diff --git a/.private/bm.sh b/.private/bm.sh
new file mode 100644
index 0000000..217baf8
--- /dev/null
+++ b/.private/bm.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+# produce the MinGW binary files for snapshots
+# !!!THIS SCRIPT IS FOR INTERNAL DEVELOPER USE ONLY!!!
+
+PWD=`pwd`
+cd ..
+date=`date +%Y.%m.%d`
+target=e:/dailies/$date
+mkdir -p $target/include/libusbx-1.0
+cp -v libusb/libusb-1.0.def $target
+cp -v libusb/libusb.h $target/include/libusbx-1.0
+
+#
+# 32 bit binaries
+#
+target=e:/dailies/$date/MinGW32
+git clean -fdx
+# Not using debug (-g) in CFLAGS DRAMATICALLY reduces the size of the binaries
+export CFLAGS="-O2 -m32"
+export LDFLAGS="-m32"
+export RCFLAGS="--target=pe-i386"
+export DLLTOOLFLAGS="-m i386 -f --32"
+echo `pwd`
+(glibtoolize --version) < /dev/null > /dev/null 2>&1 && LIBTOOLIZE=glibtoolize || LIBTOOLIZE=libtoolize
+$LIBTOOLIZE --copy --force || exit 1
+aclocal || exit 1
+autoheader || exit 1
+autoconf || exit 1
+automake -a -c || exit 1
+./configure
+make -j2
+mkdir -p $target/static
+mkdir -p $target/dll
+cp -v libusb/.libs/libusb-1.0.a $target/static
+cp -v libusb/.libs/libusb-1.0.dll $target/dll
+cp -v libusb/.libs/libusb-1.0.dll.a $target/dll
+make clean -j2
+
+#
+# 64 bit binaries
+#
+target=e:/dailies/$date/MinGW64
+export CFLAGS="-O2"
+export LDFLAGS=""
+export RCFLAGS=""
+export DLLTOOLFLAGS=""
+./configure
+make -j2
+mkdir -p $target/static
+mkdir -p $target/dll
+cp -v libusb/.libs/libusb-1.0.a $target/static
+cp -v libusb/.libs/libusb-1.0.dll $target/dll
+cp -v libusb/.libs/libusb-1.0.dll.a $target/dll
+cd $PWD
\ No newline at end of file