jonah@localhost ~ $ sudo emerge -av nvidia-drivers
Password:
These are the packages that would be merged, in order:
Calculating dependencies... done!
[ebuild U ] x11-drivers/nvidia-drivers-169.12-r10 [100.14.19-r10] USE="acpi%* distribution -custom-cflags% -gtk (-multilib)" 0 kB [1]
Total: 1 package (1 upgrade), Size of downloads: 0 kB
Portage tree and overlays:
[0] /usr/portage
[1] /usr/portage/local/layman/sabayon
Would you like to merge these packages? [Yes/No] yes
>>> Verifying ebuild Manifests...
>>> Emerging (1 of 1) x11-drivers/nvidia-drivers-169.12-r10 to /
* NVIDIA-Linux-x86_64-169.12-pkg2.run RMD160 ;-) ... [ ok ]
* NVIDIA-Linux-x86_64-169.12-pkg2.run SHA1 ;-) ... [ ok ]
* NVIDIA-Linux-x86_64-169.12-pkg2.run SHA256 ;-) ... [ ok ]
* NVIDIA-Linux-x86_64-169.12-pkg2.run size ;-) ... [ ok ]
* checking ebuild checksums ;-) ... [ ok ]
* checking auxfile checksums ;-) ... [ ok ]
* checking miscfile checksums ;-) ... [ ok ]
* checking NVIDIA-Linux-x86_64-169.12-pkg2.run ;-) ... [ 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: x11-drivers/nvidia-drivers-169.12-r10 failed.
* Call stack:
* ebuild.sh, line 1664: Called dyn_setup
* ebuild.sh, line 719: Called qa_call 'pkg_setup'
* ebuild.sh, line 44: Called pkg_setup
* nvidia-drivers-169.12-r10.ebuild, line 145: Called linux-mod_pkg_setup
* linux-mod.eclass, line 465: Called linux-info_pkg_setup
* linux-info.eclass, line 595: 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/x11-drivers/nvidia-drivers-169.12-r10/temp/build.log'.
*
* Messages for package x11-drivers/nvidia-drivers-169.12-r10:
* Unable to find kernel sources at /usr/src/linux
*
* ERROR: x11-drivers/nvidia-drivers-169.12-r10 failed.
* Call stack:
* ebuild.sh, line 1664: Called dyn_setup
* ebuild.sh, line 719: Called qa_call 'pkg_setup'
* ebuild.sh, line 44: Called pkg_setup
* nvidia-drivers-169.12-r10.ebuild, line 145: Called linux-mod_pkg_setup
* linux-mod.eclass, line 465: Called linux-info_pkg_setup
* linux-info.eclass, line 595: 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/x11-drivers/nvidia-drivers-169.12-r10/temp/build.log'.
*
jonah@localhost ~ $