Thought my last comment was obvious, but here's it more explicitly: requires https://github.com/MariaDB/server/pull/2893 as debian explicit architectures aren't neede since dh_auto_configure handles this.
If it works, upstream welcome. Hurd string from uname -m, "SYSTEM processor: i686-AT386" in mariadb output. And wiki reference https://en.wikipedia.org/wiki/Uname diff --git a/cmake/build_configurations/mysql_release.cmake b/cmake/build_configurations/mysql_release.cmake index 961db1b13b0..e8431ca831f 100644 --- a/cmake/build_configurations/mysql_release.cmake +++ b/cmake/build_configurations/mysql_release.cmake @@ -118,7 +118,10 @@ ELSEIF(DEB) SET(WITH_ZLIB system CACHE STRING "") SET(WITH_LIBWRAP ON) SET(HAVE_EMBEDDED_PRIVILEGE_CONTROL ON) - SET(PLUGIN_AUTH_SOCKET YES CACHE STRING "") + # No hurd implementation + IF(NOT CMAKE_SYSTEM_PROCESSOR STREQUAL "i686-AT386") + SET(PLUGIN_AUTH_SOCKET YES CACHE STRING "") + ENDIF() SET(WITH_EMBEDDED_SERVER ON CACHE BOOL "") SET(WITH_PCRE system CACHE STRING "") SET(CLIENT_PLUGIN_ZSTD OFF)