evolution-indicator version 0.2.17-0ubuntu1 failed to build in oneiric

evolution-indicator version 0.2.17-0ubuntu1 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2692527

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/2692527/+files/buildlog_ubuntu-oneiric-i386.evolution-indicator_0.2.17-0ubuntu1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1969 lines into the build log:

                  libcanberra
                  gtkhtml-editor-4.0
                  unity
                  ) were not met:

No package 'indicate-0.5' found

Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.

Alternatively, you may set the environment variables DEPS_CFLAGS
and DEPS_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.
make: *** [debian/stamp-autotools] Error 1
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110817-0239
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/evolution-indicator-0.2.17