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Sorry, I was out of the office for two weeks. It seems that I created the wrong impression I had gotten everything to work on Solaris. That is not the case. I was able to change the code in a way that made the compiler accept it syntactically, i.e. no more compiler errors. Now I am turning to linking and after that to functionality. I will keep posting to this list when (if) I make progress.

Jan
-- 
-----------------------------------------------------------------
    _/_/_/ _/  _/        Jan Boehm  Dipl.-Inform. M.Sc.
   _/_/_/    _/   _/_/   Institut fuer Photogrammetrie
  _/_/_/ _/ _/_/ _/ _/   Universitaet Stuttgart
 _/_/_/ _/ _/   _/_/     Geschwister-Scholl-Str. 24
          _/   _/        D-70174 Stuttgart
-----------------------------------------------------------------
Tel : +49-711-121-4110   Email : jan.boehm@ifp.uni-stuttgart.de 
Fax : +49-711-121-3297   WWW   : www.ifp.uni-stuttgart.de
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From owner-info-inventor-dev@oss.sgi.com Thu Feb  1 05:56:14 2001
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So the good news is I built the first examples (4view & ivclock). The bad news is they give me a segmentation fault :(
The segmentation fault occurs in the call
form = XmCreateForm(mainWindow, "form", NULL, 0);
and is reported by the debugger to take place in _XmGetFocusData (). My Sun came with Motif 1.2.

Unfortunately I can not put as much time into this as I wished. So my status for now is:

- floorf, sqrtf etc. are not available on Sun. The ivcommondefs give the impression the symbol _DOUBLE_MATH_ONLY can be used to solve this. However in the file mymath.h it is rather the symbols LIBRARYBUILD, STANDALONE and GLBUILD which control the compilation of floorf and others. I changed the file mymath.h accordingly.

- I cannot build shared libraries libInventor.so and libInventorSoXt.so only statics. I have no idea why. I have messages from another Sun user with the same problem.

- multiple defined symbols from libFL (can be dealt with by -z muldefs):

> c++ -D_DOUBLE_MATH_ONLY Main.o ClassDef.o Man.o Reader.o Writer.o BuildIssues.o /home/keil/jan/sw/OpenInventor/inventor/lib/libInventor.a /home/keil/jan/sw/OpenInventor/libFL_sparc/libFL.a -lXt -lXm -lX11 -lGLU -lGL -ljpeg -ldl -o ivman
ld: fatal: symbol `flUniGetBitmap' is multiply defined:
        (file BuildIssues.o and file /home/keil/jan/sw/OpenInventor/libFL_sparc/libFL.a(fl.o));
ld: fatal: symbol `flUniGetOutline' is multiply defined:
        (file BuildIssues.o and file /home/keil/jan/sw/OpenInventor/libFL_sparc/libFL.a(fl.o));
ld: fatal: File processing errors. No output written to ivman
collect2: ld returned 1 exit status

- multiple defined symbol (warning only):
../../../../../lib/database/include/Inventor/SbTime.h:140: warning: `INT32_MAX' redefined

So long for now,
Jan

-- 
-----------------------------------------------------------------
    _/_/_/ _/  _/        Jan Boehm  Dipl.-Inform. M.Sc.
   _/_/_/    _/   _/_/   Institut fuer Photogrammetrie
  _/_/_/ _/ _/_/ _/ _/   Universitaet Stuttgart
 _/_/_/ _/ _/   _/_/     Geschwister-Scholl-Str. 24
          _/   _/        D-70174 Stuttgart
-----------------------------------------------------------------
Tel : +49-711-121-4110   Email : jan.boehm@ifp.uni-stuttgart.de 
Fax : +49-711-121-3297   WWW   : www.ifp.uni-stuttgart.de
-----------------------------------------------------------------
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From owner-info-inventor-dev@oss.sgi.com Fri Feb  2 10:40:59 2001
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Hi,

I was trying to build inventor under FreeBSD and found that
SoSensorMgr.c++ uses the 'select' function. According to the man page for
'select' on both IRIX, Linux and FreeBSD, you must include 

#include <unistd.h>
#include <sys/types.h>
#include <sys/time.h>

in order to use it. However, at the moment, neither is included directly,
so to make life a little easier on other OS'es I suggest to include them.

The IRIX man page also mentions

#include <bstring.h>

but SoSensorMgr.c++ seems to do without it, and it isn't needed on the
other platforms. 

Rasmus

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Rasmus.Tamstorf@disney.com         "A problem worthy of attack, 
Walt Disney Feature Animation       proves its worth by hitting back" Kumbel
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From owner-info-inventor-dev@oss.sgi.com Fri Feb  2 15:50:12 2001
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From:   "J . A . Magallon" <jamagallon@able.es>
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Subject: Re: select method in SoSensorMgr.c++
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On 02.02 Rasmus Tamstorf wrote:
> Hi,
> 
> I was trying to build inventor under FreeBSD and found that
> SoSensorMgr.c++ uses the 'select' function. According to the man page for
> 'select' on both IRIX, Linux and FreeBSD, you must include 
> 
> #include <unistd.h>
> #include <sys/types.h>
> #include <sys/time.h>
> 
> in order to use it. However, at the moment, neither is included directly,
> so to make life a little easier on other OS'es I suggest to include them.
> 
> The IRIX man page also mentions
> 
> #include <bstring.h>
> 
> but SoSensorMgr.c++ seems to do without it, and it isn't needed on the
> other platforms. 
> 

That can be because IRIX compiler defaults the select return value to int,
and gcc is more pedantic (as it has to be, a function without declaration
is like a garden without flowers...).

-- 
J.A. Magallon                                                      $> cd pub
mailto:jamagallon@able.es                                          $> more beer

Linux werewolf 2.4.1-ac1 #2 SMP Fri Feb 2 00:19:04 CET 2001 i686


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Subject: OpenInventor on SUN,  X error
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  I ran into a problem, as I describe below,  trying to get OpenInventor
running on a SUN workstation. Any advice would be appreciated. 

 - first off, somehow it is quite a thrill to participate in the open source
   movement, even if my contribution is quite meager!

 - all OpenInventor source compiled (albeit with many warnings) on my
   SUN ultra 10 with SunOS 5.8 (Solaris 8). Some slight changes
   were made to some of the src files (see below).

 - the libraries: "libInventor.a", "libInventorXt.a", "libimage.a",
                  "libInventorWidget.a" were created.

 - "SceneViewer" was compiled and linked.

 - Upon execution of "SceneViewer", the following crash occurs:

	  273% ./SceneViewer
	  X Error of failed request:  BadValue (integer parameter out of
range
	  for operation)
	  Major opcode of failed request:  91 (X_QueryColors)
	  Value in failed request:  0xc3b2ae
	  Serial number of failed request:  624
	  Current serial number in output stream:  624

  I am not well versed on the workings of X so this may be a show stopper
  for me. If you recognize this, please let me know. (thanks in advance!)
  I will look in the debugger to see where the crash occurs but if I dont
  see daylight at the end of the tunnel soon, I may have to pull the rip
cord
  and bail out.

 - In case it may be helpful to others, here is a blurb of my findings to
   this date:

 - CHANGES:
 
    - the SUN C++ compiler does not like the ".c++" suffix so I had to
      rename such files to end in ".cc".
 
    - I had to "gut" all the methods in "SoTexture2.c++" since it included
      "jpeglib.h" which I did not find. (This means SoTexture2 is not
      usable but links ok).
 
    - I had to add "#include <sunmath.h>" to appropriate src files that call
      "floorf()", "cosf()", "atanf()", etc. If I get this running on the
      SUN and it is desirable to migrate these changes back to mother
      version, I can get a list of files.
      (We could use "#ifdef SomeSunThing".)
 
    - "#ifdef _sgi" is in some includes. (I know it's in "SbLinear.h",
      "SbTime.h", and "SbBasic.h" but I did not grep everywhere.)
      In "SbTime.h" I had to make the following change since INT32_MAX
      was already defined:
 
      #ifndef INT32_MAX            <--- my addition.
      #ifndef __sgi
      #define INT32_MAX INT_MAX
      #endif // !__sgi
      #endif // svc                <--- my addition.
 
      It probably should be looked at closely everywhere.
 
    - An extraneous include in "inventor/libSoXt/src/mixedMode" could not
      be found:
 
      "SoXtSlider.cc", line 61: Error: Could not open include
                                       file <stream.h>."
 
       I commented out the include and no errors resulted. I am assuming
       it was not needed, possibly placed in there during some debugging?
 
    - The SUN compiler had trouble with "typedef float SbMat[4][4];" in
      "SbLinear.h". When a call is made to a method that passes a
      reference to an SbMat, the method is not found. The compiler
      somehow (erroneously?) is looking for a method with an arg of
      type "reference to a float[][4]" which is apparently different than a
      "reference to a float[4][4]". So, In "SbLinear.h", I replaced
 
           "typedef float SbMat[4][4];"

           with a more concrete definition  as follows:
 
            struct  float4vector
               { 
               float vals[4][4]  ;
               float* operator[](int index) const
                            { return (float*) this->vals[index] ; }
               };
 
            typedef float4vector SbMat ;
 
      Then some minor changes had to be made in a couple of methods
      that explicitely declared "float[4][4]" values instead of specifying
      the type "SbMat".
 
      "SbMatrix.c++::inverse()" passes the "SbMat" variable "invmat" to
       another method but delcares "invmat" explicitely as "float[4][4]". I
       made the following change:
 
        //float       d, invmat[4][4], temp; // This line commented out!!
          float       d,               temp; // added this line!!!
          SbMat          invmat            ; // added this line!!!
 
       In "SoGLModelMatrixElement.c++",
          "SoGLProjectionMatrixElement.c++,
          "SoGLTextureMatrixElement.c++",
          "SoGLViewingMatrixElement.c++",
          "SoGLTextureMatrixElement.c++",  I got the following compiler
error:
 
         "line 85: Error: Cannot cast from const float4vector to float*."
 
        So I had to make changes like:
 
           // glMultMatrixf((float *) matrix.getValue());     // removed
              glMultMatrixf((float *) matrix.getValue()[0]);  // added
 
        since an SbMatrix was now returned instead of a pointer to the first
        float value.
 
 
 - WARNINGS:
 
    - The bad   news: there are many, many, many compiler warnings.
                     (One file produced 139 of them.)
      The good  news: there are only a few distinct warnings repeated
                      many times.
      The scary news: Until they are cleaned up, I can just cross my
                      fingers and hope the compiler does the "right" thing.
 
    - string literals.  compiler wants pointers to them declared "const".
              ex:       char* xx = "hello world" ; // bad
                  const char* xx = "hello world" ; // good
 
         "SoPickStyle.cc", line 81: Warning: String literal converted
           to char* in formal argument typeName in call to
           SoFieldData::getEnumData(char*, int&, int*&, SbName*&).
 
         Over time this change can be implemented as files are touched.
         This requirement may be part of the latest C++  standard.

