Merge pull request #2998 from lucianm/sabayon_support

supporting sabayon host distro, quite straightforward, as a flavour of gentoo

scripts/checkdeps

@@ -80,7 +80,7 @@ case "$DISTRO" in
       files_pkg=(glibc-headers ncurses-devel)
       perl_pkg=(perl-JSON perl-XML-parser)
       ;;
-    gentoo)
+    gentoo|sabayon)
       deps+=(g++ mkfontscale mkfontdir bdftopcf xsltproc java python)
       deps_pkg+=("gcc[cxx]" mkfontscale mkfontdir bdftopcf libxslt virtual/jre python)
       files_pkg=(glibc ncurses)
@@ -143,6 +143,9 @@ if [ "${#need[@]}" -gt 0 ]; then
     gentoo)
       get_yes_no && sudo emerge --ask --deep "${need_pkg[@]}"
       ;;
+    sabayon)
+      get_yes_no && sudo equo install --ask "${need_pkg[@]}"
+      ;;
     mageia)
       get_yes_no && sudo urpmi "${need_pkg[@]}"
       ;;