- when compiling on windows, override CC=gcc with CC=..../cl_wrapper.pl

and use the Python.h in the lib/windows/python/include directory.
  MSVC++ doesn't like linking with a gcc compiled frozen library.

intern/python/freeze/makemakefile.py

@@ -26,6 +26,11 @@ def makemakefile(outfp, makevars, files, target):
 		outfp.write("%s=%s\n" % (key, makevars[key]))
 
         outfp.write("\n\ninclude nan_definitions.mk\n")
+        outfp.write("ifeq ($(OS),windows)\n")
+        outfp.write("  CC=$(NANBLENDERHOME)/source/tools/cygwin/cl_wrapper.pl\n")
+        outfp.write("  CFLAGS=-I../../../../lib/windows/python/include/python2.2/ $(OPT)\n")
+        outfp.write("endif\n")
+
 	outfp.write("\nall: %s\n\n" % libtarget)
 
 	deps = []