Hi,
This may not be not much of a question than a curiosity. I have an idea for an experiment involving Solaris on desktop (Crossbow, ZFS and containers are all useful in it, hence the choice of the operating system). An integral part of it is, of course, a desktop environment; however I find GNOME 3 to be slow and would like to see a Qt-based one (either LXQt or even Plasma, if possible).
The most recent version of Qt (5.13) surprisingly builds without much trouble on Solaris 11.4, there is only one "little" problem - the configuration script cannot find XCB, and therefore compiles without X11 support! (An extreme approach would be to extend the experiment and use VNC instead of X11 )
It can find X11 fine (it seems like this breaks when pkg-config is installed, maybe because of missing .pc files in Solaris):
...
Checking for x11... yes
Checking for xcomposite... yes
Checking for xcursor... yes
Checking for xi... yes
Checking for xtst... yes
Checking for zlib... yes
...
However, when we scroll a few lines up...
Checking for IPv6 ifname... yes
Checking for OpenSSL 1.1 support... no
Checking for xkbcommon >= 0.5.0... yes
Checking for XCB >= 1.9... no
Checking for KMS... no
And don't get me wrong, I definitely have XCB installed:
root@solaris:~# pkg info libxcb xcb-util
Name: x11/library/libxcb
Summary: libxcb - The X11 protocol C Binding
Description: The X protocol C-language Binding (XCB) is a replacement for
Xlib featuring a small footprint, latency hiding, direct access
to the protocol, improved threading support, and extensibility.
Category: System/X11
State: Installed
Publisher: solaris
Version: 1.12
Branch: 11.4.0.0.1.14.0
Packaging Date: Tue Aug 14 17:33:52 2018
Size: 7.29 MB
FMRI: pkg://solaris/x11/library/libxcb@1.12-11.4.0.0.1.14.0:20180814T173352Z
Project URL: http://xcb.freedesktop.org/
Source URL: https://www.x.org/releases/individual/xcb/libxcb-1.12.tar.bz2
https://xcb.freedesktop.org//releases/individual/xcb/xcb-proto-1.12.tar.bz2
Name: x11/library/xcb-util
Summary: xcb-util - The X11 protocol C bindings utility libraries
Description: The xcb-util module provides a number of libraries which sit
on top of libxcb, the core X protocol library, and some of
the extension libraries. These experimental libraries provide
convenience functions and interfaces which make the raw X
protocol more usable. Some of the libraries also provide
client-side code which is not strictly part of the X protocol
but which have traditionally been provided by Xlib.
Category: System/X11
State: Installed
Publisher: solaris
Version: 0.4.0
Branch: 11.4.0.0.1.14.0
Packaging Date: Tue Aug 14 17:34:44 2018
Last Install Time: Fri Aug 16 14:37:32 2019
Size: 814.52 kB
