Convert all xbps-base-chroot pkgs to subpkgs.

Also introduce "libs.depends", that adds a rundep of a package
with a proper version. This is to avoid modifying all dependent
packages if there's an API/ABI change.

--HG--
extra : convert_revision : a46b11b8e9187bdb2bfc954ad5ff40ecd9c0fe31

templates/gawk/base.template

@@ -4,7 +4,8 @@ short_desc="${short_desc} (base files)"
 long_desc="${long_desc}
 
  This package contains the ${sourcepkg} base files."
-run_depends="glibc-libs-2.8"
+
+. ${XBPS_TEMPLATESDIR}/glibc/libs.depends
 
 do_install()
 {