From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00
	autolearn=unavailable autolearn_force=no version=3.4.4
Path: 
 eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail
From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Warning message in macOS Mojave
Date: Thu, 27 Sep 2018 09:40:15 +0100
Organization: A noiseless patient Spider
Message-ID: <ly5zyr2v0w.fsf@pushface.org>
References: <0001HW.215A68D3001C54E170000EAB02EF@news.individual.net>
	<lypnx1o0rv.fsf@pushface.org>
	<0001HW.215AD2B600F20B6470000D3692CF@news.individual.net>
	<lya7o436iq.fsf@pushface.org>
	<0001HW.215BBF1B0129732470000D3692CF@news.individual.net>
Mime-Version: 1.0
Content-Type: text/plain
Injection-Info: reader02.eternal-september.org;
 posting-host="d0d153ca97ec1112fefeeeda5ab80b37";
	logging-data="16845"; mail-complaints-to="abuse@eternal-september.org";
	posting-account="U2FsdGVkX19fn34hORGK6K748FNX4yknva4fM6dJbnE="
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (darwin)
Cancel-Lock: sha1:iUH45tE+4m3ORmpxNSMgCw39z7M=
	sha1:LKpDX2xkshT2BG8Kh5nkFXd+ByY=
Xref: reader02.eternal-september.org comp.lang.ada:54431
Date: 2018-09-27T09:40:15+01:00
List-Id: <comp.lang.ada>

Bill Findlay <findlaybill@blueyonder.co.uk> writes:

> I am using GNAT CE 2018, with a new unmodified Mojave install on my 2017 MBP.

I installed Mojave over High Sierra on an external USB.

> The same. What about:
>
>> $ cksum /usr/lib/libSystem.B.dylib
>> 638756186 60880 /usr/lib/libSystem.B.dylib

The same.

> I am using the build command:
>
>> gnatmake -aI../Source -aO../Build -funwind-tables -gnatl12j96
>> -gnatw.e -gnatwD -gnatwH -gnatwP -gnatwT -gnatw.W -gnatw.B -gnatwC
>> -gnatw.u -gnatyO -gnatw.Y -fdata-sections -ffunction-sections -gnatfn
>> -mtune=native -O3 -flto -j0 ee9 -bargs -static -Sin -largs
>> -Wl,-dead_strip -Wl,-dead_strip -flto
>
> LTO has been dodgy in the past, but removing that option still results
> in the warning.

Some build command! Remind me where your ee9 sources are? I've been
using just hello.adb for this check.

I don't think that -fdata-sections, -ffunction-sections are useful on
macOS, because Apple's clang ld doesn't support -gc-sections.