From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by sourceware.org (Postfix) with ESMTPS id 943F43858D33 for ; Sun, 24 Apr 2022 17:19:55 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 943F43858D33 Received: by mail-wm1-x32b.google.com with SMTP id q20so8000715wmq.1 for ; Sun, 24 Apr 2022 10:19:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=JfF2pgNcT15/Qgx0uMuVkC5EXkNENyDoTXtv6oRuzjQ=; b=r13tZ3E6Z3yeY1owoW3xKysqBIIA1BtJv8XCzDKW85TiEvnA6bAbUdSEqehUKm+98h iOobVTuZ84vP8z/s088UeSW5MPu4qR9LlNZbK3PT5/vHFi8sCJ+1m6cTecIXqZsprofa pRXXkc6Q5fLQztmZWKWSo/BJCg8W2HzY3KmRXdFhRX0RIgG3m2FLaPK/20/imhgxMPff QYPbBcF+VIdbGe3h9R7jAEBFSWLyPzERXhJJLoQ5veA4C4eipCtYL8uaQcmFxrFSRI2x Ia+VImB9lyDWY27vUgMDNfI1d+/K6CF0nOX+mqRVYF+DDg1yo0oUnyrcHe2IGULGnqPI R15w== X-Gm-Message-State: AOAM533clg3V9wfOBpWIzWJ7nzgd0aZAC20mWAZ1VZgf5WsM5UYLx/By /k371suW1hR9t7BbzU6RY0ACUB2yTajB0CGpRV+Ge56s X-Google-Smtp-Source: ABdhPJwNTWUgyGXA1SSabmCbISnvGoek8Oejq64CxTbbYwtVkg2gpXfK0GBMlccTwX6yt0eJOLHXjMC1D98b/LZuy88= X-Received: by 2002:a05:600c:3555:b0:392:68aa:a46d with SMTP id i21-20020a05600c355500b0039268aaa46dmr22581493wmq.20.1650820794375; Sun, 24 Apr 2022 10:19:54 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Jonathan Wakely Date: Sun, 24 Apr 2022 18:19:42 +0100 Message-ID: Subject: Re: Compiler problem with gfortran To: "C. David Whiteman" Cc: gcc-help X-Spam-Status: No, score=-0.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, HTML_MESSAGE, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: gcc-help@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-help mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 24 Apr 2022 17:19:57 -0000 On Sun, 24 Apr 2022, 18:15 Jonathan Wakely, wrote: > > > On Sun, 24 Apr 2022, 17:59 C. David Whiteman via Gcc-help, < > gcc-help@gcc.gnu.org> wrote: > >> Am having some trouble compiling a simple fortran program on my M1 >> MacBook Air. I am using the latest MacOS, Monterey 12.3.1, and the lates= t >> version of Xcode. I installed Homebrew and gcc to update my old version = of >> gfortran. The fortran program on my desktop will compile when I use the >> command gfortran -c skippy.f, producing the executable file skippy.o > > > That's not an executable file, it's an object file. You used the -c optio= n > which says to stop after compilation and not link the object into an > executable. > > If you remove the -c option you'll get an executable. > Oh but I see that when you tried that you got an error due to -lSystem being absent. That's not a gfortran library, so it looks like you need to install some additional packages on your Mac. Maybe the xcode command line tools or something. > > > > on my desktop. But I can=E2=80=99t get the executable file to run. I am a= n amateur >> and am really not that familiar with the unix commands, etc. Can someone >> give me some advice on this? Thanks. >> >> -Dave >> >> ~/Desktop 519 $ gfortran -o skippy.f >> gfortran: fatal error: no input files; unwilling to write output files >> compilation terminated. >> ~/Desktop 520 $ gfortran -c skippy.f >> ~/Desktop 521 $ ./skippy.o >> -bash: ./skippy.o: Permission denied >> ~/Desktop 522 $ gfortran skippy.f >> ld: library not found for -lSystem >> collect2: error: ld returned 1 exit status >> ~/Desktop 523 $ g77 skippy.f >> -bash: g77: command not found >> ~/Desktop 524 $ > >