how do ports install into ${destroot} instead of into ${prefix} directly?

[Daniel J. Luke]

> On Dec 11, 2014, at 3:14 PM, René J.V. Bertin <rjvbertin at gmail.com> wrote:
> The Makefiles in question already contained INSTALL_ROOT. I doubt that the developer would be interested in replacing that with DESTDIR...

so you just need to set destroot.destdir INSTALL_ROOT=${destroot}

--
Daniel J. Luke                                                                   
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