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From: Bill Findlay <yaldnif.w@blueyonder.co.uk>
Newsgroups: comp.lang.ada
Subject: Re: GCC 4.8.1 for Mac OS X
Date: Sun, 21 Jul 2013 02:06:16 +0100
Message-ID: <CE10F298.32E77%yaldnif.w@blueyonder.co.uk>
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 <a944c0c4-cff4-4318-9b73-ecd208967b99@googlegroups.com>
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Xref: news.eternal-september.org comp.lang.ada:16451
Date: 2013-07-21T02:06:16+01:00
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On 21/07/2013 01:59, in article
a944c0c4-cff4-4318-9b73-ecd208967b99@googlegroups.com, "Michael Rohan"
<michael@zanyblue.com> wrote:

 
> Not sure if this is simply a setup issue on my MacBook (this is the first Mac
> system I've worked on) but when I try to build an application I run into a
> linker issue:
> 
> $ make
> gnatmake -p -XOS=unix -XTYPE=static -XBUILD=Debug -aP../../lib/gnat
> -aP../../src -P zbmcompile
> gnatbind -x /Users/mrohan/zb/zanyblue/src/obj/zbmcompile-main.ali
> gnatlink /Users/mrohan/zb/zanyblue/src/obj/zbmcompile-main.ali -g
> /Users/mrohan/zb/zanyblue/lib/zanyblue/libzanyblue.a
> -Wl,-rpath,/opt/gcc-4.8.1/lib/gcc/x86_64-apple-darwin12/4.8.1/adalib/ -o
> /Users/mrohan/zb/zanyblue/bin/zbmcompile
> ld: unknown option: -R
> collect2: error: ld returned 1 exit status
> gnatlink: error when calling /opt/gcc-4.8.1/bin/gcc
> gnatmake: *** link failed.
> make: *** [all] Error 4

I had a similar problem with GNAT GPL 2102.  You need to install the latest
Xcode 4.4, but that does not install by default the command line tools
/usr/bin{as, ld, make} needed by GNAT. It is necessary to invoke:

  Xcode > Preferences... > Downloads  >  Command Line Tools: Install

It's about a 115MB download.

Once completed, GNAT GPL 2102 was restored to sanity, so that might be what
you need with GCC 4.8.1

-- 
Bill Findlay
with blueyonder.co.uk;
use  surname & forename;