    - "Too few arguments" in "inventor/lib/interaction/src/draggers"
      (as well as other places):
 
      "SoTranslate2Dragger.cc", line 90: Warning: Too few arguments
        in macro SO__QUOTE.
 
      "Line 90" in the code (notice the missing arg!):
 
      "SO_KIT_ADD_CATALOG_ENTRY(translatorSwitch, SoSwitch, TRUE,
                                geomSeparator, ,FALSE);
 
      I made no changes here. just crossed my fingers.
 
    - warnings about inexact declarations for callback functions.
 
        "SoShape.cc", line 881: Warning (Anachronism): Formal argument
          CallBackFunc of type extern "C" void(*)() in call to
          gluTessCallback(GLUtesselator*, unsigned, extern "C" void(*)()) is
          being passed void(*)().
 
          This is somewhat scary.

    - Many warnings of the kind:
 
          "SoIndexedFaceSet.cc", line 345: Warning: materialBinding hides
                                       SoIndexedShape::materialBinding.

       I assume we will have to live with these for a very long time but
       you would think the compiler takes the appropriate and obvious
action.
 
 - COMPILING:
 
    - I used compiler version:
                "CC: WorkShop Compilers 5.0 98/12/15 C++ 5.0"
      (from "CC -V" command)
 
    - I had to specify "-DSUN_OGL_NO_VERTEX_MACROS" on the
       compile line for source files that called OpenGL routines using
        the scope operator (e.g.  "::glColor4fv( p );").  Loosely speaking,
       SUN implements OpenGl calls indirectly through some sort of table
       of function pointers (via #define) "for performance reasons".  The
       scope operator "::" says  there is a global function to call which
       is not found and results in a compiler error. The
      "SUN_OGL_NO_VERTEX_MACROS" macro specifies
       that the actual OpenGl routines are to be accessed and fixes the
       problem. The alternative is to remove the scope operator from the
      OpenGl calls.
 
    - "SoText2.c++" and "SoText3.c++" have:
       #ifdef IRIX_6
       ...
       #endif
       I did not define IRIX_6.
 
    - I specified "-DLIBRARYBUILD" for
      "lib/database/src/so/nodes/nurbs/head/*.h" files. (look for
      "#ifdef LIBRARYBUILD" in the files.)
 
    - sample compilation in directory "inventor/lib/database/src/so/nodes":
 
        CC -c  -mt -DSUN_OGL_NO_VERTEX_MACROS
                -DLIBRARYBUILD SoShape.cc
            -I.  -I../../../../../lib/database/include
                 -I../../../../../lib/interaction/include
                 -I../../../../../lib/nodekits/include
                 -I../../../../../libSoXt/include
                 -I../../../../../libSoXt/src
                 -I../../../../../libFL/src
                 -Inurbs/head  -I/usr/include
 
    - I cant remember where, but I think the SUN documentation said to use
      the "-mt" flag (thread safe libraries) with OpenGL?.
 
 - LINKING:
 
    - use "-lsunmath" to link "floorf()", "cosf()", "atanf()", etc.
 
    - an excerpt from the "Makefile" in "inventor/apps/demos/SceneViewer":
 
         src_files =  SceneViewer.cc  SoSceneViewer.cc  SvManipList.cc
         o_files  = $(src_files:%.cc=%.o)
 
      CC -L../../samples/widgets      \          // libInventorWidget.a
         -L../../../lib               \          // libFL.a
         -L../../../lib/libFL/src     \          //
Inventor,InventorXt,image
         -L/usr/openwin/lib           \          // X and OpenGL
         ${o_files}                   \  
         ../../../lib/interaction/src/SoInteraction.o \    // see NOTE
below.
         -lInventorWidget -lInventor -lInventorXt -limage\
         -lFL                          \ 
         -lXm  -lXt -lXext -lX11       \ 
         -lGLU -lGL                    \ 
         -lsunmath  -ldl               \ 
         -o SceneViewer
 
       NOTE: "SoInteraction methods were not found in "libInventor.a"
             even though I archived them. so I
             just specified them directly (above) and it found them. I'm
             guessing it's the order I archived them into "libInventor.a"
             and can revisit that later.
 
 - That's all that come to mind. 

  ---------------------------  
   Steven Connolly
   CSC/Pratt & Whitney
   connolsv@pweh.com
 ---------------------------


From owner-info-inventor-dev@oss.sgi.com Thu Feb  8 13:24:47 2001
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Subject: Re: OpenInventor on SUN,  X error
To:     connolsv@pweh.com (Connolly, Steven V.)
Date:   Thu, 8 Feb 2001 13:22:27 -0800 (PST)
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On Thu Feb  8 13:13:26 2001, connolsv@pweh.com wrote:
> 
>  - Upon execution of "SceneViewer", the following crash occurs:
> 
> 	  273% ./SceneViewer
> 	  X Error of failed request:  BadValue (integer parameter out of
> range
> 	  for operation)
> 	  Major opcode of failed request:  91 (X_QueryColors)
> 	  Value in failed request:  0xc3b2ae
> 	  Serial number of failed request:  624
> 	  Current serial number in output stream:  624

You could go to apps/samples/widgets and run componentTest to isolate the
problem to a specific widget. What X visual are you using on your workstation?


              Jonathan Lim  _  Silicon Graphics  _  Mountain View
              GPS Graphics     Computer Systems        CA, USA

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Subject: Re: OpenInventor on SUN,  X error
To:     connolsv@pweh.com (Connolly, Steven V.)
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On Thu Feb  8 13:13:26 2001, connolsv@pweh.com wrote:
> 
>     - the SUN C++ compiler does not like the ".c++" suffix so I had to
>       rename such files to end in ".cc".

How about making symbolic links instead? It's too much of a pain to rename all
the files.

>     - I had to "gut" all the methods in "SoTexture2.c++" since it included
>       "jpeglib.h" which I did not find. (This means SoTexture2 is not
>       usable but links ok).

You should be able to download the JPEG library and build it for Solaris.

>     - I had to add "#include <sunmath.h>" to appropriate src files that call
>       "floorf()", "cosf()", "atanf()", etc. If I get this running on the
>       SUN and it is desirable to migrate these changes back to mother
>       version, I can get a list of files.
>       (We could use "#ifdef SomeSunThing".)

Try including that header in lib/database/include/Inventor/SbBasic.h.

>     - "Too few arguments" in "inventor/lib/interaction/src/draggers"
>       (as well as other places):
>  
>       "SoTranslate2Dragger.cc", line 90: Warning: Too few arguments
>         in macro SO__QUOTE.
>  
>       "Line 90" in the code (notice the missing arg!):
>  
>       "SO_KIT_ADD_CATALOG_ENTRY(translatorSwitch, SoSwitch, TRUE,
>                                 geomSeparator, ,FALSE);
>  
>       I made no changes here. just crossed my fingers.

Picky preprocessor ... see database/include/Inventor/misc/SoBasic.h.

>     - warnings about inexact declarations for callback functions.
>  
>         "SoShape.cc", line 881: Warning (Anachronism): Formal argument
>           CallBackFunc of type extern "C" void(*)() in call to
>           gluTessCallback(GLUtesselator*, unsigned, extern "C" void(*)()) is
>           being passed void(*)().

So it's just saying that it's passing in a void(*)() instead of extern "C"
void(*)()?

>     - Many warnings of the kind:
>  
>           "SoIndexedFaceSet.cc", line 345: Warning: materialBinding hides
>                                        SoIndexedShape::materialBinding.
> 
>        I assume we will have to live with these for a very long time but
>        you would think the compiler takes the appropriate and obvious
> action.

I believe the local variable takes precedence over the one defined in the
parent class, so it shouldn't be a problem.


              Jonathan Lim  _  Silicon Graphics  _  Mountain View
              GPS Graphics     Computer Systems        CA, USA

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Date:   Thu, 8 Feb 2001 14:08:04 -0800
From:   Alexandre Naaman <naaman@laplace.engr.sgi.com>
To:     Jonathan Lim <jlim@kinabalu.csd.sgi.com>
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On Thu, 8 Feb 2001, Jonathan Lim wrote:

> On Thu Feb  8 13:13:26 2001, connolsv@pweh.com wrote:
> > 
> >     - the SUN C++ compiler does not like the ".c++" suffix so I had to
> >       rename such files to end in ".cc".
> 
> How about making symbolic links instead? It's too much of a pain to rename all
> the files.

or ... define a new rule for the compiler and tell it how to go from a
.c++ to a .o.

A+,

Alex. (ex-P&WC person :)

--
Alexandre Naaman - naaman@sgi.com - La conformite est la mort de l'ame. 


From owner-info-inventor-dev@oss.sgi.com Thu Feb  8 14:16:48 2001
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> On Thu, 8 Feb 2001, Jonathan Lim wrote:
> 
> > On Thu Feb  8 13:13:26 2001, connolsv@pweh.com wrote:
> > > 
> > >     - the SUN C++ compiler does not like the ".c++" suffix so I had to
> > >       rename such files to end in ".cc".
> > 
> > How about making symbolic links instead? It's too much of a pain to
> > rename all the files.
> 
> or ... define a new rule for the compiler and tell it how to go from a
> .c++ to a .o.

It's not a Makefile issue, but a compiler problem, so this won't work.  The
compiler gives the following error:
CC: Invalid input file name test.c++, no output generated for this file.

The only way to deal w/ this is to use a different file suffix.

Loring

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On Thu, 8 Feb 2001, Loring Holden wrote:

> > On Thu, 8 Feb 2001, Jonathan Lim wrote:
> > 
> > > On Thu Feb  8 13:13:26 2001, connolsv@pweh.com wrote:
> > > > 
> > > >     - the SUN C++ compiler does not like the ".c++" suffix so I had to
> > > >       rename such files to end in ".cc".
> > > 
> > > How about making symbolic links instead? It's too much of a pain to
> > > rename all the files.
> > 
> > or ... define a new rule for the compiler and tell it how to go from a
> > .c++ to a .o.
> 
> It's not a Makefile issue, but a compiler problem, so this won't work.  The
> compiler gives the following error:
> CC: Invalid input file name test.c++, no output generated for this file.
> 
> The only way to deal w/ this is to use a different file suffix.

Well that sucks eh? :)

Why not just switch platforms then?

But seriously, you could define a rule that renamed the file to .cc just
long enough to generate a .o?

Or ... why not just use g++?

A+,

Alex.

--
Alexandre Naaman - naaman@sgi.com - La conformite est la mort de l'ame. 


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   I dont think the file suffixes should determine what environment is used
(g++, etc.) and temporary copies can cause problems when an error stops the
Makefile. Links are ok with me but I would have difficulty trying to update
the GNUMakefile's that come with OpenInventor to do that. It might be easier
to write some scripts that change the names. They only have to be executed
once.

