[andreasn@localhost jhbuild]$ jhbuild sysdeps --install xwayland
System installed packages which are new enough:
    automake
    libepoxy (epoxy.pc, required=1.2, installed=1.2)
    xmlto
    xorg-xf86driproto (xf86driproto.pc, installed=2.1.1)
    git
    make
    doxygen (required=1.8.1)
    xorg-randrproto (randrproto.pc, required=1.5.0, installed=1.5.0)
    xorg-xcmiscproto (xcmiscproto.pc, installed=1.2.2)
    libsystemd-daemon (libsystemd-daemon.pc, required=210, installed=219)
    egl (egl.pc, required=10.1.3, installed=10.6.3)
    pciaccess (pciaccess.pc, required=0.12.901, installed=0.13.2)
    xfont (xfont.pc, installed=1.5.1)
    libffi (libffi.pc, required=3.0.0, installed=3.1)
    xcb-keysyms (xcb-keysyms.pc, installed=0.4.0)
    pkg-config
    libtool
    xorg-presentproto (presentproto.pc, installed=1.0)
    xorg-resourceproto (resourceproto.pc, installed=1.2.0)
    xtrans (xtrans.pc, required=1.3.5, installed=1.3.5)
    xorg-scrnsaverproto (scrnsaverproto.pc, installed=1.2.2)
    xorg-videoproto (videoproto.pc, installed=2.3.2)
    xorg-bigreqsproto (bigreqsproto.pc, installed=1.1.2)
Required packages:
  System installed packages which are too old:
    (none)
  No matching system package installed:
    (none)
Optional packages: (JHBuild will build the missing packages)
  System installed packages which are too old:
    (none)
  No matching system package installed:
    (none)
I: No uninstalled system dependencies to install for modules: ['xwayland']
[andreasn@localhost jhbuild]$