Re: port-evbarm/51653: pkgsrc breaks on RPI - evbarm vs. earm

[David Holland <dholland-pbugs%netbsd.org@localhost>]

The following reply was made to PR pkg/51653; it has been noted by GNATS.

From: David Holland <dholland-pbugs%netbsd.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: port-evbarm/51653: pkgsrc breaks on RPI - evbarm vs. earm
Date: Fri, 2 Dec 2016 17:00:28 +0000

 On Fri, Dec 02, 2016 at 04:50:01PM +0000, David Holland wrote:
  >>  What should Go building binaries for NetBSD on other operating
  >>  systems use?
  >>  For Go, cross compiling for netbsd/arm is a matter of GOOS=netbsd
  >>  and GOARCH=arm.
  >  
  >  Same as otherwise, that is, whatever's baked in when the compiler is
  >  built.
  >  
  >  Because Go doesn't use the libc interface, the binary interface it
  >  does use (for any target OS and CPU) is whatever it thinks it ought to
  >  be using when it builds its static runtime.
  >  
  >  If it gets that by probing the kernel it's building against, then it
  >  should use the version from that kernel.
  >  
  >  If it gets it from some static table of lore about what it thinks the
  >  ABI is, then it's ~always going to be wrong so it probably doesn't
  >  matter :-)
 
 That is, suppose I compile with GOOS=buggix GOARCH=sporc; it must have
 a static runtime for sporc-buggix. Where does/did it get the ABI
 constants for that?
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost