From 3ade51889174b9688aaaa4e1fe3120e36b2268d3 Mon Sep 17 00:00:00 2001
From: John Cupitt <jcupitt@gmail.com>
Date: Wed, 20 Jun 2012 11:57:03 +0100
Subject: [PATCH] better config messages for tiff and png

final config output msg is better if .pc files are not found
---
 configure.in | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/configure.in b/configure.in
index d34ea075..f6dbb025 100644
--- a/configure.in
+++ b/configure.in
@@ -550,7 +550,8 @@ if test x"$with_tiff" != "xno"; then
     [AC_DEFINE(HAVE_TIFF,1,[define if you have libtiff installed.])
      with_tiff=yes
      PACKAGES_USED="$PACKAGES_USED libtiff-4"],
-    [FIND_TIFF(,
+    [FIND_TIFF(
+     with_tiff=yes,
      [AC_MSG_WARN([libtiff not found; disabling TIFF support])
       with_tiff=no
      ])
@@ -566,7 +567,8 @@ if test x"$with_png" != "xno"; then
     [AC_DEFINE(HAVE_PNG,1,[define if you have libpng installed.])
      with_png=yes
      PACKAGES_USED="$PACKAGES_USED libpng"],
-    [FIND_PNG(,
+    [FIND_PNG(
+     with_png=yes,
      [AC_MSG_WARN([libpng not found; disabling PNG support])
       with_png=no
      ])