From 3446111ea0c02f68bc95f009d4744db04c3f4845 Mon Sep 17 00:00:00 2001
From: Alex Valavanis <valavanisalex@gmail.com>
Date: Mon, 25 Feb 2013 20:50:01 +0000
Subject: Drop manual check for libpng: pkg-config should work

Fixed bugs:
  - https://launchpad.net/bugs/261410
  - https://launchpad.net/bugs/520521

(bzr r12152)
---
 configure.ac | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/configure.ac b/configure.ac
index 3e9e53212..f1d8d0a48 100644
--- a/configure.ac
+++ b/configure.ac
@@ -226,14 +226,6 @@ if test "x$openmp_ok" = "xyes"; then
 	AC_DEFINE(HAVE_OPENMP, 1, [Use OpenMP])
 fi
 
-dnl ******************************
-dnl Check for libpng 
-dnl ******************************
-AC_CHECK_LIB(png, png_read_info, [AC_CHECK_HEADER(png.h, png_ok=yes, png_ok=no)], png_ok=no, -lz -lm)
-if test "x$png_ok" != "xyes"; then
-	AC_MSG_ERROR([libpng >= 1.2 is needed to compile inkscape])
-fi
-
 dnl ******************************
 dnl Check for libexif
 dnl ******************************
@@ -970,8 +962,8 @@ if test "x$cairo_pdf" = "xyes"; then
   AC_DEFINE(HAVE_CAIRO_PDF, 1, [Whether the Cairo PDF backend is available])
 fi
 
-dnl Shouldn't we test for libpng and libz?
-INKSCAPE_LIBS="$INKSCAPE_LIBS -lpng -lz -lxml2 -ldl"
+dnl Shouldn't we test for libz?
+INKSCAPE_LIBS="$INKSCAPE_LIBS -lz -lxml2 -ldl"
 if test "x$openmp_ok" = "xyes"; then
 	INKSCAPE_LIBS="$INKSCAPE_LIBS -lgomp"
 fi
-- 
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