[Visual-devel] Re: Re: VISUAL SCADA comments...

[Thomas H. <Tho...@we...>]

Hello, Juan Carlos
>..problem with my outgoing mail, Did you receive my answer to your
NO. Please send again.
>The main points where:

>I was discouraged
So were others. I'm working on a release that uses autoconf and friends.
But I still have to learn how to handle them.

>TURBOVISION Open Source?
Yes.
>Where can I get
Unfortunately, there are at least two versions on the net:
1. rhtvision, which is on sourceforge. But I never tried this
2. The version which came with SuSE 7.2 is what I used. But, I noticed that it seems no longer to
be in 8.0. it is available from SuSE's mirrors. Example:
ftp://ftp.uni-bremen.de/pub/mirrors/suse/7.2/suse/d3/tvision.rpm

To avoid trouble with this, I try the following: I copied TURBOVISION sources into a subdirectory 
of my
package. Then, I threw out everything I do not need. This means two thirds.
I know, that's not what shared libraries where invented for.
But on the other hand, now it works in xterm ansd over telnet, which it didn't before,
but I never had the time to find out why.
And, AFAI can tell from feedback I got, most people don't use other programs with 
TURBOVISION,
I think it's a way to go.


Another obstacle reported by other  people:

I prefer to use a C++ library that came also with SuSE 7.2.
When other people complained about not having/finding it, I looked up SuSE's description.
Here is what they say:
>>Description :
>>This package contains two libraries, libg++ and libstdc++, and their
>>respective headers.
>>Libg++ is the original C++ class library of the GNU project and came into
>>life long before thre C++ library was standardised. Because of this it
>>should not be used for new projects. It's only included for older packages
>>that might need it.
>>Libstdc++ ist the current C++ library of the GNU C++ compiler. While it is
>>much closer to the standard, it is far from being complete.
Sorry for using an old and non-standard library.
But when I tried both libraries, libg++ gives only 75% of the stripped code size that libstdc++ 
produces.
And I keep in mind that VISUAL could be used on embedded systems.

There is a #define use_string_2 in the Makefiles.
If you undefine it, it will use string support from libstdc++ and not need libg++.

May be this should better be an option to configure.

The problem is, that I do new source code and most testing with libg++.
So, without it some code might not work or have more bugs.

>The next point

>- I agreed to your request of putting my mail and your answer in the
>VISUAL lists. (In fact in my answer I agreed that you include the whole
>thread)
Thanks.

>Regards,

> Juan Carlos Orozco
> Director

>ACElab Industrial Automation
>www.ace-lab.com
Regards

Thomas

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