[zeromq-dev] gsl details

Matjaž Ostroveršnik matjaz.ostroversnik at gmail.com
Wed Apr 13 22:59:51 CEST 2016 


On 13.4.2016 22:37, Pieter Hintjens wrote:
> gsl project.xml will not work from any folder; it will scatter
> generated files all over the place.
>
> usage rule is you build the model, in its directory. Never use a path
> to a model (xml) file that you pass to gsl.

If this is the intention, then we have a bug. ;-)

[ostri at uran ~/zstuff/build/tmp]$ gsl ../top/project.xml
GSL/4.1c Copyright (c) 1996-2016 iMatix Corporation
gsl/4 I: Processing ../top/project.xml...
gsl/4 M: Generating skeleton for src/malamute.c
gsl/4 M: Generating skeleton for src/mshell.c
gsl/4 M: Generating skeleton for src/mlm_tutorial.c
gsl/4 M: Generating skeleton for src/mlm_tutorial_curve.c
gsl/4 M: Generating skeleton for src/mlm_perftest.c
gsl/4 M: Generating skeleton for src/mlm_selftest.c
gsl/4 M: Generating skeleton for include/malamute.h
gsl/4 M: Generating skeleton for include/mlm_proto.h
gsl/4 M: Generating skeleton for src/mlm_proto.c
gsl/4 M: Generating skeleton for include/mlm_server.h
gsl/4 M: Generating skeleton for src/mlm_server.c
gsl/4 M: Generating skeleton for include/mlm_client.h
gsl/4 M: Generating skeleton for src/mlm_client.c
gsl/4 M: Generating skeleton for src/mlm_msg.h
gsl/4 M: Generating skeleton for src/mlm_msg.c
gsl/4 M: Generating skeleton for src/mlm_stream_simple.h
gsl/4 M: Generating skeleton for src/mlm_stream_simple.c
gsl/4 M: Generating skeleton for src/mlm_mailbox_simple.h
gsl/4 M: Generating skeleton for src/mlm_mailbox_simple.c
gsl/4 M: Generating initial .gitignore file
gsl/4 M: Generating initial .gitattributes file
gsl/4 M: Building Java JNI binding (java)
gsl/4 M: Building Python binding (python)
gsl/4 M: Building Ruby binding (ruby)
gsl/4 M: Building Travis CI scripts (travis)
gsl/4 M: Generating skeleton .travis.yml script
gsl/4 M: Building packaging for Docker (docker)
gsl/4 M: Building Microsoft Visual Studio 2015 (vs2015)
gsl/4 M: Building GYP build system (project.gyp) (gyp)
gsl/4 M: E: please checkout libzmq into ../libzmq
gsl/4 M: E: please checkout czmq into ../czmq
gsl/4 M: Building GNU build system (autotools)
gsl/4 M: Building CMake build system (cmake)


