linaro-toolchain

linaro-toolchain@lists.linaro.org

3 participants
5603 discussions

by Thiago Jung Bauermann

Hello, # [GNU-767] Support changing SVE vector length in remote debugging * Fixed last bug which prevented the sve-ioctls QEMU testcase to be correctly stepped through in gdbserver. The next step is checking whether any regression was introduced by my changes, and clean up the code. * In the process, spotted small bug in GDB when stepping through the sve-ioctls QEMU testcase using the existing native support. Started preparing a patch to submit upstream. # [LLVM-769] Linaro CI * Increased tcwg-fx-02 ccache max size to 40 GB. * Learned a bit about Zorg and started adding “depends_on_projects” field to builders running on Linaro workers. -- Thiago

2 years, 11 months

Enabling CCache on LLVM bots

by Mehdi AMINI

Hi, I noticed that bots like flang-aarch64-latest-gcc are quite slow and could benefit from enabling ccache. Could you make it available on the system so it could be turned on for all these builds? Thanks, -- Mehdi

2 years, 11 months

[ACTIVITY] report week ending 21 Jul

by Peter Maydell

Progress: * UM-2 [QEMU upstream maintainership] - softfreeze this week; lots of pullrequest merging - spent some time going through our backlog of Coverity Scan issues, triaging them and sending patches for some of them - sent a patchset fixing portability issues in our configure script which had crept in recently and were causing problems on OpenBSD and NetBSD - sent out the invite emails for QEMU Summit -- PMM

2 years, 11 months

[ACTIVITY] Report for week #28

by Thiago Jung Bauermann

Hello, # [GNU-767] Support changing SVE vector length in remote debugging * Rebased the actual SVE vector length changes on top of the stabilised per-thread target descriptions changes. Now stabilising the result. Fixed a couple of problems found when remote-debugging QEMU's sve-ioctls test binary, currently looking into a third one. # Linaro CI's GDB testsuite results * Updated and expanded the LLVM Docker Buildbot Maintenance wiki page with the information about ccache setup I gathered in the past few days. Also added a link to it to the Buildkite Bot Maintenance wiki page since libstdc++ buildkites uses the same configuration. * Increased ccache max size in GNU build jobs on tcwg-jade-02. * Updated ABE repo's tested branch with my commits from last week to improve the GDB testsuite results. Confirmed that the GDB testsuite went from 538 unexpected failures to 307. There's still room for improvement though. -- Thiago

2 years, 11 months

[ACTIVITY] report week ending 15 Jul

by Peter Maydell

Progress: * UM-2 [QEMU upstream maintainership] - took over pullreq handling from RTH for the next couple of weeks - wrote and sent patches that fix a mishandling of Secure stage 2 translation caused by QEMU not noticing that some config bits are in VTCR_EL2 and some in VSTCR_EL2. Removed an ancient microoptimization that was getting in the way of fixing that. - sent patch fixing incorrect syndrome value for data abort on some post-indexed load/store insns - RTH's SME patchset is now upstream, so now would be a good time to test it if anybody has compiler test cases or similar they were thinking of running under QEMU - softfreeze next Tuesday: started reviewing and collecting up minor patches for a pre-freeze pullreq -- PMM

