<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Issue</th>
<td>
<a href=https://github.com/llvm/llvm-project/issues/58345>58345</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>
libomp.so.5 fails to link with `symbol omp_set_affinity_format_ has undefined version OMP_5.0`
</td>
</tr>
<tr>
<th>Labels</th>
<td>
openmp,
build-problem
</td>
</tr>
<tr>
<th>Assignees</th>
<td>
</td>
</tr>
<tr>
<th>Reporter</th>
<td>
sylvestre
</td>
</tr>
</table>
<pre>
Started to regress today:
```
FAILED: openmp/runtime/src/libomp.so.5
: && "/build/llvm-toolchain-snapshot-16~++20221013034023+d8cab3f40707/build-llvm/./bin/clang" --target=x86_64-pc-linux-gnu -fPIC -fstack-protector-strong -Wformat -Werror=format-security -Wno-unused-command-line-argument -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -fno-semantic-interposition -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -ffile-prefix-map=/build/llvm-toolchain-snapshot-16~++20221013034023+d8cab3f40707/build-llvm/runtimes/runtimes-bins=build-llvm/runtimes/runtimes-bins -ffile-prefix-map=/build/llvm-toolchain-snapshot-16~++20221013034023+d8cab3f40707/= -no-canonical-prefixes -Wall -Wcast-qual -Wformat-pedantic -Wimplicit-fallthrough -Wsign-compare -Wno-enum-constexpr-conversion -Wno-extra -Wno-pedantic -O3 -DNDEBUG -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,--build-id -Wl,-z,defs -Wl,-z,nodelete -fuse-ld=gold -Wl,--warn-shared-textrel -Wl,--as-needed -static-libgcc -Wl,-z,noexecstack -shared -Wl,-soname,libomp.so.5 -o openmp/runtime/src/libomp.so.5 openmp/runtime/src/CMakeFiles/omp.dir/kmp_alloc.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_atomic.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_csupport.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_debug.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_itt.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_environment.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_error.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_global.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_i18n.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_io.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_runtime.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_settings.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_str.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_tasking.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_threadprivate.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_utility.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_barrier.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_wait_release.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_affinity.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_dispatch.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_lock.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_sched.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/z_Linux_util.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/thirdparty/ittnotify/ittnotify_static.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_taskdeps.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_cancel.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_ftn_cdecl.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_ftn_extra.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/kmp_version.cpp.o openmp/runtime/src/CMakeFiles/omp.dir/z_Linux_asm.S.o -lm -ldl && cd "/build/llvm-toolchain-snapshot-16~++20221013034023+d8cab3f40707/build-llvm/runtimes/runtimes-bins/openmp/runtime/src" && /usr/bin/cmake -E create_symlink libomp.so.5 libgomp.so && /usr/bin/cmake -E create_symlink libomp.so.5 libiomp5.so
