emerge nvidia-drivers
Calculating dependencies... done!
>>> Verifying ebuild Manifests...

>>> Emerging (1 of 1) x11-drivers/nvidia-drivers-96.43.05 to /
 * NVIDIA-Linux-x86-96.43.05-pkg0.run RMD160 SHA1 SHA256 size ;-) ...     [ ok ]
 * checking ebuild checksums ;-) ...                                      [ ok ]
 * checking auxfile checksums ;-) ...                                     [ ok ]
 * checking miscfile checksums ;-) ...                                    [ ok ]
 * checking NVIDIA-Linux-x86-96.43.05-pkg0.run ;-) ...                    [ ok ]
/usr/portage/eclass/linux-mod.eclass: line 409: syntax error near unexpected token `else'
/usr/portage/eclass/linux-mod.eclass: line 409: `		else'
 * 
 * ERROR: x11-drivers/nvidia-drivers-96.43.05 failed.
 * Call stack:
 *                        ebuild.sh, line 1696:  Called source '/usr/portage/x11-drivers/nvidia-drivers/nvidia-drivers-96.43.05.ebuild'
 *   nvidia-drivers-96.43.05.ebuild, line    5:  Called inherit 'eutils' 'multilib' 'versionator' 'linux-mod' 'flag-o-matic' 'nvidia-driver'
 *                        ebuild.sh, line 1196:  Called die
 * The specific snippet of code:
 *   		qa_source "$location" || die "died sourcing $location in inherit()"
 *  The die message:
 *   died sourcing /usr/portage/eclass/linux-mod.eclass in inherit()
 * 
 * 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/x11-drivers/nvidia-drivers-96.43.05/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/x11-drivers/nvidia-drivers-96.43.05/temp/die.env'.
 * 

 * Messages for package x11-drivers/nvidia-drivers-96.43.05:

 * 
 * ERROR: x11-drivers/nvidia-drivers-96.43.05 failed.
 * Call stack:
 *                        ebuild.sh, line 1696:  Called source '/usr/portage/x11-drivers/nvidia-drivers/nvidia-drivers-96.43.05.ebuild'
 *   nvidia-drivers-96.43.05.ebuild, line    5:  Called inherit 'eutils' 'multilib' 'versionator' 'linux-mod' 'flag-o-matic' 'nvidia-driver'
 *                        ebuild.sh, line 1196:  Called die
 * The specific snippet of code:
 *   		qa_source "$location" || die "died sourcing $location in inherit()"
 *  The die message:
 *   died sourcing /usr/portage/eclass/linux-mod.eclass in inherit()
 * 
 * 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/x11-drivers/nvidia-drivers-96.43.05/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/x11-drivers/nvidia-drivers-96.43.05/temp/die.env'.
 *