pkg/55117: gtk3 does not compile w/o EGL

[martin%NetBSD.org@localhost]

>Number:         55117
>Category:       pkg
>Synopsis:       gtk3 does not compile w/o EGL
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Mar 28 07:30:01 +0000 2020
>Originator:     Martin Husemann
>Release:        NetBSD 9.99.52
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD whoever-brings-the-night.aprisoft.de 9.99.52 NetBSD 9.99.52 (WHOEVER) #328: Fri Mar 27 18:22:25 CET 2020 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/work/src/sys/arch/sparc64/compile/WHOEVER sparc64
Architecture: sparc64
Machine: sparc64
>Description:

Trying to build gtk3 on NetBSD/sparc64 fails:

  CC       gdkdisplay-wayland.lo
  CC       gdkapplaunchcontext-wayland.lo
In file included from /usr/pkgobj/x11/gtk3/work/.buildlink/include/epoxy/egl.h:46,
                 from ../../gdk/wayland/gdkdisplay-wayland.h:47,
                 from gdkprivate-wayland.h:35,
                 from gdkcursor-wayland.c:31:
/usr/pkgobj/x11/gtk3/work/.buildlink/include/epoxy/egl_generated.h:11:10: fatal error: EGL/eglplatform.h: No such file or directory
 #include "EGL/eglplatform.h"
          ^~~~~~~~~~~~~~~~~~~
compilation terminated.


>How-To-Repeat:
s/a

>Fix:
disable the wayland option for platforms it does not support?