pearpc version 0.4.0-5 failed to build in oneiric

pearpc version 0.4.0-5 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2707795

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/2707795/+files/buildlog_ubuntu-oneiric-i386.pearpc_0.4.0-5_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1196 lines into the build log:

ppc_mmu.cc: In function 'void ppc_opc_stvx()':
ppc_mmu.cc:3822:62: warning: value computed is not used [-Wunused-value]
make[5]: *** [ppc_mmu.o] Error 1
make[5]: Leaving directory `/build/buildd/pearpc-0.4.0/src/cpu/cpu_jitc_x86'
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory `/build/buildd/pearpc-0.4.0/src/cpu'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/build/buildd/pearpc-0.4.0/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/build/buildd/pearpc-0.4.0'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/pearpc-0.4.0'
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 20110826-1608
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/pearpc-0.4.0