nautilus-share version 0.7.2-14ubuntu1 failed to build in oneiric

nautilus-share version 0.7.2-14ubuntu1 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2706044

Details about the rebuild:
http://people.ubuntuwire.org/~wgrant/rebuild-ftbfs-test/test-rebuild-20110816-oneiric.html

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2706044/+files/buildlog_ubuntu-oneiric-i386.nautilus-share_0.7.2-14ubuntu1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1794 lines into the build log:

/usr/include/gtk-3.0/gtk/gtkhbox.h:28:2: error: #error "Only <gtk/gtk.h> can be included directly."
In file included from nautilus-share.c:43:0:
/usr/include/gtk-3.0/gtk/gtklabel.h:27:2: error: #error "Only <gtk/gtk.h> can be included directly."
In file included from nautilus-share.c:45:0:
/usr/include/gtk-3.0/gtk/gtkentry.h:32:2: error: #error "Only <gtk/gtk.h> can be included directly."
nautilus-share.c:47:26: fatal error: gdk/gdkspawn.h: No such file or directory
compilation terminated.
make[3]: *** [libnautilus_share_la-nautilus-share.lo] Error 1
make[3]: Leaving directory `/build/buildd/nautilus-share-0.7.2/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/build/buildd/nautilus-share-0.7.2'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/nautilus-share-0.7.2'
make: *** [debian/stamp-makefile-build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110818-0319
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/nautilus-share-0.7.2