[compiler-rt] [rtsan] Explicitly link pthread in the tests and dynamic libraries (PR #98256)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Tue Jul 9 19:08:46 PDT 2024 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-ppc64le-linux` running on `ppc64le-sanitizer` while building `compiler-rt` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/72/builds/990

Here is the relevant piece of the build log for the reference:
```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
    
    Follow up to #98219
    
    This reverts commit
    [14f7450](https://github.com/llvm/llvm-project/commit/14f745074d05fb42f5c8a625c79bf557bb980ebb)
    
    Ensure that -pthread is explicitly linked when running the rtsan tests.
    
    Issue this fixes:
    ```
    FAILED: compiler-rt/lib/rtsan/tests/Rtsan-powerpc64le-NoInstTest /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/Rtsan-powerpc64le-NoInstTest
    cd /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests && /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/./bin/clang++ RtsanNoInstTestObjects.rtsan_preinit.cpp.powerpc64le.o RtsanNoInstTestObjects.rtsan_test_context.cpp.powerpc64le.o RtsanNoInstTestObjects.rtsan_test_main.cpp.powerpc64le.o RtsanNoInstTestObjects.gtest-all.cc.powerpc64le.o RtsanNoInstTestObjects.gmock-all.cc.powerpc64le.o /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a -o /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/./Rtsan-powerpc64le-NoInstTest -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -resource-dir=/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/./lib/../lib/clang/19 -Wl,-rpath,/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/./lib/../lib/clang/19/lib/powerpc64le-unknown-linux-gnu -lstdc++ -no-pie -latomic -m64 -fno-function-sections
    /usr/bin/ld: RtsanNoInstTestObjects.gtest-all.cc.powerpc64le.o: undefined reference to symbol 'pthread_getspecific@@GLIBC_2.17'
    //usr/lib64/libpthread.so.0: error adding symbols: DSO missing from command line
    ```

+ LLVM=/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm
+ build_and_test gcc ''
+ build gcc ''
+ local build_dir=build_gcc
+ echo '@@@BUILD_STEP build compiler-rt gcc@@@'
+ [[ ! -f build_gcc/delete_next_time ]]
+ mkdir -p build_gcc
@@@BUILD_STEP build compiler-rt gcc@@@
+ cmake -B build_gcc -DLLVM_APPEND_VC_REV=OFF -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_CCACHE_BUILD=ON -DLLVM_USE_LINKER=lld -DLLVM_TARGETS_TO_BUILD=PowerPC -DLLVM_LIT_ARGS=-vj256 '-DLLVM_ENABLE_PROJECTS=clang;lld' '-DLLVM_ENABLE_RUNTIMES=libcxx;libcxxabi;compiler-rt;libunwind' -DLLVM_BUILD_LLVM_DYLIB=ON -DLLVM_ENABLE_ASSERTIONS=ON -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=OFF /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm
CMake Deprecation Warning at /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/cmake/Modules/CMakePolicy.cmake:6 (cmake_policy):
  The OLD behavior for policy CMP0114 will be removed from a future version
  of CMake.

  The cmake-policies(7) manual explains that the OLD behaviors of all
  policies are deprecated and that a policy should be set to OLD only under
  specific short-term circumstances.  Projects should be ported to the NEW
  behavior and not rely on setting a policy to OLD.
Call Stack (most recent call first):
  CMakeLists.txt:6 (include)


CMake Deprecation Warning at /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/cmake/Modules/CMakePolicy.cmake:11 (cmake_policy):
  The OLD behavior for policy CMP0116 will be removed from a future version
  of CMake.

  The cmake-policies(7) manual explains that the OLD behaviors of all
  policies are deprecated and that a policy should be set to OLD only under
  specific short-term circumstances.  Projects should be ported to the NEW
  behavior and not rely on setting a policy to OLD.
Call Stack (most recent call first):
  CMakeLists.txt:6 (include)


Step 9 (test compiler-rt gcc) failure: test compiler-rt gcc (failure)
...
