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>>>>> "Todd" == Todd Whitesel <toddpw@wrs.com> writes: Todd> Is there any way for configure to detect & complain about this, Todd> or am I now in RTFM land? Builddir!=srcdir builds are only supported with GNU make. This is a longstanding limitation of basically any GNU-style utility. That's because most vendor makes incorrectly implement VPATH (whether yours is one such I don't know offhand, but based on your reports I would say yes). You cannot detect this at configure time because you don't know which `make' the user is going to run. E.g. you might do `configure; gmake' -- in which case any configure complaint would be incorrect. It might be possible to detect this at `make' time, but I haven't given it any thought. If you know of a way to do it, I'd like to know -- I'll add it to automake. Tom