adg: make cairo-gobject optional
commit01a3a80d4ef5e2319ea9f928dd71db0999ebb453
authorNicola Fontana <ntd@entidi.it>
Thu, 4 Apr 2013 22:21:36 +0000 (5 00:21 +0200)
committerNicola Fontana <ntd@entidi.it>
Thu, 4 Apr 2013 22:21:36 +0000 (5 00:21 +0200)
tree5a7ce75e6fe9656ce59c04cae384f27dd4fa8278
parent4611a414f88c2866d66e8d9fcd39aa8067041093
adg: make cairo-gobject optional

cairo-gobject has been added to cairo only recently (2010), so including
it only optionally. In case it does not exist, use the yet existing
fallbacks (or provide the missing ones if there will be).
configure.ac
src/adg/adg-internal.h