> ----------
> From: 	Alexandre Naaman[SMTP:naaman@laplace.engr.sgi.com]
> Sent: 	Thursday, February 08, 2001 5:19 PM
> To: 	Loring Holden
> Cc: 	Jonathan Lim; connolsv@pweh.com; info-inventor-dev@oss.sgi.com
> Subject: 	Re: OpenInventor on SUN,  X error
> 
> On Thu, 8 Feb 2001, Loring Holden wrote:
> 
> > > On Thu, 8 Feb 2001, Jonathan Lim wrote:
> > > 
> > > > On Thu Feb  8 13:13:26 2001, connolsv@pweh.com wrote:
> > > > > 
> > > > >     - the SUN C++ compiler does not like the ".c++" suffix so I
> had to
> > > > >       rename such files to end in ".cc".
> > > > 
> > > > How about making symbolic links instead? It's too much of a pain to
> > > > rename all the files.
> > > 
> > > or ... define a new rule for the compiler and tell it how to go from a
> > > .c++ to a .o.
> > 
> > It's not a Makefile issue, but a compiler problem, so this won't work.
> The
> > compiler gives the following error:
> > CC: Invalid input file name test.c++, no output generated for this file.
> > 
> > The only way to deal w/ this is to use a different file suffix.
> 
> Well that sucks eh? :)
> 
> Why not just switch platforms then?
> 
> But seriously, you could define a rule that renamed the file to .cc just
> long enough to generate a .o?
> 
> Or ... why not just use g++?
> 
> A+,
> 
> Alex.
> 
> --
> Alexandre Naaman - naaman@sgi.com - La conformite est la mort de l'ame. 
> 

From owner-info-inventor-dev@oss.sgi.com Thu Feb  8 15:09:29 2001
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From:   Alexandre Naaman <naaman@laplace.engr.sgi.com>
To:     "Connolly, Steven V." <connolsv@pweh.com>
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On Thu, 8 Feb 2001, Connolly, Steven V. wrote:

> 
>    I dont think the file suffixes should determine what environment is used
> (g++, etc.) and temporary copies can cause problems when an error stops the
> Makefile. Links are ok with me but I would have difficulty trying to update
> the GNUMakefile's that come with OpenInventor to do that. It might be easier
> to write some scripts that change the names. They only have to be executed
> once.

find . -name \*.c++ -exec renameFiles {} \;

where renameFiles is:

#/bin/sh
mv $1 `echo $1|cut -f1 -d.`.cc

or something along those lines.

A+,

Alex.


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Subject: RE: OpenInventor on SUN,  X error
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I've actually had to deal with this problem too, and although it does
require a lot of cvs check-in/outs I would vote for changing the
filenames. It's really easy to write a little script like the one below to
do the job, so it shouldn't be too painful. 

The only little detail is that the source code actually does #include of
.c++ files in some places. These of course also have to be change, but a
quick perl script can take care of that too.

Rasmus

On Thu, 8 Feb 2001, Alexandre Naaman wrote:

> On Thu, 8 Feb 2001, Connolly, Steven V. wrote:
> 
> > 
> >    I dont think the file suffixes should determine what environment is used
> > (g++, etc.) and temporary copies can cause problems when an error stops the
> > Makefile. Links are ok with me but I would have difficulty trying to update
> > the GNUMakefile's that come with OpenInventor to do that. It might be easier
> > to write some scripts that change the names. They only have to be executed
> > once.
> 
> find . -name \*.c++ -exec renameFiles {} \;
> 
> where renameFiles is:
> 
> #/bin/sh
> mv $1 `echo $1|cut -f1 -d.`.cc
> 
> or something along those lines.
> 
> A+,
> 
> Alex.
> 
> 

-----------------------------------------------------------------------------
Rasmus.Tamstorf@disney.com         "A problem worthy of attack, 
Walt Disney Feature Animation       proves its worth by hitting back" Kumbel
-----------------------------------------------------------------------------


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Subject: Re: OpenInventor on SUN,  X error
To:     tamstorf@fa.disney.com (Rasmus Tamstorf)
Date:   Thu, 8 Feb 2001 16:04:06 -0800 (PST)
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On Thu Feb  8 15:52:36 2001, tamstorf@fa.disney.com wrote:
> 
> I've actually had to deal with this problem too, and although it does
> require a lot of cvs check-in/outs I would vote for changing the
> filenames. It's really easy to write a little script like the one below to
> do the job, so it shouldn't be too painful. 
> 
> The only little detail is that the source code actually does #include of
> .c++ files in some places. These of course also have to be change, but a
> quick perl script can take care of that too.
> 
> Rasmus

Yeah, and some people would prefer .cpp, .cxx, and whatnot. I going to just
keep it the way it is.


              Jonathan Lim  _  Silicon Graphics  _  Mountain View
              GPS Graphics     Computer Systems        CA, USA

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Subject: Re: OpenInventor on SUN,  X error
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On Thu, 8 Feb 2001 jlim@kinabalu.csd.sgi.com wrote:

> On Thu Feb  8 15:52:36 2001, tamstorf@fa.disney.com wrote:
> > 
> > I've actually had to deal with this problem too, and although it does
> > require a lot of cvs check-in/outs I would vote for changing the
> > filenames. It's really easy to write a little script like the one below to
> > do the job, so it shouldn't be too painful. 
> > 
> > The only little detail is that the source code actually does #include of
> > .c++ files in some places. These of course also have to be change, but a
> > quick perl script can take care of that too.
> > 
> > Rasmus
> 
> Yeah, and some people would prefer .cpp, .cxx, and whatnot. I going to just
> keep it the way it is.

wow, wow ... so much for being accomodating :-/ ".c++" happens to be a
non-standard name for C++ files which is neither accepted by the Sun
compiler nor by the Compaq Alpha compiler. A quick survey of the compilers
I have available shows the following as being valid file name extensions :

Compaq Alpha   : .cxx, .CXX, .cpp, .CPP, .cc, .CC, or .C
Sun WorkShop 6 : .c, .C, .cc, .cxx, or .cpp
KAI CC         : .c, .cc, .cpp, .cxx, .c++, .C, .CC, .CPP, .CXX, .C++
g++            : .C, .cc, .cxx, .cpp, or .c++
MIPS CC        : .C, .c++, .c, .cc, .cpp, .CPP, .cxx or .CXX

If there is no extension which is accepted by all compilers (including the
ones I don't have) then I can understand your unwillingness to change it,
but it looks to me like .cxx, .cpp, .cc, and .C would all work better than
.c++.

Rasmus

-----------------------------------------------------------------------------
Rasmus.Tamstorf@disney.com         "A problem worthy of attack, 
Walt Disney Feature Animation       proves its worth by hitting back" Kumbel
-----------------------------------------------------------------------------




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From:   "J . A . Magallon" <jamagallon@able.es>
To:     Rasmus Tamstorf <tamstorf@fa.disney.com>
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Subject: Re: OpenInventor on SUN,  X error
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On 02.09 Rasmus Tamstorf wrote:
> On Thu, 8 Feb 2001 jlim@kinabalu.csd.sgi.com wrote:
> 
> > On Thu Feb  8 15:52:36 2001, tamstorf@fa.disney.com wrote:
> > > 
> > > I've actually had to deal with this problem too, and although it does
> > > require a lot of cvs check-in/outs I would vote for changing the
> > > filenames. It's really easy to write a little script like the one below to
> > > do the job, so it shouldn't be too painful. 
> > > 
> > > The only little detail is that the source code actually does #include of
> > > .c++ files in some places. These of course also have to be change, but a
> > > quick perl script can take care of that too.

That is a VERY BAD programming rule used in the Inventor devel tree.
Just write 100 C++ files and include all in a single one to simplify the
makefile, but if you change just a single comma in ONE file you have to
recompile all the 100 files. You throw away through the window all the
philosophy and enhancements behind make, separate compilation, parallel
makes, time stamping-check and so on. This should dissapear from the tree.
Just take GNU make and use it, if you just have one big file, you do not
need a makefile, just a thre line script.

> > > 
> > > Rasmus
> > 
> > Yeah, and some people would prefer .cpp, .cxx, and whatnot. I going to just
> > keep it the way it is.
> 
> wow, wow ... so much for being accomodating :-/ ".c++" happens to be a
> non-standard name for C++ files which is neither accepted by the Sun
> compiler nor by the Compaq Alpha compiler. A quick survey of the compilers
> I have available shows the following as being valid file name extensions :
> 
> Compaq Alpha   : .cxx, .CXX, .cpp, .CPP, .cc, .CC, or .C
> Sun WorkShop 6 : .c, .C, .cc, .cxx, or .cpp
> KAI CC         : .c, .cc, .cpp, .cxx, .c++, .C, .CC, .CPP, .CXX, .C++
> g++            : .C, .cc, .cxx, .cpp, or .c++
> MIPS CC        : .C, .c++, .c, .cc, .cpp, .CPP, .cxx or .CXX

HPUX also eats .cc, and even MSVC can be forced to use .cc.
I will vote for .cc, and all can be changed in a couple finds-basenames.
I can send the script if you want.

I am thinking also in changing all the inline references to /usr/demos and
so on to #defines in makefiles:

access(path,"/usr/demos/Inventor/theDemo/...") -> 
		access(IVDEMODATADIR "/theDemo/...")

and in GNUMakefile for a demo:

CXXFLAGS += -DIVDEMODATADIR=\"$(IVDEMODATADIR)\"

So packagers can tailor the data files locations for its distribution.
If someone tellme it will be accepted, I can do and submit it. If not,
I will do anyways, but all the distribution packagers will have to redo
it again...

-- 
J.A. Magallon                                                      $> cd pub
mailto:jamagallon@able.es                                          $> more beer

Linux werewolf 2.4.1-ac6 #1 SMP Thu Feb 8 15:58:18 CET 2001 i686


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        Loring Holden <lsh@cs.brown.edu>
Cc:     Jonathan Lim <jlim@kinabalu.csd.sgi.com>, connolsv@pweh.com,
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Subject: RE: OpenInventor on SUN,  X error
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> -----Original Message-----
> From: Alexandre Naaman [mailto:naaman@laplace.engr.sgi.com]
> Sent: Friday, February 09, 2001 6:19 AM
> To: Loring Holden
> Cc: Jonathan Lim; connolsv@pweh.com; info-inventor-dev@oss.sgi.com
> Subject: Re: OpenInventor on SUN, X error
> 
> 
> On Thu, 8 Feb 2001, Loring Holden wrote:
> 
> > > On Thu, 8 Feb 2001, Jonathan Lim wrote:
> > > 
> > > > On Thu Feb  8 13:13:26 2001, connolsv@pweh.com wrote:
> > > > > 
> > > > >     - the SUN C++ compiler does not like the ".c++" 
> suffix so I had to
> > > > >       rename such files to end in ".cc".
> > > > 
> > > > How about making symbolic links instead? It's too much 
> of a pain to
> > > > rename all the files.
> > > 
> > > or ... define a new rule for the compiler and tell it how 
> to go from a
> > > .c++ to a .o.
> > 
> > It's not a Makefile issue, but a compiler problem, so this 
> won't work.  The
> > compiler gives the following error:
> > CC: Invalid input file name test.c++, no output generated 
> for this file.
> > 
> > The only way to deal w/ this is to use a different file suffix.
> 
> Well that sucks eh? :)
> 
> Why not just switch platforms then?
> 
> But seriously, you could define a rule that renamed the file 
> to .cc just
> long enough to generate a .o?
> 
> Or ... why not just use g++?
> 

Yes, why not ? especially on a SUN ! Its compiler is somehow ...

