Add TBMAINSITE to config.h

config.h.in

 /* config.h.in.  Generated from configure.ac by autoheader.  */
 
+/* The Mothership. */
+#undef TBMAINSITE
+
 /* Actual FS mount directory for AMD */
 #undef AMD_ROOT
 

configure

@@ -5333,6 +5333,9 @@ cat >>confdefs.h <<_ACEOF
 #define TBDBNAME "$TBDBNAME"
 _ACEOF
 
+cat >>confdefs.h <<_ACEOF
+#define TBMAINSITE $TBMAINSITE
+_ACEOF
 
 cat >>confdefs.h <<_ACEOF
 #define TBERRORLOGDBNAME "$TBERRORLOGDBNAME"

configure.ac

@@ -608,6 +608,7 @@ if test x"$prefix" = x"NONE"; then
 else
     AC_DEFINE_UNQUOTED(TBROOT, "$prefix", [FS base for Emulab files])
 fi
+AC_DEFINE_UNQUOTED(TBMAINSITE, $TBMAINSITE, [The Mothership])
 AC_DEFINE_UNQUOTED(TBDBNAME, "$TBDBNAME", [Emulab DB name])
 AC_DEFINE_UNQUOTED(TBERRORLOGDBNAME, "$TBERRORLOGDBNAME", [Emulab errorlog DB])
 AC_DEFINE_UNQUOTED(TBADMINGROUP, "$TBADMINGROUP", [Unix group of admin user])