2 years, 11 months

Status of ccache setup on LLVM build bots

by Thiago Jung Bauermann

Hello, I went through the LLVM build bots (and also the libc++ buildkites) and increased their ccache max size. There was a big impact on the flang builds on tcwg-jade-01 (which went from 1h–2h to 10min–30min), but not on other builds. One reason is probably that since I made this change earlier today, there wasn't time yet to finish enough several-hours-long builds to warm up the caches. Since different machines have different disk sizes and free space I chose different ccache max sizes for them, as follows: * tcwg-fx-02 hosts the following build bots: - clang-aarch64-sve-vls-2stage - clang-aarch64-sve-vls - clang-aarch64-sve-vla-2stage - clang-aarch64-sve-vla All share the same ccache. I changed its max size to 20 GB. It's not a lot, but this machine is also used as a dev box so I though it would be good to preserve a fair amount of space. * tcwg-jade-01 hosts the following build bots: - clang-armv8-lld-2stage - clang-armv7-vfpv3-2stage - clang-armv7-global-isel - clang-armv7-quick - clang-armv7-2stage - clang-armv7-lnt - flang-aarch64-latest-gcc - flang-aarch64-rel-assert - flang-aarch64-release - flang-aarch64-latest-clang - flang-aarch64-debug - flang-aarch64-out-of-tree - flang-aarch64-sharedlibs - flang-aarch64-dylib - clang-aarch64-full-2stage - clang-aarch64-global-isel - clang-aarch64-lld-2stage - clang-aarch64-quick All armv7 and armv8 bots share one ccache, and all aarch64 bots share another. I changed the max size of each one to 100 GB. * tcwg-jade-04 hosts the following build bots: - lldb-aarch64-ubuntu - lldb-arm-ubuntu - buildkite-linaro-armv8-libcxx-01 - buildkite-linaro-armv8-libcxx-02 - buildkite-linaro-armv8-libcxx-03 - buildkite-linaro-armv8-libcxx-04 The buildkite bots share a 50 GB ccache, while lldb-arm-ubuntu uses another 50 GB ccache due to being based on a different distro version. And lldb-aarch64-ubuntu also uses its own 50 GB ccache. * tcwg-llvmbot_tk1-01.tcwglab hosts the following build bot: - silent-linaro-tk1-01 I changed the max cache size to 10 GB. There's not a lot of free space on the machine. * tcwg-llvmbot_tk1-03.tcwglab hosts the following build bot: - normal-linaro-tk1-02 I changed the max cache size to 20 GB. * tcwg-llvmbot_tk1-05.tcwglab hosts the following build bot: - silent-linaro-tk1-08 I changed the max cache size to 10 GB. * The following tcwg-llvmbot_tk1-* machines are currently unreachable so I couldn't examine them: - tcwg-llvmbot_tk1-02.tcwglab - tcwg-llvmbot_tk1-04.tcwglab * The following tcwg-llvmbot_tk1-* machines are running an llvmbot container but no builder container, so I didn't change their ccache configuration: - tcwg-llvmbot_tk1-06.tcwglab - tcwg-llvmbot_tk1-07.tcwglab - tcwg-llvmbot_tk1-08.tcwglab - tcwg-llvmbot_tk1-09.tcwglab * tcwg-jade-02 is a GNU builder, and from peeking into a few containers running build jobs I have the impression that it doesn't use ccache. Should I look into it? * Going through our ssh config file I didn't find these build bots that are listed at http://llvm.validation.linaro.org/ so I didn't check their ccache usage: - clang-arm64-windows-msvc-2stage - clang-arm64-windows-msvc - clang-arm64-windows-msvc-2stage - clang-arm64-windows-msvc - clang-native-arm-lnt-perf - clang-armv7-vfpv3-full-2stage - clang-thumbv7-full-2stage - libcxx aarch64 - libcxx aarch64 -fno-exceptions -- Thiago

2 years, 11 months

[ACTIVITY] Report for week #27

by Thiago Jung Bauermann

Hello, # [GNU-767] Support changing SVE vector length in remote debugging * Analysed and fixed a couple more regressions in my branch. The change to per-thread target descriptions in gdbserver (which was the more challenging part) is now free of regressions. Now cleaning up the part that actually deals with the SVE vector length change. # Linaro CI's GDB testsuite results * Increased ccache's max size on most build bots. Sent email to the linaro-toolchain list summarising the current status of their ccache setup. * Started looking more closely into how ccache configuration is put together in our container scripts to document it on the wiki (together with the steps I took to change the ccache max size). -- Thiago

2 years, 12 months

linaro-clang-armv8-lld-2stage has been red for a month

by Galina Kistanova

Hello Linaro Toolchain Working Group, linaro-clang-armv8-lld-2stage <https://lab.llvm.org/buildbot/#/workers/140> has been red since June 7th. Is anybody looking at the issue? Thanks Galina

2 years, 12 months

[weekly][linaro] report week ending 7 Jul

by Peter Maydell

Progress: (short week, 3 days) * UM-2 [QEMU upstream maintainership] - More code review, as softfreeze is now quite close. I think we've finally got there with the SME patchset (the remaining problems with v5 were very minor) * QEMU-422 [QEMU Arm Neoverse V1 vCPU for TCG] - QEMU-315 OS Lock/DoubleLock work now upstream -- PMM