-- Configuring done (1.3s)
-- Generating done (0.3s)
-- Build files have been written to: /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/runtimes/runtimes-bins
[6/7] cd /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/runtimes/runtimes-bins && /home/buildbots/llvm-external-buildbots/cmake-3.28.2/bin/cmake --build /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/runtimes/runtimes-bins/ --target check-compiler-rt --config Release
[0/10] Performing build step for 'libcxx_msan_powerpc64le'
ninja: no work to do.
[2/10] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan_dynamic_version_script_dummy.powerpc64le.dir/dummy.cpp.o
[3/8] Performing build step for 'libcxx_tsan_powerpc64le'
ninja: no work to do.
[5/8] Generating Rtsan-powerpc64le-NoInstTest
FAILED: compiler-rt/lib/rtsan/tests/Rtsan-powerpc64le-NoInstTest /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/Rtsan-powerpc64le-NoInstTest 
cd /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests && /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/./bin/clang++ RtsanNoInstTestObjects.rtsan_preinit.cpp.powerpc64le.o RtsanNoInstTestObjects.rtsan_test_context.cpp.powerpc64le.o RtsanNoInstTestObjects.rtsan_test_main.cpp.powerpc64le.o RtsanNoInstTestObjects.gtest-all.cc.powerpc64le.o RtsanNoInstTestObjects.gmock-all.cc.powerpc64le.o /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a -o /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/./Rtsan-powerpc64le-NoInstTest -fuse-ld=lld -Wl,--color-diagnostics -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -resource-dir=/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/./lib/../lib/clang/19 -Wl,-rpath,/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/./lib/../lib/clang/19/lib/linux -lstdc++ -no-pie -pthread -latomic -m64 -fno-function-sections
ld.lld: error: undefined symbol: dlsym
>>> referenced by interception_linux.cpp:42 (/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/lib/interception/interception_linux.cpp:42)
>>>               interception_linux.cpp.o:(__interception::InterceptFunction(char const*, unsigned long*, unsigned long, unsigned long)) in archive /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a
>>> referenced by interception_linux.cpp:49 (/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/lib/interception/interception_linux.cpp:49)
>>>               interception_linux.cpp.o:(__interception::InterceptFunction(char const*, unsigned long*, unsigned long, unsigned long)) in archive /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a
>>> referenced by sanitizer_linux_libcdep.cpp:175 (/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp:175)
>>>               sanitizer_linux_libcdep.cpp.o:(__sanitizer::SetEnv(char const*, char const*)) in archive /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a
>>> referenced 5 more times

ld.lld: error: undefined symbol: dlvsym
>>> referenced by interception_linux.cpp:69 (/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/lib/interception/interception_linux.cpp:69)
>>>               interception_linux.cpp.o:(__interception::InterceptFunction(char const*, char const*, unsigned long*, unsigned long, unsigned long)) in archive /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
[6/8] Linking CXX shared library /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/lib/clang/19/lib/linux/libclang_rt.asan-powerpc64le.so
ninja: build stopped: subcommand failed.
FAILED: runtimes/CMakeFiles/check-compiler-rt /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/runtimes/CMakeFiles/check-compiler-rt 
cd /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/runtimes/runtimes-bins && /home/buildbots/llvm-external-buildbots/cmake-3.28.2/bin/cmake --build /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_gcc/runtimes/runtimes-bins/ --target check-compiler-rt --config Release
ninja: build stopped: subcommand failed.
+ build_failure
+ echo
+ echo 'How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild'
+ echo
+ sleep 5

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild
+ echo @@@STEP_FAILURE@@@
+ [[ '' == \1 ]]
+ [[ ! -v BUILDBOT_BUILDERNAME ]]
+ CMAKE_COMMON_OPTIONS+=' -DCMAKE_C_COMPILER=/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm_build0/bin/clang -DCMAKE_CXX_COMPILER=/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm_build0/bin/clang++'
+ CMAKE_COMMON_OPTIONS+=' -DLLVM_ENABLE_WERROR=ON'
+ '[' 0 == 1 ']'
+ LIT_FILTER_OUT='(AddressSanitizer|asan|ubsan)'
+ build_and_test debug -DCOMPILER_RT_DEBUG=ON
Step 11 (test compiler-rt debug) failure: test compiler-rt debug (failure)
...
