Subject: Re: -mieee option
To: Wada Tatsuaki <wada@faraday.ee.ibaraki.ac.jp>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: current-users
Date: 01/14/1999 11:11:05
On Thu, 14 Jan 1999 14:58:56 +0900 
 Wada Tatsuaki <wada@faraday.ee.ibaraki.ac.jp> wrote:

 > When I tried to the following simple c++ source ( "min.cc" ),
 > 
 > 	#include <iostream.h>
 > 	#include <float.h>
 > 
 > 	int main()
 > 	{
 > 		cout << DBL_MIN << endl;
 > 
 > 	}
 > 
 > I got the warning,
 > 
 > 	> g++ min.cc -mieee
 > 	/usr/lib/libstdc++.so: warning: reference to compatibility vfork(); 	
 > 	include <unistd.h> for correct reference

Regarding this... iopopen.c only includes <unistd.h> if _LIBC is defined.

We do NOT want to define _LIBC, but we want to pull in <unistd.h>, so we
must alter the sources, I guess...

 > and it core dumped.
 > 
 > 	>./a.out
 > 	Floating point exception (core dumped)

this I don't know about...

Jason R. Thorpe                                       thorpej@nas.nasa.gov
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