[Bug plugins/49744] Use of prev-gcc/xgcc as PLUGINCC breaks bootstap-lean tests

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49744

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.07.14 09:44:42
                 CC|                            |ebotcazou at gcc dot
                   |                            |gnu.org
     Ever Confirmed|0                           |1

--- Comment #1 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-07-14 09:44:42 UTC ---
> I've often observed that the plugin tests come up as UNSUPPORTED, either in
> a bootstrap-lean build of if I've removed {stage1,prev}-* to save space.
> This happens because for some reason PLUGINCC is set to prev-gcc/xgcc, which
> may not exist any longer at this point.

PLUGINCC must be in keeping with the auto-host.h file of the last stage if you
bootstrap the compiler.  Or else the plugin test harness must be modified.