-- Configuring done (1.3s)
-- Generating done (0.4s)
-- Build files have been written to: /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/runtimes/runtimes-bins
[6/7] cd /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/runtimes/runtimes-bins && /home/buildbots/llvm-external-buildbots/cmake-3.28.2/bin/cmake --build /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/runtimes/runtimes-bins/ --target check-compiler-rt --config Release
[0/10] Performing build step for 'libcxx_msan_powerpc64le'
ninja: no work to do.
[2/10] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan_dynamic_version_script_dummy.powerpc64le.dir/dummy.cpp.o
[3/8] Performing build step for 'libcxx_tsan_powerpc64le'
ninja: no work to do.
[5/8] Generating Rtsan-powerpc64le-NoInstTest
FAILED: compiler-rt/lib/rtsan/tests/Rtsan-powerpc64le-NoInstTest /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/Rtsan-powerpc64le-NoInstTest 
cd /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests && /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/./bin/clang++ RtsanNoInstTestObjects.rtsan_preinit.cpp.powerpc64le.o RtsanNoInstTestObjects.rtsan_test_context.cpp.powerpc64le.o RtsanNoInstTestObjects.rtsan_test_main.cpp.powerpc64le.o RtsanNoInstTestObjects.gtest-all.cc.powerpc64le.o RtsanNoInstTestObjects.gmock-all.cc.powerpc64le.o /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a -o /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/./Rtsan-powerpc64le-NoInstTest -fuse-ld=lld -Wl,--color-diagnostics -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -resource-dir=/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/./lib/../lib/clang/19 -Wl,-rpath,/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/./lib/../lib/clang/19/lib/linux -lstdc++ -no-pie -pthread -latomic -m64 -fno-function-sections
ld.lld: error: undefined symbol: dlsym
>>> referenced by interception_linux.cpp:42 (/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/lib/interception/interception_linux.cpp:42)
>>>               interception_linux.cpp.o:(__interception::InterceptFunction(char const*, unsigned long*, unsigned long, unsigned long)) in archive /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a
>>> referenced by interception_linux.cpp:49 (/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/lib/interception/interception_linux.cpp:49)
>>>               interception_linux.cpp.o:(__interception::InterceptFunction(char const*, unsigned long*, unsigned long, unsigned long)) in archive /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a
>>> referenced by sanitizer_linux_libcdep.cpp:175 (/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp:175)
>>>               sanitizer_linux_libcdep.cpp.o:(__sanitizer::SetEnv(char const*, char const*)) in archive /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a
>>> referenced 5 more times

ld.lld: error: undefined symbol: dlvsym
>>> referenced by interception_linux.cpp:69 (/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/lib/interception/interception_linux.cpp:69)
>>>               interception_linux.cpp.o:(__interception::InterceptFunction(char const*, char const*, unsigned long*, unsigned long, unsigned long)) in archive /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
[6/8] Linking CXX shared library /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/lib/clang/19/lib/linux/libclang_rt.asan-powerpc64le.so
ninja: build stopped: subcommand failed.
FAILED: runtimes/CMakeFiles/check-compiler-rt /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/runtimes/CMakeFiles/check-compiler-rt 
cd /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/runtimes/runtimes-bins && /home/buildbots/llvm-external-buildbots/cmake-3.28.2/bin/cmake --build /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_debug/runtimes/runtimes-bins/ --target check-compiler-rt --config Release
ninja: build stopped: subcommand failed.
+ build_failure
+ echo
+ echo 'How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild'
+ echo
+ sleep 5

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild
+ echo @@@STEP_FAILURE@@@
+ [[ '' == \1 ]]
+ [[ ! -v BUILDBOT_BUILDERNAME ]]
+ build tsan_debug '-DCOMPILER_RT_DEBUG=ON -DCOMPILER_RT_TSAN_DEBUG_OUTPUT=ON -DLLVM_INCLUDE_TESTS=OFF'
Step 14 (test compiler-rt default) failure: test compiler-rt default (failure)
...
-- Configuring done (1.2s)
-- Generating done (0.3s)
-- Build files have been written to: /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins
[6/7] cd /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins && /home/buildbots/llvm-external-buildbots/cmake-3.28.2/bin/cmake --build /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/ --target check-compiler-rt --config Release
[0/10] Performing build step for 'libcxx_msan_powerpc64le'
ninja: no work to do.
