diff --git a/unit_tests/rules.mk b/unit_tests/rules.mk
index ca4200692d..701f520a97 100644
--- a/unit_tests/rules.mk
+++ b/unit_tests/rules.mk
@@ -9,6 +9,7 @@ ifeq ($(BUILDDIR),.)
   BUILDDIR = build
 endif
 BINARY_OUTPUT = $(BUILDDIR)/$(PROJECT)
+SHARED_OUTPUT = $(BUILDDIR)/lib_$(PROJECT)
 
 # Automatic compiler options
 OPT = $(USE_OPT)
@@ -87,7 +88,7 @@ VPATH     = $(SRCPATHS)
 # Makefile rules
 #
 
-all: $(OBJS) $(BINARY_OUTPUT) MAKE_ALL_RULE_HOOK
+all: $(OBJS) $(BINARY_OUTPUT) $(SHARED_OUTPUT) MAKE_ALL_RULE_HOOK
 
 MAKE_ALL_RULE_HOOK:
 
@@ -166,6 +167,10 @@ else
 	@$(LD) $(OBJS) $(LDFLAGS) $(LIBS) -o $@
 endif
 
+$(SHARED_OUTPUT): $(OBJS)
+	@echo Linking shared library $@
+	@$(LD) $(OBJS) $(LDFLAGS) $(LIBS) -o $@ -shared
+
 clean: CLEAN_RULE_HOOK
 	@echo Cleaning
 	-rm -fR .dep $(BUILDDIR)