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Date: Tue, 7 Feb 2023 08:34:02 +0800
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Subject: Re: [FEEDBACK] Issue with fd_set, FD_ZERO, FD_SET, FD_SETSIZE : Cygwin
To: moss AT cs DOT umass DOT edu, gs-cygwin DOT com AT gluelogic DOT com
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From: Yeo Kai Wei via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Yeo Kai Wei <yeokaiwei AT hotmail DOT com>
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On 7/2/2023 7:27 am, Eliot Moss wrote:
> On 2/7/2023 10:03 AM, Yeo Kai Wei via Cygwin wrote:
>>
>> On 7/2/2023 4:59 am, gs-cygwin DOT com AT gluelogic DOT com wrote:
>>> On Tue, Feb 07, 2023 at 04:33:53AM +0800, Yeo Kai Wei wrote:
>
>> I updated Cygwin to 3.4.5-1.x86_64.
>>
>> $ uname -a
>> CYGWIN_NT-10.0-19045 DESKTOP-P3E71RB 3.4.5-1.x86_64 2023-01-19 19:09 
>> UTC x86_64 Cygwin
>>
>>
>> However, the same problem occurs.
>>
>> Cygwn-devel doesn't seem to work.
>>
>> $ gcc -o selectStdIn selectStdIn.c
>> selectStdIn.c:9:10: fatal error: sys/select.h: No such file or directory
>>   #include <sys/select.h>
>>            ^~~~~~~~~~~~~~
>> compilation terminated.
>
> Well, on my system cygcheck -f /usr/include/sys/select.h clearly says
> that the file came from cygwin-devel-3.4.3-1.  Maybe you misspelled
> cygwin-devel ?  You do have to select the package explicitly, too.
>
> EM


Hi Eliot,

I just reinstalled Cygwin but I'm unsure of what I missed.

I did "cygcheck -f /usr/include/sys/select.h" and it seems to tell me 
that I do have cygwin-devel-3.4.5-1

Did I miss a step?


$ gcc -o selectStdIn selectStdIn.c
selectStdIn.c:9:10: fatal error: sys/select.h: No such file or directory
  #include <sys/select.h>
           ^~~~~~~~~~~~~~
compilation terminated.

$ uname -a
CYGWIN_NT-10.0-19045 DESKTOP-P3E71RB 3.4.5-1.x86_64 2023-01-19 19:09 UTC 
x86_64 Cygwin

$ cygcheck -f /usr/include/sys/select.h
cygwin-devel-3.4.5-1


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