pidgin/pidgin

Use LT_LIB_M to determine if we need to link to the math library and link Pidgin to the X11 libraries
release-2.x.y
2021-04-11, Gary Kramlich
132d17234930
Use LT_LIB_M to determine if we need to link to the math library and link Pidgin to the X11 libraries

Gentoo ran into an issue with the gold linker without -lm. The original patch
and work came from Justin Lechner. https://bugs.gentoo.org/386079

Gentoo also ran into an issue with X11_LIBS not being added to pidgin. This
should already be implicit everywhere except for homebrew which patches X11
out of their build. Original patch/work came from and. https://bugs.gentoo.org/500762

Testing Done:
Installed and ran locally.

Reviewed at https://reviews.imfreedom.org/r/608/
/** @page dbus-server-signals DBus Server Signals
@signals
@signal dbus-method-called
@signal dbus-introspect
@endsignals
@see dbus-server.h
<hr>
@signaldef dbus-method-called
@signalproto
gboolean (*dbus_method_called)(DBusConnection *connection,
DBusMessage *message);
@endsignalproto
@signaldesc
Emitted when a dbus method is going to be called.
@param connection The DBus connection.
@param message The DBus message.
@return TRUE if signal handler handled the method. ???
@endsignaldef
@signaldef dbus-introspect
@signalproto
void (*dbus_introspect)(GList **bidings_list);
@endsignalproto
@signaldesc
???
@param bindings_list ???
@endsignaldef
*/
// vim: syntax=c.doxygen tw=75 et