The actual patch is to configure.ac.  The diff is showing things that I
would move from my current "configure" file to "configure.ac"

On Fri, Mar 13, 2015 at 5:28 PM, Paul Eggert <eggert@cs.ucla.edu> wrote:

> Pete Williamson wrote:
>
>> --- a/configure
>> +++ b/configure
>>
>
> 'configure' is generated automatically from 'configure.ac' and other
> files, so patches to 'configure' are ineffective.  You need to patch
> configure.ac and the other files instead.
>
> If you need to patch config.guess and/or config.sub, they come from a
> different project and those changes need to be sent upstream, as described
> in those files.
>