Date: Mon, 20 Feb 2023 00:23:53 -0800 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Dimitry Andric <dim@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: core dump in ld during buildworld Message-ID: <Y/MuGb/utfdBfJyJ@troutmask.apl.washington.edu> In-Reply-To: <148DE8E6-E1F2-4132-992A-1A2B9D438B63@FreeBSD.org> References: <Y/FuYLIbwo0xBPVK@troutmask.apl.washington.edu> <25B4B3AD-3791-44D0-9FFA-7F1C2A9E82B9@FreeBSD.org> <Y/F0CXM5Lo8WKYQs@troutmask.apl.washington.edu> <Y/Gwbr63I8e5oWDx@troutmask.apl.washington.edu> <148DE8E6-E1F2-4132-992A-1A2B9D438B63@FreeBSD.org>
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On Sun, Feb 19, 2023 at 07:21:54PM +0100, Dimitry Andric wrote: > On 19 Feb 2023, at 06:15, Steve Kargl <sgk@troutmask.apl.washington.edu> wrote: > > > > On Sat, Feb 18, 2023 at 04:57:45PM -0800, Steve Kargl wrote: > >>> > >>> At that point it is still using the system compiler and linker, and it > >>> seems that the latter is lld. Do you know which version it is? > >>> > >> > >> Good question. Unfortunate ident(1) is useless in a git world. > >> > >> % ll /usr/bin/ld.lld > >> -r-xr-xr-x 1 root wheel - 41754432 Jan 15 12:03 /usr/bin/ld.lld > >> > >> This was built from source from Jan 15 2023. > >> > >> % /usr/bin/ld.lld --version > >> LLD 14.0.5 (FreeBSD llvmorg-14.0.5-0-gc12386ae247c-1400004) (compatible with GNU linkers) > >> > > > > So, is there some way to rebild only ld.lld and install a new loader? > > > > % cd /usr/src/usr.bin/clang/lld > > % make depend > > llvm-tblgen -gen-opt-parser-defs -I /usr/src/contrib/llvm-project/llvm/include -d Options.inc.d -o Options.inc /usr/src/contrib/llvm-project/lld/ELF/Options.td > > make: exec(llvm-tblgen) failed (No such file or directory) > > *** Error code 1 > > > > How to I fix this? > > Assuming llvm-tblgen has already been built (it's a bootstrap-tool), > and you have a regular setup, it should be in: > > /usr/obj/usr/src/amd64.amd64/tmp/obj-tools/usr.bin/clang/llvm-tblgen/llvm-tblgen > > You could try setting LLVM_TBLGEN to that path, then first build libllvm > just to be sure, then usr.bin/clang/lld: > > export LLVM_TBLGEN=/usr/obj/usr/src/amd64.amd64/tmp/obj-tools/usr.bin/clang/llvm-tblgen/llvm-tblgen > make -C /usr/src/lib/clang/libllvm > make -C /usr/src/usr.bin/clang/lld > > If that works, you can run make install from usr.bin/clang/lld. > Thanks for the hints. The above got me past the segfault in ld.ldd. I now have an error about libdwarf.a being truncated and extended beyond some limit while building nm. I'm simply do 'make -k buildworld' now to see if anything is running south. -- Steve
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