libapache2-mod-auth-openid version 0.5-1 failed to build on i386

libapache2-mod-auth-openid version 0.5-1 failed to build on i386
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110329/+buildjob/2398680

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110329/+buildjob/2398680/+files/buildlog_ubuntu-natty-i386.libapache2-mod-auth-openid_0.5-1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1211 lines into the build log:

libtool: compile: g++ -DHAVE_CONFIG_H -I. -I/usr/include/apache2 -I/usr/include/apr-1.0 -I/usr/include/uuid -L/usr/lib -g -O2 -c MoidConsumer.cpp -fPIC -DPIC -o .libs/MoidConsumer.o
libtool: compile: g++ -DHAVE_CONFIG_H -I. -I/usr/include/apache2 -I/usr/include/apr-1.0 -I/usr/include/uuid -L/usr/lib -g -O2 -c MoidConsumer.cpp -o MoidConsumer.o >/dev/null 2>&1
/bin/bash ./libtool --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H -I. -I/usr/include/apache2 -I/usr/include/apr-1.0 -I/usr/include/uuid -L/usr/lib -g -O2 -c -o moid_utils.lo moid_utils.cpp
libtool: compile: g++ -DHAVE_CONFIG_H -I. -I/usr/include/apache2 -I/usr/include/apr-1.0 -I/usr/include/uuid -L/usr/lib -g -O2 -c moid_utils.cpp -fPIC -DPIC -o .libs/moid_utils.o
libtool: compile: g++ -DHAVE_CONFIG_H -I. -I/usr/include/apache2 -I/usr/include/apr-1.0 -I/usr/include/uuid -L/usr/lib -g -O2 -c moid_utils.cpp -o moid_utils.o >/dev/null 2>&1
/bin/bash ./libtool --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H -I. -I/usr/include/apache2 -I/usr/include/apr-1.0 -I/usr/include/uuid -L/usr/lib -g -O2 -c -o http_helpers.lo http_helpers.cpp
libtool: compile: g++ -DHAVE_CONFIG_H -I. -I/usr/include/apache2 -I/usr/include/apr-1.0 -I/usr/include/uuid -L/usr/lib -g -O2 -c http_helpers.cpp -fPIC -DPIC -o .libs/http_helpers.o
libtool: compile: g++ -DHAVE_CONFIG_H -I. -I/usr/include/apache2 -I/usr/include/apr-1.0 -I/usr/include/uuid -L/usr/lib -g -O2 -c http_helpers.cpp -o http_helpers.o >/dev/null 2>&1
/bin/bash ./libtool --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H -I. -I/usr/include/apache2 -I/usr/include/apr-1.0 -I/usr/include/uuid -L/usr/lib -g -O2 -c -o SessionManager.lo SessionManager.cpp
libtool: compile: g++ -DHAVE_CONFIG_H -I. -I/usr/include/apache2 -I/usr/include/apr-1.0 -I/usr/include/uuid -L/usr/lib -g -O2 -c SessionManager.cpp -fPIC -DPIC -o .libs/SessionManager.o
libtool: compile: g++ -DHAVE_CONFIG_H -I. -I/usr/include/apache2 -I/usr/include/apr-1.0 -I/usr/include/uuid -L/usr/lib -g -O2 -c SessionManager.cpp -o SessionManager.o >/dev/null 2>&1
/bin/bash ./libtool --tag=CXX --mode=link g++ -g -O2 -L/usr/lib/i386-linux-gnu -lopkele -lcurl -lexpat -ltidy -lssl -lcrypto -luuid -I/usr/include -lsqlite3 -lpcre -lcurl -Wl,-Bsymbolic-functions -L/usr/lib -lapr-1 -Wl,-Bsymbolic-functions -o libmodauthopenid.la mod_auth_openid.lo MoidConsumer.lo moid_utils.lo http_helpers.lo SessionManager.lo -lpcre
libtool: link: ar cru .libs/libmodauthopenid.a .libs/mod_auth_openid.o .libs/MoidConsumer.o .libs/moid_utils.o .libs/http_helpers.o .libs/SessionManager.o
libtool: link: ranlib .libs/libmodauthopenid.a
libtool: link: ( cd ".libs" && rm -f "libmodauthopenid.la" && ln -s "../libmodauthopenid.la" "libmodauthopenid.la" )
g++ -DHAVE_CONFIG_H -I. -I/usr/include/apache2 -I/usr/include/apr-1.0 -I/usr/include/uuid -L/usr/lib -g -O2 -c -o db_info.o db_info.cpp
/bin/bash ./libtool --tag=CXX --mode=link g++ -g -O2 -lmodauthopenid -Wl,-Bsymbolic-functions -o db_info db_info.o -lpcre
libtool: link: cannot find the library `/usr/lib/libexpat.la' or unhandled argument `/usr/lib/libexpat.la'
make[2]: *** [db_info] Error 1
make[2]: Leaving directory `/build/buildd/libapache2-mod-auth-openid-0.5'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/libapache2-mod-auth-openid-0.5'
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 20110403-1026
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/libapache2-mod-auth-openid-0.5