[2/10] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan_dynamic_version_script_dummy.powerpc64le.dir/dummy.cpp.o
[3/8] Performing build step for 'libcxx_tsan_powerpc64le'
ninja: no work to do.
[4/8] Generating Rtsan-powerpc64le-NoInstTest
FAILED: compiler-rt/lib/rtsan/tests/Rtsan-powerpc64le-NoInstTest /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/Rtsan-powerpc64le-NoInstTest 
cd /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests && /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/./bin/clang++ RtsanNoInstTestObjects.rtsan_preinit.cpp.powerpc64le.o RtsanNoInstTestObjects.rtsan_test_context.cpp.powerpc64le.o RtsanNoInstTestObjects.rtsan_test_main.cpp.powerpc64le.o RtsanNoInstTestObjects.gtest-all.cc.powerpc64le.o RtsanNoInstTestObjects.gmock-all.cc.powerpc64le.o /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a -o /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/./Rtsan-powerpc64le-NoInstTest -fuse-ld=lld -Wl,--color-diagnostics -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -resource-dir=/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/./lib/../lib/clang/19 -Wl,-rpath,/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/./lib/../lib/clang/19/lib/linux -lstdc++ -no-pie -pthread -latomic -m64 -fno-function-sections
ld.lld: error: undefined symbol: dlsym
>>> referenced by interception_linux.cpp:42 (/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/lib/interception/interception_linux.cpp:42)
>>>               interception_linux.cpp.o:(__interception::InterceptFunction(char const*, unsigned long*, unsigned long, unsigned long)) in archive /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a
>>> referenced by interception_linux.cpp:49 (/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/lib/interception/interception_linux.cpp:49)
>>>               interception_linux.cpp.o:(__interception::InterceptFunction(char const*, unsigned long*, unsigned long, unsigned long)) in archive /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a
>>> referenced by sanitizer_linux_libcdep.cpp:175 (/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp:175)
>>>               sanitizer_linux_libcdep.cpp.o:(__sanitizer::SetEnv(char const*, char const*)) in archive /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a
>>> referenced 5 more times

ld.lld: error: undefined symbol: dlvsym
>>> referenced by interception_linux.cpp:69 (/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/lib/interception/interception_linux.cpp:69)
>>>               interception_linux.cpp.o:(__interception::InterceptFunction(char const*, char const*, unsigned long*, unsigned long, unsigned long)) in archive /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
[6/8] Linking CXX shared library /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/lib/clang/19/lib/linux/libclang_rt.asan-powerpc64le.so
ninja: build stopped: subcommand failed.
FAILED: runtimes/CMakeFiles/check-compiler-rt /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/CMakeFiles/check-compiler-rt 
cd /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins && /home/buildbots/llvm-external-buildbots/cmake-3.28.2/bin/cmake --build /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/ --target check-compiler-rt --config Release
ninja: build stopped: subcommand failed.
+ build_failure
+ echo
+ echo 'How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild'

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild
+ echo
+ sleep 5
+ echo @@@STEP_FAILURE@@@
+ [[ '' == \1 ]]
+ [[ ! -v BUILDBOT_BUILDERNAME ]]
+ FRESH_CLANG_PATH=/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/bin
+ echo @@@BUILD_STEP build standalone compiler-rt@@@
+ mkdir -p compiler_rt_build
Step 16 (test standalone compiler-rt) failure: test standalone compiler-rt (failure)
...
