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,FREEMAIL_FROM
	autolearn=unavailable autolearn_force=no version=3.4.4
X-Received: by 2002:a02:3d4e:: with SMTP id
 n75-v6mr30119809jan.51.1537426189961;
        Wed, 19 Sep 2018 23:49:49 -0700 (PDT)
X-Received: by 2002:aca:af15:: with SMTP id y21-v6mr181841oie.6.1537426189705;
 Wed, 19 Sep 2018 23:49:49 -0700 (PDT)
Path: 
 eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!feeder.eternal-september.org!news.gegeweb.eu!gegeweb.org!usenet-fr.net!proxad.net!feeder1-2.proxad.net!209.85.166.216.MISMATCH!x81-v6no24727ita.0!news-out.google.com!c63-v6ni63ith.0!nntp.google.com!x81-v6no24726ita.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail
Newsgroups: comp.lang.ada
Date: Wed, 19 Sep 2018 23:49:49 -0700 (PDT)
In-Reply-To: <pnthlc$5gu$1@dont-email.me>
Complaints-To: groups-abuse@google.com
Injection-Info: glegroupsg2000goo.googlegroups.com;
 posting-host=176.130.29.212;
 posting-account=6yLzewoAAABoisbSsCJH1SPMc9UrfXBH
NNTP-Posting-Host: 176.130.29.212
References: <pnt2f3$b47$1@dont-email.me>
 <7d702172-407e-4bc4-865e-214807540692@googlegroups.com>
 <pnthlc$5gu$1@dont-email.me>
User-Agent: G2/1.0
MIME-Version: 1.0
Message-ID: <206166ac-2e3a-446e-96a9-c7b72a6a4e5c@googlegroups.com>
Subject: Re: gnat via msys2 pacman + xml/ada
From: briot.emmanuel@gmail.com
Injection-Date: Thu, 20 Sep 2018 06:49:49 +0000
Content-Type: text/plain; charset="UTF-8"
Xref: reader02.eternal-september.org comp.lang.ada:54384
Date: 2018-09-19T23:49:49-07:00
List-Id: <comp.lang.ada>

> GNAT-TEMP-000001.TMP:1:01: "project" expected
> gprbuild: processing of configuration project
> "C:\tmp\GNAT-TEMP-000001.TMP" failed
> mingw32-make: *** [Makefile:61: static] Error 4


Does C:\tmp exist on your system ? I think on Windows you need to setup some environment variable to point to a proper tmp directory.
I haven't used Windows in years so I can't be more helpful, sorry...