[llvm-bugs] [Bug 44121] New: Is -DLIBOMP_USE_VERSION_SYMBOLS=ON build broken?

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=44121

            Bug ID: 44121
           Summary: Is -DLIBOMP_USE_VERSION_SYMBOLS=ON build broken?
           Product: OpenMP
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Runtime Library
          Assignee: unassignedbugs at nondot.org
          Reporter: lebedev.ri at gmail.com
                CC: llvm-bugs at lists.llvm.org

I was seeing that for some time now, but only now did i take a detailed look.
With -DLIBOMP_USE_VERSION_SYMBOLS=OFF `ninja libomp.so` passes.
But with -DLIBOMP_USE_VERSION_SYMBOLS=ON i get:

[33/33] Linking C shared library lib/libomp.so
FAILED: lib/libomp.so 
: && /usr/bin/clang-9 -fPIC -O2 -march=native -g -ggdb -DDEBUG -UNDEBUG -gz
-fPIC -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra
-Wno-unused-parameter -Wwrite-strings -Wmissing-field-initializers -pedantic
-Wno-long-long -Wimplicit-fallthrough -Wcovered-switch-default
-Wdelete-non-virtual-dtor -Wstring-conversion -fdiagnostics-color
-ffunction-sections -fdata-sections -Wall -Wcast-qual -Wformat-pedantic
-Wimplicit-fallthrough -Wsign-compare -Wno-extra -Wno-pedantic -O2
-march=native -g -ggdb -DDEBUG -UNDEBUG -gz  -Wl,--compress-debug-sections=zlib
-Wl,--gdb-index -Wl,-z,defs -Wl,-z,nodelete -Wl,--color-diagnostics -shared
-Wl,-soname,libomp.so -o lib/libomp.so
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_alloc.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_atomic.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_csupport.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_debug.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_itt.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_environment.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_error.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_global.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_i18n.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_io.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_runtime.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_settings.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_str.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_tasking.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_threadprivate.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_utility.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_barrier.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_wait_release.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_affinity.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_dispatch.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_lock.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_sched.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/z_Linux_util.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/thirdparty/ittnotify/ittnotify_static.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_taskdeps.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_cancel.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_ftn_cdecl.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_ftn_extra.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_version.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/ompt-general.cpp.o
projects/openmp/runtime/src/CMakeFiles/omp.dir/z_Linux_asm.S.o  -lpthread -ldl
&& cd /builddirs/llvm-project/build-Clang9-unknown/lib && /usr/bin/cmake -E
create_symlink libomp.so libgomp.so && /usr/bin/cmake -E create_symlink
libomp.so libiomp5.so && cd
/builddirs/llvm-project/build-Clang9-unknown/projects/openmp/runtime/src &&
/usr/bin/cmake -E make_directory
/repositories/llvm-project/openmp/runtime/exports/common.ompt.optional/include
&& /usr/bin/cmake -E copy omp.h
/repositories/llvm-project/openmp/runtime/exports/common.ompt.optional/include
&& cd /builddirs/llvm-project/build-Clang9-unknown/projects/openmp/runtime/src
&& /usr/bin/cmake -E copy omp-tools.h
/repositories/llvm-project/openmp/runtime/exports/common.ompt.optional/include
&& cd /builddirs/llvm-project/build-Clang9-unknown/projects/openmp/runtime/src
&& /usr/bin/cmake -E make_directory
/repositories/llvm-project/openmp/runtime/exports/lin_32e.ompt.optional/lib &&
/usr/bin/cmake -E copy
/builddirs/llvm-project/build-Clang9-unknown/lib/libomp.so
/repositories/llvm-project/openmp/runtime/exports/lin_32e.ompt.optional/lib
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_atomic_end@@VERSION has undefined version VERSION
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_atomic_end at GOMP_1.0 has undefined version GOMP_1.0
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_atomic_start@@VERSION has undefined version VERSION
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_atomic_start at GOMP_1.0 has undefined version GOMP_1.0
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_barrier@@VERSION has undefined version VERSION
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_barrier at GOMP_1.0 has undefined version GOMP_1.0
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_barrier_cancel@@VERSION has undefined version VERSION
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_barrier_cancel at GOMP_4.0 has undefined version GOMP_4.0
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_cancel@@VERSION has undefined version VERSION
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_cancel at GOMP_4.0 has undefined version GOMP_4.0
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_cancellation_point@@VERSION has undefined version VERSION
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_cancellation_point at GOMP_4.0 has undefined version GOMP_4.0
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_critical_end@@VERSION has undefined version VERSION
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_critical_end at GOMP_1.0 has undefined version GOMP_1.0
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_critical_name_end@@VERSION has undefined version VERSION
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_critical_name_end at GOMP_1.0 has undefined version GOMP_1.0
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_critical_name_start@@VERSION has undefined version VERSION
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_critical_name_start at GOMP_1.0 has undefined version GOMP_1.0
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_critical_start@@VERSION has undefined version VERSION
ld: error: projects/openmp/runtime/src/CMakeFiles/omp.dir/kmp_gsupport.cpp.o:
symbol GOMP_critical_start at GOMP_1.0 has undefined version GOMP_1.0
ld: error: too many errors emitted, stopping now (use -error-limit=0 to see all
errors)
clang: error: linker command failed with exit code 1 (use -v to see invocation)
ninja: build stopped: subcommand failed.


I did not bisect it yet.

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