pidgin/pidgin

Install our appdata file to $(datadir)/metainfo as that change was made a long time ago
release-2.x.y
2021-04-09, Gary Kramlich
a817d80eeb79
Install our appdata file to $(datadir)/metainfo as that change was made a long time ago

This patch originates from Lars Wendler from Gentoo

https://gitweb.gentoo.org/repo/gentoo.git/commit/net-im/pidgin/files/pidgin-2.13.0-metainfo.patch?id=2dd6c1852251b5b67c3045badf173be9535b97a9

Testing Done:
Installed to a prefix and verified the file ended up in `$prefix/share/metainfo`

Reviewed at https://reviews.imfreedom.org/r/607/
/* This file contains macros that wrap calls to the purple dbus module.
These macros call the appropriate functions if the build includes
dbus support and do nothing otherwise. See "dbus-server.h" for
documentation. */
#ifndef _PURPLE_DBUS_MAYBE_H_
#define _PURPLE_DBUS_MAYBE_H_
#ifdef HAVE_DBUS
#ifndef DBUS_API_SUBJECT_TO_CHANGE
#define DBUS_API_SUBJECT_TO_CHANGE
#endif
#include "dbus-server.h"
/* this provides a type check */
#define PURPLE_DBUS_REGISTER_POINTER(ptr, type) { \
type *typed_ptr = ptr; \
purple_dbus_register_pointer(typed_ptr, PURPLE_DBUS_TYPE(type)); \
}
#define PURPLE_DBUS_UNREGISTER_POINTER(ptr) purple_dbus_unregister_pointer(ptr)
#else /* !HAVE_DBUS */
#define PURPLE_DBUS_REGISTER_POINTER(ptr, type) { \
if (ptr) {} \
}
#define PURPLE_DBUS_UNREGISTER_POINTER(ptr)
#define DBUS_EXPORT
#endif /* HAVE_DBUS */
#endif