[Rd] Latest R-devel build failing on OS X

[Keith O'Hara]

svn checkout https://svn.r-project.org/R/trunk/ <target-directory>

> On May 24, 2016, at 12:45 PM, frederik at ofb.net wrote:
> 
> I agree with Martin's summary of the situation, and with the updated
> NEWS entry.
> 
> I'm not familiar with Subversion, can you tell me the command to use?
> 
> (I tried "svn co https://svn.r-project.org/R/" but it seems to be
> downloading all branches)
> 
> Frederick
> 
> On Tue, May 24, 2016 at 04:30:11PM +0200, Martin Maechler wrote:
>>>>>>> peter dalgaard <pdalgd at gmail.com>
>>>>>>>    on Tue, 24 May 2016 13:47:27 +0200 writes:
>> 
>>> I had a regression in config.site so the nightly build didn't. Retrying....
>>> Looks like it will build, but the ctl-R, ctl-C bug is still present on OSX (w/Simon's libs). This _was_ fixed for a while, was it not?
>> 
>> I thought it was never fixed, for readline versions 5.x (or all
>> of readline_version < 6.3 ?) because the patch assumed features
>> not available, e.g., for Frederik (who got compilation errors
>> which I think you confirmed on pre-6 readline).
>> 
>> I remember you having two different readlines installed on OSX
>> but the standard Mac binary (from CRAN, i.e. Simon) would use
>> the old readline version ?
>> 
>> so that whole  resetReadline() solution is now conditionalized inside
>> 
>> #if defined(RL_READLINE_VERSION) && RL_READLINE_VERSION >= 0x0603
>>   ...
>>   ...
>> #endif
>> 
>> and hence the previous code (which is buggy) is used for
>> readline versions < 6.3.
>> As a consequence the bug is only fixed for readline >= 6.3,
>> because the current patch did not compile and hence seemed not
>> appropriate for  readline < 6.3 (and hence the above conditionalization).
>> 
>> 
>>> (The NEWS entry is also wrong: The issue existed before readline 6.3)
>> 
>> Aah.. you are right. The API change with 6.3 was for the other, the
>> "SIGWINCH" bug.
>> 
>> Here's a an update proposal for that NEWS entry :
>> 
>>         • The API for readline libraries >= 6.3 had changed such
>>           terminal window resizes where no longer properly signalled
>>           (PR#16604).  Also, ‘Ctrl C’ in incremental search behaved
>>           confusingly in R (unix) consoles (PR#16603) also for older
>>           readline versions. These have been fixed (for readline >=
>>           6.3 only), thanks to patches by Frederick Eaton.
>> 
>> 
>> Martin
>> 
>>> -pd
>> 
>>> On 24 May 2016, at 12:55 , Martin Maechler <maechler at stat.math.ethz.ch> wrote:
>> 
>>>> 
>>>> Can you (Frederick, Peter, Keith, but ideally others, too)
>>>> confirm that you don't see any problems anymore, when building a
>>>> version of R-devel from sources that are newer 
>>>> than (or equal to)  svn revision 70632 (2016-05-19 10:59:51, see below)?
>>>> 
>>>> I'm asking because the question is open if these should be
>>>> "back ported" to R 3.3.0 patched or not.
>>>> 
>>>> Best regards,
>>>> Martin
>>>> 
>>>>>>>>> Martin Maechler <maechler at stat.math.ethz.ch>
>>>>>>>>> on Thu, 19 May 2016 11:02:48 +0200 writes:
>>>> 
>>>>>>>>> <frederik at ofb.net>
>>>>>>>>> on Wed, 18 May 2016 15:03:31 -0700 writes:
>>>> 
>>>>>>> Readline <= 6.2 shouldn't require the SIGWINCH patch, so
>>>>>>> if older versions have trouble finding rl_resize_terminal
>>>>>>> then you could wrap a macro around that part.
>>>> 
>>>>>> I find python related patches that use
>>>> 
>>>>>> #ifdef HAVE_RL_RESIZE_TERMINAL
>>>> 
>>>>>> so they must have configured for that.  We could and
>>>>>> probably should do the same, but as a Linux_only guy
>>>>>> currently (even basically only one flavor of Linux), I'd
>>>>>> appreciate others to produce code for that.
>>>> 
>>>>> Actually that was easy (in hindsight.. I took too long!)
>>>>> enough, so I've now committed
>>>> 
>>>>> ------------------------------------------------------------------------
>>>>> r70632 | maechler | 2016-05-19 10:59:51 +0200 (Thu, 19 May 2016) | 1 line
>>>>> Changed paths:
>>>>> M configure
>>>>> M configure.ac
>>>>> M src/include/config.h.in
>>>>> M src/unix/sys-std.c
>>>> 
>>>>> check for rl_resize_terminal() now
>>>>> ------------------------------------------------------------------------
>>>> 
>>>>> ... and Keith should even not see the warning anymore
>>>>> (nor Peter the error, when compiling using readline 5.x instead of 6.[23]).
>>>> 
>>>> 
>>>> [...........]
>> 
>>> -- 
>>> Peter Dalgaard, Professor,
>>> Center for Statistics, Copenhagen Business School
>>> Solbjerg Plads 3, 2000 Frederiksberg, Denmark
>>> Phone: (+45)38153501
>>> Office: A 4.23
>>> Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com
>>