Since we can't use 2.95.2 anyhow...

[Benjamin Kosnik]

> +  This tests for 3.x rather than 2.95.2.
> 
> +  Also, this updates AM_INIT_AUTOMAKE to the current snapshot, just for
>    sanity reasons.

okay

> +  This removes checking for the -fdiagnostics* switches; if we demand
>    3.x, we know those are present.  Not included right now are the 3
>    trivial patches to the 3 files (configure.in, libsupc++/Makefile.am,
>    src/Makefile.am) where WFMT_FLAGS was used; I replaced it with
>    -fdiagnostics* directly.

okay

> +  We go through several steps to set GLIBCPP_CFLAGS and GLIBCPP_CXXFLAGS
>    early in GLIBCPP_CONFIGURE -- and never use them.
 
I'm in favor of nuking them if unused. 

-benjamin