--- a/libpurple/protocols/jabber/meson.build	Thu Oct 26 22:24:08 2023 -0500
+++ b/libpurple/protocols/jabber/meson.build	Thu Oct 26 22:35:00 2023 -0500
@@ -90,7 +90,7 @@
 	JABBER_SOURCES += xmpp_resources
 
 	jabber_prpl = shared_library('jabber', JABBER_SOURCES,
-	    c_args : ['-DG_LOG_USE_STRUCTURED', '-DG_LOG_DOMAIN="Purple-XMPP"'],
+	    c_args : ['-DPURPLE_XMPP_COMPILATION', '-DG_LOG_USE_STRUCTURED', '-DG_LOG_DOMAIN="Purple-XMPP"'],
 	    link_args : jabber_link_args,
 	    dependencies : [gstreamer, idn, libxml, libpurple_dep, libsoup, glib, gio, math, ws2_32],
 	    install : true,