SVN make fails at undefined reference to `gnc_main_get_namespace_regexp'

[digger vermont]

Hello All,
	Make is failing with:

gcc -I../../.. -I../../../src -I../../../src/gnc-module
-I../../../src/test-core -I../../../src/engine
-I../../../src/engine/test-core -I../../../lib/libqof/qof -pthread
-I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -g -O2 -Wall
-Wunused -Wmissing-prototypes -Wmissing-declarations -Werror
-Wdeclaration-after-statement -Wno-pointer-sign -o .libs/test-link
test-link.o  ../.libs/libgncmod-engine.so ../../../lib/libqof/qof/.libs/libqof.so /usr/lib/libpopt.so -lm -Wl,--rpath -Wl,/usr/local/lib/gnucash -Wl,--rpath -Wl,/usr/local/lib
../.libs/libgncmod-engine.so: undefined reference to
`gnc_main_get_namespace_regexp'
collect2: ld returned 1 exit status

The svn revision is 12968 and it's failed at this spot for a few days I
believe.

The last revision I've successfully compiled was built 2006-01-20 from
r12910.

I've tried:
    make distclean
    ./autogen.sh
    ./configure --enable-error-on-warning --enable-compile-warnings
    make

My dist is debian unstable.

Any suggestions on what to do?

Thanks for any help,

digger