Sets construction variables for the Compaq Visual Fortran compiler.

FORTRAN FORTRANCOM FORTRANPPCOM SHFORTRANCOM SHFORTRANPPCOM OBJSUFFIX FORTRANMODDIR FORTRANMODDIRPREFIX FORTRANMODDIRSUFFIX FORTRANFLAGS SHFORTRANFLAGS _FORTRANMODFLAG _FORTRANINCFLAGS CPPFLAGS _CPPDEFFLAGS