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 wg#1 SMP Thu Jun 28 09:07:26 UTC 2012 x86_64 GNU/Linux
wheezy/sid

Makefile

@@ -10,6 +10,18 @@ ifeq ($(TARGET), darwin)
 	DYLIB     := dylib
 	LDFLAGS	  := -dynamiclib -Wl,-undefined -Wl,dynamic_lookup -Wl,-single_module
 	CFLAGS    += -I $(JAVA_HOME)/Headers/
+else ifeq ($(TARGET), win32)
+	DYLIB     := dll
+	LDFLAGS   := -shared
+	CC        := i586-mingw32msvc-cc
+	SSE2      :=
+	CFLAGS    += -I $(JAVA_HOME)/include -I $(JAVA_HOME)/include/$(TARGET) -DNO_HAVE_POSIX_MEMALIGN
+else ifeq ($(TARGET), win64)
+	DYLIB     := dll
+	LDFLAGS   := -shared
+	CC        := i686-w64-mingw32-gcc
+	SSE2      :=
+	CFLAGS    += -fPIC -I $(JAVA_HOME)/include -I $(JAVA_HOME)/include/$(TARGET) -DNO_HAVE_POSIX_MEMALIGN
 else
 	DYLIB     := so
 	LDFLAGS   := -shared

src/main/c/crypto_scrypt-nosse.c

@@ -29,7 +29,10 @@
 #include "scrypt_platform.h"
 
 #include <sys/types.h>
+
+#ifdef HAVE_POSIX_MEMALIGN
 #include <sys/mman.h>
+#endif
 
 #include <errno.h>
 #include <stdint.h>

src/main/include/config.h

@@ -2,8 +2,10 @@
 #define HAVE_MMAP 1
 
 #ifndef __ANDROID__
+#ifndef NO_HAVE_POSIX_MEMALIGN
 #define HAVE_POSIX_MEMALIGN 1
 #endif
+#endif
 
 #ifdef __ANDROID__
 #include <sys/limits.h>