bind 9.x.x

i am trying to compile the latest bind (9.1.3) on my own and always run into the same errors. I have done the 'cp /usr/libexec/config.*' and all and have 'setenv CC cc' and 'setenv -CPPFLAGS -traditional-cpp' in my .cshrc. This is what I get when trying to make bind:
/usr/bin/ld: Undefined symbols:
_pthread_sigmask
make[2]: *** [named] Error 1
make[1]: *** [subdirs] Error 1
make: *** [subdirs] Error 1

Any suggestions, help, etc? Thanks!

Make sure you do NOT have -lpthread in your makefile. if you dont have it in ther already add --without-threads to your configure and recompile. (remove config.cache first)