Date: Sat, 22 Aug 2020 15:22:38 +0100 From: Bob Eager <rde@tavi.co.uk> To: freebsd-ports@freebsd.org Subject: Re: pkg-fallout: duplicate symbols? Message-ID: <20200822152238.71e8f3b5@raksha.tavi.co.uk> In-Reply-To: <slrnrk29h7.2oqq.naddy@lorvorc.mips.inka.de> References: <slrnrk29h7.2oqq.naddy@lorvorc.mips.inka.de>
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On Sat, 22 Aug 2020 14:05:27 -0000 (UTC) Christian Weisgerber <naddy@mips.inka.de> wrote: > I'm currently receiving pkg-fallout mail that some of the ports I > maintain are failing to build with "duplicate symbol" errors. > > It is unclear to me whether these are actual problems I need to > take care of, or just some kind of screw-up on the package build > server. This part of each message doesn't inspire confidence: > > !!! Jail is newer than host. (Jail: 1300110, Host: 1300100) !!! > !!! This is not supported. !!! > !!! Host kernel must be same or newer than jail. !!! > !!! Expect build failures. !!! > > Can somebody clarify what's going on? > I've had some of these. I know that at least some of them are because CLANG 11 defaults to -no-fcommon (previous was -fcommon). Basically, a symbol defined (but not extern) in more than one module will cause this.
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