diff --git a/INSTALL b/INSTALL
new file mode 100644
index 0000000..a818d6b
--- /dev/null
+++ b/INSTALL
@@ -0,0 +1,7 @@
+Linux:
+make vanitygen
+make oclvanitygen
+
+OSX:
+make -f Makefile.osx vanitygen
+make -f Makefile.osx vanitygen
\ No newline at end of file
diff --git a/Makefile.osx b/Makefile.osx
new file mode 100644
index 0000000..a16ddda
--- /dev/null
+++ b/Makefile.osx
@@ -0,0 +1,16 @@
+LIBS=-lpcre -lcrypto -lm -lpthread
+CFLAGS=-ggdb -O3 -Wall
+OBJS=vanitygen.o oclvanitygen.o pattern.o
+PROGS=vanitygen
+TESTS=
+
+all: $(PROGS)
+
+vanitygen: vanitygen.o pattern.o
+	$(CC) $^ -o $@ $(CFLAGS) $(LIBS)
+
+oclvanitygen: oclvanitygen.o pattern.o
+	$(CC) $^ -o $@ $(CFLAGS) $(LIBS) -framework OpenCL
+
+clean:
+	rm -f $(OBJS) $(PROGS) $(TESTS)
diff --git a/oclvanitygen.c b/oclvanitygen.c
index 882ce54..d123ff0 100644
--- a/oclvanitygen.c
+++ b/oclvanitygen.c
@@ -28,7 +28,14 @@
 #include <openssl/rand.h>
 #include <openssl/md5.h>
 
+#ifdef __APPLE__
+#include <OpenCL/cl.h>
+#ifndef CL_CALLBACK
+#define CL_CALLBACK
+#endif
+#else
 #include <CL/cl.h>
+#endif
 
 #include "pattern.h"