On 08/16/2012 07:31 PM, Ron Stubbs wrote: > fortran/arith.o: In function `gfc_mpfr_to_mpz(__mpz_struct*, > __mpfr_struct*, locus*)': > arith.c:(.text+0x1169): undefined reference to `mpfr_get_z_2exp' > > The system is running Scientific Linux 6.2 with the standard libmpfr > package, mpfr-2.4.1-6.el6.x86_64, installed. > > Thereis no mpfr_get_z_2exp in /usr/lib64/libmpfr.so.1.2.0, although > there is mpfr_get_z_exp in it. > > Is the prerequiste mpfr-2.4+ correct? Or do I need a later version the > the mpfr library? Go into the top-level gcc srcdir and type: ./contrib/download_prerequisites Andrew.