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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: problems with gnat on yosemite macox
Date: Mon, 20 Oct 2014 08:41:48 +0100
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Date: 2014-10-20T08:41:48+01:00
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Leo Brewin <leo.brewin@internode.on.net> writes:

> /opt/local/bin/ld -dynamic -arch x86_64 -macosx_version_min 10.10.0 -weak_reference_mismatches non-weak -o lcb01 -L./ -L/opt/gcc-4.9.1-yosemite/lib/gcc/x86_64-apple-darwin13/4.9.1/adalib/ -L/opt/gcc-4.9.1-yosemite/lib/gcc/x86_64-apple-darwin13/4.9.1 -L/opt/gcc-4.9.1-yosemite/lib/gcc/x86_64-apple-darwin13/4.9.1/../../.. b~lcb01.o ./lcb01.o -v /opt/gcc-4.9.1-yosemite/lib/gcc/x86_64-apple-darwin13/4.9.1/adalib/libgnat.a -no_compact_unwind -lSystem -lgcc_ext.10.5 -lgcc -lSystem
> @(#)PROGRAM:ld  PROJECT:ld64-136
> configured to support archs: i386 x86_64 armv7 armv7s

On my systems (both Mavericks & Yosemite), it's /usr/bin/ld and it
reports itself as

   @(#)PROGRAM:ld  PROJECT:ld64-241.8
   configured to support archs: armv6 armv7 armv7s arm64 i386 x86_64
   x86_64h armv6m armv7m armv7em

I don't have Yosemite on another machine (it's an alternate boot on this
machine), so I can't immediately check the build that works, but those
are the only changes from a Mavericks build.

Where did /opt/local/bin/ld come from? It's clearly an Apple build, not
GNU.