GNU bug report logs - #7643
Build failure for SGI IRIX MIPS

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Glenn Morris <rgm <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#7643: closed (Build failure for SGI IRIX MIPS)
Date: Mon, 10 Oct 2011 17:55:02 +0000

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Your message dated Mon, 10 Oct 2011 13:54:30 -0400
with message-id <03sjn0vijt.fsf <at> fencepost.gnu.org>
and subject line Re: bug#7643: Build failure for SGI IRIX MIPS
has caused the debbugs.gnu.org bug report #7643,
regarding Build failure for SGI IRIX MIPS
to be marked as done.

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From: Chong Yidong <cyd <at> stupidchicken.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Build failure for SGI IRIX MIPS
Date: Wed, 15 Dec 2010 09:41:20 +0800

Nelson H. F. Beebe reports a build failure of the 23.2.92 pretest on SGI
IRIX MIPS.

The last Emacs version to build ok was 21.3 in January 2004, so this
appears to be a long-standing bug.

> On IRIX, compilation fails in src/process.c like this:
>
> 	cc-1367 c89: ERROR File = process.c, Line = 2431
> 	  A pointer to an incomplete class type is not allowed.
>
> 		uint16_t *ip6 = (uint16_t *) &sin6->sin6_addr;
> 					      ^
>
> 	cc-1367 c89: ERROR File = process.c, Line = 2432
> 	  A pointer to an incomplete class type is not allowed.
>
> 		len = sizeof (sin6->sin6_addr)/2 + 1;
> 			      ^
>
> 	cc-1367 c89: ERROR File = process.c, Line = 2435
> 	  A pointer to an incomplete class type is not allowed.
>
> 		p->contents[--len] = make_number (ntohs (sin6->sin6_port));
> 									 ^
>
> 	cc-1070 c89: ERROR File = process.c, Line = 2489
> 	  The indicated type is incomplete.
>
> 		  return sizeof (struct sockaddr_in6);
> 				 ^
>
> 	cc-1367 c89: ERROR File = process.c, Line = 2546
> 	  A pointer to an incomplete class type is not allowed.
>
> 		  uint16_t *ip6 = (uint16_t *)&sin6->sin6_addr;
> 					       ^
>
> 	cc-1367 c89: ERROR File = process.c, Line = 2547
> 	  A pointer to an incomplete class type is not allowed.
>
> 		  len = sizeof (sin6->sin6_addr) + 1;
> 				^
>
> 	cc-1367 c89: ERROR File = process.c, Line = 2549
> 	  A pointer to an incomplete class type is not allowed.
>
> 		  sin6->sin6_port = htons (i);
> 		  ^
>
> 	cc-1070 c89: ERROR File = process.c, Line = 4388
> 	  The indicated type is incomplete.
>
> 	      struct sockaddr_in6 in6;
> 				  ^
>
> 	8 errors detected in the compilation of "process.c".

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From: Glenn Morris <rgm <at> gnu.org>
To: 7643-done <at> debbugs.gnu.org
Subject: Re: bug#7643: Build failure for SGI IRIX MIPS
Date: Mon, 10 Oct 2011 13:54:30 -0400

I am afraid that without more input from you or someone else using IRIX
who can reproduce this, nothing can be done.

At a guess, maybe you need to compile with -DINET6, in which case a
patch like the following might fix it. But I don't see the point in
installing this without any testing.

If you can reply with the contents of netinet/in.h on your system, that
might help, and we can reopen this if needed.

*** src/process.c	2011-09-09 01:06:52 +0000
--- src/process.c	2011-10-07 21:42:30 +0000
***************
*** 39,44 ****
--- 39,51 ----
  
  #include <sys/socket.h>
  #include <netdb.h>
+ 
+ /* Some (which?) IRIX 6.5 hide IPv6 stuff in in.h behind #ifdef INET6.
+    See bug#7643.  */
+ #if defined(AF_INET6) && defined(IRIX6_5)
+ #define INET6
+ #endif
+ 
  #include <netinet/in.h>
  #include <arpa/inet.h>

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