Actual error earlier in logs: -- Performing Test HAVE_PEERCRED -- Performing Test HAVE_PEERCRED - Failed -- Performing Test HAVE_SOCKPEERCRED -- Performing Test HAVE_SOCKPEERCRED - Failed -- Performing Test HAVE_XUCRED -- Performing Test HAVE_XUCRED - Failed -- Performing Test HAVE_UNPCBID -- Performing Test HAVE_UNPCBID - Failed -- Performing Test HAVE_GETPEERUCRED -- Performing Test HAVE_GETPEERUCRED - Failed -- Performing Test HAVE_GETPWUID_POSIX_FINAL -- Performing Test HAVE_GETPWUID_POSIX_FINAL - Failed -- Performing Test HAVE_PEERCRED_STRUCT -- Performing Test HAVE_PEERCRED_STRUCT - Failed .... CMake Error at cmake/plugin.cmake:327 (MESSAGE): Plugin AUTH_SOCKET cannot be built Call Stack (most recent call first): CMakeLists.txt:434 (CONFIGURE_PLUGINS)
So no known AUTH_SOCKET implementation on hurd is there, but the authentication is forced on.