[Xastir] libxp and Xastir

[David]

Hi Tom,
I use Linux Mint 17.2 and libxp-dev shows in Synaptic but my system 
shows it is not used or installed on the system.If it was needed i can 
add it in.

73 David VK4BDJ






On 30/10/15 07:24, Tom Russo wrote:
> I have been following the recent question about Ubuntu 15.10 and the missing
> "libxp-dev" on that system.
>
> Apparently, the X Printing Extension provided by libXp has been deprecated,
> and Ubuntu/Debian have chosen to stop providing it in their package management
> system.
>
> The good news is that Xastir does not in fact use any functions in this library
> itself.  The bad news is that SOMETIMES a motif library might require it, or
> at least this used to be true.
>
> Looking through Xastir's configure.ac file, I see a note that I added back in
> 2007 that nothing in Xastir actually USES libXp.  Back then I had tried to
> remove configure's probe for Xp functions, and found out that some Linux
> system somewhere had a Motif library that required it as a dependency, but
> didn't properly pull it in as a shared library.  The result was that I had
> to reinstate the check three days later.
>   
>
> >From the commit log for configure.ac:
> -------
> revision 1.178
> date: 2007/01/27 18:41:12;  author: tvrusso;  state: Exp;  lines: +6 -4
> re-enable check for the X Printing Extension library.  Apparently this
> is needed by libXm and some systems do not properly bring in the
> indirect dependence through the dynamic loader.
>
> It would probably be better to detect that condition than just blindly
> checking for Xp (which we don't use).
>
> Regardless, it should never be necessary to install development headers
> for libXp just to build xastir, which was what one user was confused
> about and which led me to remove the check in the first place.
> ----------------------------
> revision 1.177
> date: 2007/01/24 21:19:40;  author: tvrusso;  state: Exp;  lines: +6 -2
> Remove probe for the X Printing Extension library.
>
> Xastir doesn't use it, and there's no point probing for it.
>
> Someone was confused into thinking they needed to install it on Ubuntu 6.10
> because configure said it couldn't find the library.  They don't, coz we don't use it.
> ---------
>
>
> It may very well be the case that in the last 8 years this sorry state of
> affairs has been corrected, and that probe can be removed --- rendering it
> unnecessary to have libxp installed at all, or at least not unless another
> package pulls it in as a dependency itself.
>
> Please try the following:
>   - edit configure.ac in the Xastir source tree, and find the following line:
>     AC_CHECK_LIB([Xp], [XpGetDocumentData])
>   - Comment out this line by adding "#" at the beginning
>   - Run the "bootstrap.sh" script in the source directory
>   - Try reconfiguring and building Xastir now
>
> If Xastir builds and runs, then at least on Ubuntu 15.10 we can stop
> probing for the Xp library.
>
> Whether some other system continues to require us to add Xp to our library
> list ourselves is an open question.  I bet it is no longer necessary.
>