OpenMP missing libm

Linking C shared library lib/libomp.so
FAILED: lib/libomp.so
: && /mnt/nvme/omenos/usr1/bin/clang -fPIC -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 -g -DNDEBUG  -stdlib=libc++ -Wl,-z,defs -Wl,-z,nodelete -fuse-ld=lld -Wl,--color-diagnostics  -Wl,--warn-shared-textrel -Wl,--as-needed -Wl,--version-script=/mnt/nvme/omenos/base/llvm/llvm/openmp/runtime/src/exports_so.txt -Wl,-z,noexecstack -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 /mnt/nvme/omenos/base/llvm/llvm/build2/lib && /usr/bin/cmake -E create_symlink libomp.so libgomp.so && /usr/bin/cmake -E create_symlink libomp.so libiomp5.so && cd /mnt/nvme/omenos/base/llvm/llvm/build2/projects/openmp/runtime/src && /usr/bin/cmake -E make_directory /mnt/nvme/omenos/base/llvm/llvm/openmp/runtime/exports/common.dia.ompt.optional/include && /usr/bin/cmake -E copy omp.h /mnt/nvme/omenos/base/llvm/llvm/openmp/runtime/exports/common.dia.ompt.optional/include && cd /mnt/nvme/omenos/base/llvm/llvm/build2/projects/openmp/runtime/src && /usr/bin/cmake -E copy omp-tools.h /mnt/nvme/omenos/base/llvm/llvm/openmp/runtime/exports/common.dia.ompt.optional/include && cd /mnt/nvme/omenos/base/llvm/llvm/build2/projects/openmp/runtime/src && /usr/bin/cmake -E make_directory /mnt/nvme/omenos/base/llvm/llvm/openmp/runtime/exports/lin_32e.dia.ompt.optional/lib && /usr/bin/cmake -E copy /mnt/nvme/omenos/base/llvm/llvm/build2/lib/libomp.so /mnt/nvme/omenos/base/llvm/llvm/openmp/runtime/exports/lin_32e.dia.ompt.optional/lib
ld.lld: error: undefined symbol: fmaxl
>>> referenced by divxc3.c:23 (/mnt/nvme/omenos/base/llvm/llvm/compiler-rt/lib/builtins/divxc3.c:23)
>>>               divxc3.c.o:(__divxc3) in archive /mnt/nvme/omenos/usr1/lib/clang/10.0.0/lib/linux/libclang_rt.builtins-x86_64.a

ld.lld: error: undefined symbol: logbl
>>> referenced by divxc3.c:23 (/mnt/nvme/omenos/base/llvm/llvm/compiler-rt/lib/builtins/divxc3.c:23)
>>>               divxc3.c.o:(__divxc3) in archive /mnt/nvme/omenos/usr1/lib/clang/10.0.0/lib/linux/libclang_rt.builtins-x86_64.a
clang-10: error: linker command failed with exit code 1 (use -v to see invocation)