> Have you upgraded any cygwin packages recently? > > Curt.
It used to be that when running aclocal in CygWin one had to do it like this: aclocal -I . I just updated to the very latest CygWin in all things. SimGear, at least, built easily using aclocal with NO arguments, i.e.: aclocal The whole build procedure I used is in a perl script (available in JSBSim CSV, called createfgfs.pl"). The procedure is: aclocal automake -a autoconf 'CFLAGS="" CXXFLAGS="" ./configure --with-logging make install This works for me when building SimGear. Curiously, "aclocal -I ." was in the build procedure for plib, and that worked. I am going to try building FlightGear, now. The important point about all of this is that it could be that now FlightGear can be built with a stock CygWin - no reversion may now be necessary for various auto* tools. Jon _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel