[Gmsh] Compiling gmsh with OCC
David Colignon
David.Colignon at ulg.ac.be
Tue Jun 26 08:27:15 CEST 2007
Hi Gustav,
I think I remember that the .csh script extract all the sources from the
setup files ... Give it a try...
Cheers,
Dave
gus.wolfgramm at xtra.co.nz wrote:
> Hi Pete
>
> Yes I have, and there aren't any sources in the package, just some setup files, docs and a .csh file. Not very open source at the moment.
>
> Gustav
>
> ---- Peter Dolbey <peter at dolbey.freeserve.co.uk> wrote:
>
>> Gustav
>>
>> Have you tried
>>
>> http://files.opencascade.com/OCC_6.2_release/OpenCASCADE_Linux.tgz
>>
>> Pete
>>
>> -----Original Message-----
>> From: gmsh-bounces at geuz.org [mailto:gmsh-bounces at geuz.org] On Behalf Of
>> gus.wolfgramm at xtra.co.nz
>> Sent: 25 June 2007 12:17
>> To: gmsh at geuz.org
>> Subject: Re: [Gmsh] Compiling gmsh with OCC
>>
>> Hi again David
>>
>> I have looked at README.occ and it says I need the linux source of OCC which
>> I can't seem to find at the OCC site. I've fired off an email asking for its
>> whereabouts. Are you aware of how I might obtain it in the meantime? Also,
>> the following from the afforementioned document has me wondering:
>>
>> /***********************************************************
>> - if you're using Cygwin/Mingw32 (Windows) define
>>
>> export CC="gcc -mno-cygwin -DWNT=1 -DWIN32 -DHAVE_NO_DLL"
>> export CXX="g++ -mno-cygwin -DWNT=1 -DWIN32 -DHAVE_NO_DLL"
>>
>> ***********************************************************/
>> I will be compiling with Mingw32 and want to know where I am to make this
>> definition?
>>
>> Also can I draw your attention to second part of my original message. Is
>> what I am trying to do feasible? If not, as outlined, is there a way I
>> should proceed? I suppose I should be looking at the gcc documentation with
>> regards to building .a files and whether .lib files can be created from the
>> the precursors (.o files?).
>>
>> Cheers for your help guys!
>>
>> Gustav
>>
>> ---- Colignon David <David.Colignon at ulg.ac.be> wrote:
>>
>>> Hi Gustav,
>>>
>>> you should have a look in doc/README.occ
>>>
>>> after the ./configure step, you can also directly edit at hand the created
>>> "variables" file and modify the FLAGS line to point to the right include
>>> directories
>>>
>>> Cheers,
>>>
>>> Dave
>>>
>>>
>>>
>>>> Hi David
>>>>
>>>> Thanks for the reply. I did as you said and it configured fine. However
>>>> make
>>>> broke down during the part where the Geo library is being built,
>>>> specifically as
>>>> it parsed occIncludes.h and couldnt find a bunch of occ files (e.g
>>>> BRep_Tool.hxx). How can I point make in the direction of these files.?
>>>>
>> Btw
>>
>>>> I am
>>>> using the win32 verison of occ 6.2 and not the linux version. Is this
>>>> signinificant?
>>>>
>>>> Cheers
>>>>
>>>> Gustav
>>>>
>>>> ---- Colignon David <David.Colignon at ulg.ac.be> wrote:
>>>>
>>>>>> Hello
>>>>>>
>>>>>> This is my first post, so thanks for the opportunity. I am using
>>>>>>
>>>>> Windows
>>>>>
>>>>>> XP Home.
>>>>>>
>>>>>> I have unsuccessfully tried to compile gmsh 2.0.7 with OCC support
>>>>>>
>>>>> with
>>>>>
>>>>>> MinGW/MSys. I used --with-gsl-prefix=c:/msys/1.0/local
>>>>>> –with-fltk-prefix=c:/msys/1.0/local –enable-occ
>>>>>> –with-occ-prefix=c:/Program\ Files/OpenCascade/ros/win32
.On the
>>>>>>
>> othr
>>
>>>>>> hand, compiling with just gsl and fltk prefixes was successful. I
>>>>>>
>> have
>>
>>>>>> attached the output of ./configure as well as the conf.log for the
>>>>>>
>>>>> former.
>>>>>
>>>>>> If relevant, gmsh, gsl and fltk were installed in
>>>>>>
>>>>> c:/msys/1.0/home/oem/
>>>>>
>>>>>> Hope this is sufficient information.
>>>>>>
>>>>> Hi,
>>>>>
>>>>> I think configure doesn't like the space between Program and Files, the
>>>>> directory where you installed OCC
>>>>>
>>>>> from config.log :
>>>>>
>>>>> ...
>>>>> configure:5070: gcc -o conftest.exe -g -O2 -Lc:/Program
>>>>> Files/OpenCascade/ros/win32/lib -
>>>>> Lc:/msys/1.0/local -Lc:/msys/1.0/local/lib conftest.c -lgslcblas -lm
>>>>>
>>>>>> &5
>>>>>>
>>>>> gcc.exe: Files/OpenCascade/ros/win32/lib: No such file or directory
>>>>> ...
>>>>>
>>>>> can you try to move or reinstall OCC elsewhere ?
>>>>>
>>>>> Cheers,
>>>>>
>>>>> Dave
>>>>>
>>>>>
>>>>> --
>>>>> David Colignon, Ph.D.
>>>>> ELAP - Unité d'Electricité Appliquée
>>>>> Institut Montefiore B28
>>>>> Université de Liège
>>>>> 4000 LIEGE - BELGIQUE
>>>>> Tél: +32 (0)4 366 37 32
>>>>> Fax: +32 (0)4 366 29 10
>>>>> http://elap.montefiore.ulg.ac.be
>>>>>
>>>>>> Finally, the point to this is that I am trying to make an application
>>>>>>
>>>>> that
>>>>>
>>>>>> meshes imported STEP and IGES geometries for BEM analysis. I intend
>>>>>>
>> on
>>
>>>>>> using the gmsh 2.0.7 mesh module to do this and am trying to extract
>>>>>>
>>>>> the
>>>>>
>>>>>> relevant parts from the source. The import stage is based on the OCC
>>>>>> import/export example ’IE’ (VS solution - c# GUI, VC++ inner
>>>>>>
>>>>> workings).
>>>>>
>>>>>> From one of the solution's VC++ projects I am trying to link to the
>>>>>>
>>>>> gmsh
>>>>>
>>>>>> library. This I have built (without OCC support) using MinGW/MSys.
>>>>>>
>> The
>>
>>>>>> library consists of a bunch of .a files (e.g. libGMeshGeo.a) which I
>>>>>>
>>>>> think
>>>>>
>>>>>> are UNIX static library files and not .lib files as I was expecting.
>>>>>>
>>>>>> QUESTION:
>>>>>>
>>>>>> Can I link to these files from the application previously described?
>>>>>>
>>>>> Are
>>>>>
>>>>>> they compatible for my purposes?
>>>>>>
>>>>>> Thanks for any help available. I am new to this kind of programming
>>>>>>
>> so
>>
>>>>>> please forgive any glaring omissions.
>>>>>>
>>>>>> Gustav Wolfgramm
>>>>>>
>>>>>> p.s Go Emrates Team New Zealand in the America's Cup finals!!
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>>>>>>
>>>>>
>>>>>
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