diff --git a/lib/erl/src/Makefile.am b/lib/erl/src/Makefile.am
new file mode 100644
index 0000000..9d6fcdb
--- /dev/null
+++ b/lib/erl/src/Makefile.am
@@ -0,0 +1,83 @@
+# ----------------------------------------------------
+# Application version
+# ----------------------------------------------------
+
+APP_NAME=$(PACKAGE_NAME)
+VSN=$(PACKAGE_VERSION)
+
+# ----------------------------------------------------
+# FLAGS
+# ----------------------------------------------------
+
+ERL_FLAGS =
+ERL_INCLUDE = -I../include
+ERL_BEHAV_PATH = -pz ../ebin
+ERL_COMPILE_FLAGS = $(ERL_INCLUDE) $(ERL_BEHAV_PATH)
+
+EBIN ?= ../ebin
+ESRC ?= .
+EMULATOR = beam
+
+ERLC_WFLAGS = -W
+ERLC = erlc $(ERLC_WFLAGS) $(ERLC_FLAGS)
+ERL = erl -boot start_clean
+
+$(EBIN)/%.beam: $(ESRC)/%.erl
+	@echo "   ERLC  $<"
+	@$(ERLC) $(ERL_FLAGS) $(ERL_COMPILE_FLAGS) -o$(EBIN) $<
+
+.erl.beam:
+	$(ERLC) $(ERL_FLAGS) $(ERL_COMPILE_FLAGS) -o$(dir $@) $<
+
+# ----------------------------------------------------
+# Target Specs
+# ----------------------------------------------------
+
+MODULES = $(shell find . -name \*.erl | sed 's:^\./::' | sed 's/\.erl//')
+MODULES_STRING_LIST = $(shell find . -name \*.erl | sed 's:^\./::' | sed 's/\.erl/,/')
+BEHAV_MODULES = $(shell find . -name \*.erl | xargs grep -l behaviour_info | sed 's:^\./::' | sed 's/\.erl//')
+
+ERL_FILES= $(MODULES:%=%.erl)
+DOC_FILES=$(ERL_FILES)
+
+APP_FILE= $(APP_NAME).app
+APP_SRC= $(APP_FILE).src
+APP_TARGET= $(EBIN)/$(APP_FILE)
+
+BEAMS= $(MODULES:%=$(EBIN)/%.$(EMULATOR))
+BEHAV_BEAMS= $(BEHAV_MODULES:%=$(EBIN)/%.$(EMULATOR))
+TARGET_FILES= $(BEHAV_BEAMS) $(BEAMS) $(APP_TARGET) $(APPUP_TARGET)
+
+# ----------------------------------------------------
+# Targets
+# ----------------------------------------------------
+
+all debug opt: $(EBIN) $(TARGET_FILES)
+
+# Note: In the open-source build clean must not destroy the preloaded
+# beam files.
+clean:
+	rm -f $(TARGET_FILES)
+	rm -f *~
+	rm -f core
+	rm -rf $(EBIN)
+	rm -rf *html
+
+$(EBIN):
+	mkdir $(EBIN)
+
+dialyzer: $(TARGET_FILES)
+	dialyzer --src -r . $(ERL_INCLUDE)
+
+# ----------------------------------------------------
+# Special Build Targets
+# ----------------------------------------------------
+
+$(APP_TARGET): $(APP_SRC) $(BEAMS)
+	sed -e 's;%VSN%;$(VSN);' \
+		-e 's;%APP_NAME%;$(APP_NAME);' \
+		-e 's;%MODULES%;%MODULES%$(MODULES_STRING_LIST);' \
+		$< > $<".tmp"
+	sed -e 's/%MODULES%\(.*\),/\1/' \
+		$<".tmp" > $@
+	rm $<".tmp"