[1222/1230] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/ios.instantiations.cpp.o
[1223/1230] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/algorithm.cpp.o
[1224/1230] Building CXX object libcxx/src/CMakeFiles/cxx_experimental.dir/experimental/tzdb.cpp.o
[1225/1230] Building CXX object libcxx/src/CMakeFiles/cxx_experimental.dir/experimental/time_zone.cpp.o
[1226/1230] Building CXX object libcxxabi/src/CMakeFiles/cxxabi_static_objects.dir/cxa_demangle.cpp.o
[1227/1230] Linking CXX static library lib/libc++abi.a
[1228/1230] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/locale.cpp.o
[1229/1230] Linking CXX static library lib/libc++.a
[1230/1230] Linking CXX static library lib/libc++experimental.a
[98/118] Generating Rtsan-powerpc64le-NoInstTest
FAILED: lib/rtsan/tests/Rtsan-powerpc64le-NoInstTest /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/compiler_rt_build/lib/rtsan/tests/Rtsan-powerpc64le-NoInstTest 
cd /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/compiler_rt_build/lib/rtsan/tests && /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/bin/clang++ RtsanNoInstTestObjects.rtsan_preinit.cpp.powerpc64le.o RtsanNoInstTestObjects.rtsan_test_context.cpp.powerpc64le.o RtsanNoInstTestObjects.rtsan_test_main.cpp.powerpc64le.o RtsanNoInstTestObjects.gtest-all.cc.powerpc64le.o RtsanNoInstTestObjects.gmock-all.cc.powerpc64le.o /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/compiler_rt_build/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a -o /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/compiler_rt_build/lib/rtsan/tests/./Rtsan-powerpc64le-NoInstTest -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -resource-dir=/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/compiler_rt_build -Wl,-rpath,/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/compiler_rt_build/lib/linux -lstdc++ -no-pie -pthread -latomic -m64 -fno-function-sections
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/compiler_rt_build/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a(interception_linux.cpp.o): In function `__interception::InterceptFunction(char const*, unsigned long*, unsigned long, unsigned long)':
interception_linux.cpp:(.text+0x3c): undefined reference to `dlsym'
interception_linux.cpp:(.text+0x54): undefined reference to `dlsym'
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/compiler_rt_build/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a(interception_linux.cpp.o): In function `__interception::InterceptFunction(char const*, char const*, unsigned long*, unsigned long, unsigned long)':
interception_linux.cpp:(.text+0xe8): undefined reference to `dlvsym'
/usr/bin/ld: Dwarf Error: Invalid or unhandled FORM value: 0x1e.
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/compiler_rt_build/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a(sanitizer_linux_libcdep.cpp.o): In function `__sanitizer::SetEnv(char const*, char const*)':
sanitizer_linux_libcdep.cpp:(.text+0x314): undefined reference to `dlsym'
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/compiler_rt_build/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a(sanitizer_linux_libcdep.cpp.o): In function `__sanitizer::InitTlsSize()':
sanitizer_linux_libcdep.cpp:(.text+0x478): undefined reference to `dlsym'
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/compiler_rt_build/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a(sanitizer_linux_libcdep.cpp.o): In function `__sanitizer::ThreadDescriptorSize()':
sanitizer_linux_libcdep.cpp:(.text+0x4f8): undefined reference to `dlsym'
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/compiler_rt_build/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a(sanitizer_linux_libcdep.cpp.o): In function `__sanitizer::GetTlsSize()':
sanitizer_linux_libcdep.cpp:(.text+0x578): undefined reference to `dlsym'
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/compiler_rt_build/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a(sanitizer_linux_libcdep.cpp.o): In function `__sanitizer::GetThreadStackAndTls(bool, unsigned long*, unsigned long*, unsigned long*, unsigned long*)':
sanitizer_linux_libcdep.cpp:(.text+0x650): undefined reference to `dlsym'
/usr/bin/ld: Dwarf Error: Invalid or unhandled FORM value: 0x1e.
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/compiler_rt_build/lib/rtsan/tests/libRTRtsanTest.powerpc64le.a(sanitizer_symbolizer_posix_libcdep.cpp.o):sanitizer_symbolizer_posix_libcdep.cpp:(.text+0xf0c): more undefined references to `dlsym' follow
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
[100/118] Generating ASAN_INST_TEST_OBJECTS.gtest-all.cc.powerpc64le-inline.o
ninja: build stopped: subcommand failed.
+ build_failure
+ echo
+ echo 'How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild'
+ echo
+ sleep 5

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild
+ echo @@@STEP_FAILURE@@@
+ [[ '' == \1 ]]
+ [[ ! -v BUILDBOT_BUILDERNAME ]]
+ '[' 0 == 1 ']'
+ cleanup
+ [[ -v BUILDBOT_BUILDERNAME ]]
+ echo @@@BUILD_STEP cleanup@@@

```

https://github.com/llvm/llvm-project/pull/98256

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