From 581e8516ea87bd49e8c06a4ba0b0c832d5dd2a15 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sat, 4 Mar 2000 23:59:13 +0000
Subject: [PATCH] fix for --with-libpng=sys warning

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6448 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 configure.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.in b/configure.in
index 7697ef40e5..4afa70dd39 100644
--- a/configure.in
+++ b/configure.in
@@ -2587,7 +2587,7 @@ if test "$wxUSE_LIBPNG" = "yes" -o "$wxUSE_LIBPNG" = "sys" ; then
   AC_DEFINE(wxUSE_LIBPNG)
   dnl for the check below to have a chance to succeed, we must already have
   dnl libz somewhere
-  if test "$wxUSE_ZLIB" != "sys" ; then
+  if test "$wxUSE_LIBPNG" = "sys" -a "$wxUSE_ZLIB" != "sys" ; then
     AC_MSG_WARN([--with-libpng=sys doesn't work without --with-zlib=sys, will compile the built-in libpng instead])
     wxUSE_LIBPNG=yes
   fi
-- 
2.47.2