Automatic dependency tracking

[Tom Tromey]

>>>>> "Daniel" == Daniel Jacobowitz <drow@false.org> writes:

Daniel> Option two: we could require GNU make.

FWIW it is pretty easy to implement automake-style dependency tracking
with GNU make.  This failed for GCC, due to make bugs, but GCC's
Makefiles are weird.

GNU make is really much nicer than the other alternatives.

Daniel> Option four: We could borrow logic from BFD to generate dependency
Daniel> lists.  What's going on with this code anyway?  Why does BFD need
Daniel> dependency lists in Makefile.am if it uses automake?

The BFD code predates Automake and, as I recall, was deemed to work
well enough.

Tom