Calculating dependencies... done!
>>> starting parallel fetching

>>> Emerging (1 of 2) app-emulation/vmware-modules-1.0.0.15-r1 to /
 * vmware-any-any-update108.tar.gz MD5 ;-) ...                            [ ok ]
 * vmware-any-any-update108.tar.gz RMD160 ;-) ...                         [ ok ]
 * vmware-any-any-update108.tar.gz SHA1 ;-) ...                           [ ok ]
 * vmware-any-any-update108.tar.gz SHA256 ;-) ...                         [ ok ]
 * vmware-any-any-update108.tar.gz size ;-) ...                           [ ok ]
 * checking ebuild checksums ;-) ...                                      [ ok ]
 * checking auxfile checksums ;-) ...                                     [ ok ]
 * checking miscfile checksums ;-) ...                                    [ ok ]
 * checking vmware-any-any-update108.tar.gz ;-) ...                       [ ok ]
 * Determining the location of the kernel source code
 * Unable to find kernel sources at /usr/src/linux
 * This package requires Linux sources.
 * Please make sure that /usr/src/linux points at your running kernel,
 * (or the kernel you wish to build against).
 * Alternatively, set the KERNEL_DIR environment variable to the kernel sources location

!!! ERROR: app-emulation/vmware-modules-1.0.0.15-r1 failed.
Call stack:
  ebuild.sh, line 1630:   Called dyn_setup
  ebuild.sh, line 702:   Called qa_call 'pkg_setup'
  ebuild.sh, line 38:   Called pkg_setup
  ebuild.sh, line 1304:   Called vmware-mod_pkg_setup
  vmware-mod.eclass, line 33:   Called linux-mod_pkg_setup
  linux-mod.eclass, line 458:   Called linux-info_pkg_setup
  linux-info.eclass, line 554:   Called die

!!! Unable to calculate Linux Kernel version
!!! 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/app-emulation/vmware-modules-1.0.0.15-r1/temp/build.log'.

This ebuild used the following eclasses from overlays:

  /usr/portage/local/layman/vmware/eclass/vmware-mod.eclass
  /usr/portage/local/layman/vmware/eclass/vmware.eclass

!!! This ebuild is from an overlay: '/usr/portage/local/layman/vmware'