[PATCH v4 04/20] add configury

[Tom Tromey]

Gerald>  - When I do a gmake at the top level of the build tree, nothing is 
Gerald>    rebuilt at all.  This only happens during `gmake install`
[...]
Gerald> Is nobody else seeing this?  Or is everyone just lucky enough to have
Gerald> a recent version of GCC as the default compiler?

How exactly are you configuring and invoking "make"?
I will try to reproduce it.

Tom