toolchain: allow a recipe to have a main library and additional library at the same time
toolchain: allow a recipe to have a main library and additional library at the same time

tonibagur/kivy-ios,cbenhagen/kivy-ios,rnixx/kivy-ios,kivy/kivy-ios,rnixx/kivy-ios,cbenhagen/kivy-ios,kivy/kivy-ios,kivy/kivy-ios,tonibagur/kivy-ios