X-Recipient: archive-cygwin AT delorie DOT com DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 528CD393C865 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com; s=default; t=1618743499; bh=GhUGCGhQCJ8nVgIt6YH89wJZnoxtiI3aoAgyqSzNjOc=; h=To:Subject:Date:References:In-Reply-To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=sTVWvtdftDF81bcjPYP5p1mJ5mlLXXEFOqnW35cv/WNO3aA8InSMDYZrZ5tALhRrN FHYp7CcbZ0l4/uG4dgNyYwL1KXuaVe6fLy/53fMHCqfgC7ovalAQMtV2o6lsGTZmMg HjE6xyfW5tfX/f19wcuFh8tqa2H4xU3D1urRKWHs= X-Original-To: cygwin AT cygwin DOT com Delivered-To: cygwin AT cygwin DOT com DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 4F97A3938C11 To: "cygwin AT cygwin DOT com" Subject: RE: Regression in Cygwin 3.2.0 Thread-Topic: Regression in Cygwin 3.2.0 Thread-Index: AdcyqcCG5s2HGI90S9SHr7J6oEC2WAA1EJ4AADDfxaA= Date: Sun, 18 Apr 2021 10:58:32 +0000 Message-ID: References: <000b01d732a9$c15bf510$4413df30$@cl.cam.ac.uk> <20210417213714 DOT 2a3dad50885c85f4faf4e1b6 AT nifty DOT ne DOT jp> In-Reply-To: <20210417213714.2a3dad50885c85f4faf4e1b6@nifty.ne.jp> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.16.0.125] MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.65 on 62.31.23.242 X-Smtpcorp-Track: 1_Y57x9EFKsV5C.fKDjdbLXA5gl2 Feedback-ID: 614951m:614951apMmpqs:614951s6I-Ahd1fe X-Report-Abuse: Please forward a copy of this message, including all headers, to X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00, DKIMWL_WL_MED, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS, KAM_NUMSUBJECT, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: cygwin AT cygwin DOT com X-Mailman-Version: 2.1.29 List-Id: General Cygwin discussions and problem reports List-Archive: List-Post: List-Help: List-Subscribe: , From: David Allsopp via Cygwin Reply-To: David Allsopp Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Cygwin" Takashi Yano wrote: > On Fri, 16 Apr 2021 11:17:50 +0100 > David Allsopp wrote: > > I'm unable to build OCaml using the mingw-w64 compilers with Cygwin > 3.2.0. > > Windows 10.0.19042.928 (and tried on three different machines so far) > > > > Repro: > > > > - Fresh Cygwin64 installation with make, libiconv, > > mingw64-x86_64-gcc-core and git added; fire up mintty > > - git clone --depth 1 --recursive https://github.com/ocaml/ocaml > > - cd ocaml && ./configure --host=x86_64-w64-mingw32 && make -j8 > > flexdll && make -j8 world.opt > > > > This is consistently hanging with Cygwin 3.2.0 and seems possibly to > > have something to do with linking (the creation of > > runtime/ocamlrun.exe and stdlib/camlheader, which is also an > > executable, seem to be part of the problem). > > > > It can be immediately fixed by downgrading to Cygwin 3.1.7, cleaning > > the tree and repeating the build. > > > > I'm of course very happy to try to reduce this to a smaller repro > > case, but is there an obvious culprit in Cygwin 3.2.0 to check before I > do? > > Thanks for the report. I looked into this problem and found that the > caused is the combination of some race issues for non-cygwin processes in > pty and console code. > > I will submit the patches fixing this issue. Fantastic, thanks - I'll keep an eye on cygwin-patches and test. David -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple