diff --git a/src/Make_bc5.mak b/src/Make_bc5.mak
index c3ddf00..739fc62 100644
--- a/src/Make_bc5.mak
+++ b/src/Make_bc5.mak
@@ -44,6 +44,9 @@
 # PYTHON	define to path to Python dir to get PYTHON support (not defined)
 #   PYTHON_VER	    define to version of Python being used (22)
 #   DYNAMIC_PYTHON  no or yes: use yes to load the Python DLL dynamically (no)
+# PYTHON3	define to path to Python3 dir to get PYTHON3 support (not defined)
+#   PYTHON3_VER	    define to version of Python3 being used (31)
+#   DYNAMIC_PYTHON3  no or yes: use yes to load the Python3 DLL dynamically (no)
 # TCL		define to path to TCL dir to get TCL support (not defined)
 #   TCL_VER	define to version of TCL being used (83)
 #   DYNAMIC_TCL no or yes: use yes to load the TCL DLL dynamically (no)
@@ -141,6 +144,9 @@
 ### PYTHON: uncomment this line if you want python support in vim
 # PYTHON=c:\python22
 
+### PYTHON3: uncomment this line if you want python3 support in vim
+# PYTHON3=c:\python31
+
 ### RUBY: uncomment this line if you want ruby support in vim
 # RUBY=c:\ruby
 
@@ -207,6 +213,7 @@
 !if ("$(FASTCALL)"=="") && \
 	("$(LUA)"=="") && \
 	("$(PYTHON)"=="") && \
+	("$(PYTHON3)"=="") && \
 	("$(PERL)"=="") && \
 	("$(TCL)"=="") && \
 	("$(RUBY)"=="") && \
@@ -328,8 +335,14 @@
 !endif
 
 !ifdef PYTHON
+!ifdef PYTHON3
+DYNAMIC_PYTHON=yes
+DYNAMIC_PYTHON3=yes
+!endif
+!endif
+
+!ifdef PYTHON
 INTERP_DEFINES = $(INTERP_DEFINES) -DFEAT_PYTHON
-INCLUDE = $(PYTHON)\include;$(INCLUDE)
 !ifndef PYTHON_VER
 PYTHON_VER = 22
 !endif
@@ -339,6 +352,18 @@
 !endif
 !endif
 
+!ifdef PYTHON3
+INTERP_DEFINES = $(INTERP_DEFINES) -DFEAT_PYTHON3
+!ifndef PYTHON3_VER
+PYTHON3_VER = 31
+!endif
+!if "$(DYNAMIC_PYTHON3)" == "yes"
+INTERP_DEFINES = $(INTERP_DEFINES) -DDYNAMIC_PYTHON3 -DDYNAMIC_PYTHON3_DLL=\"python$(PYTHON3_VER).dll\"
+PYTHON3_LIB_FLAG = /nodefaultlib:
+!endif
+!endif
+
+
 !ifdef RUBY
 !ifndef RUBY_VER
 RUBY_VER = 16
@@ -618,6 +643,11 @@
     $(OBJDIR)\if_python.obj
 !endif
 
+!ifdef PYTHON3
+vimobj = $(vimobj) \
+    $(OBJDIR)\if_python3.obj
+!endif
+
 !ifdef RUBY
 vimobj = $(vimobj) \
     $(OBJDIR)\if_ruby.obj
@@ -734,6 +764,12 @@
 MSG = $(MSG)(dynamic)
 ! endif
 !endif
+!ifdef PYTHON3
+MSG = $(MSG) PYTHON3
+! if "$(DYNAMIC_PYTHON3)" == "yes"
+MSG = $(MSG)(dynamic)
+! endif
+!endif
 !ifdef RUBY
 MSG = $(MSG) RUBY
 ! if "$(DYNAMIC_RUBY)" == "yes"
@@ -827,6 +863,9 @@
 !ifdef PYTHON
 	-@del python.lib
 !endif
+!ifdef PYTHON3
+	-@del python3.lib
+!endif
 !ifdef RUBY
 	-@del ruby.lib
 !endif
@@ -867,6 +906,9 @@
 !ifdef PYTHON
 	$(PYTHON_LIB_FLAG)python.lib+
 !endif
+!ifdef PYTHON3
+	$(PYTHON3_LIB_FLAG)python3.lib+
+!endif
 !ifdef RUBY
 	$(RUBY_LIB_FLAG)ruby.lib+
 !endif
@@ -919,6 +961,9 @@
 !ifdef PYTHON
 	$(PYTHON_LIB_FLAG)python.lib+
 !endif
+!ifdef PYTHON3
+	$(PYTHON3_LIB_FLAG)python3.lib+
+!endif
 !ifdef RUBY
 	$(RUBY_LIB_FLAG)ruby.lib+
 !endif
@@ -962,7 +1007,10 @@
 	    $(PERL)\lib\ExtUtils\typemap if_perl.xs > $@
 
 $(OBJDIR)\if_python.obj: if_python.c python.lib
-	$(CC) $(CCARG) $(CC1) $(CC2)$@ -pc if_python.c
+	$(CC) -I$(PYTHON)\include $(CCARG) $(CC1) $(CC2)$@ -pc if_python.c
+
+$(OBJDIR)\if_python3.obj: if_python3.c python3.lib
+	$(CC) -I$(PYTHON3)\include $(CCARG) $(CC1) $(CC2)$@ -pc if_python3.c
 
 $(OBJDIR)\if_ruby.obj: if_ruby.c ruby.lib
 	$(CC) $(CCARG) $(CC1) $(CC2)$@ -pc if_ruby.c
@@ -1017,6 +1065,9 @@
 python.lib: $(PYTHON)\libs\python$(PYTHON_VER).lib
 	coff2omf $(PYTHON)\libs\python$(PYTHON_VER).lib $@
 
+python3.lib: $(PYTHON3)\libs\python$(PYTHON3_VER).lib
+	coff2omf $(PYTHON3)\libs\python$(PYTHON3_VER).lib $@
+
 ruby.lib: $(RUBY)\lib\$(RUBY_INSTALL_NAME).lib
 	coff2omf $(RUBY)\lib\$(RUBY_INSTALL_NAME).lib $@
 
@@ -1065,3 +1116,4 @@
 | $@
 
 # vi:set sts=4 sw=4:
+