FMRI: pkg://solaris/x11/library/xcb-util@0.4.0-11.4.0.0.1.14.0:20180814T173444Z
Project URL: http://xcb.freedesktop.org/XcbUtil/
Source URL: https://www.x.org/releases/individual/xcb/xcb-util-0.4.0.tar.bz2
https://www.x.org/releases/individual/xcb/xcb-util-cursor-0.1.3.tar.bz2
https://www.x.org/releases/individual/xcb/xcb-util-image-0.4.0.tar.bz2
https://www.x.org/releases/individual/xcb/xcb-util-errors-1.0.tar.bz2
https://www.x.org/releases/individual/xcb/xcb-util-keysyms-0.4.0.tar.bz2
https://www.x.org/releases/individual/xcb/xcb-util-renderutil-0.3.9.tar.bz2
https://www.x.org/releases/individual/xcb/xcb-util-wm-0.4.1.tar.bz2
And the files also seem to be in place:
root@solaris:~# ls /usr/include/xcb
bigreq.h present.h sync.h xcb_event.h xcbext.h xprint.h
composite.h randr.h xc_misc.h xcb_ewmh.h xevie.h xproto.h
damage.h record.h xcb.h xcb_icccm.h xf86dri.h xselinux.h
dpms.h render.h xcb_atom.h xcb_image.h xfixes.h xtest.h
dri2.h res.h xcb_aux.h xcb_keysyms.h xia.h xv.h
dri3.h screensaver.h xcb_bitops.h xcb_pixel.h xinerama.h xvmc.h
ge.h shape.h xcb_cursor.h xcb_renderutil.h xinput.h
glx.h shm.h xcb_errors.h xcb_util.h xkb.h
root@solaris:~# ls /usr/lib/libxcb*
/usr/lib/libxcb-composite.a /usr/lib/libxcb-present.so /usr/lib/libxcb-xevie.so.0
/usr/lib/libxcb-composite.la /usr/lib/libxcb-present.so.0 /usr/lib/libxcb-xevie.so.0.0.0
/usr/lib/libxcb-composite.so /usr/lib/libxcb-present.so.0.0.0 /usr/lib/libxcb-xf86dri.a
/usr/lib/libxcb-composite.so.0 /usr/lib/libxcb-randr.a /usr/lib/libxcb-xf86dri.la
/usr/lib/libxcb-composite.so.0.0.0 /usr/lib/libxcb-randr.la /usr/lib/libxcb-xf86dri.so
/usr/lib/libxcb-cursor.so /usr/lib/libxcb-randr.so /usr/lib/libxcb-xf86dri.so.0
/usr/lib/libxcb-cursor.so.0 /usr/lib/libxcb-randr.so.0 /usr/lib/libxcb-xf86dri.so.0.0.0
/usr/lib/libxcb-cursor.so.0.0.0 /usr/lib/libxcb-randr.so.0.1.0 /usr/lib/libxcb-xfixes.a
/usr/lib/libxcb-damage.a /usr/lib/libxcb-record.a /usr/lib/libxcb-xfixes.la
/usr/lib/libxcb-damage.la /usr/lib/libxcb-record.la /usr/lib/libxcb-xfixes.so
/usr/lib/libxcb-damage.so /usr/lib/libxcb-record.so /usr/lib/libxcb-xfixes.so.0
/usr/lib/libxcb-damage.so.0 /usr/lib/libxcb-record.so.0 /usr/lib/libxcb-xfixes.so.0.0.0
/usr/lib/libxcb-damage.so.0.0.0 /usr/lib/libxcb-record.so.0.0.0 /usr/lib/libxcb-xinerama.a
/usr/lib/libxcb-dpms.a /usr/lib/libxcb-render-util.so /usr/lib/libxcb-xinerama.la
/usr/lib/libxcb-dpms.la /usr/lib/libxcb-render-util.so.0 /usr/lib/libxcb-xinerama.so
/usr/lib/libxcb-dpms.so /usr/lib/libxcb-render-util.so.0.0.0 /usr/lib/libxcb-xinerama.so.0
/usr/lib/libxcb-dpms.so.0 /usr/lib/libxcb-render.a /usr/lib/libxcb-xinerama.so.0.0.0
/usr/lib/libxcb-dpms.so.0.0.0 /usr/lib/libxcb-render.la /usr/lib/libxcb-xinput.a