/usr/bin/ld.gold: error: symbol omp_set_affinity_format_ has undefined version VERSION
/usr/bin/ld.gold: error: symbol omp_set_affinity_format_ has undefined version OMP_5.0
/usr/bin/ld.gold: error: symbol GOMP_parallel has undefined version GOMP_4.0
/usr/bin/ld.gold: error: symbol omp_get_ancestor_thread_num_ has undefined version OMP_3.0
/usr/bin/ld.gold: error: symbol omp_get_partition_place_nums_ has undefined version OMP_4.5
/usr/bin/ld.gold: error: symbol omp_get_num_devices_ has undefined version OMP_4.0
/usr/bin/ld.gold: error: symbol omp_get_wtick_ has undefined version OMP_2.0
/usr/bin/ld.gold: error: symbol omp_in_final_ has undefined version OMP_3.1
/usr/bin/ld.gold: error: symbol omp_get_thread_num_ has undefined version OMP_1.0
/usr/bin/ld.gold: error: symbol GOMP_loop_ordered_start has undefined version GOMP_5.0
/usr/bin/ld.gold: error: symbol GOMP_parallel_loop_nonmonotonic_dynamic has undefined version GOMP_4.5
/usr/bin/ld.gold: error: symbol GOMP_single_start has undefined version GOMP_1.0
/usr/bin/ld.gold: error: symbol GOMP_loop_ull_ordered_runtime_next has undefined version GOMP_2.0
/usr/bin/ld.gold: error: symbol GOMP_taskyield has undefined version GOMP_3.0
/usr/bin/ld.gold: error: symbol GOMP_free has undefined version GOMP_5.0.1
clang: error: linker command failed with exit code 1 (use -v to see invocation)
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJy9WFtv2zYU_jX2i0DDlq958EOaSxGgbYpm3bAngSaPZC4UqZGUE_fX76MsO86wuK2FDjBkXr9z4eG5cGXldvkQuAskk2ATR4Uj79GUfNsbX_aG173hZW82bH9N9_by7sPNNWYTW5Epq15662oTVEloeSfw1Wply2rg7WCatBhY3ktn-OEvxZJVrbSMS_WmZMFaLdZcGeYNr_zaBjaa9eY3vfQdfukwTUfD0Xg4ngzTMQbkQvDVOJ8M58P5HopFIHQGcUAZfIXmpgCxhDFIWFDoja-fF7NsNmGVYFqZ-pkVpk5Y_vnuCl8fuHhklbOBRLCO-eCsKRL2R25dyQMa5Jx1QNkNME-idipsMWMsq03tSTJhy5IbGfGJgWxdkol7JQ_EopISdp3d3n_57e72z-zh_uuXqxsgpgcugOQJCEEJpkwgV1mvgrLmiP4R1mGsNkXNnQQHfMOV5iulwRoz9IRFXOu49Dk4_orZijteEohg9AmiUBRamcKjXyrv0WS5ImhXGTDBtfpGLk6qstJKqMByQIe1s3WxxrCwG3LA9U8qiDWTlPNaR-l3sFCOwQK_kwYENHEZx5WR0BJvxRSBS1by7YrAp6-ryjb2yXKpeGGsh2o8oLQF23leGxH3xdOI_z6u44Ef93OlCQdLuXoGbgVt_UIDbO-CP2oyGKQH1R9a9z_wC8CEwQoEN9YowXVLjPzBVgT3gf1dc32wf1aRbMzy7eP3qjDxAsCsaGdnZOoynroP9Fy51-cfp18s8gX9fowr8un65t3X9wnmdC-9Yu_8tlxZ0GT78_b7qW_4ONLO7gfYTs1KHq-AKb7aYawkDcuHtnETGDQ7vi6slgeK7Ik7aHfNoz2HyCjpwxz3uFgko1H6aLbRnawKIV5ToGcSjVNJWpz9tLeGR295dewnmf0xf_rmoquP_JFuYTrRpOJyqRxaj2WV4ZSsGIiqGpwgcmp_sKXqAiDaa9wBQtKqLjrsV6ELdTIbhXAQnXkXlOisO-wvtF1x3UUJo4Xpst122Nwu7YDgKYQYnbpAhC76D9w_goEuCGuHmFc5tUEM74BThya-d0BYcecUddHGE1chg1sk7ruIwhHvTDdZpPIVR8bRAQIO8rGLXYk1yTP3f8s-xGS0OdMuzqGbjw1r5SQid9iiA2dpbFD5q3a2i3Ud74-kqssFRs4iqIua8mAyIUl0xWhylw4YbSLU0Wa4LwcP2J8wXcaP1PsyS8hfXGm9meiCzzekSV9qwNvaRznaUq2EkAm7SQS8Y6AM2R7qp8fkOO-JGdau0w1EoTNFr61LX2NoOYhZYKxW28LqMtmlnondBaCDu8p2aXGWrLlPahQwGEaKt89vf7_58nB3_-kXU7n_-DmbDoY_S-V93BeLP62R1f43dLNm8vPYUYIiSoB76lFHtyEvQyVwSorx-ZSi02pK5KzSXFCk5E-Rmgym55KKQkjaKIh2msLZwjzBwz6ewk7Pw1YmAxbXp89gdC7bP3bIozNNVVtbZdbJ-LgQo5ALp4y264XYkUNpXFoEvlghZ3KLig3F6cmr8tNW1eyLjyyavi9VJ93VWh_01_rkzCCCnSJ4hqE1-2KQ38ZHo1PgZ1z3Zl_uiL5z9nsj3r3_HQPFcEAuaZ_okpwjrMrkSYV1Qs8qYEJSMkJcWdQekWQTn0Q96CmzsaJ5neqlF_96E-3TcjSbTWeLyWQ46svlWF6ML3gfDknT8jj0RGrxZbXhYkcU27u5fZCvnV6uQ6h8fK5Nb_ErAF2vBpCyDfr72F85-xeJEFM67-smcE8X48m0v17KCymG83R-wdPRZM7n6WoGoSbEp7RYTCTva74i7Ze9KdKEdB_ekV1cxSRjlxYAfqWpjMPT675a7pOJ0WI4m4wGEzmZI-1aEeW0GCO7mAyphE4GkbeBdUXfLRs2UeZ7TGrlg3-Z5D6-LhE1LACf12Ft3dJv9QZhxlG_kWnZCPQPZPPFYw">