GNU bug report logs - #8561
24.0.50; Test programme to check net/if.h is faulty

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Peter Dyballa <Peter_Dyballa <at> Freenet.DE>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.0.50; Test programme to check net/if.h is faulty
Date: Tue, 26 Apr 2011 23:15:27 +0200

Hello!

Now at revno: 104020 I see that this test programme is faulty. It has

	#if HAVE_SYS_SOCKET_H
	#include <sys/socket.h>
	#endif

but HAVE_SYS_SOCKET_H is neither defined in the test programme nor on  
the command line of gcc's invocation. So sys/socket.h is not included,  
sockaddr and sockaddr_storage are not declared and gcc complains:

	In file included from conftest.c:87:0:
	/usr/include/net/if.h:259:19: error: field 'ifru_addr' has incomplete  
type
	/usr/include/net/if.h:260:19: error: field 'ifru_dstaddr' has  
incomplete type
	/usr/include/net/if.h:261:19: error: field 'ifru_broadaddr' has  
incomplete type
	/usr/include/net/if.h:298:18: error: field 'ifra_addr' has incomplete  
type
	/usr/include/net/if.h:299:18: error: field 'ifra_broadaddr' has  
incomplete type
	/usr/include/net/if.h:300:18: error: field 'ifra_mask' has incomplete  
type
	/usr/include/net/if.h:374:26: error: field 'addr' has incomplete type
	/usr/include/net/if.h:375:26: error: field 'dstaddr' has incomplete  
type

This is related to bug#8383.

--
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  Pete                           <]
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Message #8 received at 8561 <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: Peter Dyballa <Peter_Dyballa <at> Freenet.DE>
Cc: 8561 <at> debbugs.gnu.org
Subject: Re: bug#8561: 24.0.50; Test programme to check net/if.h is faulty
Date: Wed, 06 Dec 2017 13:40:11 -0500

Peter Dyballa wrote:

> Now at revno: 104020 I see that this test programme is faulty. It has
>
> 	#if HAVE_SYS_SOCKET_H
> 	#include <sys/socket.h>
> 	#endif
>
> but HAVE_SYS_SOCKET_H is neither defined in the test programme nor on
> the command line of gcc's invocation. So sys/socket.h is not included,
> sockaddr and sockaddr_storage are not declared and gcc complains:

It follows a line AC_CHECK_HEADERS_ONCE(sys/socket.h),
which defines HAVE_SYS_SOCKET_H is sys/socket.h is present.

If this still happens, I guess your system is misconfigured somehow.

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