We have some downstream patches and other scripts that include variables to

be expanded by cmake. Cmake needs to know about them, so adding them manually.

 # Install libgcc as  mylibgcc.a

--- mariadb-10.5.5/scripts/CMakeLists.txt.old	2020-09-24 10:13:35.272589689 +0200

+++ mariadb-10.5.5/scripts/CMakeLists.txt	2020-09-24 10:17:31.428985798 +0200

@@ -377,6 +377,34 @@

       INSTALL_LINK(${file} ${binname} ${INSTALL_BINDIR} ${${file}_COMPONENT})

     ENDIF()

   ENDFOREACH()

+

+  # files for systemd

+  SET(SYSTEMD_SCRIPTS

+    mysql.tmpfiles.d

+    mysql.service

+    mysql@.service

+    mysql-prepare-db-dir

+    mysql-check-socket

+    mysql-check-upgrade

+    mysql-scripts-common

+    mysql_config_multilib

+    clustercheck

+    galera_new_cluster

+    my.cnf

+  )

+  FOREACH(file ${SYSTEMD_SCRIPTS})

+    IF(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${file}.sh)

+      CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/${file}.sh

+        ${CMAKE_CURRENT_BINARY_DIR}/${file} ESCAPE_QUOTES @ONLY)

+    ELSEIF(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${file}.in)

+      CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/${file}.in

+        ${CMAKE_CURRENT_BINARY_DIR}/${file} ESCAPE_QUOTES @ONLY)

+    ELSE()

+      MESSAGE(FATAL_ERROR "Can not find ${file}.sh or ${file}.in in "

+        "${CMAKE_CURRENT_SOURCE_DIR}" )

+    ENDIF()

+  ENDFOREACH()

+

 ENDIF()

 # Install libgcc as  mylibgcc.a