--- a/src/makefile.unix
+++ b/src/makefile.unix
@@ -16,6 +16,8 @@
 	ifeq (${STATIC}, all)
 		LMODE2 = static
 	endif
+else
+	TESTDEFS += -DBOOST_TEST_DYN_LINK
 endif
 
 # for boost 1.37, add -mt to the boost libraries
@@ -127,7 +129,7 @@
 
 # auto-generated dependencies:
 -include obj/nogui/*.P
--include obj/test/*.P
+-include obj-test/*.P
 
 obj/nogui/%.o: %.cpp
 	$(CXX) -c $(xCXXFLAGS) -MMD -o $@ $<
@@ -139,21 +141,21 @@
 bitcoind: $(OBJS:obj/%=obj/nogui/%)
 	$(CXX) $(xCXXFLAGS) -o $@ $^ $(LDFLAGS) $(LIBS)
 
-obj/test/%.o: test/%.cpp
-	$(CXX) -c $(xCXXFLAGS) -MMD -o $@ $<
+obj-test/%.o: test/%.cpp
+	$(CXX) -c $(TESTDEFS) $(xCXXFLAGS) -MMD -o $@ $<
 	@cp $(@:%.o=%.d) $(@:%.o=%.P); \
 	  sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
 	      -e '/^$$/ d' -e 's/$$/ :/' < $(@:%.o=%.d) >> $(@:%.o=%.P); \
 	  rm -f $(@:%.o=%.d)
 
-test_bitcoin: obj/test/test_bitcoin.o $(filter-out obj/nogui/init.o,$(OBJS:obj/%=obj/nogui/%))
-	$(CXX) $(xCXXFLAGS) -o $@ $(LIBPATHS) $^ -Wl,-Bstatic -lboost_unit_test_framework $(LDFLAGS) $(LIBS)
+test_bitcoin: obj-test/test_bitcoin.o $(filter-out obj/nogui/init.o,$(OBJS:obj/%=obj/nogui/%))
+	$(CXX) $(xCXXFLAGS) -o $@ $(LIBPATHS) $^ -Wl,-B$(LMODE) -lboost_unit_test_framework $(LDFLAGS) $(LIBS)
 
 clean:
 	-rm -f bitcoind test_bitcoin
 	-rm -f obj/*.o
 	-rm -f obj/nogui/*.o
-	-rm -f obj/test/*.o
+	-rm -f obj-test/*.o
 	-rm -f obj/*.P
 	-rm -f obj/nogui/*.P
-	-rm -f obj/test/*.P
+	-rm -f obj-test/*.P