root@B-Mo:/usr/local/GMTSAR# ./configure --with-orbits-dir=/usr/local/orbits
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking target system type... x86_64-pc-linux-gnu
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking how to run the C preprocessor... gcc -E
checking for X... no
checking for gmtvector... 0
checking for less... less
checking for ar... ar
checking for csh... csh
checking for ld... ld
checking for gnutar... :
checking whether ln -s works... yes
checking for a BSD-compatible install... /usr/bin/install -c
checking for gawk... no
checking for mawk... mawk
checking for ranlib... ranlib
checking for LAPACK library... checking for g77... no
checking for xlf... no
checking for f77... no
checking for frt... no
checking for pgf77... no
checking for cf77... no
checking for fort77... no
checking for fl32... no
checking for af77... no
checking for xlf90... no
checking for f90... no
checking for pgf90... no
checking for pghpf... no
checking for epcf90... no
checking for gfortran... no
checking for g95... no
checking for xlf95... no
checking for f95... no
checking for fort... no
checking for ifort... no
checking for ifc... no
checking for efc... no
checking for pgfortran... no
checking for pgf95... no
checking for lf95... no
checking for ftn... no
checking for nagfor... no
checking whether we are using the GNU Fortran 77 compiler... no
checking whether  accepts -g... no
checking how to get verbose linking output from ... configure: WARNING: compilation failed

checking for Fortran 77 libraries of ... 
checking for dummy main to link with Fortran 77 libraries... none
checking for Fortran 77 name-mangling scheme... configure: error: in `/usr/local/GMTSAR':
configure: error: cannot compile a simple Fortran program
See `config.log' for more details