NetBSD Problem Report #55818

From o.vd.linden@quicknet.nl  Sun Nov 22 22:20:01 2020
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Message-Id: <20201122221955.GA22670@sheep>
Date: Sun, 22 Nov 2020 23:19:55 +0100
From: Onno van der Linden <o.vd.linden@quicknet.nl>
To: gnats-bugs@netbsd.org
Subject: firefox build on 32-bit x86 is possible without libatomic

>Number:         55818
>Category:       pkg
>Synopsis:       firefox build on 32-bit x86 is possible without libatomic
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    pkg-manager
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Nov 22 22:25:00 +0000 2020
>Closed-Date:    Sat Jan 16 13:49:58 +0000 2021
>Last-Modified:  Sat Jan 16 13:49:58 +0000 2021
>Originator:     Onno van der Linden
>Release:        NetBSD 9.99.75
>Organization:
>Environment:
System: NetBSD sheep 9.99.75 NetBSD 9.99.75 (SHEEPKMS) #0: Sat Nov 14 12:22:46 CET 2020 onno@sheep:/usr/src/sys/arch/i386/compile/SHEEPKMS i386
Architecture: i386
Machine: i386
>Description:
pkg/55456 describes failing to compile firefox on NetBSD/i386 9.0
due to __atomic_load unresolved external. 

I've build firefox 74 on NetBSD/i386 9.99.52 with
clang 9.0 and rust 1.42 without the need for libatomic
I've also build firefox 83 on NetBSD/i386 9.99.75 with
clang 10.0.1 and rust 1.45 without the need for libatomic
>How-To-Repeat:
Build firefox on NetBSD/i386 using the packages described earlier.
>Fix:
-march=i586 has worked for a long, long time to get the __atomic_*
functions without using libatomic for gcc
I'm 100% certain that clang since version 9.x works the same way
as gcc has done for years. No idea what clang version was used
in pkg/55456.

Looks like the libatomic inclusion in mozilla-common.mk
for NetBSD/i386 could (should ?) be me made dependant on
the clang version used to compile firefox.

>Release-Note:

>Audit-Trail:

State-Changed-From-To: open->feedback
State-Changed-By: nia@NetBSD.org
State-Changed-When: Thu, 14 Jan 2021 12:09:06 +0000
State-Changed-Why:
I think this should be fixed now that firefox is including
atomic64.mk rather than libatomic/buildlink3.mk.


From: Onno van der Linden <o.vd.linden@quicknet.nl>
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: pkg/55818 (firefox build on 32-bit x86 is possible without
 libatomic)
Date: Thu, 14 Jan 2021 17:54:47 +0100

 On Thu, Jan 14, 2021 at 12:09:07PM +0000, nia@NetBSD.org wrote:
 > Synopsis: firefox build on 32-bit x86 is possible without libatomic
 > 
 > State-Changed-From-To: open->feedback
 > State-Changed-By: nia@NetBSD.org
 > State-Changed-When: Thu, 14 Jan 2021 12:09:06 +0000
 > State-Changed-Why:
 > I think this should be fixed now that firefox is including
 > atomic64.mk rather than libatomic/buildlink3.mk.

 Looks fine. Close this PR please.

 Onno

State-Changed-From-To: feedback->closed
State-Changed-By: nia@NetBSD.org
State-Changed-When: Sat, 16 Jan 2021 13:49:58 +0000
State-Changed-Why:


>Unformatted:

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