Index: galera-4-26.4.11/CMakeLists.txt
===================================================================
--- galera-4-26.4.11.orig/CMakeLists.txt
+++ galera-4-26.4.11/CMakeLists.txt
@@ -12,6 +12,7 @@ include(CheckIncludeFile)
 include(CheckIncludeFileCXX)
 include(CheckCXXCompilerFlag)
 include(CheckLibraryExists)
+include(GNUInstallDirs)
 
 include_directories(
   ${PROJECT_SOURCE_DIR}
@@ -43,6 +44,9 @@ option(GALERA_GCS_SM_DEBUG
 option(GALERA_GU_DEBUG_MUTEX "Enable mutex debug instrumentation" OFF)
 option(GALERA_GU_DBUG_ON "Enable sync point macros (ON for Debug builds)" OFF)
 
+option(GALERA_SYSTEMD_UNITDIR "The directory where the systemd units will be installed"
+       ${CMAKE_INSTALL_LIBDIR}/systemd/system)
+
 #
 # Set cmake policies before doing any checks.
 #
@@ -112,9 +116,9 @@ if (NOT ${CMAKE_SYSTEM_NAME} MATCHES ".*
     ${PROJECT_SOURCE_DIR}/AUTHORS
     ${PROJECT_SOURCE_DIR}/COPYING
     ${PROJECT_SOURCE_DIR}/README
-    DESTINATION doc)
+    DESTINATION ${CMAKE_INSTALL_DOCDIR})
   install(FILES ${PROJECT_SOURCE_DIR}/asio/LICENSE_1_0.txt
-    DESTINATION doc
+    DESTINATION ${CMAKE_INSTALL_DOCDIR}
     RENAME LICENSE.asio)
 endif()
 
Index: galera-4-26.4.11/galera/src/CMakeLists.txt
===================================================================
--- galera-4-26.4.11.orig/galera/src/CMakeLists.txt
+++ galera-4-26.4.11/galera/src/CMakeLists.txt
@@ -112,7 +112,7 @@ endif()
 
 target_link_libraries(galera_smm galera ${GALERA_LINK_OPTIONS})
 
-install(TARGETS galera_smm DESTINATION lib)
+install(TARGETS galera_smm DESTINATION ${CMAKE_INSTALL_LIBDIR})
 
 # The following checks are guaranteed to work only
 # Linux platform, we skip them on others.
Index: galera-4-26.4.11/garb/CMakeLists.txt
===================================================================
--- galera-4-26.4.11.orig/garb/CMakeLists.txt
+++ galera-4-26.4.11/garb/CMakeLists.txt
@@ -31,14 +31,18 @@ target_compile_options(garbd
 target_link_libraries(garbd gcs4garb gcomm gcache
   ${Boost_PROGRAM_OPTIONS_LIBRARIES})
 
-install(TARGETS garbd DESTINATION bin)
+install(TARGETS garbd DESTINATION ${CMAKE_INSTALL_BINDIR})
 if (NOT ${CMAKE_SYSTEM_NAME} MATCHES ".*BSD")
   install(FILES
     ${CMAKE_CURRENT_SOURCE_DIR}/files/garb.cnf
+    DESTINATION ${CMAKE_INSTALL_SYSCONFDIR})
+  install(FILES
     ${CMAKE_CURRENT_SOURCE_DIR}/files/garb.service
+    DESTINATION ${GALERA_SYSTEMD_UNITDIR})
+  install(PROGRAMS
     ${CMAKE_CURRENT_SOURCE_DIR}/files/garb-systemd
-    DESTINATION share)
+    DESTINATION ${CMAKE_INSTALL_LIBEXECDIR})
   install(FILES
     ${PROJECT_SOURCE_DIR}/man/garbd.8
-    DESTINATION man/man8)
+    DESTINATION ${CMAKE_INSTALL_MANDIR}/man8)
 endif()
Index: galera-4-26.4.11/garb/files/garb.service
===================================================================
--- galera-4-26.4.11.orig/garb/files/garb.service
+++ galera-4-26.4.11/garb/files/garb.service
@@ -13,7 +13,7 @@ Alias=garbd.service
 [Service]
 User=garb
 Group=garb
-ExecStart=/usr/bin/garb-systemd start
+ExecStart=/usr/libexec/garb-systemd start
 
 # Use SIGINT because with the default SIGTERM
 # garbd fails to reliably transition to 'destroyed' state