--- configure.orig	2022-08-05 23:55:13 UTC
+++ configure
@@ -14928,7 +14928,6 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
           LIBS=$SAVED_LIBS
 
   if test "$glut_support" = "yes" -a "$enable_libwebpdemux" = "yes"; then
-    build_vwebp=yes
   else
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Not building vwebp. OpenGL libraries and --enable-libwebpdemux are required." >&5
 printf "%s\n" "$as_me: Not building vwebp. OpenGL libraries and --enable-libwebpdemux are required." >&6;}