$NetBSD$

--- meson_options.txt.orig	2019-03-06 23:05:20.000000000 +0000
+++ meson_options.txt
@@ -212,6 +212,12 @@ option(
   description : 'Build support for GLX platform'
 )
 option(
+  'glx-tls',
+  type : 'boolean',
+  value : true,
+  description : 'Enable TLS (Thread Local Storage) support in GLX',
+)
+option(
   'egl',
   type : 'combo',
   value : 'auto',
