--- Makefile.orig	2016-02-05 14:41:31.862198725 -0700
+++ Makefile	2016-02-04 21:46:14.618379630 -0700
@@ -46,7 +46,7 @@ ARCHFLAGS := $(ARCHFLAGS)
 
 OPTFLAGS  ?= -g -O
 
-CFLAGS    += -Wall -Wno-unused-function -Wno-write-strings -Wno-sign-compare $(ARCHFLAGS)
+CFLAGS    += -Wno-unused-function $(OPTFLAGS) $(ARCHFLAGS) -Isrc
 ifneq ($(findstring arm,$(shell uname -m)),)
 	CFLAGS += -DABC_MEMALIGN=4
 endif
@@ -186,6 +186,12 @@ $(PROG): $(OBJ)
 	@echo "$(MSG_PREFIX)\`\` Building binary:" $(notdir $@)
 	$(VERBOSE)$(LD) -o $@ $^ $(LIBS)
 
+lib$(PROG).so: $(OBJ)
+	@echo "$(MSG_PREFIX)\`\` Linking:" $(notdir $@)
+	$(VERBOSE)$(LD) -shared -Wl,-h,lib$(PROG).so.0 -o lib$(PROG).so.0.0.0 $^ $(LIBS)
+	$(VERBOSE)ln -s lib$(PROG).so.0.0.0 lib$(PROG).so.0
+	$(VERBOSE)ln -s lib$(PROG).so.0 $@
+
 lib$(PROG).a: $(OBJ)
 	@echo "$(MSG_PREFIX)\`\` Linking:" $(notdir $@)
 	$(VERBOSE)ar rv $@ $?