Re: Rational and X11Ada -- HELP???

[dccoote@werple.mira.net.au (David Coote)]

We had problems using Apex 2.4.6 with X bindings which we got around by rep 
clausing the data passed to X. This is painful. 

We're hoping that the whole pragma C stuff works better with Apex 3.0x.

David


In article <6tabgr$lfp$1@usenet46.supernews.com>, walky@netmagic.net says...
>
>Gentlepeople:
>
>The situation is as follows:
>
>We have a Sparc server running Solaris2.6, with Rational Apex as the ada
>development system, and gcc as the c compiler.  The workstations are PCs
>running the eXceed x- server.
>
> We downloaded and installed the Intermetrics X11Ada bindings to Ada95 on
>the server.
>
>They installed ok, but programs compiled and linked using them crash. The
>crash is usually in an area where the program is trying to use data from the
>display structure returned from XOpenDisplay.
>
>1) we are using the correct hostname: server string in the display_name
>parameter to XOpenDisplay.
>
>2) Other X programs not using the bindings work just fine.
>
>     There are two versions of the x-library (one in /usr/lib and the other
>in /usr/openwin/lib). I've linked basicwin and curves (bindings test
>programs) to both and  gotten the same result, therefore eliminating the
>possibility that I've linked in the wrong library version.
>
>     I've run two versions of both basicwin and curves (linked to the two
>sets of libraries) from a Sun machine, eliminating Exceed as the cause of
>the problem.
>
>     I wrote a little C program which makes some of the library calls that
>are crashing the Ada programs and then prints out the results, which look
>fine.
>
>     I think this pretty much eliminates any source of problems aside from
>the compiler/linker and the bindings themselves, and I'm starting to suspect
>Rational.
>
>If anyone has experienced these problems before, any help would be
>appreciated.
>
>Thanks
>
>Alan Walkington
>Sr. Software Engineer
>United Defense L.P. - San Jose
>work: alan_walkington@udlp.com
>home: walky@netmagic.net
>
>
>
>