set merger_configure_env question

[Ken Cunningham]

> On Dec 30, 2017, at 9:20 AM, Marcus Calhoun-Lopez <mcalhoun at macports.org> wrote:
> 
>> # Required when cross-compiling.
>> foreach arch ${configure.universal_archs} {
>>    lappend merger_configure_env(${arch})  libIDL_cv_long_long_format=ll
>> }



Turns out none of these shenanigans are needed.

Looks like simply doing this:

configure.env-append libIDL_cv_long_long_format=ll

propagates that env variable to all archs being built by the muniversal PortGroup without any further tricks, and works correctly, just as you would hope it would.

Ken