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Date:	Fri, 01 May 2015 07:03:09 +0200
From:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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To:	cygwin AT cygwin DOT com
Subject:	Re: [64bit] cygwin-devel headers broken
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On 4/30/2015 8:52 PM, Thomas Wolff wrote:
> There is a crash issue induced on cygwin-64 (not on -32) after
> compilation with cygwin-devel 2.0.0 include files. I am recompiling my
> editor mined and it crashes, maybe immediately or after typing
> non-trivial input (like function keys, waiting for input with select()).
> It does not occur after recompiling only certain source files, but it
> happens after recompiling only io.c which makes heavy use of terminal
> I/O like read(), select(), ioctl().
>
> Reverting the cygwin-devel package to 1.7 (and leaving everything else
> up-to-date) solves the issue.
> Selective copying of files from the cygwin-devel 2.0 package further
> reveals:
> /lib: all from 2.0: no problem.
> /usr/include/sys: all from 2.0 except the following: no problem.
> But if signal.h, stat.h, time.h, types.h, and associated dependencies
> are used, the compiled program crashes.
> I can try to narrow down the issue further but maybe this is a clue
> already?
>
> ------
> Thomas
>

I had a similar issue. But in my case the compilation fails as
select seems gone:

In file included from 
/pub/devel/singular/prova/singular-4.0.2a-1.x86_64/src/sin
gular-4.0.2a/libpolys/reporter/s_buff.cc:16:0:
/pub/devel/singular/prova/singular-4.0.2a-1.x86_64/src/singular-4.0.2a/libpolys/
reporter/si_signals.h: In function ‘int si_select(int, _types_fd_set*, 
_types_fd
_set*, _types_fd_set*, timeval*)’:
/pub/devel/singular/prova/singular-4.0.2a-1.x86_64/src/singular-4.0.2a/libpolys/
reporter/si_signals.h:47:63: error: ‘select’ was not declared in this scope
                     (nfds,readfds, writefds, exceptfds, timeout)
                                                                ^
/pub/devel/singular/prova/singular-4.0.2a-1.x86_64/src/singular-4.0.2a/libpolys/
reporter/si_signals.h:33:16: note: in definition of macro 
‘SI_EINTR_SAVE_FUNC_TE
MPLATE’
      res = func args;           \
                 ^
/pub/devel/singular/prova/singular-4.0.2a-1.x86_64/src/singular-4.0.2a/libpolys/
reporter/si_signals.h:44:1: note: in expansion of macro ‘SI_EINTR_SAVE_FUNC’
  SI_EINTR_SAVE_FUNC(int, select,
  ^

cheers
Marco

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