I solved this problem by writing a C program, it recursively
find *.c++ file and change to *.cpp, and add a line at its top to use
procompile tech, so compiling time could be reduced very much.


Regards
Chen Gang

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<P><FONT SIZE=2>&gt; -----Original Message-----</FONT>
<BR><FONT SIZE=2>&gt; From: Alexandre Naaman [<A HREF="mailto:naaman@laplace.engr.sgi.com">mailto:naaman@laplace.engr.sgi.com</A>]</FONT>
<BR><FONT SIZE=2>&gt; Sent: Friday, February 09, 2001 6:19 AM</FONT>
<BR><FONT SIZE=2>&gt; To: Loring Holden</FONT>
<BR><FONT SIZE=2>&gt; Cc: Jonathan Lim; connolsv@pweh.com; info-inventor-dev@oss.sgi.com</FONT>
<BR><FONT SIZE=2>&gt; Subject: Re: OpenInventor on SUN, X error</FONT>
<BR><FONT SIZE=2>&gt; </FONT>
<BR><FONT SIZE=2>&gt; </FONT>
<BR><FONT SIZE=2>&gt; On Thu, 8 Feb 2001, Loring Holden wrote:</FONT>
<BR><FONT SIZE=2>&gt; </FONT>
<BR><FONT SIZE=2>&gt; &gt; &gt; On Thu, 8 Feb 2001, Jonathan Lim wrote:</FONT>
<BR><FONT SIZE=2>&gt; &gt; &gt; </FONT>
<BR><FONT SIZE=2>&gt; &gt; &gt; &gt; On Thu Feb&nbsp; 8 13:13:26 2001, connolsv@pweh.com wrote:</FONT>
<BR><FONT SIZE=2>&gt; &gt; &gt; &gt; &gt; </FONT>
<BR><FONT SIZE=2>&gt; &gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp; - the SUN C++ compiler does not like the &quot;.c++&quot; </FONT>
<BR><FONT SIZE=2>&gt; suffix so I had to</FONT>
<BR><FONT SIZE=2>&gt; &gt; &gt; &gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rename such files to end in &quot;.cc&quot;.</FONT>
<BR><FONT SIZE=2>&gt; &gt; &gt; &gt; </FONT>
<BR><FONT SIZE=2>&gt; &gt; &gt; &gt; How about making symbolic links instead? It's too much </FONT>
<BR><FONT SIZE=2>&gt; of a pain to</FONT>
<BR><FONT SIZE=2>&gt; &gt; &gt; &gt; rename all the files.</FONT>
<BR><FONT SIZE=2>&gt; &gt; &gt; </FONT>
<BR><FONT SIZE=2>&gt; &gt; &gt; or ... define a new rule for the compiler and tell it how </FONT>
<BR><FONT SIZE=2>&gt; to go from a</FONT>
<BR><FONT SIZE=2>&gt; &gt; &gt; .c++ to a .o.</FONT>
<BR><FONT SIZE=2>&gt; &gt; </FONT>
<BR><FONT SIZE=2>&gt; &gt; It's not a Makefile issue, but a compiler problem, so this </FONT>
<BR><FONT SIZE=2>&gt; won't work.&nbsp; The</FONT>
<BR><FONT SIZE=2>&gt; &gt; compiler gives the following error:</FONT>
<BR><FONT SIZE=2>&gt; &gt; CC: Invalid input file name test.c++, no output generated </FONT>
<BR><FONT SIZE=2>&gt; for this file.</FONT>
<BR><FONT SIZE=2>&gt; &gt; </FONT>
<BR><FONT SIZE=2>&gt; &gt; The only way to deal w/ this is to use a different file suffix.</FONT>
<BR><FONT SIZE=2>&gt; </FONT>
<BR><FONT SIZE=2>&gt; Well that sucks eh? :)</FONT>
<BR><FONT SIZE=2>&gt; </FONT>
<BR><FONT SIZE=2>&gt; Why not just switch platforms then?</FONT>
<BR><FONT SIZE=2>&gt; </FONT>
<BR><FONT SIZE=2>&gt; But seriously, you could define a rule that renamed the file </FONT>
<BR><FONT SIZE=2>&gt; to .cc just</FONT>
<BR><FONT SIZE=2>&gt; long enough to generate a .o?</FONT>
<BR><FONT SIZE=2>&gt; </FONT>
<BR><FONT SIZE=2>&gt; Or ... why not just use g++?</FONT>
<BR><FONT SIZE=2>&gt; </FONT>
</P>

<P><FONT SIZE=2>Yes, why not ? especially on a SUN ! Its compiler is somehow ...</FONT>
</P>

<P><FONT SIZE=2>I solved this problem by writing a C program, it recursively</FONT>
<BR><FONT SIZE=2>find *.c++ file and change to *.cpp, and add a line at its top to use</FONT>
<BR><FONT SIZE=2>procompile tech, so compiling time could be reduced very much.</FONT>
</P>
<BR>

<P><FONT SIZE=2>Regards</FONT>
<BR><FONT SIZE=2>Chen Gang</FONT>
</P>

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To:     Rasmus Tamstorf <tamstorf@fa.disney.com>
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Subject: RE: OpenInventor on SUN,  X error
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> -----Ursprüngliche Nachricht-----
> Von:	Rasmus Tamstorf [SMTP:tamstorf@fa.disney.com]
> Gesendet am:	Freitag, 9. Februar 2001 01:33
> An:	jlim@kinabalu.csd.sgi.com
> Cc:	naaman@laplace.engr.sgi.com; connolsv@pweh.com; lsh@cs.brown.edu;
> info-inventor-dev@oss.sgi.com
> Betreff:	Re: OpenInventor on SUN,  X error
> 
> On Thu, 8 Feb 2001 jlim@kinabalu.csd.sgi.com wrote:
> 
> > On Thu Feb  8 15:52:36 2001, tamstorf@fa.disney.com wrote:
> > > 
> > > I've actually had to deal with this problem too, and although it does
> > > require a lot of cvs check-in/outs I would vote for changing the
> > > filenames. It's really easy to write a little script like the one
> below to
> > > do the job, so it shouldn't be too painful. 
> > > 
> > > The only little detail is that the source code actually does #include
> of
> > > .c++ files in some places. These of course also have to be change, but
> a
> > > quick perl script can take care of that too.
> > > 
> > > Rasmus
> > 
> > Yeah, and some people would prefer .cpp, .cxx, and whatnot. I going to
> just
> > keep it the way it is.
> 
> wow, wow ... so much for being accomodating :-/ ".c++" happens to be a
> non-standard name for C++ files which is neither accepted by the Sun
> compiler nor by the Compaq Alpha compiler. A quick survey of the compilers
> I have available shows the following as being valid file name extensions :
> 
> Compaq Alpha   : .cxx, .CXX, .cpp, .CPP, .cc, .CC, or .C
> Sun WorkShop 6 : .c, .C, .cc, .cxx, or .cpp
> KAI CC         : .c, .cc, .cpp, .cxx, .c++, .C, .CC, .CPP, .CXX, .C++
> g++            : .C, .cc, .cxx, .cpp, or .c++
> MIPS CC        : .C, .c++, .c, .cc, .cpp, .CPP, .cxx or .CXX
> 
> If there is no extension which is accepted by all compilers (including the
> ones I don't have) then I can understand your unwillingness to change it,
> but it looks to me like .cxx, .cpp, .cc, and .C would all work better than
> .c++.
> 
	Rasmus,

	I absolutely agree with you in all but one point. The ".C" extension
could be ambiguous on
	platforms that are case insensitive (Windows, ...).

	Peter


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If you've bought Sun's compiliers, file a bug.  It's not rocket science
for them to add .c++ as another filename extension.  Grant it, that
doesn't fix the immediate problem, will perhaps avert further problems in
the future.  Odds are pretty high that they won't do anything about it
unless you file a bug against them.
-tom

On Fri, 9 Feb 2001, Gang Chen wrote:

> 
> 
> > -----Original Message-----
> > From: Alexandre Naaman [mailto:naaman@laplace.engr.sgi.com]
> > Sent: Friday, February 09, 2001 6:19 AM
> > To: Loring Holden
> > Cc: Jonathan Lim; connolsv@pweh.com; info-inventor-dev@oss.sgi.com
> > Subject: Re: OpenInventor on SUN, X error
> > 
> > 
> > On Thu, 8 Feb 2001, Loring Holden wrote:
> > 
> > > > On Thu, 8 Feb 2001, Jonathan Lim wrote:
> > > > 
> > > > > On Thu Feb  8 13:13:26 2001, connolsv@pweh.com wrote:
> > > > > > 
> > > > > >     - the SUN C++ compiler does not like the ".c++" 
> > suffix so I had to
> > > > > >       rename such files to end in ".cc".
> > > > > 
> > > > > How about making symbolic links instead? It's too much 
> > of a pain to
> > > > > rename all the files.
> > > > 
> > > > or ... define a new rule for the compiler and tell it how 
> > to go from a
> > > > .c++ to a .o.
> > > 
> > > It's not a Makefile issue, but a compiler problem, so this 
> > won't work.  The
> > > compiler gives the following error:
> > > CC: Invalid input file name test.c++, no output generated 
> > for this file.
> > > 
> > > The only way to deal w/ this is to use a different file suffix.
> > 
> > Well that sucks eh? :)
> > 
> > Why not just switch platforms then?
> > 
> > But seriously, you could define a rule that renamed the file 
> > to .cc just
> > long enough to generate a .o?
> > 
> > Or ... why not just use g++?
> > 
> 
> Yes, why not ? especially on a SUN ! Its compiler is somehow ...
> 
> I solved this problem by writing a C program, it recursively
> find *.c++ file and change to *.cpp, and add a line at its top to use
> procompile tech, so compiling time could be reduced very much.
> 
> 
> Regards
> Chen Gang
> 

--
"Mongooses are famous for their snake-fighting ability, and are
 almost always victorious because of their speed, agility, and timing
 and also because of their thick coat."



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Very inetresting. I get the code to compile and link, too. And when I run, I get
a segmentation fault. I do use gcc to compile. And I am having pretty much the 
same difficulties with the code. So don't let them fool you into using gcc...

One note: I got rid of the floorf etc, problems by specifying the symbol 
_DOUBLE_MATH_ONLY. 

