From http://www.jwz.org/xscreensaver/xscreensaver-5.39.tar.gz

[xscreensaver] / config.h.in

diff --git a/config.h.in b/config.h.in
index 708552cdef99dfa4b495a78886871863f49bc292..6294beeee1ef0820ea48df133694923c7278147f 100644 (file)
--- a/config.h.in
+++ b/config.h.in
@@ -171,6 +171,11 @@
 /* Define if your <locale.h> file defines LC_MESSAGES. */
 #undef HAVE_LC_MESSAGES
 
+/* Define this if the Portable Network Graphics library is installed. It is
+   basically required, but many things will more-or-less limp along without
+   it. */
+#undef HAVE_LIBPNG
+
 /* Define to 1 if you have the <locale.h> header file. */
 #undef HAVE_LOCALE_H
 
@@ -370,10 +375,6 @@
    your vendor doesn't ship it, you should report that as a bug. */
 #undef HAVE_XMU
 
-/* Define this if you have the XPM library installed. Some of the demos can
-   make use of this if it is available. */
-#undef HAVE_XPM
-
 /* Define this if you have the X Shared Memory Extension. */
 #undef HAVE_XSHM_EXTENSION