X-Spam-Check-By: sourceware.org To: cygwin@cygwin.com From: mwoehlke Subject: Re: no message or dialog when a DLL is missing Date: Mon, 28 Aug 2006 15:58:03 -0500 Lines: 33 Message-ID: References: <44ECC152.3020503@innobec.com> <44EDA26C.6000603@innobec.com> <44EDF86F.6030107@innobec.com> <44EEF080.1020407@innobec.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.5) Gecko/20060719 Thunderbird/1.5.0.5 Mnenhy/0.7.4.0 In-Reply-To: X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Shankar Unni wrote: > Pierre Baillargeon wrote: >> Thanks for the information. I will not submit a patch because I >> suspect the current behavior is prefered by the majority: having a >> dialog pop-up in the middle of scripts is much more catastrophic is >> most case than having a return code, for unattended processing. So I >> expect the patch to be badly received by end users. > > Perhaps the right thing would be for "somebody" to emit an error (read on). > > On Linux, etc., when a shared library is missing at runtime, any attempt > to execute a binary depending on it will get an error like: > > % /usr/bin/xvidtime > /usr/bin/xvidtune: error while loading shared libraries: libXdmcp.so.6: > cannot open shared object file: No such file or directory > > I'm pretty this message is coming directly from (in this case) > ld-linux.so (the "DLL loader" on linux). > > If Cygwin is intercepting the equivalent exception on Windows, perhaps a > possible compromise would be for cygwin1.dll to emit such an error to > stderr? That would be my vote as well; failing with return code 128 is far less helpful, and printing to "stderr" (or whatever is eating off that pipe) is much more script-friendly than a GUI pop-up. At any rate, I've seen '128's before. -- Matthew We are Microsoft. You will be assimilated. Resistance is futile. --Badtech -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/