PACKAGES="$PACKAGES asciidoc"
PACKAGES="$PACKAGES automake"
PACKAGES="$PACKAGES bison"
+PACKAGES="$PACKAGES clang" # Used by golang, useful to have same compiler building.
PACKAGES="$PACKAGES curl" # Used for fetching sources.
PACKAGES="$PACKAGES flex"
PACKAGES="$PACKAGES gettext" # Provides 'msgfmt' which the apt build uses.