+dnl Die if the user tries to configure as root, see:
+dnl https://www.redhat.com/archives/libguestfs/2010-April/msg00098.html
+AC_MSG_CHECKING([if you are trying to configure as root])
+AS_IF([test "`id -u`" = 0 ],[
+ AC_MSG_RESULT([yes])
+ AC_MSG_FAILURE([Don't run './configure' or 'make' as root.])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
+
+dnl Early gnulib initialization.