+AC_ARG_WITH([bash-completion-dir],
+ AC_HELP_STRING([--with-bash-completion-dir=DIR],
+ [name of the Bash completion directory]),
+ [bashcompletiondir="$withval"],
+ [bashcompletiondir='${sysconfdir}/bash_completion.d'])
+AC_SUBST([bashcompletiondir])
+
+AC_ARG_WITH([zsh-completion-dir],
+ AC_HELP_STRING([--with-zsh-completion-dir=DIR],
+ [name of the Zsh completion directory]),
+ [zshcompletiondir="$withval"],
+ [zshcompletiondir='${datadir}/zsh/site-functions'])
+AC_SUBST([zshcompletiondir])
+
+dnl Better be verbose.
+AC_MSG_CHECKING([for the store directory])
+AC_MSG_RESULT([$storedir])
+