Squeak VM compilation missing file?

Hi,
I'm trying to recompile the squeak vm from scratch which most information and steps are available from http://www.squeakvm.org/win32/compiling.html 

I'm facing this stop issue which there's a plugins.int make targer?

C:\SqueakVM\platforms\win32>make -f Makefile.mingw32
Makefile.mingw32:5: plugins/plugins.ext: No such file or directory
Makefile.mingw32:6: plugins/plugins.int: No such file or directory
make: *** No rule to make target `plugins/plugins.int'.  Stop.

Anyone care to explain on this?