Re: rust fails to build on NetBSD/7 amd64

[Ryo ONODERA <ryo%tetera.org@localhost>]

Hi,

Sorry for my very late replay.
And thanks for your notice.

I will commit the fix tonight.

From: Greg Troxel <gdt%lexort.com@localhost>, Date: Mon, 27 Aug 2018 19:47:22 -0400

> 
> This is new; it built at least for Q2, more or less.
> 
> It complains about a bootstrap tool not working, and running that by
> hand (without understanding the twisty maze of environment variables
> that might have to be set):
> 
> $ /home/n0/gdt/pkgsrc-current/pkgsrc/lang/rust/work/rustc-1.28.0-src/build/bootstrap/debug/bootstrap -v dist
> thread 'main' panicked at ''BUILD' to be set: NotPresent', libcore/result.rs:945:5
> note: Run with `RUST_BACKTRACE=1` for a backtrace.

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Ryo ONODERA // ryo%tetera.org@localhost
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