GNU bug report logs - #34854
stepmania does not work

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ricardo Wurmus <rekado <at> elephly.net>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#34854: closed (stepmania does not work)
Date: Fri, 29 Mar 2019 13:18:02 +0000

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Your message dated Fri, 29 Mar 2019 14:16:33 +0100
with message-id <875zs1253i.fsf <at> elephly.net>
and subject line Re: stepmania does not work
has caused the debbugs.gnu.org bug report #34854,
regarding stepmania does not work
to be marked as done.

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help-debbugs <at> gnu.org.)


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34854: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=34854
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From: Ricardo Wurmus <rekado <at> elephly.net>
To: bug-guix <at> gnu.org
Cc: Nicolas Goaziou <mail <at> nicolasgoaziou.fr>
Subject: stepmania does not work
Date: Thu, 14 Mar 2019 09:17:33 +0100

“stepmania” cannot find its Songs directory, so I created it.  After
doing that, however, “stepmania” still cannot be started as it can’t
find GtkModule.so.

--8<---------------cut here---------------start------------->8---
$ /gnu/store/awp5w5v3hfg8zilviarwj85s2y820lyg-stepmania-5.1.0-b2/bin/stepmania --help

//////////////////////////////////////////////////////
Exception: Couldn't find 'Songs'
//////////////////////////////////////////////////////

Error: Couldn't find 'Songs'

$ mkdir Songs
$ /gnu/store/awp5w5v3hfg8zilviarwj85s2y820lyg-stepmania-5.1.0-b2/bin/stepmania 
StepMania5.1-UNKNOWN
Compiled 19700101 @ 00:00:01 (build UNKNOWN)
Log starting 2019-03-14 09:15:27
Couldn't load driver gtk: dlopen(): /gnu/store/awp5w5v3hfg8zilviarwj85s2y820lyg-stepmania-5.1.0-b2/bin/GtkModule.so: cannot open shared object file: No such file or directory
Error: Couldn't open any loading windows.
--8<---------------cut here---------------end--------------->8---

-- 
Ricardo

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From: Ricardo Wurmus <rekado <at> elephly.net>
To: Nicolas Goaziou <mail <at> nicolasgoaziou.fr>
Cc: 34854-done <at> debbugs.gnu.org
Subject: Re: stepmania does not work
Date: Fri, 29 Mar 2019 14:16:33 +0100

Ricardo Wurmus <rekado <at> elephly.net> writes:

> Nicolas Goaziou <mail <at> nicolasgoaziou.fr> writes:
>
>> "GtkModule.so" should be located in the same directory as the executable
>> "stepmania". This is the case in our package: both are located in
>> "…stepmania-5.1.0-b2/share/stepmania/".
>>
>> However, our package definition also creates a symlink to the
>> "stepmania" executable in the "bin/" directory. Since the symlink is
>> launched, and not the executable, the working directory seems to be off.
>>
>> As another data point, the one place in the code base that actually
>> makes use of "GtkModule.so" is "LoadingWindow/LoadingWindow_Gtk.cpp"
>> file:
>>
>> --8<---------------cut here---------------start------------->8---
>> std::string LoadingWindow_Gtk::Init()
>> {
>> 	ASSERT( Handle == nullptr );
>>
>> 	Handle = dlopen( (RageFileManagerUtil::sDirOfExecutable + "/" + "GtkModule.so").c_str(), RTLD_NOW );
>> --8<---------------cut here---------------end--------------->8---
>>
>> I'm not sure about how to proceed from there. Maybe use `wrap-program'
>> around the "stepmania" symlink. If so, what to wrap? Another option is
>> to patch the "LoadingWindow_Gtk.cpp" file like:
>>
>> --8<---------------cut here---------------start------------->8---
>> Handle = dlopen( (RageFileManagerUtil::sDirOfExecutable + "/" + "../share/stepmania/GtkModule.so").c_str(), RTLD_NOW );
>> --8<---------------cut here---------------end--------------->8---
>>
>> I'd favor the second option, but I cannot test the results since
>> I cannot reproduce the problem.
>
> I implemented something similar in commit
> 45aba232abe50b6642abfaa06030985c7febbe07.
>
> There still are problems, though.  The program expects a directory
> “Songs” to exist in the current working directory.  It then fails with
> this error:
>
>     Error: No NoteSkins found
>
> This seems to work fine only when when “stepmania” is executed from
> within the “share/stepmania” directory.  I suspect that this is the same
> kind of problem.

This is now fixed with commit 4774677228.

-- 
Ricardo

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