[devel] Supply default values for PNG_USER_PRIVATEBUILD and PNG_USER_DLLFNAME_POSTFIX
in pngpriv.h in case the user forgot to define them in their pngusr.h. This
means it is safe for people not building a DLL to omit these defines from pngusr.h.
diff --git a/pngpriv.h b/pngpriv.h
index 7265c4d..0d86536 100644
--- a/pngpriv.h
+++ b/pngpriv.h
@@ -1,7 +1,7 @@
/* pngpriv.h - private declarations for use inside libpng
*
- * libpng version 1.5.0beta45 - August 24, 2010
+ * libpng version 1.5.0beta45 - August 25, 2010
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -32,6 +32,13 @@
#define PNGLIB_BUILD
#ifdef PNG_USER_CONFIG
# include "pngusr.h"
+ /* These should have been defined in pngusr.h */
+# ifndef PNG_USER_PRIVATEBUILD
+# define PNG_USER_PRIVATEBUILD "Custom libpng build"
+# endif
+# ifndef PNG_USER_DLLFNAME_POSTFIX
+# define PNG_USER_DLLFNAME_POSTFIX "Cb"
+# endif
#endif
#include "png.h"
#include "pnginfo.h"
