Ticket #3870: xvmc_configure.diff

mythtv/configure

@@ -2670 +2670 @@
 enabled xv && has_library libXv || disable xv
 
 VENDOR_XVMC_LIBS=""
-if enabled xvmc; then
+if enabled xvmc && has_header X11/extensions/XvMClib.h ; then
     xvmc="no"
     if ! has_library libXvMCW ; then
         xvmcw="no"
@@ -2715 +2715 @@
         fi
     fi
 else
+    xvmc="no"
     xvmc_vld="no"
 fi