On 27 Nov 2019, at 15:50, Dave Allured - NOAA Affiliate via macports-users wrote:

I found advice suggesting that the maximum command length is related to the stack size. I am not sure this is correct for Mac OS. However, if true,
this would be an easy fix for argument list too long.

Can anyone tell me whether increasing the stack size would increase the
maximum command length?

Unlikely. That limit is set at kernel build time, in the kern.argmax parameter which is a maximum byte count. On MacOS X (since before Snow Leopard and at least though Mojave) this is 256K. Looking at the ticket, is seems that in your case the command line is close to 270K and that using the default install prefix would cut about 50K from that.

--
Bill Cole
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(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Not For Hire (currently)

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