anchor.diff:  
   
   
  -#ifdef gfortran
  +#ifdef __GFORTRAN__
         SUBROUTINE OrcaFlexUserPtfmLdFinalise()  BIND(C)
   #else
         SUBROUTINE OrcaFlexUserPtfmLdFinalise()  !!!BIND(C)
  
positive.code: 
     ABSTRACT INTERFACE      ! These are interfaces to the DLL
  
  #ifdef gfortran
        SUBROUTINE OrcaFlexUserPtfmLdInitialise(DT,TMax)   BIND(C)
  #else
        SUBROUTINE OrcaFlexUserPtfmLdInitialise(DT,TMax)   !!!BIND(C)
  
negative.code:       END SUBROUTINE OrcaFlexUserPtfmLdInitialise
  
  
  #ifdef __GFORTRAN__
        SUBROUTINE OrcaFlexUserPtfmLd( X, XD, ZTime, DirRoot, PtfmAM, PtfmFt) BIND(C)
  #else
        SUBROUTINE OrcaFlexUserPtfmLd( X, XD, ZTime, DirRoot, PtfmAM, PtfmFt) !!!BIND(C)
  