[tlbuild] mendexk test failure on Cygwin

[Ken Brown]

On 1/8/2015 8:48 AM, Peter Breitenlohner wrote:
> On Thu, 8 Jan 2015, Ken Brown wrote:
>
>> The mendexk test fails on Cygwin as follows:
>>
>> $ cat ~/src/texlive/test.x86_64/Work/texk/mendexk/test-suite.log
>> ==============================================
>>    mendex (TeX Live) 2.6f: ./test-suite.log
>> ==============================================
>>
>> # TOTAL: 1
>> # PASS:  0
>> # SKIP:  0
>> # XFAIL: 0
>> # FAIL:  1
>> # XPASS: 0
>> # ERROR: 0
>>
>> .. contents:: :depth: 2
>>
>> FAIL: tests/mendex
>> ==================
>>
>> This is mendex version 2.6f [14-Aug-2009] (utf8.euc) (TeX Live 2015/dev).
>> Scanning input file ../../../texk/mendexk/tests/foo.idx....done (3 entries
>> accepted, 0 rejected).
>> 3 entries accepted, 0 rejected.
>> Sorting index....done(0 comparisons).
>> Sorting pages....done(4 comparisons).
>> Making index file....done.
>> 0 warnings, written in foo.ilg1.
>> Output written in foo.ind1.
>> 3c3
>> <   \item foo, \mac{1}, 1
>> ---
>> >   \item foo,
>>
>>
>> A bisection shows that the problem starts with revision 34287.  Specifically,
>> reverting the change to texk/mendexk/fwrite.c in that revision fixes the
>> problem.  Let me know what further information I can provide to help track this
>> down.
>
> Hi Ken and Marc,

Hi Peter,

> failure for both 32 and 64 bit?

Yes.

> Which version of gcc?

4.8.3

> Does texk/mendexk/c-auto.h define HAVE___VA_ARGS__?

Yes.

Regards,

Ken