[ebuild  N    ] dev-scheme/guile-1.8.8-r1  USE="deprecated nls regex threads -debug -debug-freelist -debug-malloc -discouraged -emacs -networking" 

!!! The following installed packages are masked:
- sys-devel/automake-1.13.1::gentoo (masked by: package.mask)
/etc/portage/package.mask:
# move x11-libs/qt-core dev-qt/qtcore
# move x11-libs/qt-gui dev-qt/qtgui
# >app-admin/system-config-printer-common-1.3.9-r2
# =gnome-base/gconf-2.32.4

For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.