Created attachment 4440 fix compilation with latest glib and gtk+ Menu conflicts in glib and gtk+, this patch fixes it.
Hello, It's fixed in git 5fa3a0a..3787b93. http://git.xfce.org/apps/xfmpc/commit/?id=06b68094e4283f45d3254366d847056b9041d7a0 Thank you for your report :) Regards, Mike