gsm port fails to configure

---> Fetching gmp ---> Attempting to fetch gmp-4.2.1.tar.bz2 from http://ftp.gnu.org/gnu/gmp ---> Verifying checksum(s) for gmp ---> Extracting gmp ---> Configuring gmp Error: Target com.apple.configure returned: can't read "configure.cflags": no such variable Error: The following dependencies failed to build: gmp mpfr Error: Status 1 encountered during processing.