[CFT] add a config.site cache for the ports

[Steve Wills]

> On 18 Mar 2013 17:42, "Baptiste Daroussin" <bapt at freebsd.org> wrote:
>>
>> Hi,
>>
>> The autotools allows us to have a config.site cache where we define our
> defaults
>> values for a couple of things, and prevent the "slow" and possibly wrong
>> autodetection.
>>
>> Here is a patch that makes use of it:
>> http://people.freebsd.org/~bapt/autotools_config_site.diff
>>
>> As the libiconv/gettext update has shown the configure scripts can fall
> back on
>> gnu version of commands first if it find it, and in case gettext is
> removed you
>> can get trouble.
>>
>> In this config.site, I hardcoded a couple of FreeBSD binaries in order
>> to
> always
>> use them, but I let the toolchain being autodetected.
>>
>> I also added a couple of headers to avoid useless checks and more can be
> added
>> in the futur.
>>
>> Any thought?
>
> This could save literally hours on package builds...
>
> Very exciting, thanks for this work!

Agreed, I like this a lot and will be testing it.

Steve