directfb version 1.2.10.0-4ubuntu2 failed to build on i386

directfb version 1.2.10.0-4ubuntu2 failed to build on i386
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110413/+buildjob/2448566

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110413/+buildjob/2448566/+files/buildlog_ubuntu-natty-i386.directfb_1.2.10.0-4ubuntu2_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1167 lines into the build log:

checking for gawk... no
checking for mawk... mawk
checking whether make sets $(MAKE)... yes
checking for pkg-config... /usr/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking for gcc... gcc
checking whether the C compiler works... no
configure: error: in `/build/buildd/directfb-1.2.10.0/directfb-build':
configure: error: C compiler cannot create executables
See `config.log' for more details
make[1]: *** [override_dh_auto_configure] Error 77
make[1]: Leaving directory `/build/buildd/directfb-1.2.10.0'
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110414-1546
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/directfb-1.2.10.0