The following reply was made to PR kern/31063; it has been noted by GNATS.

From: Rui Paulo <rpaulo@NetBSD.org>
To: gnats-bugs@netbsd.org
Cc: kern-bug-people@netbsd.org, gnats-admin@netbsd.org,
	netbsd-bugs@netbsd.org
Subject: Re: kern/31063: config should check conflicts and dependences
Date: Thu, 25 Aug 2005 02:25:19 +0100

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 On 2005.08.25 00:12:00 +0000, unex@linija.org wrote:
 | >Number:         31063
 | >Category:       kern
 | >Synopsis:       config should check conflicts and dependences
 | >Confidential:   no
 | >Severity:       serious
 | >Priority:       high
 | >Responsible:    kern-bug-people
 | >State:          open
 | >Class:          sw-bug
 | >Submitter-Id:   net
 | >Arrival-Date:   Thu Aug 25 00:12:00 +0000 2005
 | >Originator:     unex@linija.org
 | >Release:        NetBSD 2.0.2_STABLE
 | >Organization:
 | >Environment:
 | System: NetBSD linija.org 2.0.2_STABLE NetBSD 2.0.2_STABLE (Linija-$Revis=
 ion) #0: Sun Jun 12 16:43:39 EEST 2005 root@linija.org:/usr/obj/sys/arch/i3=
 86/compile/LINIJA i386
 |=20
 | >Description:
 |=20
 | In NetBSD 3.0_BETA pf can't co-exist with altq, so if I'll make config wi=
 th altq and pf lines, it compiles with errors like:
 | 	/usr/src/sys/dist/pf/net/pf.c: In function `pf_send_tcp':
 | 	/usr/src/sys/dist/pf/net/pf.c:1355: error: dereferencing pointer to inco=
 mplete type
 | Same with VERIFIED_EXEC, if I compile it with fingerprint hash (for ex. V=
 ERIFIED_EXEC_FP_RMD160), I'll get errors:
 | 	kern_verifiedexec.o(.text+0x176): In function `veriexec_init_fp_ops':
 | 	: undefined reference to `RMD160Init'
 | I think, config should warn about conflicts and dependences like this.
 
 I think this is hard to do. There are far a lot more possibilities that we
 cannot predict that easily.
 
 		-- Rui Paulo
 
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