# The dir variable will be re-assigned to later, so we can't use it
# directly in any shell commands. Instead we save its value in other,
# private variables that we can use in the commands.
-bash_script := $(dir)/notmuch-completion.bash
-zsh_script := $(dir)/notmuch-completion.zsh
+bash_script := $(srcdir)/$(dir)/notmuch-completion.bash
+zsh_script := $(srcdir)/$(dir)/notmuch-completion.zsh
install: install-$(dir)