebuild is from an overlay: '/usr/portage/local/layman/sabayon'
john@john ~ $