diff -ur b/john-1.7.9-jumbo-5/src/Makefile a/john-1.7.9-jumbo-5/src/Makefile
--- john-1.7.9-jumbo-5-opencl-5/src/Makefile	2012-01-31 12:01:01.000000000 +0100
+++ john-1.7.9-jumbo-5-opencl-5-macosx/src/Makefile	2012-01-31 12:06:25.000000000 +0100
@@ -203,6 +203,7 @@
 	@echo "tru64-alpha              Tru64 (Digital UNIX, OSF/1), Alpha"
 	@echo "aix-ppc32                AIX, PowerPC 32-bit"
 	@echo "macosx-x86-64            Mac OS X 10.5+, Xcode 3.0+, x86-64 with SSE2 (best)"
+	@echo "macosx-x86-64-opencl     Mac OS X 10.5+, Xcode 3.0+, x86-64 with SSE2, OpenCL support"
 	@echo "macosx-x86-sse2          Mac OS X, x86 with SSE2"
 	@echo "macosx-ppc32-altivec     Mac OS X, PowerPC w/AltiVec (best)"
 	@echo "macosx-ppc32             Mac OS X, PowerPC 32-bit"
@@ -846,6 +847,16 @@
 		OPT_NORMAL="-O2" \
 		OPT_INLINE="-O3 -Q=99 -w"
 
+macosx-x86-64-opencl:
+	$(LN) x86-64.h arch.h
+	@echo "#define JOHN_BLD" '"'$@'"' > john_build_rule.h
+	$(MAKE) $(PROJ) \
+		JOHN_OBJS="$(JOHN_OBJS) $(OCL_OBJS) c3_fmt.o x86-64.o sse-intrinsics.o" \
+		ASFLAGS="$(ASFLAGS) -m64 -DUNDERSCORES -DBSD -DALIGN_LOG" \
+		CFLAGS="$(CFLAGS) -m64  -I$(NVIDIA_CUDA)/include -I$(ATISTREAMSDKROOT)/include  -DBSD -DCL_VERSION_1_0" \
+		LDFLAGS="$(LDFLAGS) -m64 -L$(ATISTREAMSDKROOT)/lib/x86_64 -L$(NVIDIA_CUDA)/lib64 -framework OpenCL"
+	/bin/sh ./setup-opencl-stuff.sh
+
 macosx-x86-64:
 	$(LN) x86-64.h arch.h
 	@echo "#define JOHN_BLD" '"'$@'"' > john_build_rule.h
diff -ur b/john-1.7.9-jumbo-5/src/NSLDAPS_opencl_fmt.c a/john-1.7.9-jumbo-5/src/NSLDAPS_opencl_fmt.c
--- john-1.7.9-jumbo-5-opencl-5/src/NSLDAPS_opencl_fmt.c	2012-01-31 12:01:01.000000000 +0100
+++ john-1.7.9-jumbo-5-opencl-5-macosx/src/NSLDAPS_opencl_fmt.c	2012-01-31 12:10:48.000000000 +0100
@@ -5,7 +5,13 @@
  */
 
 #include <string.h>
-#include <endian.h>
+
+#ifdef BSD
+	 // OSX 
+	 #include <architecture/byte_order.h>
+#else
+	 #include <endian.h>
+#endif
 
 
 #include "path.h"
diff -ur b/john-1.7.9-jumbo-5/src/c3_fmt.c a/john-1.7.9-jumbo-5/src/c3_fmt.c
--- john-1.7.9-jumbo-5-opencl-5/src/c3_fmt.c	2011-12-15 22:38:19.000000000 +0100
+++ john-1.7.9-jumbo-5-opencl-5-macosx/src/c3_fmt.c	2012-01-31 11:59:54.000000000 +0100
@@ -193,7 +193,10 @@
 		return 1;
 	}
 
-	if (id != 10 && !ldr_in_pot)
+	if (id != 10)
+#ifdef HAVE_CRYPT
+	if (!ldr_in_pot)
+#endif
 #ifdef HAVE_MPI
 	if (mpi_id == 0)
 #endif