Bug 933608

Summary:	llvm-runtimes/libcxx-18.1.6 - [icu-75.1] ld.lld: error: undefined symbol: _Unwind_Resume
Product:	Gentoo Linux	Reporter:	Toralf Förster <toralf>
Component:	Current packages	Assignee:	LLVM support project <llvm>
Status:	CONFIRMED ---
Severity:	normal
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:
Package list:		Runtime testing required:	---
Attachments:	emerge-info.txt emerge-history.txt environment etc.clang.tar.xz etc.portage.tar.xz qlist-info.txt sys-libs:libcxx-18.1.6:20240605-120638.log.xz temp.tar.xz

Description Toralf Förster gentoo-dev

2024-06-05 12:12:14 UTC

too long lines were shrinked:

[1072/1260] /usr/lib/llvm/18/bin/x86_64-pc-linux-gnu-clang++ --target=x86_64-pc-linux-gnu -DLIBCXX_BUILDING_LIBCXXABI -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_LINK_PTHREAD_LIB -D_LIBCPP_LINK_RT_LIB -D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES -D__STDC_CONSTANT_MACROS -D__ST
[1073/1260] /usr/lib/llvm/18/bin/x86_64-pc-linux-gnu-clang++ --target=x86_64-pc-linux-gnu -DLIBCXX_BUILDING_LIBCXXABI -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_LINK_PTHREAD_LIB -D_LIBCPP_LINK_RT_LIB -D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES -D__STDC_CONSTANT_MACROS -D__ST
[1074/1260] /usr/lib/llvm/18/bin/x86_64-pc-linux-gnu-clang++ --target=x86_64-pc-linux-gnu -DLIBCXX_BUILDING_LIBCXXABI -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_LINK_PTHREAD_LIB -D_LIBCPP_LINK_RT_LIB -D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES -D__STDC_CONSTANT_MACROS -D__ST
[1075/1260] : && /usr/lib/llvm/18/bin/x86_64-pc-linux-gnu-clang++ --target=x86_64-pc-linux-gnu -fPIC -O2 -pipe -march=native -fno-diagnostics-color -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissi
FAILED: lib/libc++.so.1.0 
: && /usr/lib/llvm/18/bin/x86_64-pc-linux-gnu-clang++ --target=x86_64-pc-linux-gnu -fPIC -O2 -pipe -march=native -fno-diagnostics-color -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-ini
ld.lld: error: undefined symbol: _Unwind_Resume
>>> referenced by call_once.cpp
>>>               libcxx/src/CMakeFiles/cxx_shared.dir/call_once.cpp.o:(std::__1::__call_once(unsigned long volatile&, void*, void (*)(void*)))

  -------------------------------------------------------------------

  This is an unstable amd64 chroot image at a tinderbox (==build bot)
  name: 23.0_no_multilib_hardened-20240604-185222

  UNMASKED:
  ~dev-libs/icu-75.1
  ~dev-libs/icu-layoutex-75.1

  The attached etc.portage.tar.xz has all details.
  -------------------------------------------------------------------

gcc-config -l:
 [1] x86_64-pc-linux-gnu-14 *
clang/llvm (if any):
clang version 18.1.6
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/lib/llvm/18/bin
Configuration file: /etc/clang/x86_64-pc-linux-gnu-clang.cfg
/usr/lib/llvm/18
18.1.6
Python 3.12.3
php cli (if any):

  HEAD of ::gentoo
commit 3af06c68b378ebc331c0201588440fc8e7362935
Author: Repository mirror & CI <repomirrorci@gentoo.org>
Date:   Wed Jun 5 07:04:28 2024 +0000

    2024-06-05 07:04:27 UTC

emerge -qpvO sys-libs/libcxx
[ebuild  N    ] sys-libs/libcxx-18.1.6  USE="clang (libcxxabi) static-libs verify-sig -test"

Comment 1 Toralf Förster gentoo-dev

2024-06-05 12:12:15 UTC

Created attachment 895166 [details]
emerge-info.txt

Comment 2 Toralf Förster gentoo-dev

2024-06-05 12:12:16 UTC

Created attachment 895167 [details]
emerge-history.txt

Comment 3 Toralf Förster gentoo-dev

2024-06-05 12:12:18 UTC

Created attachment 895168 [details]
environment

Comment 4 Toralf Förster gentoo-dev

2024-06-05 12:12:19 UTC

Created attachment 895169 [details]
etc.clang.tar.xz

Comment 5 Toralf Förster gentoo-dev

2024-06-05 12:12:19 UTC

Created attachment 895170 [details]
etc.portage.tar.xz

Comment 6 Toralf Förster gentoo-dev

2024-06-05 12:12:21 UTC

Created attachment 895171 [details]
qlist-info.txt

Comment 7 Toralf Förster gentoo-dev

2024-06-05 12:12:22 UTC

Created attachment 895172 [details]
sys-libs:libcxx-18.1.6:20240605-120638.log.xz

Comment 8 Toralf Förster gentoo-dev

2024-06-05 12:12:23 UTC

Created attachment 895173 [details]
temp.tar.xz