2 years, 12 months

clang-armv7-vfpv3-full-2stage has been failing for more than 7 days and sends emails for each failed build

by Florian Hahn

Hi, It looks like https://lab.llvm.org/buildbot/#/builders/190 has been failing for the last week. It also sends out emails for each failed build, instead of for new failures only. The failure is below. It would be great if you could take a look and possibly adjust the configuration of the bot: [10/2380] Linking CXX shared library lib/clang/15.0.0/lib/linux/libclang_rt.scudo_standalone-armhf.so FAILED: lib/clang/15.0.0/lib/linux/libclang_rt.scudo_standalone-armhf.so : && /usr/local/bin/c++ -fPIC -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -Wall -std=c++14 -Wno-unused-parameter -O3 -DNDEBUG -Wl,-z,defs -Wl,-z,nodelete -Wl,-rpath-link,/home/tcwg-buildbot/worker/clang-armv7-vfpv3-full-2stage/stage1/./lib -march=armv7-a -mfloat-abi=hard -Wl,-z,defs,-z,now,-z,relro -ffunction-sections -fdata-sections -Wl,--gc-sections -nostdlib++ --unwindlib=none -pthread -shared -Wl,-soname,libclang_rt.scudo_standalone-armhf.so -o lib/clang/15.0.0/lib/linux/libclang_rt.scudo_standalone-armhf.so projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/common.cpp.o projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/crash_handler.cpp.o projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/platform_specific/common_posix.cpp.o projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/platform_specific/guarded_pool_allocator_posix.cpp.o projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/platform_specific/mutex_posix.cpp.o projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/platform_specific/utilities_posix.cpp.o projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/guarded_pool_allocator.cpp.o projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/stack_trace_compressor.cpp.o projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsanBacktraceLibc.armhf.dir/optional/backtrace_linux_libc.cpp.o projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsanSegvHandler.armhf.dir/optional/segv_handler_posix.cpp.o projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsanOptionsParser.armhf.dir/optional/options_parser.cpp.o projects/compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-armhf.dir/checksum.cpp.o projects/compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-armhf.dir/common.cpp.o projects/compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-armhf.dir/crc32_hw.cpp.o projects/compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-armhf.dir/flags_parser.cpp.o projects/compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-armhf.dir/flags.cpp.o projects/compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-armhf.dir/fuchsia.cpp.o projects/compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-armhf.dir/linux.cpp.o projects/compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-armhf.dir/release.cpp.o projects/compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-armhf.dir/report.cpp.o projects/compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-armhf.dir/string_utils.cpp.o projects/compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-armhf.dir/wrappers_c.cpp.o projects/compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-armhf.dir/wrappers_cpp.cpp.o -Wl,-rpath,"\$ORIGIN/../lib" && : /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/common.cpp.o:(.ARM.exidx.text._ZN8gwp_asan13ErrorToStringERKNS_5ErrorE+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/common.cpp.o:(.ARM.exidx.text._ZN8gwp_asan18AllocationMetadata16RecordAllocationEjj+0x0): undefined reference to `__aeabi_unwind_cpp_pr1' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/common.cpp.o:(.ARM.exidx.text._ZN8gwp_asan18AllocationMetadata18RecordDeallocationEv+0x0): undefined reference to `__aeabi_unwind_cpp_pr1' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/common.cpp.o:(.ARM.exidx.text._ZN8gwp_asan18AllocationMetadata12CallSiteInfo15RecordBacktraceEPFjPjjE+0x0): undefined reference to `__aeabi_unwind_cpp_pr1' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/common.cpp.o:(.ARM.exidx.text._ZNK8gwp_asan14AllocatorState21maximumAllocationSizeEv+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: 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`__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/crash_handler.cpp.o:(.ARM.exidx.text.__gwp_asan_diagnose_error+0x0): undefined reference to `__aeabi_unwind_cpp_pr1' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/crash_handler.cpp.o:(.ARM.exidx.text.__gwp_asan_get_metadata+0x0): undefined reference to `__aeabi_unwind_cpp_pr1' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/crash_handler.cpp.o:(.ARM.exidx.text.__gwp_asan_get_allocation_address+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/crash_handler.cpp.o:(.ARM.exidx.text.