amphetamine version 0.8.10-15 failed to build in oneiric

amphetamine version 0.8.10-15 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2688341

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/2688341/+files/buildlog_ubuntu-oneiric-amd64.amphetamine_0.8.10-15_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1119 lines into the build log:

src/Weapon.cpp:404:2: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
src/Weapon.cpp:405:2: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
src/Weapon.cpp:406:2: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
src/Weapon.cpp: In member function 'virtual void CWeapon::Read(FILE*)':
src/Weapon.cpp:370:2: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
src/Weapon.cpp:372:2: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
src/Weapon.cpp:373:2: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
src/Weapon.cpp:374:2: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
src/Weapon.cpp:375:2: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
src/Weapon.cpp:376:2: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
make[1]: *** No rule to make target `/usr/include/sys/stat.h', needed by `src/System.o'. Stop.
make[1]: Leaving directory `/build/buildd/amphetamine-0.8.10'
dh_auto_build: make -j1 returned exit code 2
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110819-1819
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/amphetamine-0.8.10