gcc makefile - use group for ld to resolve symbols from libraries

Author: 0xc0170

workspace_tools/export/gcc_arm_common.tmpl

@@ -81,7 +81,7 @@ clean:
 
 {% block target_project_elf %}
 $(PROJECT).elf: $(OBJECTS) $(SYS_OBJECTS)
-	$(LD) $(LD_FLAGS) -T$(LINKER_SCRIPT) $(LIBRARY_PATHS) -o $@ $^ $(LIBRARIES) $(LD_SYS_LIBS) $(LIBRARIES) $(LD_SYS_LIBS)
+	$(LD) $(LD_FLAGS) -T$(LINKER_SCRIPT) $(LIBRARY_PATHS) -o $@ $^ -Wl,--start-group $(LIBRARIES) $(LD_SYS_LIBS) -Wl,--end-group
 {% endblock %}
 
 $(PROJECT).bin: $(PROJECT).elf