diff -ruN /Users/lhunath/.src/scrypt/Makefile ./Makefile
--- /Users/lhunath/.src/scrypt/Makefile	2014-05-02 11:28:58.000000000 -0400
+++ ./Makefile	2014-05-02 12:07:27.000000000 -0400
@@ -2,11 +2,11 @@
 VER?=	nosse
 SRCS=	main.c
 LDADD+=	-lcrypto
-WARNS?=	6
+WARNS?=	0
 
 # We have a config file for FreeBSD
 CFLAGS	+=	-I .
-CFLAGS	+=	-DCONFIG_H_FILE=\"config_freebsd.h\"
+CFLAGS	+=	-DCONFIG_H_FILE=\"config_osx.h\"
 
 # Include all possible object files containing built scrypt code.
 CLEANFILES	+=	crypto_scrypt-ref.o
diff -ruN /Users/lhunath/.src/scrypt/lib/util/memlimit.c ./lib/util/memlimit.c
--- /Users/lhunath/.src/scrypt/lib/util/memlimit.c	2014-05-02 11:28:58.000000000 -0400
+++ ./lib/util/memlimit.c	2014-05-02 11:52:42.000000000 -0400
@@ -75,7 +75,7 @@
 	 * have returned to us.
 	 */
 	if (usermemlen == sizeof(uint64_t))
-		usermem = *(uint64_t *)usermembuf;
+		usermem = *(uint64_t *)(void *)usermembuf;
 	else if (usermemlen == sizeof(uint32_t))
 		usermem = SIZE_MAX;
 	else
diff -ruN /Users/lhunath/.src/scrypt/lib/util/memlimit.c ./lib/util/memlimit.c
--- /Users/lhunath/.src/scrypt/config_osx.h	1969-12-31 19:00:00.000000000 -0500
+++ config_osx.h	2014-05-02 12:06:55.000000000 -0400
@@ -0,0 +1,5 @@
+/* A default configuration for FreeBSD, used if there is no config.h. */
+
+#define HAVE_POSIX_MEMALIGN 1
+#define HAVE_SYSCTL_HW_USERMEM 1
+#define HAVE_SYS_PARAM_H 1