Need to upgrade gfortran for installing CHARMM 3rd party package

Solution Verified - Updated -

Issue

  • Getting below error while install CHARMM (c34b2 version) in the machine :
        /usr/bin/ld: skipping incompatible
        /usr/lib/gcc/x86_64-redhat-linux/4.1.2/libgfortranbegin.a when searching for -lgfortranbegin
        /usr/bin/ld: cannot find -lgfortranbegin
        collect2: ld returned 1 exit status
        make: *** [/usr/local/c34b2/exec/gnu/charmm] Error 1
  • How do I upgrade gcc-gfortran?

Environment

  • Red Hat Enterprise Linux 5

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