On May 22, 2010, at 18:30, Scott Haneda wrote:
>>> Is it possible in a Portfile to describe the installation in a way that a
>>> distro is downloaded, unpacked, and only referenced, and then cleaned up
>>> when done?
>>
>> Well yes, but only if the boost distfile were listed in your powerdns port.
>> And this would cause the boost distfile to be downloaded again. So that's
>> not optimal for all those users who already have boost downloaded and
>> installe
>
> Ok, got it. Hmm, with how long Boost takes to build, I am not sure the best
> thing to do. I don't want users to have to build Boost at all, just get the
> include files they need.
>
> Would it be appropriate to do something like:
>
> if boost is installed
> -I/opt/local/include
> else
> download boost
> -Ifiles/whatever-boost-downloads-as/
> end if
>
> Is that possible to do? If it is possible, I will start looking at the docs
> for how, unless someone knows a port that does something similar that I can
> learn from. Thanks.
Sounds possible. I doubt there's documentation on how to do this very specific
thing.
I guess the code would run something like:
if ${prefix}/include/boost exists, do nothing
otherwise distfiles-append the boost distfile and configure.cppflags-append
-I${worksrcpath}/boost-1.42.0
And you'd have to add the boost checksums and master_sites.
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