diff -up plasma-workspace-5.12.5/startkde/startkde.cmake.startkde plasma-workspace-5.12.5/startkde/startkde.cmake

--- plasma-workspace-5.12.5/startkde/startkde.cmake.startkde    2018-05-01 08:03:40.000000000 -0500

+++ plasma-workspace-5.12.5/startkde/startkde.cmake     2018-05-06 21:12:49.592504191 -0500

@@ -279,22 +237,21 @@ if test $? -ne 0; then

   # Startup error

   echo 'startkde: Could not sync environment to dbus.'  1>&2

   test -n "$ksplash_pid" && kill "$ksplash_pid" 2>/dev/null

-  xmessage -geometry 500x100 "Could not sync environment to dbus."

+  xmessage "Could not sync environment to dbus."

   exit 1

 fi

-# We set LD_BIND_NOW to increase the efficiency of kdeinit.

-# kdeinit unsets this variable before loading applications.

-LD_BIND_NOW=true @CMAKE_INSTALL_FULL_LIBEXECDIR_KF5@/start_kdeinit_wrapper --kded +kcminit_startup

+@CMAKE_INSTALL_FULL_LIBEXECDIR_KF5@/start_kdeinit_wrapper --kded +kcminit_startup

 if test $? -ne 0; then

   # Startup error

   echo 'startkde: Could not start kdeinit5. Check your installation.'  1>&2

   test -n "$ksplash_pid" && kill "$ksplash_pid" 2>/dev/null

-  xmessage -geometry 500x100 "Could not start kdeinit5. Check your installation."

+  xmessage "Could not start kdeinit5. Check your installation."

   exit 1

 fi

-qdbus org.kde.KSplash /KSplash org.kde.KSplash.setStage kinit &

+qdbus=qdbus-qt5

+$qdbus org.kde.KSplash /KSplash org.kde.KSplash.setStage kinit &

 # finally, give the session control to the session manager

 # see kdebase/ksmserver for the description of the rest of the startup sequence

@@ -327,13 +284,13 @@ if test x"$wait_drkonqi"x = x"true"x ; t

     # wait for remaining drkonqi instances with timeout (in seconds)

     wait_drkonqi_timeout=`kreadconfig5 --file startkderc --group WaitForDrKonqi --key Timeout --default 900`

     wait_drkonqi_counter=0

-    while qdbus | grep "^[^w]*org.kde.drkonqi" > /dev/null ; do

+    while $qdbus | grep "^[^w]*org.kde.drkonqi" > /dev/null ; do

         sleep 5

         wait_drkonqi_counter=$((wait_drkonqi_counter+5))

         if test "$wait_drkonqi_counter" -ge "$wait_drkonqi_timeout" ; then

             # ask remaining drkonqis to die in a graceful way

-            qdbus | grep 'org.kde.drkonqi-' | while read address ; do

-                qdbus "$address" "/MainApplication" "quit"

+            $qdbus | grep 'org.kde.drkonqi-' | while read address ; do

+                $qdbus "$address" "/MainApplication" "quit"

             done

             break

         fi

diff -up plasma-workspace-5.12.5/startkde/startplasma.cmake.startkde plasma-workspace-5.12.5/startkde/startplasma.cmake

--- plasma-workspace-5.12.5/startkde/startplasma.cmake.startkde 2018-05-01 08:03:40.000000000 -0500

+++ plasma-workspace-5.12.5/startkde/startplasma.cmake  2018-05-06 21:11:54.749023404 -0500

@@ -140,7 +140,8 @@ if test $? -ne 0; then

   exit 1

 fi

-qdbus org.kde.KSplash /KSplash org.kde.KSplash.setStage kinit &

+qdbus=qdbus-qt5

+$qdbus org.kde.KSplash /KSplash org.kde.KSplash.setStage kinit &

 # finally, give the session control to the session manager

 # see kdebase/ksmserver for the description of the rest of the startup sequence

@@ -169,13 +170,13 @@ if test x"$wait_drkonqi"x = x"true"x ; t

     # wait for remaining drkonqi instances with timeout (in seconds)

     wait_drkonqi_timeout=`kreadconfig5 --file startkderc --group WaitForDrKonqi --key Timeout --default 900`

     wait_drkonqi_counter=0

-    while qdbus | grep "^[^w]*org.kde.drkonqi" > /dev/null ; do

+    while $qdbus | grep "^[^w]*org.kde.drkonqi" > /dev/null ; do

         sleep 5

         wait_drkonqi_counter=$((wait_drkonqi_counter+5))

         if test "$wait_drkonqi_counter" -ge "$wait_drkonqi_timeout" ; then

             # ask remaining drkonqis to die in a graceful way

-            qdbus | grep 'org.kde.drkonqi-' | while read address ; do

-                qdbus "$address" "/MainApplication" "quit"

+            $qdbus | grep 'org.kde.drkonqi-' | while read address ; do

+                $qdbus "$address" "/MainApplication" "quit"

             done

             break

         fi

diff -up plasma-workspace-5.12.5/startkde/startplasmacompositor.cmake.startkde plasma-workspace-5.12.5/startkde/startplasmacompositor.cmake

--- plasma-workspace-5.12.5/startkde/startplasmacompositor.cmake.startkde       2018-05-01 08:03:40.000000000 -0500

+++ plasma-workspace-5.12.5/startkde/startplasmacompositor.cmake        2018-05-06 21:11:54.749023404 -0500

@@ -3,6 +3,8 @@

 #  DEFAULT Plasma STARTUP SCRIPT ( @PROJECT_VERSION@ )

 #

+qdbus=qdbus-qt5

+

 # We need to create config folder so we can write startupconfigkeys

 if [  ${XDG_CONFIG_HOME} ]; then

   configDir=$XDG_CONFIG_HOME;

@@ -120,12 +122,12 @@ fi

 # Get a property value from org.freedesktop.locale1

 queryLocale1() {

-    qdbus --system org.freedesktop.locale1 /org/freedesktop/locale1 "$1"

+    $qdbus --system org.freedesktop.locale1 /org/freedesktop/locale1 "$1"

 }

 # Query whether org.freedesktop.locale1 is available. If it is, try to

 # set XKB_DEFAULT_{MODEL,LAYOUT,VARIANT,OPTIONS} accordingly.

-if qdbus --system org.freedesktop.locale1 >/dev/null 2>/dev/null; then

+if $qdbus --system org.freedesktop.locale1 >/dev/null 2>/dev/null; then

     # Do not overwrite existing values. There is no point in setting only some

     # of them as then they would not match anymore.

     if [ -z "${XKB_DEFAULT_MODEL}" -a -z "${XKB_DEFAULT_LAYOUT}" -a \

@@ -175,7 +177,7 @@ fi

 export XDG_DATA_DIRS

 # Make sure that D-Bus is running

-if qdbus >/dev/null 2>/dev/null; then

+if $qdbus >/dev/null 2>/dev/null; then

     : # ok

 else

     echo 'startplasmacompositor: Could not start D-Bus. Can you call qdbus?'  1>&2