Update building docs to mention mandatory threads

The docs used to say thread support was optional -- it's mandatory now.

diff --git a/docs/reference/glib/building.sgml b/docs/reference/glib/building.sgml
index 1ab30d2..23a8afa 100644 (file)
--- a/docs/reference/glib/building.sgml
+++ b/docs/reference/glib/building.sgml
@@ -144,10 +144,9 @@ How to compile GLib itself
       </listitem>
       <listitem>
        <para>
-         A thread implementation is needed, unless you want to compile GLib
-         without thread support, which is not recommended. The thread support
-         in GLib can be based upon several native thread implementations,
-         e.g. POSIX threads, DCE threads or Solaris threads.
+         A thread implementation is needed. The thread support in GLib
+         can be based upon several native thread implementations, e.g.
+         POSIX threads, DCE threads or Solaris threads.
        </para>
       </listitem>
       <listitem>