Were you able to build the shared libraries? (I wasn't)

About your error message: I get similar warning when running old X applications 
in the wrong color depth mode. Maybe you can try switching your color depth.

Keep us posted on your success!
Jan

-- 
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On Fri, 9 Feb 2001, Kelm, Peter  TBG wrote:

> > wow, wow ... so much for being accomodating :-/ ".c++" happens to be a
> > non-standard name for C++ files which is neither accepted by the Sun
> > compiler nor by the Compaq Alpha compiler. A quick survey of the compilers
> > I have available shows the following as being valid file name extensions :
> > 
> > Compaq Alpha   : .cxx, .CXX, .cpp, .CPP, .cc, .CC, or .C
> > Sun WorkShop 6 : .c, .C, .cc, .cxx, or .cpp
> > KAI CC         : .c, .cc, .cpp, .cxx, .c++, .C, .CC, .CPP, .CXX, .C++
> > g++            : .C, .cc, .cxx, .cpp, or .c++
> > MIPS CC        : .C, .c++, .c, .cc, .cpp, .CPP, .cxx or .CXX
> > 
> > If there is no extension which is accepted by all compilers (including the
> > ones I don't have) then I can understand your unwillingness to change it,
> > but it looks to me like .cxx, .cpp, .cc, and .C would all work better than
> > .c++.
> > 
> 	Rasmus,
> 
> 	I absolutely agree with you in all but one point. The ".C" extension
> could be ambiguous on
> 	platforms that are case insensitive (Windows, ...).

That's fine with me. I'm not religious about any particular extension as
long as it works for all compilers, so that still leaves .cxx, .cpp and
.cc. 

Rasmus

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Rasmus.Tamstorf@disney.com         "A problem worthy of attack, 
Walt Disney Feature Animation       proves its worth by hitting back" Kumbel
-----------------------------------------------------------------------------


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On Fri, 9 Feb 2001, Tom Flynn wrote:

> If you've bought Sun's compiliers, file a bug.  It's not rocket science
> for them to add .c++ as another filename extension.  Grant it, that
> doesn't fix the immediate problem, will perhaps avert further problems in
> the future.  Odds are pretty high that they won't do anything about it
> unless you file a bug against them.
> -tom

It looks like they've actually already fixed this in the Sun WorkShop 6
Update 1 release : 

http://docs.sun.com/htmlcoll/coll.693.1/iso-8859-1/WSNEW/1.html#1009826

Also, the very latest version of the Compaq Alpha compiler (v6.3) supports
this extension :

http://www.tru64unix.compaq.com/cplus/docs/cxx_ref.htm

- but in both cases you need to be on the bleeding edge of compiler
releases to get it to work. 

Rasmus

> 
> On Fri, 9 Feb 2001, Gang Chen wrote:
> 
> > 
> > 
> > > -----Original Message-----
> > > From: Alexandre Naaman [mailto:naaman@laplace.engr.sgi.com]
> > > Sent: Friday, February 09, 2001 6:19 AM
> > > To: Loring Holden
> > > Cc: Jonathan Lim; connolsv@pweh.com; info-inventor-dev@oss.sgi.com
> > > Subject: Re: OpenInventor on SUN, X error
> > > 
> > > 
> > > On Thu, 8 Feb 2001, Loring Holden wrote:
> > > 
> > > > > On Thu, 8 Feb 2001, Jonathan Lim wrote:
> > > > > 
> > > > > > On Thu Feb  8 13:13:26 2001, connolsv@pweh.com wrote:
> > > > > > > 
> > > > > > >     - the SUN C++ compiler does not like the ".c++" 
> > > suffix so I had to
> > > > > > >       rename such files to end in ".cc".
> > > > > > 
> > > > > > How about making symbolic links instead? It's too much 
> > > of a pain to
> > > > > > rename all the files.
> > > > > 
> > > > > or ... define a new rule for the compiler and tell it how 
> > > to go from a
> > > > > .c++ to a .o.
> > > > 
> > > > It's not a Makefile issue, but a compiler problem, so this 
> > > won't work.  The
> > > > compiler gives the following error:
> > > > CC: Invalid input file name test.c++, no output generated 
> > > for this file.
> > > > 
> > > > The only way to deal w/ this is to use a different file suffix.
> > > 
> > > Well that sucks eh? :)
> > > 
> > > Why not just switch platforms then?
> > > 
> > > But seriously, you could define a rule that renamed the file 
> > > to .cc just
> > > long enough to generate a .o?
> > > 
> > > Or ... why not just use g++?
> > > 
> > 
> > Yes, why not ? especially on a SUN ! Its compiler is somehow ...
> > 
> > I solved this problem by writing a C program, it recursively
> > find *.c++ file and change to *.cpp, and add a line at its top to use
> > procompile tech, so compiling time could be reduced very much.
> > 
> > 
> > Regards
> > Chen Gang
> > 
> 
> --
> "Mongooses are famous for their snake-fighting ability, and are
>  almost always victorious because of their speed, agility, and timing
>  and also because of their thick coat."
> 
> 
> 

-----------------------------------------------------------------------------
Rasmus.Tamstorf@disney.com         "A problem worthy of attack, 
Walt Disney Feature Animation       proves its worth by hitting back" Kumbel
-----------------------------------------------------------------------------


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On 02.09 Rasmus Tamstorf wrote:
> On Fri, 9 Feb 2001, Kelm, Peter  TBG wrote:
> 
> 
> That's fine with me. I'm not religious about any particular extension as
> long as it works for all compilers, so that still leaves .cxx, .cpp and
> .cc. 
> 

cpp sounds to much to win-dos, forcing 3 char extensions...
Better use .cc, just two fast keystrokes on 'c', not looking for '+'.

And a point that is not looket at, is that it not only depends on the
compiler that can admit the extension, but also on the make system that
recognizes the extension as a valid one. If not, you have to include
all the time the .SUFFIXES lines in your makefiles.

>From the info in make 3.79.1 (Catalog of Implicit Rules):

Compiling C programs
     `N.o' is made automatically from `N.c' with a command of the form
     `$(CC) -c $(CPPFLAGS) $(CFLAGS)'.

Compiling C++ programs
     `N.o' is made automatically from `N.cc' or `N.C' with a command of
     the form `$(CXX) -c $(CPPFLAGS) $(CXXFLAGS)'.  We encourage you to
     use the suffix `.cc' for C++ source files instead of `.C'.

So GNU make votes for .cc, and that is the way to make life easy. If
any other thing is used, that only contributes to have to include more
extra things in the build tree that could work just with the defaults.

Same problem occurs with portability. My thesis code has to be built in
win and unix. Usually, going for make into subdirs was a pain, because 
for syntax
is different in DOS and bash/ksh/sh, and writing the code inside the loop
with cd, backslashes, and so on. The I discovered the marvelous
'foreach' built-in for in gnumake, so you can do

$(foreach dir,$(SUBDIRS),$(MAKE) -C $(dir))

and loops are portable between win and unix.
So my advice is: read first the full manual of GNU make, don't do like me.

-- 
J.A. Magallon                                                      $> cd pub
mailto:jamagallon@able.es                                          $> more beer

Linux werewolf 2.4.1-ac8 #2 SMP Fri Feb 9 01:53:46 CET 2001 i686


From owner-info-inventor-dev@oss.sgi.com Sat Feb 10 13:15:31 2001
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Date:   Sat, 10 Feb 2001 21:14:15 +0000
From:   Mr D P Williams <esuvs@csv.warwick.ac.uk>
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Hi,
    I have just started experimenting with Open Inventor, and have hit
immidiate problems. My program simply creates a sphere with materials,
but when I try to compile it I get an error like the following:

error in file included from SoSeperator.h:
    class SoError has virtual functions but non-virtual constructor
    class SoDebugError has virtual functions but non-virtual constructor

I installed Open Inventor on RedHat 7.0, and I am using it with qt 2.2.3
and kdevelop, GCC version 2.96. My program does not use the two error
classes mentioned in the message.

Thanks in advance for any help,

    David


From owner-info-inventor-dev@oss.sgi.com Sat Feb 10 13:58:01 2001
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Date:   Sat, 10 Feb 2001 22:57:08 +0100
From:   Jan Prikryl <prikryl@vrvis.at>
To:     Mr D P Williams <esuvs@csv.warwick.ac.uk>
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Subject: Re: error compiling Open Inventor programs
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Hello,

> [...] when I try to compile it I get an error like the following:
> 
> error in file included from SoSeperator.h:
>     class SoError has virtual functions but non-virtual constructor
>     class SoDebugError has virtual functions but non-virtual constructor
> 
> I installed Open Inventor on RedHat 7.0, and I am using it with qt 2.2.3
> and kdevelop, GCC version 2.96. My program does not use the two error
> classes mentioned in the message.

Strange, on my gcc 2.96 (gcc version 2.96 20000731) it generartes only
warnings - but it's on a RH 6.2 system. On the other hand we have a
colleague who uses the current RPMs on RH 7.0 apparently without
problems (besides some font troubles).

Are you sure you did not switch on something like "treat all warnings
as errors?" when compiling your example program? If I remember
correctly, gcc has got such an option.

-- jan

--------------------+------------------------------------------------------
 Jan Prikryl        | vr|vis center for virtual reality and visualisation
 <prikryl@vrvis.at> | http://www.vrvis.at
--------------------+------------------------------------------------------

From owner-info-inventor-dev@oss.sgi.com Sun Feb 11 14:13:54 2001
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Date:   Sun, 11 Feb 2001 22:12:42 +0000
From:   Mr D P Williams <esuvs@csv.warwick.ac.uk>
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Hi,
    Thanks for the help getting Open Inventor to compile, I got passed
that stage. I now have another problem. I followed a tutorial
(www.dev-gallery.com) on using Open inventor with Glut, and got it to
work. But now how do I port it to QT? I have set up a QGLWidget  which
works, but the trouble seem to be in the call to the setRenderCallback()
function. In the glut example the code is:

    scenemanager->setRenderCallback(redraw, NULL);

and the declaration for redraw is:

    void redraw(void * user, SoSceneManager * manager) ;

even though the variables 'user' and 'manager' are not used in the
function. I basicly cut and pasted the code around and changed the call
to:

    scenemanager->setRenderCallback(paintGL, NULL);

The compiler now fails to find an appropriate function.

I have heard somewhere about a SoQT class which I do not have. Do I need
it? where do I get it? Any advice on the above matters would be greatly
appriciated.

Thanks in advance,

        David


From owner-info-inventor-dev@oss.sgi.com Sun Feb 11 14:30:13 2001
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Subject: Re: Open Inventor with QT
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On Sun, Feb 11, 2001 at 10:12:42PM +0000, Mr D P Williams wrote:
: I have heard somewhere about a SoQT class which I do not have. Do I need
: it? where do I get it? Any advice on the above matters would be greatly
: appriciated.

