-if test "x$with_egl_platforms" != "x" -a "x$enable_egl" != xyes; then
- AC_MSG_ERROR([cannot build egl state tracker without EGL library])
+dnl
+dnl Platforms configuration
+dnl
+AC_ARG_WITH([platforms],
+ [AS_HELP_STRING([--with-platforms@<:@=DIRS...@:>@],
+ [comma delimited native platforms libEGL/Vulkan/other supports, e.g.
+ "x11,drm,wayland,surfaceless..." @<:@default=auto@:>@])],
+ [with_platforms="$withval"],
+ [with_platforms=auto])
+
+# For the time being, we still reuse the EGL named variables/defines.
+if test "x$with_platforms" != xauto; then
+ with_egl_platforms=$with_platforms