ng sys-boot/grub-0.96-r2 to /
 *
 * Cannot automatically mount your /boot partition.
 * Your boot partition has to be mounted rw before the installation
 * can continue. grub needs to install important files there.
 *

!!! ERROR: sys-boot/grub-0.96-r2 failed.
Call stack:
  ebuild.sh, line 1555:   Called dyn_preinst
  ebuild.sh, line 1031:   Called pkg_preinst
  ebuild.sh, line 1248:   Called mount-boot_pkg_preinst
  mount-boot.eclass, line 64:   Called mount-boot_mount_boot_partition
  mount-boot.eclass, line 54:   Called die

!!! Please mount your /boot partition manually!
!!! If you need support, post the topmost build error, and the call stack if relevant.

!!! FAILED preinst: 1