+
+# include & link with openssl only if needed
+ifneq ($($(PLATFORM)_uses_openssl),no)
+vpp_CPPFLAGS += $(call installed_includes_fn, openssl)
+vpp_LDFLAGS += $(call installed_libs_fn, openssl)
+endif
+
+ifneq ($($(PLATFORM)_uses_dpdk),no)
+ifeq ($($(PLATFORM)_uses_external_dpdk),yes)
+vpp_CPPFLAGS += -I$($(PLATFORM)_dpdk_inc_dir)
+vpp_LDFLAGS += -L$($(PLATFORM)_dpdk_lib_dir)
+else
+vpp_configure_depend += dpdk-install
+vpp_CPPFLAGS += $(call installed_includes_fn, dpdk)
+vpp_LDFLAGS += $(call installed_libs_fn, dpdk)
+endif
+endif