use javac to locate java home, to find the jdk
win32 and win64 binaries, from Debian's mingw

$ acp mingw32 mingw32-binutils mingw32-runtime mingw-w64 mingw-w64-tools \
	| egrep '(^[a-z])|(\*\*\*)' \
	| sed -n 'N;s/\n//;s/\*\*\* //p'; \
	uname -a; \
	cat /etc/debian_version
mingw32: 4.2.1.dfsg-2 0
mingw32-binutils: 2.20-0.2 0
mingw32-runtime: 3.13-1 0
mingw-w64: 2.0.3-1 0
Linux deb 3.2.0-3-amd64 #1 SMP Thu Jun 28 09:07:26 UTC 2012 x86_64 GNU/Linux
wheezy/sid
Load the libs under Windows