Index: xinit-1.4.0/startx.cpp
===================================================================
--- xinit-1.4.0.orig/startx.cpp	2018-03-10 02:46:03.000000000 +0100
+++ xinit-1.4.0/startx.cpp	2018-07-11 13:16:21.864694488 +0200
@@ -50,11 +50,103 @@
 [ -f "${XINITRC}" ] && userclientrc="${XINITRC}"
 sysclientrc=XINITDIR/xinitrc
 
+XCOMM
+XCOMM check for installed servers
+XCOMM
+
+#ifdef linux
+
+INSTALLED_SERVERS=`ls -1 /usr/bin/Xorg /usr/X11R6/bin/XFree86  /usr/X11R6/bin/Xorg* 2>/dev/null`
+
+
+if [ -z "$INSTALLED_SERVERS" ]; then
+
+       echo ""
+       echo "You did not install any X-Server \(e.g. Xorg\)!"
+       echo "Please install at least one server to start X."
+       echo "I'm aborting now."
+       exit 1
+fi
+
+
+XCOMM
+XCOMM perhaps a windowmanager is specified?
+XCOMM
+XCOMM
+XCOMM find wmlist utility, else take twm as default (always there :-))
+XCOMM
+type wmlist >/dev/null 2>&1 && WMLIST="`for i in $(wmlist); do echo $i; done | sort`"
+test -z "$WMLIST" && WMLIST="twm"
+
+test "$1" = "--" || { test -n "$1" && WANTEDWM=`basename "$1"` ; }
+
+XCOMM
+XCOMM User could have set a list of window manager in WINDOWMANAGERLIST.
+XCOMM go through wms and check if user specified a reachable one.
+XCOMM
+
+for WM in $WMLIST $WINDOWMANAGERLIST
+do
+    test "$WM" = "$WANTEDWM" && {
+XCOMM
+XCOMM       is it reachable via $PATH?
+XCOMM
+       type $WM >/dev/null 2>&1 || {
+
+           echo "`basename $0`: error: the requested window manager '$1' could not be found!"
+           echo "Window manager must be one of (currently installed window amangers):"
+           for i in $WMLIST; do echo $i; done
+           exit 1
+       }
+XCOMM
+XCOMM    OK, we got it, this will be the override for WINDOWMANAGER
+XCOMM
+       export WINDOWMANAGER=$WM
+       shift 1
+       break
+    }
+done
+
+unset WINDOWMANAGERLIST WMLIST WANTEDWM WM
+
+XCOMM
+XCOMM check symlink
+XCOMM
+
+if [ ! -L /usr/bin/X ]; then
+
+       echo ""
+       echo "There is no link /usr/bin/X to X server (/usr/bin/Xorg)!"
+       echo "Please link the files as mentioned above or install the X-Server again."
+       echo "I'm aborting now."
+       exit 1
+fi
+
+XCOMM
+XCOMM check if the Xorg file is an executable or an accidentally copied script or similar things
+XCOMM
+
+if [ ! -x /usr/bin/X ]; then
+
+       echo ""
+       echo "The file Xorg (binary of X-Server) doesn't seem to be a binary file."
+       echo "Please check it or / and install a new X-Server-binary."
+       echo "I'm aborting now."
+       exit 1
+fi
+
+#endif /* linux */
+
+XCOMM set $DISPLAYMANAGER_XSERVER $DISPLAYMANAGER_XSERVER_TCP_PORT_6000_OPEN
+. /etc/sysconfig/displaymanager
+
 userserverrc=$HOME/.xserverrc
 [ -f "${XSERVERRC}" ] && userclientrc="${XSERVERRC}"
 sysserverrc=XINITDIR/xserverrc
 defaultclient=XTERM
+XCOMM set X Server accordingly (Xorg/Xgl)
 defaultserver=XSERVER
+test -n "$DISPLAYMANAGER_XSERVER" && defaultserver=/usr/bin/$DISPLAYMANAGER_XSERVER
 defaultclientargs=""
 defaultserverargs=""
 defaultdisplay=""
@@ -312,6 +404,9 @@
         fi
     done
 fi
+XCOMM handle TCP port 6000
+test "$DISPLAYMANAGER_XSERVER_TCP_PORT_6000_OPEN" != "yes" && \
+  serverargs="$serverargs -nolisten tcp"
 
 #if defined(__APPLE__) || defined(__CYGWIN__)
 eval XINIT \"$client\" $clientargs -- \"$server\" $display $serverargs
@@ -320,6 +415,12 @@
 #endif
 retval=$?
 
+if [ "$retval" != 0 -a ! -u "/usr/bin/Xorg" ]; then
+	echo "-------------------------------------------------------------------------------------------"
+	echo "xinit failed. /usr/bin/Xorg is not setuid, maybe that's the reason?"
+	echo "If so either use a display manager (strongly recommended) or adjust /etc/permissions.local and run \"chkstat --system --set\" afterwards"
+fi
+
 if [ x"$enable_xauth" = x1 ] ; then
     if [ x"$removelist" != x ]; then
         XAUTH remove $removelist
Index: xinit-1.4.0/xinitrc.cpp
===================================================================
--- xinit-1.4.0.orig/xinitrc.cpp	2018-03-10 02:46:03.000000000 +0100
+++ xinit-1.4.0/xinitrc.cpp	2018-07-11 13:13:23.808686361 +0200
@@ -48,8 +48,10 @@
 	unset f
 fi
 
-TWM &
+if [ -x /usr/X11R6/bin/fvwm -o -x /usr/bin/fvwm]; then
+    exec fvwm
+fi
 XCLOCK -geometry 50x50-1+1 &
 XTERM -geometry 80x50+494+51 &
 XTERM -geometry 80x20+494-0 &
-exec XTERM -geometry 80x66+0+0 -name login
+exec TWM