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From: Rolf Campbell <rcampbell AT tropicnetworks DOT com>
Subject: Re: 1.3.22: (gcc) problem using gettimeofday with -mno-cygwin
Date: Mon, 31 Mar 2003 10:36:40 -0500
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References: <018101c2f79a$c4386650$cc0aa8c0 AT adexainc DOT com>
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In-Reply-To: <018101c2f79a$c4386650$cc0aa8c0@adexainc.com>

Rob Siklos wrote:
> Hello,
> 
> I am trying to compile the following trivial program:
> 
> ((((
> #include <stdio.h>
> #include <sys/time.h>
> 
> int main()
> {
>   struct timeval tv;
>   gettimeofday(&tv, NULL) ;
>   printf("%ld %ld\n", tv.tv_sec, tv.tv_usec);
>   return 0;
> }
> ))))))))
> 
> 
> When I use gcc with no options, everything works fine.  However, if I use
> the "-mno-cygwin" flag, I get the following error message:
> 
> ((((
> gcc -Wall -mno-cygwin    gettime.c   -o gettime
> gettime.c: In function `main':
> gettime.c:7: warning: implicit declaration of function `gettimeofday'
> /c/DOCUME~1/rsiklos/LOCALS~1/Temp/ccqKF5Mc.o(.text+0x37):gettime.c:
> undefined reference to `gettimeofday'
> make: *** [gettime] Error 1
> )))))
> 
> Anybody have any ideas?  I am using the latest versions of everthing from
> the cygwin installer.  cygcheck file attached.

My first idea:  Windows doesn't provide gettimeofday.



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