[366/441] Generating doc/dtrace/Xserver-DTrace.html.db with a custom command
FAILED: doc/dtrace/Xserver-DTrace.html.db 
/usr/bin/xsltproc --path /usr/share/sgml/X11 --path /tmp/xwayland-22.1.3/meson-build --stringparam targets.filename Xserver-DTrace.html.db --stringparam collect.xref.targets only --stringparam olink.base.uri Xserver-DTrace.html --nonet --output /tmp/xwayland-22.1.3/meson-build/doc/dtrace/Xserver-DTrace.html.db --xinclude /usr/share/sgml/X11/xorg-xhtml.xsl ../doc/dtrace/Xserver-DTrace.xml
warning: failed to load external entity "/usr/share/sgml/X11/xorg-xhtml.xsl"
cannot parse /usr/share/sgml/X11/xorg-xhtml.xsl
[367/441] Generating doc/dtrace/Xserver-DTrace.pdf.db with a custom command
FAILED: doc/dtrace/Xserver-DTrace.pdf.db 
/usr/bin/xsltproc --path /usr/share/sgml/X11 --path /tmp/xwayland-22.1.3/meson-build --stringparam targets.filename Xserver-DTrace.pdf.db --stringparam collect.xref.targets only --stringparam olink.base.uri Xserver-DTrace.pdf --nonet --output /tmp/xwayland-22.1.3/meson-build/doc/dtrace/Xserver-DTrace.pdf.db --xinclude /usr/share/sgml/X11/xorg-fo.xsl ../doc/dtrace/Xserver-DTrace.xml
warning: failed to load external entity "/usr/share/sgml/X11/xorg-fo.xsl"
cannot parse /usr/share/sgml/X11/xorg-fo.xsl
[371/441] Generating doc/dtrace/Xserver-DTrace.html with a custom command
FAILED: doc/dtrace/Xserver-DTrace.html 
/usr/bin/xmlto --searchpath /usr/share/sgml/X11 --searchpath /tmp/xwayland-22.1.3/meson-build -x /usr/share/sgml/X11/xorg-xhtml.xsl --stringparam target.database.document=/usr/share/sgml/X11/dbs/masterdb.html.xml --stringparam current.docid=Xserver-DTrace -o /tmp/xwayland-22.1.3/meson-build/doc/dtrace xhtml-nochunks ../doc/dtrace/Xserver-DTrace.xml
warning: failed to load external entity "/usr/share/sgml/X11/xorg-xhtml.xsl"
compilation error: file /tmp/xmlto-xsl.1fZPIp line 4 element import
xsl:import : unable to load /usr/share/sgml/X11/xorg-xhtml.xsl
[372/441] Generating doc/Xserver-spec.html with a custom command
FAILED: doc/Xserver-spec.html 
/usr/bin/xmlto --searchpath /usr/share/sgml/X11 --searchpath /tmp/xwayland-22.1.3/meson-build -x /usr/share/sgml/X11/xorg-xhtml.xsl -o /tmp/xwayland-22.1.3/meson-build/doc xhtml-nochunks ../doc/Xserver-spec.xml
warning: failed to load external entity "/usr/share/sgml/X11/xorg-xhtml.xsl"
compilation error: file /tmp/xmlto-xsl.iZnZvU line 4 element import
xsl:import : unable to load /usr/share/sgml/X11/xorg-xhtml.xsl
[373/441] Generating doc/Xinput.html with a custom command
FAILED: doc/Xinput.html 
/usr/bin/xmlto --searchpath /usr/share/sgml/X11 --searchpath /tmp/xwayland-22.1.3/meson-build -x /usr/share/sgml/X11/xorg-xhtml.xsl -o /tmp/xwayland-22.1.3/meson-build/doc xhtml-nochunks ../doc/Xinput.xml
warning: failed to load external entity "/usr/share/sgml/X11/xorg-xhtml.xsl"
compilation error: file /tmp/xmlto-xsl.IXIAUE line 4 element import
xsl:import : unable to load /usr/share/sgml/X11/xorg-xhtml.xsl
[374/441] Compiling C object hw/vfb/Xvfb.p/.._.._mi_miinitext.c.o
ninja: build stopped: subcommand failed.