Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
checking whether the Fortran compiler works... no
configure: error: in '/builddir/build/BUILD/arpack-3.9.1-build/arpack-3.9.1/src':
configure: error: Fortran compiler cannot create executables
See 'config.log' for more details
This is the error message produced by the configuration script which has failed.