Re: port-macppc/53380: undefined reference to `__atomic_fetch_add_8'

[Jason Thorpe <thorpej%me.com@localhost>]

The following reply was made to PR port-macppc/53380; it has been noted by GNATS.

From: Jason Thorpe <thorpej%me.com@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: port-macppc-maintainer%netbsd.org@localhost,
 gnats-admin%netbsd.org@localhost,
 netbsd-bugs%netbsd.org@localhost,
 venture37%geeklan.co.uk@localhost
Subject: Re: port-macppc/53380: undefined reference to `__atomic_fetch_add_8'
Date: Thu, 21 Mar 2019 21:54:56 -0700

 > On Mar 21, 2019, at 9:50 PM, David H. Gutteridge <david%gutteridge.ca@localhost> =
 wrote:
 >=20
 > Fundamentally, the only way I know this will build on 32-bit PowerPC =
 is
 > to use GCC's libatomic. This isn't available in NetBSD base, so we =
 must
 > use a GCC from pkgsrc, and force it to install the associated libgcc
 > libraries. (As leot@ noted recently about Firefox, this "abuses" the
 > meaning of USE_PKGSRC_GCC_RUNTIME, but there's no way around this
 > here.)
 
 We should not be including GCC's libatomic... Can someone explain to me =
 how __atomic_fetch_add_8() is implemented on 32-bit PowerPC?
 
 -- thorpej