/usr/lib/libxcb-dri2.a /usr/lib/libxcb-render.so /usr/lib/libxcb-xinput.la
/usr/lib/libxcb-dri2.la /usr/lib/libxcb-render.so.0 /usr/lib/libxcb-xinput.so
/usr/lib/libxcb-dri2.so /usr/lib/libxcb-render.so.0.0.0 /usr/lib/libxcb-xinput.so.0
/usr/lib/libxcb-dri2.so.0 /usr/lib/libxcb-res.a /usr/lib/libxcb-xinput.so.0.1.0
/usr/lib/libxcb-dri2.so.0.0.0 /usr/lib/libxcb-res.la /usr/lib/libxcb-xkb.a
/usr/lib/libxcb-dri3.a /usr/lib/libxcb-res.so /usr/lib/libxcb-xkb.la
/usr/lib/libxcb-dri3.la /usr/lib/libxcb-res.so.0 /usr/lib/libxcb-xkb.so
/usr/lib/libxcb-dri3.so /usr/lib/libxcb-res.so.0.0.0 /usr/lib/libxcb-xkb.so.1
/usr/lib/libxcb-dri3.so.0 /usr/lib/libxcb-screensaver.a /usr/lib/libxcb-xkb.so.1.0.0
/usr/lib/libxcb-dri3.so.0.0.0 /usr/lib/libxcb-screensaver.la /usr/lib/libxcb-xprint.so
/usr/lib/libxcb-errors.so /usr/lib/libxcb-screensaver.so /usr/lib/libxcb-xprint.so.0
/usr/lib/libxcb-errors.so.0 /usr/lib/libxcb-screensaver.so.0 /usr/lib/libxcb-xprint.so.0.0.0
/usr/lib/libxcb-errors.so.0.0.0 /usr/lib/libxcb-screensaver.so.0.0.0 /usr/lib/libxcb-xtest.a
/usr/lib/libxcb-ewmh.so /usr/lib/libxcb-shape.a /usr/lib/libxcb-xtest.la
/usr/lib/libxcb-ewmh.so.2 /usr/lib/libxcb-shape.la /usr/lib/libxcb-xtest.so
/usr/lib/libxcb-ewmh.so.2.0.0 /usr/lib/libxcb-shape.so /usr/lib/libxcb-xtest.so.0
/usr/lib/libxcb-glx.a /usr/lib/libxcb-shape.so.0 /usr/lib/libxcb-xtest.so.0.0.0
/usr/lib/libxcb-glx.la /usr/lib/libxcb-shape.so.0.0.0 /usr/lib/libxcb-xv.a
/usr/lib/libxcb-glx.so /usr/lib/libxcb-shm.a /usr/lib/libxcb-xv.la
/usr/lib/libxcb-glx.so.0 /usr/lib/libxcb-shm.la /usr/lib/libxcb-xv.so
/usr/lib/libxcb-glx.so.0.0.0 /usr/lib/libxcb-shm.so /usr/lib/libxcb-xv.so.0
/usr/lib/libxcb-icccm.so /usr/lib/libxcb-shm.so.0 /usr/lib/libxcb-xv.so.0.0.0
/usr/lib/libxcb-icccm.so.4 /usr/lib/libxcb-shm.so.0.0.0 /usr/lib/libxcb-xvmc.a
/usr/lib/libxcb-icccm.so.4.0.0 /usr/lib/libxcb-sync.a /usr/lib/libxcb-xvmc.la
/usr/lib/libxcb-image.so /usr/lib/libxcb-sync.la /usr/lib/libxcb-xvmc.so
/usr/lib/libxcb-image.so.0 /usr/lib/libxcb-sync.so /usr/lib/libxcb-xvmc.so.0
/usr/lib/libxcb-image.so.0.0.0 /usr/lib/libxcb-sync.so.1 /usr/lib/libxcb-xvmc.so.0.0.0
/usr/lib/libxcb-keysyms.so /usr/lib/libxcb-sync.so.1.0.0 /usr/lib/libxcb.a
/usr/lib/libxcb-keysyms.so.1 /usr/lib/libxcb-util.so /usr/lib/libxcb.la
/usr/lib/libxcb-keysyms.so.1.0.0 /usr/lib/libxcb-util.so.1 /usr/lib/libxcb.so
/usr/lib/libxcb-present.a /usr/lib/libxcb-util.so.1.0.0 /usr/lib/libxcb.so.1
/usr/lib/libxcb-present.la /usr/lib/libxcb-xevie.so /usr/lib/libxcb.so.1.1.0
It's strange, isn't it? It would probably be a better idea to ask on a Qt forum (and I'll definitely do that), but maybe there happens to be someone here who knows what the problem may be.