You do not need it for doing a low-level connection between Open Inventor
and a QGLWidget.  SoQt is a (somewhat incomplete) reimplementation of SGIs
InventorXt, but for the Qt toolkit.  If you're familiar with InventorXt
you will know that the API is a bit more high-level (thank God! :).

You'll find SoQt at http://www.coin3d.org/, and the API documentation at
http://www.coin3d.org/auto/soqt-docs/.

  Lars J
-- 
Innovation is one percent inspiration and ninetynine percent perspiration,
and in my case; twice that...  -- Norville Barnes, `The Hudsucker Proxy'

From owner-info-inventor-dev@oss.sgi.com Mon Feb 12 04:14:33 2001
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From:   Bonello Charles <charles.bonello@portakabin.com>
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Subject: Windows 2000 Development for Open Inventor
Date:   Mon, 12 Feb 2001 12:13:27 -0000
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Hello

I am currently charged with designing and developing an 3D tool to
'objectify' all the components that the company manufactures.  We use
Windows OS and apps exclusively. I want to steer my development team into
using OpenGL as I have some experience in using it and in my opinion is the
best 3D graphics language about. Recently I have been reading about Open
Inventor and am very interested in what it has to offer.  I understand there
has been a Win32 port of it. The questions I have are:-

1. Will SGI continue to develop and support the Win32 port of Open Inventor?
If so I will be very interested in using it for my application.
2. Where can I get a copy of the libraries etc?
3. Does SGI provide training on OpenGL in the UK?

Thank you for your help :-)

Best Regards

Charles Bonello
Senior IT Officer
Portakabin Limited




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From owner-info-inventor-dev@oss.sgi.com Mon Feb 12 11:26:36 2001
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Subject: Re: OpenInventor on SUN, X error
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 Thanks very much to all who responded. Here is the current status.
 
First, getting back to the original problem:

- Upon execution of "SceneViewer", the following crash occurs:

	  273% ./SceneViewer
	  X Error of failed request:  BadValue (integer parameter out of
range
	  for operation)
	  Major opcode of failed request:  91 (X_QueryColors)
	  Value in failed request:  0xc3b2ae
	  Serial number of failed request:  624
	  Current serial number in output stream:  624

- I believe the problem has been narrowed down to use of the Overlay Planes
on SUN, as Mike (mmh@tgs.com) had suggested:

  "XQueryColors is used to get the value of a color table entry.
That suggests ... or, more likely, there is a problem
trying to use overlay planes, which are always indexed (try
disabling the overlay planes code in SoXt)."

- I can create an SoXtExaminerViewer with an SoCube in it which looks fine
as long as the viewer's constructor arg "buildFlag" is set to:

     "SoXtViewer::BUILD_NONE" or "SoXtViewer::BUILD_DECORATION" 

 The viewer dies with the above X error when "buildFlag" is set to:

     "SoXtViewer::BUILD_ALL" or "SoXtViewer::BUILD_POPUP"

   In otherwords, as long as the popup menu's are not created, the viewer
works (except for some problem with translation using the middle mouse where
the displayed objects go shooting off the screen). Rotation with the
leftmouse, the thumbwheels, and the buttons (home, perspective, seek, etc.)
all work. I event tried drawing in hidden line mode and that works. Yeah!

  Further, I previously tried "componentTest" in
"inventor/apps/samples/widgets" as suggested by Jonathan Lim
(jlim@kinabalu.csd.sgi.com). Of the 6 components you can select, only 2
didnt work. The material editor dies with the same error as before in the
following location:

    SoXtMaterialEditor::SoXtMaterialEditor(...)     // constructor
        SoXtMaterialEditor::buildWidget(...);
             SoXtMaterialEditor::buildPulldownMenu(...);
                    SoXt::getPopupArgs(...) ;      // does alot of visual
searching.
                    pulldown = XmCreatePulldownMenu(...); <------- dies
here!

   My guess is that OpenInventor is trying to create the pop up menus in the
Overlay Planes so it wont cause a redraw in the main window.
   Apparently "...there are some unique "gotchas" with overlays on Solaris"
(Mike, mmh@tgs.com). 

    It would be nice if there was a switch to not use Overlay Planes for the
pop up menus. With my limited knowledge of X, at best, I can try to hack a
quick fix to get this running on the SUN's. I dont know if my solution (if I
can come up with one) would be a good one to translate back to the original
version. 

   We could be very close! It would be great if some one implemented such a
switch. At least some insight on how to proceed would help. I going to start
by grep'ing for "overlay planes". Thanks again for the help.

 ---------------------------  
   Steven Connolly
   CSC/Pratt & Whitney
   connolsv@pweh.com
 ---------------------------


From owner-info-inventor-dev@oss.sgi.com Mon Feb 12 11:56:57 2001
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Subject: Re: Windows 2000 Development for Open Inventor
To:     charles.bonello@portakabin.com (Bonello Charles)
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On Mon Feb 12 04:13:27 2001, charles.bonello@portakabin.com wrote:
> 
> best 3D graphics language about. Recently I have been reading about Open
> Inventor and am very interested in what it has to offer.  I understand there
> has been a Win32 port of it. The questions I have are:-
> 
> 1. Will SGI continue to develop and support the Win32 port of Open Inventor?
> If so I will be very interested in using it for my application.

  SGI has never developed a Win32 port of Open Inventor, though there are
  third-party companies who have done so.

  Since SGI has open-sourced the software in August of last year, we've left
  the development of any Win32 ports up to the open-source community, and it
  will be up to the authors of such ports to support their work.

> 2. Where can I get a copy of the libraries etc?

  One such port is available at

    http://www.cg.tuwien.ac.at/hostings/openinventor/

> 3. Does SGI provide training on OpenGL in the UK?

  Yes; please contact the UK sales office at

    http://www.sgi.com/global/uk/howtobuy.html

> Thank you for your help :-)

  Thanks for your interest.

> Best Regards
> 
> Charles Bonello
> Senior IT Officer
> Portakabin Limited


              Jonathan Lim  _  Silicon Graphics  _  Mountain View
              GPS Graphics     Computer Systems        CA, USA

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Cc:     "info-inventor-dev@oss.sgi.com"@tgs.com
Subject: RE: Windows 2000 Development for Open Inventor
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 > I am currently charged with designing and developing an 3D tool to
 > 'objectify' all the components that the company manufactures.  We use
 > Windows OS and apps exclusively. I want to steer my development team into
 > using OpenGL as I have some experience in using it and in my opinion is the
 > best 3D graphics language about. Recently I have been reading about Open
 > Inventor and am very interested in what it has to offer.  I understand there
 > has been a Win32 port of it. The questions I have are:-
 > 
 > 1. Will SGI continue to develop and support the Win32 port of Open Inventor?
 > If so I will be very interested in using it for my application.
 > 2. Where can I get a copy of the libraries etc?
 > 3. Does SGI provide training on OpenGL in the UK?

FYI, TGS sells an enhanced and fully supported version of Open
Inventor for Windows platforms.  This version is used in many
commercial applications.  See our web site for details.

-Mike
 TGS Inc, http://www.tgs.com 

From owner-info-inventor-dev@oss.sgi.com Mon Feb 12 12:27:56 2001
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From:   "J . A . Magallon" <jamagallon@able.es>
To:     "Connolly, Steven V." <connolsv@pweh.com>
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        <info-inventor-dev@oss.sgi.com>
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On 02.12 "Connolly, Steven V." wrote:
> 
>    In otherwords, as long as the popup menu's are not created, the viewer
> works (except for some problem with translation using the middle mouse where
> the displayed objects go shooting off the screen). Rotation with the
> leftmouse, the thumbwheels, and the buttons (home, perspective, seek, etc.)
> all work. I event tried drawing in hidden line mode and that works. Yeah!
> 
>                     SoXt::getPopupArgs(...) ;      // does alot of visual
> searching.
>                     pulldown = XmCreatePulldownMenu(...); <------- dies
> here!
> 
>    My guess is that OpenInventor is trying to create the pop up menus in the
> Overlay Planes so it wont cause a redraw in the main window.
>    Apparently "...there are some unique "gotchas" with overlays on Solaris"
> (Mike, mmh@tgs.com). 
>

AFAIK, that is not responsibility of Inventor. It is your window manager who
decides if menus go to the main planes or to overlays (to avoid screen
redraws).

In SGI boxes, the 4Dwm windown manager has a resource that says if this is
done or not:
4Dwm*SG_visualType:      overlay

Look for something similar in your wm (mwm or dtwm, as you say it is a
Solaris box).

--
J.A. Magallon                                                      $> cd pub
mailto:jamagallon@able.es                                          $> more beer

Linux werewolf 2.4.1-ac10 #1 SMP Sun Feb 11 23:36:46 CET 2001 i686


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From:   "J . A . Magallon" <jamagallon@able.es>
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On 02.12 J . A . Magallon wrote:
> 
> AFAIK, that is not responsibility of Inventor. It is your window manager who
> decides if menus go to the main planes or to overlays (to avoid screen
> redraws).
> 
> In SGI boxes, the 4Dwm windown manager has a resource that says if this is
> done or not:
> 4Dwm*SG_visualType:      overlay
> 

Mmmmmm, answering to myself, perhaps this is only for own window manager
menus....

-- 
J.A. Magallon                                                      $> cd pub
mailto:jamagallon@able.es                                          $> more beer

Linux werewolf 2.4.1-ac10 #1 SMP Sun Feb 11 23:36:46 CET 2001 i686


From owner-info-inventor-dev@oss.sgi.com Mon Feb 12 12:47:56 2001
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From:   "Lars J. Aas" <larsa@sim.no>
To:     Jonathan Lim <jlim@kinabalu.csd.sgi.com>
Cc:     Bonello Charles <charles.bonello@portakabin.com>,
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On Mon, Feb 12, 2001 at 11:54:41AM -0800, Jonathan Lim wrote:
: On Mon Feb 12 04:13:27 2001, charles.bonello@portakabin.com wrote:
: > 1. Will SGI continue to develop and support the Win32 port of Open Inventor?
: > If so I will be very interested in using it for my application.
: 
:   SGI has never developed a Win32 port of Open Inventor, though there are
:   third-party companies who have done so.
: 
:   Since SGI has open-sourced the software in August of last year, we've left
:   the development of any Win32 ports up to the open-source community, and it
:   will be up to the authors of such ports to support their work.

Coin compiles out-of-the-box on Windows w/Cygwin.  For those who don't want
to install Cygwin or compile the sources themselves, there are some pre-
compiled SDK installers (beta status) at

  ftp://ftp.coin3d.org/pub/coin/bin/win32/new-beta/

Cheers,

  Lars J
-- 
Innovation is one percent inspiration and ninetynine percent perspiration,
and in my case; twice that...  -- Norville Barnes, `The Hudsucker Proxy'

From owner-info-inventor-dev@oss.sgi.com Tue Feb 13 02:51:25 2001
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Unfortunatley, I haven't gotten as far as you in compiling, so I can not try for myself: Isn't it that ffbconfig controls the overlay visulas on Sun?

