From ad38bc6ecb80ddeb562841b33258dd53659b1da6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff-webhosting.net>
Date: Mon, 24 Aug 2020 18:44:51 +0200
Subject: New upstream version 1.0.31

---
 acinclude.m4 | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'acinclude.m4')

diff --git a/acinclude.m4 b/acinclude.m4
index 7c90c64..e10f8ce 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -613,7 +613,7 @@ for be in ${BACKENDS}; do
     ;;
 
     escl)
-    if test "x${enable_avahi}" != "xyes"; then
+    if test "x${with_avahi}" != "xyes"; then
       echo "*** $be backend requires AVAHI library - $DISABLE_MSG"
       backend_supported="no"
     fi
@@ -629,7 +629,14 @@ for be in ${BACKENDS}; do
     if test "x${sane_cv_use_libjpeg}" != "xyes"; then
       echo "*** $be backend currently requires JPEG library - $DISABLE_MSG"
       backend_supported="no"
+    else
+      if test "x${ac_cv_func_jpeg_crop_scanline}"  != "xyes" \
+      || test "x${ac_cv_func_jpeg_skip_scanlines}" != "xyes"; then
+        echo "*** $be backend requires a newer JPEG library - $DISABLE_MSG"
+        backend_supported="no"
+      fi
     fi
+
     ;;
 
     gphoto2)
-- 
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