Can't build harfbuzz in HEAD

[newhouse%gandpline.com@localhost (Paul Newhouse)]

NetBSD mail 5.0.2 NetBSD 5.0.2 (MAIL) #5: Tue Apr 26 17:38:29 PDT 2011  
root@mail:/usr/src/BUILD_OBJ/sys/arch/i386/compile/MAIL i386

Ran "cvs update -Pd" minutes before encountering this:



CXXLD  main
./.libs/libharfbuzz.so: undefined reference to `__sync_bool_compare_and_swap_4'
./.libs/libharfbuzz.so: undefined reference to `__sync_fetch_and_add_4'
gmake[4]: *** [main] Error 1
gmake[4]: Leaving directory 
`/usr/pkgsrc/fonts/harfbuzz/work/harfbuzz-0.9.15/src'
gmake[3]: *** [all-recursive] Error 1
gmake[3]: Leaving directory 
`/usr/pkgsrc/fonts/harfbuzz/work/harfbuzz-0.9.15/src'
gmake[2]: *** [all] Error 2
gmake[2]: Leaving directory 
`/usr/pkgsrc/fonts/harfbuzz/work/harfbuzz-0.9.15/src'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/pkgsrc/fonts/harfbuzz/work/harfbuzz-0.9.15'
gmake: *** [all] Error 2
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/fonts/harfbuzz
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/fonts/harfbuzz
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/fonts/harfbuzz


TIA,
Paul