> ffbconfig -defoverlay false

will disable overlays, resulting in 
> ffbconfig -propt

--- OpenWindows Configuration for /dev/fbs/ffb0 ---
OWconfig: machine
Video Mode: 1152x900x76
Default Visual: Non-Linear Normal Visual
Visual Ordering: Linear Visuals are last
                 Overlay Visuals are last
OpenGL Visual Expansion: enabled
Server Overlay Visuals: disabled
Extended Overlay: disabled
Allocated WIDs: 32
Gamma Correction Value: 2.220000
Gamma Correction Table: Available


Jan


-- 
-----------------------------------------------------------------
    _/_/_/ _/  _/        Jan Boehm  Dipl.-Inform. M.Sc.
   _/_/_/    _/   _/_/   Institut fuer Photogrammetrie
  _/_/_/ _/ _/_/ _/ _/   Universitaet Stuttgart
 _/_/_/ _/ _/   _/_/     Geschwister-Scholl-Str. 24
          _/   _/        D-70174 Stuttgart
-----------------------------------------------------------------
Tel : +49-711-121-4110   Email : jan.boehm@ifp.uni-stuttgart.de 
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From owner-info-inventor-dev@oss.sgi.com Tue Feb 13 14:16:49 2001
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  Thanks for the input. I guess I'm more comfortable with an application (vs
system) fix for the problem though. 

 I have had luck implementing a software fix for the 'overlay plane'
problem. When compiled with a newly created "NO_OVERLAY_PLANES" flag,
OpenInventor does not create the popup menus in the overlay planes. Now all
the functionality of the viewers (decorations, popup menus, thumbwheels,
etc.) appear to work with one exception.

 When using the middle mouse button to translate the scene in the X or Y
direction, the object zooms out of view very quickly as though the
translation amounts are accumulating exponentially. I'll bet this is a
common thing for those who have experience with X and Motif interfaces. If
you have any ideas, please let me know. Thanks.

For those interested in the details for the "NO_OVERLAY_PLANES" flag...

 Taking from the example on p. 366 of Mark Kilgard's "OpenGL Programming for
the X Window System" which I somehow miraculously found, In the methods:

    "SoXtFullViewer::buildPopupMenu()"
    "SoXtFullViewer::buildFunctionsSubmenu()"
  "SoXtFullViewer::buildDrawStyleSubmenu()"
  "SoXtMtlEdit::buildPulldownMenu()"

  I made a change along the lines of:


#ifdef NO_OVERLAY_PLANES  // my addition.
// this line replaces the lines below (see last
// two args!
popupWidget = XmCreatePopupMenu(mgrWidget,
                      "menu", NULL, 0); // <-my add! 
#endif // my addition.
  
#ifndef NO_OVERLAY_PLANES  // my addition
// the following lines up to the last #endif are
// untouched from the original source.
// create popup and register routine to pop the menu 
n = 0;
#ifdef MENUS_IN_POPUP
SoXt::getPopupArgs(XtDisplay(mgrWidget), SCREEN(mgrWidget), args, &n); 
#endif   
popupWidget = XmCreatePopupMenu(mgrWidget, "menu",
                                     args, n); 
      
#ifdef MENUS_IN_POPUP 
// register callbacks to load/unload the pulldown //colormap when the
pulldown menu is posted. 
SoXt::registerColormapLoad(popupWidget,
                     SoXt::getShellWidget(mgrWidget));  
#endif   
#endif // no overlay planes.


 - NOTE:  SoXtRenderArea has a bunch of methods for rendering into the
overlay planes. I did not alter these.

---------------------------  
   Steven Connolly
   CSC/Pratt & Whitney
   connolsv@pweh.com
 ---------------------------



> ----------
> From: 	Jan Böhm[SMTP:jan.boehm@ifp.uni-stuttgart.de]
> Sent: 	Tuesday, February 13, 2001 5:50 AM
> To: 	Connolly, Steven V.
> Cc: 	'info-inventor-dev@oss.sgi.com'
> Subject: 	Re: OpenInventor on SUN, X error
> 
> <<File: jan.boehm.vcf>>
> Unfortunatley, I haven't gotten as far as you in compiling, so I can not
> try for myself: Isn't it that ffbconfig controls the overlay visulas on
> Sun?
> 
> > ffbconfig -defoverlay false
> 
> will disable overlays, resulting in 
> > ffbconfig -propt
> 
> --- OpenWindows Configuration for /dev/fbs/ffb0 ---
> OWconfig: machine
> Video Mode: 1152x900x76
> Default Visual: Non-Linear Normal Visual
> Visual Ordering: Linear Visuals are last
>                  Overlay Visuals are last
> OpenGL Visual Expansion: enabled
> Server Overlay Visuals: disabled
> Extended Overlay: disabled
> Allocated WIDs: 32
> Gamma Correction Value: 2.220000
> Gamma Correction Table: Available
> 
> 
> Jan
> 
> 
> -- 
> -----------------------------------------------------------------
>     _/_/_/ _/  _/        Jan Boehm  Dipl.-Inform. M.Sc.
>    _/_/_/    _/   _/_/   Institut fuer Photogrammetrie
>   _/_/_/ _/ _/_/ _/ _/   Universitaet Stuttgart
>  _/_/_/ _/ _/   _/_/     Geschwister-Scholl-Str. 24
>           _/   _/        D-70174 Stuttgart
> -----------------------------------------------------------------
> Tel : +49-711-121-4110   Email : jan.boehm@ifp.uni-stuttgart.de 
> Fax : +49-711-121-3297   WWW   : www.ifp.uni-stuttgart.de
> -----------------------------------------------------------------
> 

From owner-info-inventor-dev@oss.sgi.com Sat Feb 24 21:53:16 2001
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Date:   Sun, 25 Feb 2001 13:55:06 +0800
From:   Ang Bodhi <angbodhi@pacific.net.sg>
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Hi Inventors,

I'm porting Open Inventor's libInventorXt library to Gtk+.
The new library libInventorGtk is now able to compile and run
with most of the sample and demo applications.

You can get more information and the source from
http://www.geocities.com/angbodhi/download/

The steps to build everything:

1. Build and install the required libraries.
    glib-1.2.8.tgz
    gtk+-1.2.8.tgz
    libgtkgl-1.2.2.tgz

2. Apply a patch to add SoGdkWindowElement to libInventor.so
    $ cd $IVROOT
    $ patch -p1 <lib.patch

3. Build libInventorGtk.so
    $ cd $IV_ROOT
    $ tar zxvf libSoGtk-0.7.0.tgz
    $ cd libSoGtk
    $ make

4. Build tools, samples and demonstration applications
    $ cd $IV_ROOT
    $ tar zxvf gapps-0.7.0.tgz
    $ cd gapps
    $ make

Cheers,



From owner-info-inventor-dev@oss.sgi.com Mon Feb 26 08:16:30 2001
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On Sun, Feb 25, 2001 at 01:55:06PM +0800, Ang Bodhi wrote:
: Hi Inventors,

Ditto,

I just want to point out that there's also another SoGtk out there (LGPL)
at http://www.coin3d.org/.  Install by running "configure --with-inventor"
(--with-inventor=<path> in case your Inventor isn't installed in a default
place) and then "make install".

CVS direct with
  cvs -d :pserver:cvs@cvs.coin3d.org/export/cvsroot login  (password "cvs")
  cvs -d :pserver:cvs@cvs.coin3d.org/export/cvsroot co SoGtk

or get the latest nightly snapshot at
  ftp://ftp.coin3d.org/pub/snapshots/SoGtk-latest.tar.gz

This SoGtk also requires the gtkglarea widget.

Cheers,

  Lars J
-- 
Innovation is one percent inspiration and ninetynine percent perspiration,
and in my case; twice that...  -- Norville Barnes, `The Hudsucker Proxy'

From owner-info-inventor-dev@oss.sgi.com Mon Feb 26 11:36:32 2001
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To:     "Lars J . Aas" <larsa@sim.no>
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Subject: Re: Open Inventor with Gtk+
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On 02.26 Lars J. Aas wrote:
> 
> I just want to point out that there's also another SoGtk out there (LGPL)
> at http://www.coin3d.org/.  Install by running "configure --with-inventor"
> (--with-inventor=<path> in case your Inventor isn't installed in a default
> place) and then "make install".
> 

What would be nicer is to have only a common SoGUI interface and choose
at compile time.
If people can point me to all the gui implementations that exist now, I
can try to extract a common interface to all of them.

-- 
J.A. Magallon                                                      $> cd pub
mailto:jamagallon@able.es                                          $> more beer

Linux werewolf 2.4.2-ac4 #2 SMP Mon Feb 26 00:21:23 CET 2001 i686


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Cc:     Ang Bodhi <angbodhi@pacific.net.sg>, info-inventor-dev@oss.sgi.com
Subject: Re: Open Inventor with Gtk+
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On Mon, Feb 26, 2001 at 08:34:24PM +0100, J . A . Magallon wrote:
: On 02.26 Lars J. Aas wrote:
: > I just want to point out that there's also another SoGtk out there (LGPL)
: > at http://www.coin3d.org/.  Install by running "configure --with-inventor"
: > (--with-inventor=<path> in case your Inventor isn't installed in a default
: > place) and then "make install".
: 
: What would be nicer is to have only a common SoGUI interface and choose
: at compile time.
: If people can point me to all the gui implementations that exist now, I
: can try to extract a common interface to all of them.

It's a nice idea (I've thought about it myself), but implementing it will
be a mess (what can you expect - it's C++ :-/).

I'm therefore using kind of the opposite approach for GUI-agnostic
applications - writing "Autoconf-templatized" code with substitution
keywords in the code (I write e.g. @Gui@ instead of Xt/Gtk/Qt).  It's an
extra effort to set up, more cludgy to write, but then I don't have to
worry about using a lowest common denominator interface that doesn't
really fully support inheritance with virtual method overloading like it
ought to do and which is always less advanced than the least developed
supported toolkit, and since there isn't an interface that has to
support the toolkit I don't have to worry about that either.

Anyways, if you still want to try, you have SoQt, SoGtk, SoXt and an
almost functional SoWin at www.coin3d.org.  You have SGI's SoXt (which
TGS probably have worked further on and should be considered a separate
branch), TGS' SoWin, Ang Bodhi's SoGtk, and there is also an SoXt
implementation for another Inventor clone called Scene (but I think it's
safe to consider that project dead now).  There are probably more, and
the family will expand even further in the future...

