Re: AC_CHECK_DECLS(basename) (Was: Re: Ping: patches required for --enable-build-with-cxx)

[Paolo Bonzini]

>> Maybe we can use this in AC_CHECK_DECLS instead of having a new
>> separate macro.  If there is a parenthesis in the name call the new
>> version, if there is none, call the old one.
>
> You shouldn't need to keep the old version around, it's supposed to be
> a drop-in replacement.  The reason I used a new name was that I'm not
> sure if GCC project can wait till we have a suitable macro in autoconf.

Yes, I saw that now in the libcpp part of your patch.  That's even better!

> Even if you put it now into the autoconf codebase, GCC would presumably
> have to wait for some time after the next release to use it.

We have a mechanism for importing code from newer Autoconf versions
(in config/override.m4).

Paolo