Gentoo's Bugzilla –
Attachment 302369 Details for
Bug 404397x11-libs/gtkhotkey - In file included from gtk-hotkey-error.h:26:0, from gtk-hotkey-info.c:20: /usr/include/glib-2.0/glib/gquark.h:28:2: Fehler: #error "Only <glib.h> can be included directly."