Index: xtensor/CMakeLists.txt
===================================================================
--- xtensor.orig/CMakeLists.txt	2026-02-09 02:19:20.006091317 +0100
+++ xtensor/CMakeLists.txt	2026-02-09 02:28:42.065600362 +0100
@@ -16,7 +16,7 @@
 set(XTENSOR_DATA_DIR "share/xeus-cpp")
 set(XTENSOR_TAGFILES_DIR ${CMAKE_CURRENT_SOURCE_DIR}/share/xeus-cpp/tagfiles)
 
-set(XTENSOR_CONF_DIR "etc/xeus-cpp")
+set(XTENSOR_CONF_DIR "${CMAKE_INSTALL_SYSCONFDIR}/xeus-cpp")
 set(XTENSOR_TAGCONFS_DIR ${CMAKE_CURRENT_SOURCE_DIR}/etc/xeus-cpp/tags.d)
 
 file(COPY "${XTENSOR_TAGFILES_DIR}" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/share/xeus-cpp")