X2Go Bug report logs - #587
x2goclient is missing VcXsrv/zlib1.dll

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Message #47 received at 587@bugs.x2go.org (full text, mbox, reply):

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Date: Fri, 29 Aug 2014 12:54:14 +0000
Message-ID: <20140829125414.Horde.ozCrz0TEtbElVbaFKiefyQ2@mail.das-netzwerkteam.de>
From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: Michael DePaulo <mikedep333@gmail.com>, 587@bugs.x2go.org
Subject: Re: [X2Go-Dev] Bug#587: I believe I should fix this
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Control: reopen -1
Control: tag -1 - not-a-bug

Hi Mike#2,


On  Fr 29 Aug 2014 14:40:59 CEST, Michael DePaulo wrote:

> On Fri, Aug 29, 2014 at 11:04 AM, Mike Gabriel
> <mike.gabriel@das-netzwerkteam.de> wrote:
>> Thanks for reporting your observed issue.
>>
>> I close this bug as the problem seems to be related to your setup.
>>
>> Launching X2Go Client always requires to cwd to its installation directory,
>> otherwise its DLLs will not be found.
>
> Hi Mike#1 and Ivan,
>
> I believe I should fix this bug. I am going to re-open it.
>
> Unless I hear new reasons otherwise, in about 10 hours I will:
> 1. re-release the .zips for VcXsrv 1.14.3.2
> http://code.x2go.org/releases/binary-win32/3rd-party/vcxsrv-modified-by-x2go-project/
> 2. update the X2GoWinBuilder VM that handles nightly builds
> 3. launch X2Go Client 4.0.2.1+hotfix-build4 with the fix.
>
> This is why I believe I should fix this bug:
>
> 1. Every Windows program searches its own directory for DLLs, before
> searching the PATH and cwd. This is the design of Windows. We can fix
> X2GoClient being able to start successfully with your cwd being
> different by including VcXsrv\zlib1.dll. There is no need to register
> the DLL system-wide. And it's not a cygwin DLL anyway; its a native
> Windows binary built from the VcXsrv/VcXsrv-xp source tree.
>
> 2. On my system, I can launch X2Go Client successfully from another
> cwd. This includes x2goclient.exe, vcxsrv.exe, sshd.exe (cygwin) and
> nxproxy.exe (cygwin). The only reason vcxsrv.exe does work is that I
> have c:\gnuwin\bin\ZLIB1.dll in my PATH, where as most users likely do
> not have any zlib1.dll in their PATH. (I determined this using
> Dependency Walker.)
>
> 3. My manual build instructions state that I should include
> VcXsrv\zlib1.dll. During the manual build process, I included
> VcXsrv\xwininfo.exe instead of zlib1.dll.
>
> 4. We should provide vcxsrv.exe with its own zlib1.dll. It is
> VcXsrv-xp's own version of the file for reasons mentioned in #1.
>
> Respectfully,
> -Mike#2

Thanks for this explanation. Agreeing. Bug already reopened.

Greets,
Mike
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