Date: Sun, 23 Jul 2017 16:13:18 -0700 From: Mark Millard <markmi@dsl-only.net> To: Shawn Webb <shawn.webb@hardenedbsd.org> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: HEADS-UP: Merged llvm/clang 5.0.0 into -CURRENT (as of r321369) Message-ID: <CBE9BADF-CE6D-4317-9868-945A0FDB65BE@dsl-only.net>
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Shawn Webb shawn.webb at hardenedbsd.org wrote on Sat Jul 22 15:33:14 UTC 2017 : > I haven't nailed down whether it's SafeStack, CFI, or using lld as the > default linker, but it looks like we in HardenedBSD are getting an > undefined symbol during buildworld. In an amd64 -> TARGET_ARCH=3Dpowerpc64 cross build context=20 for FreeBSD -r321371 I got a similar report for the: /usr/obj/usr/src/tmp/usr/bin/ld: error: undefined symbol: = lldb_private::AppleObjCRuntime::GetFoundationVersion() >>> referenced by = /usr/src/contrib/llvm/tools/lldb/source/Plugins/Language/ObjC/Cocoa.cpp >>> = Cocoa.o:(lldb_private::formatters::NSNumberSummaryProvider(lldb_private::V= alueObject&, lldb_private::Stream&, lldb_private::TypeSummaryOptions = const&)) in archive /usr/obj/usr/src/lib/clang/liblldb/liblldb.a part of your report (logfile). The context used devel/powerpc64-binutils : # /usr/local/powerpc64-freebsd/bin/ld --version GNU ld (GNU Binutils) 2.28 Copyright (C) 2017 Free Software Foundation, Inc. This program is free software; you may redistribute it under the terms = of the GNU General Public License version 3 or (at your option) a later = version. This program has absolutely no warranty. (lld is not yet working option for powerpc64 as far as I know.) For this part of your report I doubt that anything that you listed is required for the problem to happen. In my context the error text was: --- lldb.full --- = /usr/obj/powerpc64vtsc_clang_altbinutils/powerpc.powerpc64/usr/src/lib/cla= ng/liblldb/liblldb.a(Cocoa.o): In function = `lldb_private::formatters::NSNumberSummaryProvider(lldb_private::ValueObje= ct&, lldb_private::Stream&, lldb_private::TypeSummaryOptions const&)': = /usr/src/contrib/llvm/tools/lldb/source/Plugins/Language/ObjC/Cocoa.cpp:(.= text._ZN12lldb_private10formatters23NSNumberSummaryProviderERNS_11ValueObj= ectERNS_6StreamERKNS_18TypeSummaryOptionsE+0x398): undefined reference = to `lldb_private::AppleObjCRuntime::GetFoundationVersion()' =3D=3D=3D Mark Millard markmi at dsl-only.net
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