From 15059d228c099c7fbccfb04058d58253d40851e7 Mon Sep 17 00:00:00 2001
From: Glenn Morris <rgm@gnu.org>
Date: Mon, 29 Oct 2018 20:50:14 -0400
Subject: [PATCH] * configure.ac (emacs_config_features): Add notify backends.

---
 configure.ac | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/configure.ac b/configure.ac
index 50e33335289..4a80eb442fa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5498,6 +5498,15 @@ for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG CAIRO IMAGEMAGICK SOUND GPM DBUS \
           *) continue ;;
         esac
       ;;
+      NOTIFY)
+        case $val in
+          *lkqueue*) opt="$opt LIBKQUEUE" ;;
+          *kqueue*) opt="$opt KQUEUE" ;;
+          *inotify*) opt="$opt INOTIFY" ;;
+          *gfile*) opt="$opt GFILENOTIFY" ;;
+          *w32*) opt="$opt W32NOTIFY" ;;
+        esac
+      ;;
     esac
     AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
     optsep=' '
-- 
2.39.5