__gwp_asan_get_allocation_size+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/crash_handler.cpp.o:(.ARM.exidx.text.__gwp_asan_get_allocation_thread_id+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/crash_handler.cpp.o:(.ARM.exidx.text.__gwp_asan_get_allocation_trace+0x0): undefined reference to `__aeabi_unwind_cpp_pr1' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/crash_handler.cpp.o:(.ARM.exidx.text.__gwp_asan_is_deallocated+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/crash_handler.cpp.o:(.ARM.exidx.text.__gwp_asan_get_deallocation_thread_id+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/crash_handler.cpp.o:(.ARM.exidx.text.__gwp_asan_get_deallocation_trace+0x0): undefined reference to `__aeabi_unwind_cpp_pr1' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/platform_specific/common_posix.cpp.o:(.ARM.exidx.text._ZN8gwp_asan11getThreadIDEv+0x0): 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projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/platform_specific/guarded_pool_allocator_posix.cpp.o:(.ARM.exidx.text._ZNK8gwp_asan20GuardedPoolAllocator21allocateInGuardedPoolEPvj+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/platform_specific/guarded_pool_allocator_posix.cpp.o:(.ARM.exidx.text._ZNK8gwp_asan20GuardedPoolAllocator23deallocateInGuardedPoolEPvj+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/platform_specific/guarded_pool_allocator_posix.cpp.o:(.ARM.exidx.text._ZN8gwp_asan20GuardedPoolAllocator19getPlatformPageSizeEv+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/platform_specific/guarded_pool_allocator_posix.cpp.o:(.ARM.exidx.text._ZN8gwp_asan20GuardedPoolAllocator13installAtForkEv+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/platform_specific/guarded_pool_allocator_posix.cpp.o:(.ARM.exidx.text._ZZN8gwp_asan20GuardedPoolAllocator13installAtForkEvEN3$_08__invokeEv+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/platform_specific/guarded_pool_allocator_posix.cpp.o:(.ARM.exidx.text._ZZN8gwp_asan20GuardedPoolAllocator13installAtForkEvEN3$_18__invokeEv+0x0): more undefined references to `__aeabi_unwind_cpp_pr0' follow /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/guarded_pool_allocator.cpp.o:(.ARM.exidx.text._ZN8gwp_asan20GuardedPoolAllocator7disableEv+0x0): undefined reference to `__aeabi_unwind_cpp_pr1' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/guarded_pool_allocator.cpp.o:(.ARM.exidx.text._ZN8gwp_asan20GuardedPoolAllocator6enableEv+0x0): 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projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/guarded_pool_allocator.cpp.o:(.ARM.exidx.text._ZN8gwp_asan20GuardedPoolAllocator7getSizeEPKv+0x0): undefined reference to `__aeabi_unwind_cpp_pr1' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/stack_trace_compressor.cpp.o:(.ARM.exidx.text._ZN8gwp_asan11compression4packEPKjjPhj+0x0): undefined reference to `__aeabi_unwind_cpp_pr1' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsan.armhf.dir/stack_trace_compressor.cpp.o:(.ARM.exidx.text._ZN8gwp_asan11compression6unpackEPKhjPjj+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsanBacktraceLibc.armhf.dir/optional/backtrace_linux_libc.cpp.o:(.ARM.exidx.text._ZN8gwp_asan9backtrace20getBacktraceFunctionEv+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsanBacktraceLibc.armhf.dir/optional/backtrace_linux_libc.cpp.o:(.ARM.exidx.text._ZN12_GLOBAL__N_19BacktraceEPjj+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsanBacktraceLibc.armhf.dir/optional/backtrace_linux_libc.cpp.o:(.ARM.exidx.text._ZN8gwp_asan9backtrace25getPrintBacktraceFunctionEv+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsanBacktraceLibc.armhf.dir/optional/backtrace_linux_libc.cpp.o:(.ARM.exidx.text._ZN12_GLOBAL__N_114PrintBacktraceEPjjPFvPKczE+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsanBacktraceLibc.armhf.dir/optional/backtrace_linux_libc.cpp.o:(.ARM.exidx.text._ZN8gwp_asan9backtrace24getSegvBacktraceFunctionEv+0x0): more undefined references to `__aeabi_unwind_cpp_pr0' follow /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsanSegvHandler.armhf.dir/optional/segv_handler_posix.cpp.o:(.ARM.exidx.text._ZN8gwp_asan12segv_handler21installSignalHandlersEPNS_20GuardedPoolAllocatorEPFvPKczEPFvPjjS6_EPFjS7_jPvE+0x0): undefined reference to `__aeabi_unwind_cpp_pr1' /usr/bin/ld: projects/compiler-rt/lib/gwp_asan/CMakeFiles/RTGwpAsanSegvHandler.armhf.dir/optional/segv_handler_posix.cpp.o:(.ARM.exidx.text._ZN12_GLOBAL__N_114sigSegvHandlerEiP9siginfo_tPv+0x0): undefined reference to `__aeabi_unwind_cpp_pr0' clang-13: error: linker command failed with exit code 1 (use -v to see invocation) [11/2380] Linking CXX static library lib/libLLVMObject.a Cheers, Florian

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