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Date: Tue, 7 Feb 2023 07:53:54 +0800
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Subject: Re: [FEEDBACK] Issue with fd_set, FD_ZERO, FD_SET, FD_SETSIZE : Cygwin
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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 7:50 am, Eliot Moss wrote:
> On 2/7/2023 10:48 AM, Yeo Kai Wei wrote:
>>
>> 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,
>>
>> Thanks for the help.
>>
>> There's probably some error somewhere.
>>
>> I'll just uninstall the whole thing and reinstall from scratch.
>
> Well, sometimes that's best, but between the other responses and mine,
> I suspect you're not actually selecting and downloading cygwin-devel.
>
> It could be problematic if you've installed cygwin in more than one
> place, perhaps without realizing it ...  Pay attention to what the
> cygwin root directory is for your installation :-) ...
>
> Best - EM

Hi Eliot,

I think I made that mistake.

I installed to C:\cygwin but I updated to C:\Desktop.

To prevent any issues, I'll just reinstall from scratch.

Another reason is that extracting the file.tar.xz files results in some 
administrator right issues.

So, I'll just make sure it's a clean install, no merge errors or missing 
files.


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