Hot to configure sinf?

[Gabriel Dos Reis]

Jan Hubicka <jh@suse.cz> writes:

[...]

| 3) Same as 1) but use autoconf to determine presence of builtins for
| noncrosscompiler builds
| 4) Push missing functions into libgcc with config.gcc having list of
| missing functions  (that would remove the libstdc++ issues too)
| (I see possible problem here for configurations with multiple runtimes,
| like cygwin/mingw)
| 
| What sounds most plausible?

I'm leaning toward 3) since it is clearly C/C++ specific and much
flexible. 

-- Gaby