diff --git a/Makefile b/Makefile
index de77f4f..b867009 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,14 @@
-# stub
-
-
-.PHONY: all regenerate-asn1
+.PHONY: all regenerate-asn1 clean
 
 all:
-	exit 1
+	$(MAKE) -C asn1-compiled
+	$(MAKE) -C src
 
 regenerate-asn1:
 	rm -f asn1-compiled/*
 	(cd asn1-compiled && asn1c -fskeletons-copy ../asn1/tcap.asn)
+	ln -s ../asn1/Makefile.compiled asn1-compiled/Makefile
+
+clean:
+	$(MAKE) -C asn1-compiled lib-clean
+	$(MAKE) -C src clean
diff --git a/asn1-compiled/Makefile b/asn1-compiled/Makefile
new file mode 120000
index 0000000..1328844
--- /dev/null
+++ b/asn1-compiled/Makefile
@@ -0,0 +1 @@
+../asn1/Makefile.compiled
\ No newline at end of file
diff --git a/asn1/Makefile.compiled b/asn1/Makefile.compiled
new file mode 100644
index 0000000..0e10178
--- /dev/null
+++ b/asn1/Makefile.compiled
@@ -0,0 +1,17 @@
+.PHONY: all lib clean lib-clean
+
+LIBNAME=libtcap-asn.a
+
+CFLAGS=-g -Wall -O3
+
+lib: $(LIBNAME)
+
+include Makefile.am.sample
+
+LIB_OBJS=${ASN_MODULE_SOURCES:.c=.o}
+
+$(LIBNAME): $(LIB_OBJS)
+	ar cr $(LIBNAME) $(LIB_OBJS)
+
+lib-clean: clean
+	rm -f $(LIBNAME)
diff --git a/src/.gitignore b/src/.gitignore
new file mode 100644
index 0000000..45d62d8
--- /dev/null
+++ b/src/.gitignore
@@ -0,0 +1 @@
+*.sw?
diff --git a/src/Makefile b/src/Makefile
new file mode 100644
index 0000000..6cf7af6
--- /dev/null
+++ b/src/Makefile
@@ -0,0 +1,21 @@
+LIBNAME=libtcap
+VERSION=0
+
+CC=gcc
+CFLAGS=-I../asn1-compiled -g -Wall -O3 -fPIC
+LDFLAGS=-O3 -shared -fPIC -Wl,-soname,$(LIBNAME).so.$(VERSION)
+
+OBJS=tcap.o
+
+
+.PHONY: all clean
+
+
+all: $(LIBNAME).so
+
+$(LIBNAME).so: $(OBJS) ../asn1-compiled/libtcap-asn.a
+	$(CC) -o $@ $(OBJS) $(LDFLAGS)
+
+clean:
+	rm -f $(OBJS)
+	rm -f $(LIBNAME).so
diff --git a/src/tcap.c b/src/tcap.c
new file mode 100644
index 0000000..1d851c8
--- /dev/null
+++ b/src/tcap.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+#include "TCMessage.h"
+
+
+
+
+TCMessage_t *tcap_decode(const char *buf, size_t len) {
+	TCMessage_t *ret = NULL;
+	asn_dec_rval_t rv;
+
+	rv = ber_decode(0, &asn_DEF_TCMessage, (void **) &ret, buf, len);
+
+	if (rv.code == RC_OK)
+		return ret;
+
+	asn_DEF_TCMessage.free_struct(&asn_DEF_TCMessage, ret, 0);
+	return NULL;
+}