Date: Thu, 18 Apr 2024 16:44:31 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Brooks Davis <brooks@freebsd.org> Cc: freebsd-arch@freebsd.org, Michael Dexter <editor@callfortesting.org> Subject: Re: RFC: linking with --no-undefined-version Message-ID: <ZiGwXzN3QBBBtcRX@troutmask.apl.washington.edu> In-Reply-To: <ZiGuN-ML65sN2shW@spindle.one-eyed-alien.net> References: <ZiGuN-ML65sN2shW@spindle.one-eyed-alien.net>
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On Thu, Apr 18, 2024 at 11:35:19PM +0000, Brooks Davis wrote: > As of LLVM 16, lld default to --no-undefined-version which means that if > a symbol is listed in the symbol version map it must be present or lld > will fail to link. This is good because it prevents that accidental loss > of symbols which breaks our ABI compatibility. Unfortunately, it's > somewhat complicating because our symbol version maps may vary > per-architecture or based on options. As a result we added > --undefined-version to LDFLAGS. > Just to be clear, does this extend into /usr/ports? I only have 3020 *.so in /usr/local/lib. I can image that some software package may have missing symbols. -- Steve
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