ppm version 0.0.2-0ubuntu3 failed to build on i386

ppm version 0.0.2-0ubuntu3 failed to build on i386
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110329/+buildjob/2407727

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110329/+buildjob/2407727/+files/buildlog_ubuntu-natty-i386.ppm_0.0.2-0ubuntu3_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 978 lines into the build log:

make[2]: Entering directory `/build/buildd/ppm-0.0.2/plugins'
cc -MD -I../daemon -I../include -O2 -g -fPIC -Wall -D_FORTIFY_SOURCE=2 `pkg-config --cflags glib-2.0` -c -o cpu.o cpu.c
gcc -shared -Wl,-Bsymbolic-functions -o cpu.so cpu.o
cc -MD -I../daemon -I../include -O2 -g -fPIC -Wall -D_FORTIFY_SOURCE=2 `pkg-config --cflags glib-2.0` -c -o wireless.o wireless.c
gcc -shared -Wl,-Bsymbolic-functions -o wireless.so wireless.o
cc -MD -I../daemon -I../include -O2 -g -fPIC -Wall -D_FORTIFY_SOURCE=2 `pkg-config --cflags glib-2.0` -I/usr/include/X11/extensions -c -o display.o display.c
display.c:53:33: fatal error: X11/extensions/dpms.h: No such file or directory
compilation terminated.
make[2]: *** [display.o] Error 1
rm wireless.o cpu.o
make[2]: Leaving directory `/build/buildd/ppm-0.0.2/plugins'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/ppm-0.0.2'
make: *** [build-stamp] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110408-1809
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/ppm-0.0.2