  Lars J
-- 
Innovation is one percent inspiration and ninetynine percent perspiration,
and in my case; twice that...  -- Norville Barnes, `The Hudsucker Proxy'

From owner-info-inventor-dev@oss.sgi.com Mon Feb 26 16:54:03 2001
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References: <3A989E3A.3A7A8684@pacific.net.sg> <20010226171434.A7708@sim.no> <20010226203424.A2354@werewolf.able.es> <20010226213131.A10082@sim.no>
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"Lars J. Aas" wrote:

> I'm therefore using kind of the opposite approach for GUI-agnostic
> applications - writing "Autoconf-templatized" code with substitution
> keywords in the code (I write e.g. @Gui@ instead of Xt/Gtk/Qt).  It's an
> extra effort to set up, more cludgy to write, but then I don't have to
> worry about using a lowest common denominator interface that doesn't
> really fully support inheritance with virtual method overloading like it
> ought to do and which is always less advanced than the least developed
> supported toolkit, and since there isn't an interface that has to
> support the toolkit I don't have to worry about that either.

Just to point out the difference. I've noticed Coin's SoGtk source which
as Lars J.Aas say, is partially templatized, and is an independent effort
to write an So@Gui@ before OI source is available. But after looking
at SGI's SoXt's source, I think it is not very difficult to write a SoGtk
basing on it. So I experimented with this approach and it work. The
new libSoGtk is the result. The disadvantage is this becomes an
independent branch and has to be maintained separately. I figure that
SGI's SoXt is quite mature now, and it should be possible to use cvs
to track delta changes to SoXt tree so similar changes can be applied
to the SoGtk code. The SoGtk actually mirror SoXt quite closely.

I've also been thinking of writing native OI gtk widgets, eg.
GtkExaminerViewer  widget which can be created with function
gtk_examiner_viewer_new(). But this will mix C with C++, and it
require more work.

> Anyways, if you still want to try, you have SoQt, SoGtk, SoXt and an
> almost functional SoWin at www.coin3d.org.  You have SGI's SoXt (which
> TGS probably have worked further on and should be considered a separate
> branch), TGS' SoWin, Ang Bodhi's SoGtk, and there is also an SoXt
> implementation for another Inventor clone called Scene (but I think it's
> safe to consider that project dead now).  There are probably more, and
> the family will expand even further in the future...

Scene is my previous effort to clone OI, well, it is now stopped. There
were an SoXt and SoGtk lib then, but there is no point to use them now.
The experience of wrting an SoGtk for Scene is used to write this
current SoGtk lib, with a little code reuse too :-)

Besides the libSoGtk, the sample and demos are also converted to
Gtk, I think these sample apps should be usable with any SoGtk
(perhaps with a little tweak).

Cheers,



From owner-info-inventor-dev@oss.sgi.com Tue Feb 27 03:22:40 2001
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On Tue, Feb 27, 2001 at 08:56:00AM +0800, Ang Bodhi wrote:
: "Lars J. Aas" wrote:
: > Anyways, if you still want to try, you have SoQt, SoGtk, SoXt and an
: > almost functional SoWin at www.coin3d.org.  You have SGI's SoXt (which
: > TGS probably have worked further on and should be considered a separate
: > branch), TGS' SoWin, Ang Bodhi's SoGtk, and there is also an SoXt
: > implementation for another Inventor clone called Scene (but I think it's
: > safe to consider that project dead now).  There are probably more, and
: > the family will expand even further in the future...
: 
: Scene is my previous effort to clone OI, well, it is now stopped. There
: were an SoXt and SoGtk lib then, but there is no point to use them now.
: The experience of wrting an SoGtk for Scene is used to write this
: current SoGtk lib, with a little code reuse too :-)

Right.  I confused you with Guy Barrand who is the author of SoFree (yet
another Open Inventor clone).  SoFree also comes with an SoGtk library :)
(which is why I was confused) amongst others, and I believe he even has
it running on Windows.  It seems like the SoFree effort may have stopped
too, though.

  Lars J
-- 
Innovation is one percent inspiration and ninetynine percent perspiration,
and in my case; twice that...  -- Norville Barnes, `The Hudsucker Proxy'

From owner-info-inventor-dev@oss.sgi.com Tue Feb 27 06:21:10 2001
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From:   Guy Barrand <barrand@lal.in2p3.fr>
To:     "Lars J. Aas" <larsa@sim.no>
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        "J . A . Magallon" <jamagallon@able.es>,
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On Tue, 27 Feb 2001, Lars J. Aas wrote:

> On Tue, Feb 27, 2001 at 08:56:00AM +0800, Ang Bodhi wrote:
> : "Lars J. Aas" wrote:
> : > Anyways, if you still want to try, you have SoQt, SoGtk, SoXt and an
> : > almost functional SoWin at www.coin3d.org.  You have SGI's SoXt (which
> : > TGS probably have worked further on and should be considered a separate
> : > branch), TGS' SoWin, Ang Bodhi's SoGtk, and there is also an SoXt
> : > implementation for another Inventor clone called Scene (but I think it's
> : > safe to consider that project dead now).  There are probably more, and
> : > the family will expand even further in the future...
> : 
> : Scene is my previous effort to clone OI, well, it is now stopped. There
> : were an SoXt and SoGtk lib then, but there is no point to use them now.
> : The experience of wrting an SoGtk for Scene is used to write this
> : current SoGtk lib, with a little code reuse too :-)
> 
> Right.  I confused you with Guy Barrand who is the author of SoFree (yet
> another Open Inventor clone).  SoFree also comes with an SoGtk library :)
> (which is why I was confused) amongst others, and I believe he even has
> it running on Windows.  It seems like the SoFree effort may have stopped
> too, though.

  For info ; SoFree (and coworking SoGtk, SoQt, SoAwt packages) are 
 still alive. The plan is to pass our software
 (we do visualization for high energy physic experiments) that uses
 SoFree to the free SGI Inventor when possible. 

  The problem is that with SoFree I am able to install/run fluently on
 Windows and a bunch of UNIXes (Linux, OSF1, SunOS, HP-UX) along with
 the support of a bunch of GUI (Xm, Win32, gtk, Qt and now java/awt (a
 hell to have that !)).

  Our plan will be to migrate our software to something else,
 but we must check that we are able to run in same conditions
 that what we have today (especially on Windows)... The idea will be to
 migrate first to a more free richer kernel (the non GUI things) than
 the SoFree one (our things run already with the SGI Inventor
 kernel on Linux) and then, in a second step, to migrate perhaps to
 other gtk, qt, Win32, java GUI front end ; my guess is that probably
 one year will be needed for us before waving goodbye to SoFree
 and coworking packages.

  About the gtk, Qt, Win32  (and java ?) GUI front ends, it is clear
 that I strongly support any other tentative that will be included in
 the SGI Inventor distrib ; it will be less work for me in the future...

  Regards

    Guy Barrand

-------------------------------------------------------------
Guy Barrand                   e-mail: barrand@lal.in2p3.fr
LAL                           Tel: +33 (1) 64 46 84 17
Universite de Paris-Sud       Fax: +33 (1) 69 07 94 04
B.P 34
91898 ORSAY CEDEX France
CERN                          Tel:  41 22 76 78696 (B02-R013)
-------------------------------------------------------------


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From:   Guy Barrand <barrand@lal.in2p3.fr>
To:     info-inventor-dev@oss.sgi.com
Subject: Open Inventor / GUI / widgets
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   Hello Inventors

  In the previous mails about handling 
 GUI front ends for Inventor, someone mention 
 the writting of specific widgets for Inventor
 (I think it was Lars about having a GtkExaminerViewer
 for gtk+).

  In fact, I think that this is the right way to proceed.
 In general, people want to use GUI builder
 to build they own GUI and then dedicated widgets
 for Inventor viewers are needed anyway.

  When writting a widget (for example an Xt, a Gtk 
 or a Qt one) someone quickly discover that the 
 "SoXt, SoGtk,..." binding induces an unnecessary layer of software.

  In fact what is needed is to be able to isolate the code
 that handles the "scene" management logic attached 
 to viewers (for example animation, camera finding/setting)
 that are in the SoXtViewer, SoXtExaminerviewer classes
 and is then duplicated when doing the SoGtk, SoQt versions.

  Then I think that something like some "SoViewerManager,
 SoExaminerViewerManager,..."
 classes. to handle "viewer scene management" would be very welcome 
 and would ease the development of the various widgets for Xt, gtk+, qt,
 Windows, awt etc...

  Regards

    Guy Barrand

-------------------------------------------------------------
Guy Barrand                   e-mail: barrand@lal.in2p3.fr
LAL                           Tel: +33 (1) 64 46 84 17
Universite de Paris-Sud       Fax: +33 (1) 69 07 94 04
B.P 34
91898 ORSAY CEDEX France
CERN                          Tel:  41 22 76 78696 (B02-R013)
-------------------------------------------------------------


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Guy Barrand wrote:
> 
>    Hello Inventors
> 
>   In the previous mails about handling
>  GUI front ends for Inventor, someone mention
>  the writting of specific widgets for Inventor
>  (I think it was Lars about having a GtkExaminerViewer
>  for gtk+).
> 
>   In fact, I think that this is the right way to proceed.
Whole-heartly agreed.

>   In fact what is needed is to be able to isolate the code
>  that handles the "scene" management logic attached
>  to viewers (for example animation, camera finding/setting)
>  that are in the SoXtViewer, SoXtExaminerviewer classes
>  and is then duplicated when doing the SoGtk, SoQt versions.
SIM's (Lars) SoAny* classes are sort of an attempt into this
direction, but ..

>   Then I think that something like some "SoViewerManager,
>  SoExaminerViewerManager,..."
>  classes. to handle "viewer scene management" would be very welcome
>  and would ease the development of the various widgets for Xt, gtk+, qt,
>  Windows, awt etc...
Excellent proposal.

FWIW: IMO, it's long overdue to start such an effort and to bring
together all the different and competing InventorXt ports.

Ralf
-- 
Ralf Corsepius 
Forschungsinstitut fuer Anwendungsorientierte Wissensverarbeitung
(FAW)
Helmholtzstr. 16, 89081 Ulm, Germany     Tel: +49/731/501-8690
mailto:corsepiu@faw.uni-ulm.de           FAX: +49/731/501-999  
http://www.faw.uni-ulm.de

From owner-info-inventor-dev@oss.sgi.com Wed Feb 28 04:39:39 2001
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Date:   Wed, 28 Feb 2001 13:38:59 +0100
From:   "Lars J. Aas" <larsa@sim.no>
To:     Guy Barrand <barrand@lal.in2p3.fr>
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Subject: Re: Open Inventor / GUI / widgets
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On Wed, Feb 28, 2001 at 10:34:02AM +0100, Guy Barrand wrote:
: Hello Inventors
: 
: In the previous mails about handling 
: GUI front ends for Inventor, someone mention 
: the writting of specific widgets for Inventor
: (I think it was Lars about having a GtkExaminerViewer
: for gtk+).

It wasn't me, but I've also thought that native widgets is a
better solution than the SoGui components for a long time.
They won't beat the convenience of the typical 5-lines-of-code
examples you can make with the current API, but that's about
the one thing the current design is really excellent at.

  Lars J
-- 
Innovation is one percent inspiration and ninetynine percent perspiration,
and in my case; twice that...  -- Norville Barnes, `The Hudsucker Proxy'