build: fix empty --with-*= arguments
authorDavid Herrmann <dh.herrmann@gmail.com>
Wed, 27 Feb 2013 18:48:53 +0000 (19:48 +0100)
committerDavid Herrmann <dh.herrmann@gmail.com>
Wed, 27 Feb 2013 18:48:53 +0000 (19:48 +0100)
commitb465a8372512690b4f420cf18f5eb32c57849c69
tree7ec9f8a63564f3098efb782120821751b0ebe9de
parent89247bf94c685f898379a951de6c1b0fdf08f696
build: fix empty --with-*= arguments

It currently isn't possible to pass empty lists to these arguments as it
will then be interpreted as default. Fix this by using "default" if it is
empty.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
configure.ac