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HF77(1) 				    LAM TOOLS					  HF77(1)

       hf77, mpif77 - Compile LAM FORTRAN programs.

       hf77 [-showme] ...

       see f77(1) (or whatever your underlying FORTRAN compiler is) for all other options.

       hf77 is a convenience wrapper for the local native FORTRAN compiler.  Translation of a LAM
       program requires the linkage of the LAM essential services libraries which may not  reside
       in  one	of  the standard search directories of ld(1).  hf77 passes its arguments along to
       the local native FORTRAN compiler along with the -L and -l  options  required  by  LAM/MPI
       programs.   This  includes all necessary options for ROMIO and/or C++ bindings support (if
       ROMIO/C++ support was included when LAM was compiled).

       mpif77 is now the same as hf77.	See the NOTES section, below.

       By default, hf77 uses the FORTRAN compiler that was selected when LAM was configured (with
       the  --with-fc  flag to ./configure) as the local native FORTRAN compiler, but this can be
       overridden by the LAMHF77 environment variable.

	      Does not invoke the underlying FORTRAN compiler.	Instead,  it  shows  the  command
	      line that would be executed to compile the FORTRAN program.

       Previous  versions  of  hf77 did not automatically link in the MPI library.  Starting with
       LAM version 6.3, since hf77 has become the de facto LAM FORTRAN compiler, the -lmpi option
       is now automatically passed to the underlying compiler when linking LAM/MPI programs.

       Previous versions of LAM included the mpif77 wrapper script to automatically pass -lmpi to
       hf77.  This script is now obsolete since hf77 now includes -lmpi automatically.	mpif77 is
       now a symbolic link to hf77 to ensure backward compatibility.

       f77(1), ld(1), lam-helpfile(1)

LAM 6.5.8				  November, 2002				  HF77(1)
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