Error during Build of current master: "undefined reference to `GrabButton'"

During building of xserver an error occured.
Note: My Translations from german to english are behind "#translation:".

Excerpt of log:

[...]
[712/721] Linking target test/tests
FAILED: test/tests
[...]
/usr/bin/ld: /tmp/tests.8iJPCg.ltrans1.ltrans.o: in function `__wrap_GrabButton':
<artificial>:(.text+0xc4cc): undefined reference to `GrabButton'
collect2: Fehler: ld gab 1 als Ende-Status zurück
#translation: Error; ld gave 1 as end-status back
[717/723] Linking target hw/xwayland/Xwayland
ninja: build stopped: subcommand failed.
==> FEHLER: Ein Fehler geschah in build().
    Breche ab...
#translation: Error: A mistake happened during build.
Aborting.

Details:
Version: Commit 5c20e4b8
Build system: meson
Build options (copied from arch package: Arch Github ):

arch-meson "${pkgbase}-${pkgver}" build \
    -D os_vendor="Arch Linux" \
    -D ipv6=true \
    -D xvfb=true \
    -D xnest=true \
    -D xcsecurity=true \
    -D xorg=true \
    -D xephyr=true \
    -D xwayland=true \
    -D xwayland_eglstream=true \
    -D glamor=true \
    -D udev=true \
    -D systemd_logind=true \
    -D suid_wrapper=true \
    -D xkb_dir=/usr/share/X11/xkb \
    -D xkb_output_dir=/var/lib/xkb