tiemu version 3.02-1.1ubuntu1 failed to build on i386

tiemu version 3.02-1.1ubuntu1 failed to build on i386
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110329/+buildjob/2411829

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110329/+buildjob/2411829/+files/buildlog_ubuntu-natty-i386.tiemu_3.02-1.1ubuntu1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 2642 lines into the build log:

gui/calc/calc.c: In function 'hid_lcd_rate_set':
gui/calc/calc.c:643:4: error: 'GtkFunction' undeclared (first use in this function)
gui/calc/calc.c:643:16: error: expected ')' before 'hid_refresh'
gui/calc/calc.c:643:16: error: too few arguments to function 'g_timeout_add'
/usr/include/glib-2.0/glib/gmain.h:509:10: note: declared here
gui/calc/calc.c: At top level:
gui/calc/calc.c:468:13: warning: 'hid_refresh' defined but not used
make[3]: *** [gui/calc/calc.o] Error 1
make[3]: Leaving directory `/build/buildd/tiemu-3.02/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/build/buildd/tiemu-3.02'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/tiemu-3.02'
make: *** [build-stamp] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110408-1812
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/tiemu-3.02