configure: Require libudev for drm & wayland egl platforms
NOTE: This is a candidate for the 7.11 branch.
diff --git a/configure.ac b/configure.ac
index 74a511e..7d0f3d8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1724,6 +1724,10 @@
if test "$plat" = "drm" && test "x$enable_gbm" = "xno"; then
AC_MSG_ERROR([EGL platform drm needs gbm])
fi
+ case "$plat$have_libudev" in
+ waylandno|drmno)
+ AC_MSG_ERROR([cannot build $plat platfrom without udev]) ;;
+ esac
done
EGL_PLATFORMS="$egl_platforms"
;;