* Unable to find kernel sources at /usr/src/linux
 * Unable to find kernel sources at /usr/src/linux
 *
 * ERROR: sys-fs/fuse-2.7.2 failed.
 * Call stack:
 *               ebuild.sh, line   46:  Called pkg_setup
 *       fuse-2.7.2.ebuild, line   29:  Called linux-mod_pkg_setup
 *        linux-mod.eclass, line  465:  Called linux-info_pkg_setup
 *       linux-info.eclass, line  558:  Called die
 * The specific snippet of code:
 *      get_version || die "Unable to calculate Linux Kernel version"
 *  The die message:
 *   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/sys-fs/fuse-2.7.2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sys-fs/fuse-2.7.2/temp/die.env'.
 *
 * GNU info directory index is up-to-date.