diff --git a/.gitmodules b/.gitmodules
index ccbbc41..3059a39 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
-[submodule "shmalloc"]
-	path = shmalloc
-	url = https://github.com/MihirLuthra/shmalloc.git
+[submodule "shm_alloc"]
+	path = shm_alloc
+	url = https://github.com/MihirLuthra/shm_alloc.git
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..abc886b
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,24 @@
+CC=clang
+
+CFLAGS= -D DEBUG_SHM=0 -I shm_alloc -Wall -D USE_SHARED_MEMORY  -D DEBUG_DIR=\"debug\" -fsanitize=address
+
+ctrie_multiprocess_test.out: ctrie_multiprocess_test.c libctrie.so Makefile libshm_alloc.so
+	$(CC) $(CFLAGS) -o $@ ctrie_multiprocess_test.c -L. -lctrie -lshm_alloc
+
+libctrie.so: ctrie.c ctrie.h libshm_alloc.so
+	$(CC) $(CFLAGS) -fPIC -shared -o $@ ctrie.c -L. -Lshm_alloc -lc -lshm_alloc
+
+libshm_alloc.so: shm_alloc/shm_alloc.c shm_alloc/shm_alloc.h  shm_alloc/shm_err.h libshm_util_funcs.so libshm_debug.so libshm_constants.so Makefile
+	$(CC) $(CFLAGS) -fPIC -shared -o $@ shm_alloc/shm_alloc.c -lc -L. -lshm_util_funcs -lshm_constants -lshm_debug
+
+libshm_debug.so: shm_alloc/shm_debug.h shm_alloc/shm_debug.c Makefile
+	$(CC) $(CFLAGS) -fPIC -shared -o $@ shm_alloc/shm_debug.c -lc
+
+libshm_util_funcs.so: shm_alloc/shm_util_funcs.h shm_alloc/shm_util_funcs.c libshm_constants.so libshm_debug.so shm_alloc/shm_types.h Makefile
+	$(CC) $(CFLAGS) -fPIC -shared -o $@ shm_alloc/shm_util_funcs.c -lc -L. -lshm_constants -lshm_debug
+
+libshm_constants.so: shm_alloc/shm_constants.h shm_alloc/shm_constants.c Makefile
+	$(CC) $(CFLAGS) -fPIC -shared -o $@ shm_alloc/shm_constants.c -lc
+
+clean:
+	rm *.so shm_file *.out .*.swp *.dbgfl
diff --git a/ctrie.h b/ctrie.h
index f9b269f..f729b9e 100644
--- a/ctrie.h
+++ b/ctrie.h
@@ -33,10 +33,10 @@
 #include <stdint.h>
 
 #if defined(USE_SHARED_MEMORY)
-#include <shmalloc.h>
+#include <shm_alloc.h>
 
-#define PTR(type) size_t
-#define DEREF(ptr, output_type) (*((output_type*) (((char*) shm_base()) + ptr)))
+#define PTR(type)  shm_offt
+#define DEREF(ptr, output_type) (*((output_type*) (((char*) get_shm_user_base()) + ptr)))
 #else /* defined(USE_SHARED_MEMORY) */
 #define PTR(type) type*
 #define DEREF(ptr, output_type) (*((output_type*) ptr))
diff --git a/shm_alloc b/shm_alloc
new file mode 160000
index 0000000..0e01b1c
--- /dev/null
+++ b/shm_alloc
@@ -0,0 +1 @@
+Subproject commit 0e01b1ce9e13f8baedf94cdece6bf5140901728d
diff --git a/shmalloc b/shmalloc
deleted file mode 160000
index c7a4e73..0000000
--- a/shmalloc
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit c7a4e73e36b707124004489877c8a476b2bd6547