>
> On Wed, Apr 13, 2016 at 10:12 PM, Matjaž Ostroveršnik
> <matjaz.ostroversnik at gmail.com> wrote:
>> It is not that by intention that want to work around the design.
>> There are just few inconsistency I've encountered. Perhaps my knowledge
>> not deep enough.
>>
>> gsl project.xml          - it works from any folder (e.g. gsl
>> ~/zstuff/malamute/project.xml)
>> gsl mlm_proto.xml   - it works fine from src folder, but it fails from
>> different folder
>>
>> The same program, but two different behaviors.  What is the usage rule
>> for gsl?
>>
>> On 13.4.2016 21:59, Pieter Hintjens wrote:
>>> Why are you trying to work around the design? If you could be explicit
>>> about that it would really help. I mean, if you try to use a knife as
>>> a screwdriver and the tip breaks off, it's not the knife's fault. Can
>>> you explain why you are trying to run gsl in the *wrong place* and why
>>> it's "unfortunate" that does not work?
>>>
>>>
>>> On Wed, Apr 13, 2016 at 9:44 PM, Matjaž Ostroveršnik
>>> <matjaz.ostroversnik at gmail.com> wrote:
>>>> I am (unfortunatelly ;-) ) confirming.
>>>> Found this in src/Makemodule.am
>>>>
>>>> # Produce generated code from models in the src directory
>>>> code:
>>>>            cd $(srcdir)/src; gsl -topdir:.. -zproject:1 -q mlm_proto.xml
>>>>            cd $(srcdir)/src; gsl -topdir:.. -zproject:1 -q mlm_client.xml
>>>>            cd $(srcdir)/src; gsl -topdir:.. -zproject:1 -q mlm_server.xml
>>>>            gsl -target:- project.xml
>>>>
>>>>
>>>> On 13.4.2016 21:40, Pieter Hintjens wrote:
>>>>> No hypothesis. I'm telling you a fact. If you run gsl in the wrong
>>>>> place *it will not work*. Please do not debug misuse.
>>>>>
>>>>> On Wed, Apr 13, 2016 at 8:57 PM, Matjaž Ostroveršnik
>>>>> <matjaz.ostroversnik at gmail.com> wrote:
>>>>>> Pieter hypothesis is that the src folder is hard coded. ;-)
>>>>>>
>>>>>>
>>>>>> On 13.4.2016 20:10, Kevin Sapper wrote:
>>>>>>
>>>>>> Now you got me curious :)
>>>>>>
>>>>>> The error message with commented license.xml should be:
>>>>>> $ gsl src/mlm_proto.xml
>>>>>> 2016/04/13 20:04:48: GSL/4.1a/github Copyright (c) 1996-2011 iMatix
>>>>>> Corporation
>>>>>> 2016/04/13 20:04:48: gsl/4 I: Processing src/mlm_proto.xml...
>>>>>> 2016/04/13 20:04:48: (zproto_codec_c.gsl 206) Can't open output file:
>>>>>> ../include/mlm_proto.h
>>>>>>
>>>>>> Which again happens because the current working directory is applied to all
>>>>>> relative paths.
>>>>>>
>>>>>>
>>>>>> On Mi, Apr 13, 2016 at 7:58 , Matjaž Ostroveršnik
>>>>>> <matjaz.ostroversnik at gmail.com> wrote:
>>>>>>
>>>>>> I commented out the license file, but the same.
>>>>>>
>>>>>> I am getting
>>>>>> GSL/4.1c Copyright (c) 1996-2016 iMatix Corporation
>>>>>> gsl/4 I: Processing src/mlm_proto.xml...
>>>>>> (zproto_lib.gsl 99) Undefined expression: class.load_file (...)
>>>>>>
>>>>>>
>>>>>> On 13.4.2016 19:50, Kevin Sapper wrote:
>>>>>>
>>>>>> OK, I just thought a little bit harder ;)
>>>>>>
>>>>>> src/mlm_proto.xml includes a second xml files:  <include filename =
>>>>>> "license.xml" />. Where filename is a relative path from the current working
>>>>>> directory. Thus if you execute gsl from project root directory it is not
>>>>>> able to find the src/license.xml.
>>>>>>
>>>>>> But from project root you can run make code.
>>>>>>
>>>>>> On Mi, Apr 13, 2016 at 7:44 , Matjaž Ostroveršnik
>>>>>> <matjaz.ostroversnik at gmail.com> wrote:
>>>>>>
>>>>>> Hi Kevin,
>>>>>>
>>>>>> Thanks for fast reply. I believe it is not problem with tabs.
>>>>>> The same command in src folder succeeds, while one folder above, but with
>>>>>> proper reference to the xml file it fails.
>>>>>> My assumption is that gsl takes "instructions" from some default place,
>>>>>> unless it is explicitly stated. And I do not know this place.;-)
>>>>>>
>>>>>> Best regards
>>>>>>
>>>>>> Matjaž
>>>>>>
>>>>>> On 13.4.2016 19:36, Kevin Sapper wrote:
>>>>>>
>>>>>> Hi Matjaž,
>>>>>>
>>>>>> without being able to take a closer look now, GSL does not like tabs at the
>>>>>> beginning of the line.
>>>>>>
>>>>>> Am 13.04.2016 6:16 nachm. schrieb "Matjaž Ostroveršnik"
>>>>>> <matjaz.ostroversnik at gmail.com>:
>>>>>>> Hi veterans,
>>>>>>>
>>>>>>> I am trying to understand how gsl woks. Yes I read the instructions
>>>>>>> (https://github.com/imatix/gsl)
>>>>>>>
>>>>>>> command
>>>>>>> gsl mlm_proto.xml
>>>>>>>
>>>>>>> executed from malamute/src folder
>>>>>>> properly generates mlm_proto.c and mlm_proto.bnf in the current directory
>>>>>>>
>>>>>>> command
>>>>>>> gsl src/mlm_proto.xml
>>>>>>>
>>>>>>> executed from one folder above produces
>>>>>>>
>>>>>>> GSL/4.1c Copyright (c) 1996-2016 iMatix Corporation
>>>>>>> gsl/4 I: Processing src/mlm_proto.xml...
>>>>>>> (zproto_lib.gsl 99) Undefined expression: class.load_file (...)
>>>>>>>
>>>>>>> obviously gsl gets some additional input from files in current directory.
>>>>>>> 1. Which files are those?
>>>>>>> 2. Can I explicitly state where to take this file from?
>>>>>>> 3. What the following command is supposed to do? (explanation of
>>>>>>> parameters)
>>>>>>>               gsl -topdir:.. -zproject:1 -q mlm_proto.xml
>>>>>>>
>>>>>>>
>>>>>>> Thanks in advance
>>>>>>>
>>>>>>> Matjaž
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