From ccd469fb1ebe0e29b51c1725ee31e23952fab7cb Mon Sep 17 00:00:00 2001
From: John Cupitt <jcupitt@gmail.com>
Date: Wed, 23 Dec 2020 12:15:11 +0000
Subject: [PATCH] Oadd some debugging for heif detection

---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index 94f9529d..1e7ae8e0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -847,6 +847,9 @@ fi
 AC_ARG_WITH([heif], 
   AS_HELP_STRING([--without-heif], [build without libheif (default: test)]))
 
+echo -n testing for libheif ... pkg-config reports
+pkg-config libheif --modversion
+
 if test x"$with_heif" != x"no"; then
   PKG_CHECK_MODULES(HEIF, libheif >= 1.3.0,
     [with_heif=yes