[devel] Moved the 'config.h' support from pngconf.h to pngpriv.h
diff --git a/pngpriv.h b/pngpriv.h
index 8efeff2..c74a96a 100644
--- a/pngpriv.h
+++ b/pngpriv.h
@@ -31,6 +31,18 @@
#include <stdlib.h>
+/* Added at libpng-1.2.9 */
+/* Moved to pngpriv.h at libpng-1.5.0 */
+
+/* config.h is created by and PNG_CONFIGURE_LIBPNG is set by the "configure"
+ * script.
+ */
+#ifdef PNG_CONFIGURE_LIBPNG
+# ifdef HAVE_CONFIG_H
+# include "config.h"
+# endif
+#endif
+
/* The functions exported by PNG_EXTERN are internal functions, which
* aren't usually used outside the library (as far as I know), so it is
* debatable if they should be exported at all. In the future, when it