--- Makefile.in	2017-05-31 16:42:16.000000000 -0700
+++ Makefile_new.in	2017-05-31 16:44:02.000000000 -0700
@@ -193,6 +193,8 @@
 	for include in $(INCLUDES); do \
 		$(INSTALL_DATA) -m 644 $(top_srcdir)/include/$$include $(DESTDIR)$(includedir)/$$include; \
 	done
+	$(INSTALL_DATA) -m 644 $(top_srcdir)/src/common/pa_ringbuffer.h $(DESTDIR)$(includedir)/$$include
+	$(INSTALL_DATA) -m 644 $(top_srcdir)/src/common/pa_util.h $(DESTDIR)$(includedir)/$$include
 	$(INSTALL) -d $(DESTDIR)$(libdir)/pkgconfig
 	$(INSTALL) -m 644 portaudio-2.0.pc $(DESTDIR)$(libdir)/pkgconfig/portaudio-2.0.pc
 	@echo ""