X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:subject:to:references:from:message-id:date :mime-version:in-reply-to:content-type :content-transfer-encoding; q=dns; s=default; b=uGfMH1lsU+oZQZee vv9dmi2fY6uTcO3Vr49Uk56OA01eCxlKtASZ8RXo6ZZANMF820sx6wTpwRllFd2o yfLzLtcxBytmEnhoHRTFMzXFLC9PrE1ZCcC3YZc/64WCSIajNF3NTkwFknCN5ZWE qPRP/lo+Xr5/MDzfDBccATysCgM= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:subject:to:references:from:message-id:date :mime-version:in-reply-to:content-type :content-transfer-encoding; s=default; bh=lgqYVe2i/iY5C4Rh54YfYB 3V/54=; b=rBCtzEkEK9BUK9sg2ullUP0RRiPjk2XlfgeRIeOf8H15cSWa/fmQXD q2sHLYCULrSspmsaRCh2CTIL8bdfH2+5k9dEPB/n6gzpP6OjbOnPiDzytuePQ5gy c0Utbc0h2ntAyOJfrXaJbS1VPUJkBPFs3mEok/dNV3G4NAm6gwm78= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham version=3.3.2 spammy=alarm, click X-HELO: mail-pg0-f41.google.com X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:newsgroups:references:from:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=j+r/3av0SBt5CO9kZ1H8JZcU1hd2JTihgKvDI3PwP2Y=; b=S/AcCZw/AcXdNNFTxnfRZKHZfS+GEh3OfkO331cFfAWcY5AeqJSsg4ZNBzLPowBP/i 5SvqpMgNzAPzvGi9nD/uk5azqFzMux3vkYGXCXy9ppsTXlo94m0j3Dmdr/gdo6pNQkwB UtVCsE1zi1W7OBnzEamMg4zTc40z6cBDywpySHat6hVaTdkOHgH12Ai3cNG1siz6J9fL sZaOtYw9TroclqSNqerOcIT4Z4PxeHWWWe13X/tfuiUQjIYmp3vZfAuBlqW8wY5w2/jo 6EnWj4jvAqzectXcwXn93YggBAJYNLHbPQXxMLdllUBg4BP6j/G9mDOvHotQCD38g1eC Mg/Q== X-Gm-Message-State: AIVw110kDQAIp5jp++pkRpNGw5EwUUQfBc3HPeL7weInoj6egP+MZ4sm N/4+Mu8BHm7rsmiH0FY= X-Received: by 10.99.121.201 with SMTP id u192mr5914912pgc.214.1501205084588; Thu, 27 Jul 2017 18:24:44 -0700 (PDT) Subject: Re: [ANNOUNCEMENT] Updated: gcc-6.3.0-2 (x86/x86_64)(Test) To: cygwin AT cygwin DOT com Newsgroups: gmane.os.cygwin References: <8dd126b8-69aa-fb61-c12a-3d4afb821a66 AT cornell DOT edu> <1a57c104-79d1-2ea7-90d3-2be3182a2e1e AT otoy DOT com> <120c0997-0182-f4e6-0dfd-5d5afd6fd182 AT gmail DOT com> <8c67221f-19b9-26a3-2562-53a1b01e5fb9 AT otoy DOT com> From: Ross Smith Message-ID: <1e8b1bd6-f2f4-7e70-c7fe-7f5b29a6c325@otoy.com> Date: Fri, 28 Jul 2017 13:24:41 +1200 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit On 2017-07-28 09:45, Ken Brown wrote: > On 7/27/2017 5:39 PM, Ross Smith wrote: >> On 2017-07-28 09:19, Marco Atzeri wrote: >>> On 27/07/2017 23:04, Ross Smith wrote: >>>> >>>> gcc 6.3 works fine for me unless I use threads. Any C++ program that >>>> uses std::thread (and worked with the previous gcc) will fail. Simple >>>> example: >>>> >>>> #include >>>> #include >>>> void payload() { >>>> std::cout << "Thread\n"; >>>> } >>>> int main() { >>>> std::cout << "Start\n"; >>>> std::thread t(payload); >>>> t.join(); >>>> std::cout << "Done\n"; >>>> } >>>> >>>> Build and run with: >>>> >>>> g++ thread.cpp -o thread && ./thread || echo Fail >>>> >>>> This will print Fail, indicating that the executable errored out. >>>> There's no other output. Sorry, I'm not familiar enough with gcc >>>> debugging to narrow down the error further. >>>> >>>> Code that uses raw pthreads instead of the C++ API works fine. >>>> >>>> (I'm running 64-bit Cygwin on Windows 8.1.) >>>> >>>> Ross Smith >>>> >>> >>> it works for me on W7-64 >>> >>> ./thread || echo "fail" >>> Start >>> Thread >>> Done >>> >>> $ g++ --version >>> g++ (GCC) 6.3.0 >> >> That's interesting. Maybe I have something wrong with my installation? >> I updated the gcc-core, gcc-g++, and libgcc1 packages to the 6.3 test >> version; was there something else I needed? (I found those by >> searching the installed package list in the Cygwin installer for gcc >> or g++, and seeing which ones offered the option of updating to 6.3; >> there doesn't seem to be any way of checking what you actually need in >> a case like this.) > > Click the test button when running setup. You'll see several other > packages with versions 6.3.0-2, including libstdc++6. Thanks! Yes, turns out I was missing some packages. Everything works now. Sorry for the false alarm! Ross Smith -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple