Re: [Plplot-devel] Problem with Tk/wish and Fedora builds

[Orion P. <or...@co...>]

On 02/14/2014 12:45 AM, Alan W. Irwin wrote:
> On 2014-02-13 18:11-0700 Orion Poplawski wrote:
> 
>> On 02/13/2014 03:22 PM, Orion Poplawski wrote:
>>> On 02/13/2014 02:53 PM, Orion Poplawski wrote:
>>>> So, looks like 5.10.0 executes "wish" during cmake to determine version info.
>>>>  This fails on the Fedora builders because there is no DISPLAY.  So, what
>>>> to do?
>>>>
>>>> -- Looking for wish - found
>>>> -- TK_WISH = /bin/wish
>>>> Application initialization failed: no display name and no $DISPLAY
>>>> environment
>>>> variable
>>>> Error in startup script: no display name and no $DISPLAY environment variable
>>>>     while executing
>>>> "load /usr/lib64/libtk8.5.so Tk"
>>>>     ("package ifneeded Tk 8.5.15" script)
>>>>     invoked from within
>>>> "package require Tk"
>>>>     invoked from within
>>>> "puts -nonewline [package require Tk]"
>>>>     (file "/builddir/build/BUILD/plplot-5.10.0/fedora/CheckTK_VERSION.tcl"
>>>> line 1)
>>>> -- Looking for Tk version with wish - not found
>>>> -- WARNING: setting ENABLE_tk to OFF
>>>> -- WARNING: Because Tk is disabled must disable Itk as well
>>>>
>>>>
>>>
>>> Workaround seems to be:
>>>
>>>  -DPLPLOT_TK_VERSION=8.5.15
>>>  -DPLPLOT_ITCL_VERSION=3.4
>>>  -DPLPLOT_ITK_VERSION=3.4
>>>
>>> though still working on iWidgets but I have to go now.
>>>
>>
>> iwidgets appears to need:
>>
>> -DIWIDGETS_VERSIONS_LIST:STRING="4.0.2;3.4;3.4"
> 
> Yes.  You are on the right track for hand-specifying all versions, and
> I assume that works for your rather specialized case where you are
> attempting to build PLplot on a computer with no valid display.
> 
> If you do not specify the versions by hand, the cmake command follows
> the normal CMake find rules (as affected by the set of environment
> variables you give it) to find Tcl, Tk, Itcl, Itk, and Iwidgets, and
> it is necessary/desirable to do sanity checks for version consistency.
> Those sanity checks test whether wish and tclsh give the same "package
> require" version results for Tcl and also there is a similar "package
> require" check for a consistent Tk version.
> 
> Of course, such simple "package require" command results should not
> need a display so I am wondering if there is a way to obtain such
> results under wish when there is no display? Could you check with
> Fedora experts if that is possible?
> 
> If so, then you would not have to specify versions by hand like you
> do above.
> 
> Alan


So, as you confirmed later, that is indeed what I have to do.  I've worked up
some hacks to determine version in the Fedora spec file so hopefully I'm good
to go.


-- 
Orion Poplawski
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