I was running fink and it said to report this:
configure: WARNING: krb5.h: present but cannot be compiled
configure: WARNING: krb5.h: check for missing prerequisite headers?
configure: WARNING: krb5.h: see the Autoconf documentation
configure: WARNING: krb5.h: section "Present But Cannot Be Compiled"
configure: WARNING: krb5.h: proceeding with the preprocessor's result
configure: WARNING: krb5.h: in the future, the compiler will take
precedence
configure: WARNING: ## ---------------------------------------- ##
configure: WARNING: ## Report this to pgsql-bugs@postgresql.org ##
configure: WARNING: ## ---------------------------------------- ##
--
Vincent