slackware-current/source/x/x11/post-install/xdm.post-install

mkdir -p $PKG/etc/X11
mv $PKG/usr/lib/X11/xdm $PKG/etc/X11
ln -sf ../../../etc/X11/xdm $PKG/usr/lib/X11/xdm

#( cd $PKG/usr/lib/X11
#  mv xdm $PKG/etc/X11
#  ln -sf ../../../etc/X11/xdm .
#)

mkdir -p $PKG/usr/doc/xdm-$MODULAR_PACKAGE_VERSION
mv $PKG/etc/X11/xdm/Xsession $PKG/usr/doc/xdm-$MODULAR_PACKAGE_VERSION/Xsession.orig
mv $PKG/etc/X11/xdm/Xsetup_0 $PKG/usr/doc/xdm-$MODULAR_PACKAGE_VERSION/Xsetup_0.orig

cp -a $CWD/post-install/xdm/Xsession $PKG/etc/X11/xdm/Xsession
cp -a $CWD/post-install/xdm/Xsetup_0 $PKG/etc/X11/xdm/Xsetup_0

if [ -L /lib${LIBDIRSUFFIX}/libpam.so.? ]; then
  mkdir -p $PKG/etc/pam.d
  cat $CWD/post-install/xdm/xdm.pamd > $PKG/etc/pam.d/xdm.new
fi

chown root:root $PKG/etc/X11/xdm/Xsession $PKG/etc/X11/xdm/Xsetup_0
chmod 0755 $PKG/etc/X11/xdm/Xsession $PKG/etc/X11/xdm/Xsetup_0

for conffile in \
  Xaccess Xreset Xresources Xservers Xsession Xsetup_0 Xstartup Xwilling \
  GiveConsole TakeConsole xdm-config ../app-defaults/Chooser ; 
do
  # Use awk to strip leading blank lines...  weird bug that cropped up in the
  # pre Slackware-14.1 development cycle.
  awk "/[^ ]/ { copy=1 }; copy { print }" $PKG/etc/X11/xdm/${conffile} > $PKG/etc/X11/xdm/${conffile}.new
  touch -r $PKG/etc/X11/xdm/${conffile} $PKG/etc/X11/xdm/${conffile}.new
  chmod --reference=$PKG/etc/X11/xdm/${conffile} $PKG/etc/X11/xdm/${conffile}.new
  rm -f $PKG/etc/X11/xdm/${conffile}
done

# Change default auth type:
cat << EOF >> $PKG/etc/X11/xdm/xdm-config.new

! In xdm-config, default to MIT-MAGIC-COOKIE-1 authorization as
! the XDM-AUTHORIZATION-1 method (which is the default otherwise) is
! mostly broken (i.e. with SDL2 apps):
DisplayManager.*.authName:      MIT-MAGIC-COOKIE-1
EOF

mkdir -p $PKG/var/lib/xdm
chown root:root $PKG/var/lib/xdm
chmod 755 $PKG/var/lib/xdm