diff --git a/DFINC.MAK b/DFINC.MAK
new file mode 100644
index 000000000..08c8f9b16
--- /dev/null
+++ b/DFINC.MAK
@@ -0,0 +1,87 @@
+#+
+# DFINC.MAK - Visual Fortran application master NMAKE definitions file
+#
+# This software DFINC.MAK is part of the Visual Fortran kit.
+# 
+# This file should be included at the top of all MAKEFILEs as follows:
+#  !include <dfinc.mak>
+# 
+# NMAKE Options:
+#
+# Use the table below to determine the additional options for NMAKE
+# Application Information Type         Invoke NMAKE
+# ----------------------------         ------------
+# For Debugging Info                   nmake debug=1
+# For linker map                       nmake linkmap=1
+# For linking with the DLLs            nmake linkdll=1
+#-
+
+# Set the defaults for all the MSVCxx versions
+
+crtimplib=msvcrt.lib
+
+!IFNDEF link
+link = link
+!ENDIF
+!IFNDEF libr
+libr = lib
+!ENDIF
+
+# Define the compiler verbs.
+FOR = df
+
+# Macros for the compiler
+!IFDEF DEBUG
+df_debug =  /debug:full
+lnk_debug = /debug:full /debugtype:both
+!ELSE
+df_debug =
+lnk_debug = /debug:none
+!ENDIF
+
+!IFDEF LINKDLL
+df_dll   = /call_dll
+dflibs   = dfordll.lib $(crtimplib) kernel32.lib
+!ELSE
+df_dll   =
+dflibs   = dfor.lib libc.lib kernel32.lib
+!ENDIF
+
+fflags    = $(df_debug) $(df_dll) 
+
+# Macros for the FPP Preprocesor 
+fppflags =
+fpp = $(FOR) $(fflags) /fpp="$(fppflags)"
+
+# Macros for the linker.
+!IFDEF LINKMAP
+lflags = /map:$(*B).map $(lflags)
+!ELSE
+lflags = $(lflags)
+!ENDIF
+
+# SUFFIXES list
+.SUFFIXES: .exe .obj .asm .c .bas .cbl .fpp .for .f90 .pas .res .rc 
+
+# Define the inference rules
+.obj.exe:
+   $(FOR) $(df_dll) $(df_debug) /link $(lflags) $(lnk_debug) $*.obj 
+
+.for.exe:
+   $(FOR) $(fflags) $*.for /link $(lflags)
+
+.f90.exe:
+   $(FOR) $(fflags) $*.f90 /link $(lflags)
+
+.fpp.exe:
+   $(fpp) $*.fpp /link $(lflags)
+
+.for.obj:
+   $(FOR) $(df_debug) $*.for /nolink /object:$@
+
+.f90.obj:
+   $(FOR) $(df_debug) $*.f90 /nolink /object:$@
+
+.fpp.obj:
+   $(FOR) $(df_debug) /nolink /object:$@ /fpp:"$(fppflags)" $*.fpp
+