--- audacity-1.3.6.orig/lib-src/portaudio-v19/src/hostapi/alsa/pa_linux_alsa.c
+++ audacity-1.3.6/lib-src/portaudio-v19/src/hostapi/alsa/pa_linux_alsa.c
@@ -46,6 +46,11 @@
  @ingroup hostapi_src
 */
 
+#ifndef SND_PCM_TSTAMP_ENABLE
+#define SND_PCM_TSTAMP_ENABLE SND_PCM_TSTAMP_MMAP
+#endif
+
+
 #define ALSA_PCM_NEW_HW_PARAMS_API
 #define ALSA_PCM_NEW_SW_PARAMS_API
 #include <alsa/asoundlib.h>