diff -U 3 -H -d -r -N -- qrencode-3.1.1/configure qrencode-3.1.1-ok/configure
--- qrencode-3.1.1/configure	2010-02-02 19:43:16.000000000 -0500
+++ qrencode-3.1.1-ok/configure	2010-02-03 21:41:43.205709796 -0500
@@ -11445,12 +11445,12 @@
         pkg_cv_png_CFLAGS="$png_CFLAGS"
     else
         if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\"libpng12\"\""; } >&5
-  ($PKG_CONFIG --exists --print-errors ""libpng12"") 2>&5
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\"libpng14\"\""; } >&5
+  ($PKG_CONFIG --exists --print-errors ""libpng14"") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_png_CFLAGS=`$PKG_CONFIG --cflags ""libpng12"" 2>/dev/null`
+  pkg_cv_png_CFLAGS=`$PKG_CONFIG --cflags ""libpng14"" 2>/dev/null`
 else
   pkg_failed=yes
 fi
@@ -11463,12 +11463,12 @@
         pkg_cv_png_LIBS="$png_LIBS"
     else
         if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\"libpng12\"\""; } >&5
-  ($PKG_CONFIG --exists --print-errors ""libpng12"") 2>&5
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\"libpng14\"\""; } >&5
+  ($PKG_CONFIG --exists --print-errors ""libpng14"") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_png_LIBS=`$PKG_CONFIG --libs ""libpng12"" 2>/dev/null`
+  pkg_cv_png_LIBS=`$PKG_CONFIG --libs ""libpng14"" 2>/dev/null`
 else
   pkg_failed=yes
 fi
@@ -11487,14 +11487,14 @@
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        png_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors ""libpng12""`
+	        png_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors ""libpng14""`
         else
-	        png_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors ""libpng12""`
+	        png_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors ""libpng14""`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$png_PKG_ERRORS" >&5
 
-	as_fn_error "Package requirements (\"libpng12\") were not met:
+	as_fn_error "Package requirements (\"libpng14\") were not met:
 
 $png_PKG_ERRORS
 
diff -U 3 -H -d -r -N -- qrencode-3.1.1/configure.ac qrencode-3.1.1-ok/configure.ac
--- qrencode-3.1.1/configure.ac	2010-02-02 19:42:12.000000000 -0500
+++ qrencode-3.1.1-ok/configure.ac	2010-02-03 21:42:07.202419056 -0500
@@ -36,7 +36,7 @@
  [build_tools=$withval], [build_tools=yes])
 AM_CONDITIONAL(BUILD_TOOLS, [test "x$build_tools" = "xyes" ])
 if test x$build_tools = xyes ; then
-	PKG_CHECK_MODULES(png, "libpng12")
+	PKG_CHECK_MODULES(png, "libpng14")
 fi
 
 dnl --with-tests