diff --git a/gtk2_ardour/bundle_env_cocoa.cc b/gtk2_ardour/bundle_env_cocoa.cc
index 8603db3f45..14e6f51d15 100644
--- a/gtk2_ardour/bundle_env_cocoa.cc
+++ b/gtk2_ardour/bundle_env_cocoa.cc
@@ -54,6 +54,11 @@ extern void set_language_preference (); // cocoacarbon.mm
 static void
 setup_logging(void)
 {
+        /* The ASL API has evolved since it was introduced in 10.4. If ASL_LOG_DESCRIPTOR_WRITE is not available,
+           then we're not interested in doing any of this, since its only purpose is to get stderr/stdout to
+           appear in the Console.
+        */
+#ifdef ASL_LOG_DESCRIPTOR_WRITE
         aslmsg msg;
         aslclient c = asl_open (PROGRAM_NAME, "com.apple.console", 0);
 
@@ -68,6 +73,9 @@ setup_logging(void)
         asl_log(c, NULL, ASL_LEVEL_INFO, string_compose ("Hello world from %1", PROGRAM_NAME).c_str());
         asl_log_descriptor(c, msg, ASL_LEVEL_INFO, 1,  ASL_LOG_DESCRIPTOR_WRITE);
         asl_log_descriptor(c, msg, ASL_LEVEL_INFO, 2, ASL_LOG_DESCRIPTOR_WRITE);
+#else
+#warning This build host has an older ASL API, so no console logging in this build.
+#endif
 }
 
 void