Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output:
Change Dir: /home/vanisimov/tiledarray/tiledarray/build.gpu.icx/external/build/Umpire/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/gmake cmTC_53043/fast && gmake[3]: Entering directory '/home/vanisimov/tiledarray/tiledarray/build.gpu.icx/external/build/Umpire/CMakeFiles/CMakeTmp'
/usr/bin/gmake  -f CMakeFiles/cmTC_53043.dir/build.make CMakeFiles/cmTC_53043.dir/build
gmake[4]: Entering directory '/home/vanisimov/tiledarray/tiledarray/build.gpu.icx/external/build/Umpire/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_53043.dir/src.c.o
/soft/restricted/CNDA/sdk/2021.08.15.001/oneapi/compiler/20210819/linux/bin/icx -DCMAKE_HAVE_LIBC_PTHREAD  -fPIC  -fPIE -o CMakeFiles/cmTC_53043.dir/src.c.o -c /home/vanisimov/tiledarray/tiledarray/build.gpu.icx/external/build/Umpire/CMakeFiles/CMakeTmp/src.c
Linking C executable cmTC_53043
/soft/buildtools/cmake/3.19.3/bin/cmake -E cmake_link_script CMakeFiles/cmTC_53043.dir/link.txt --verbose=1
/soft/restricted/CNDA/sdk/2021.08.15.001/oneapi/compiler/20210819/linux/bin/icx -fPIC  CMakeFiles/cmTC_53043.dir/src.c.o -o cmTC_53043 
/usr/bin/ld: CMakeFiles/cmTC_53043.dir/src.c.o: in function `main':
src.c:(.text+0x27): undefined reference to `pthread_create'
/usr/bin/ld: src.c:(.text+0x31): undefined reference to `pthread_detach'
/usr/bin/ld: src.c:(.text+0x3b): undefined reference to `pthread_cancel'
/usr/bin/ld: src.c:(.text+0x47): undefined reference to `pthread_join'
clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
gmake[4]: *** [CMakeFiles/cmTC_53043.dir/build.make:106: cmTC_53043] Error 1
gmake[4]: Leaving directory '/home/vanisimov/tiledarray/tiledarray/build.gpu.icx/external/build/Umpire/CMakeFiles/CMakeTmp'
gmake[3]: *** [Makefile:140: cmTC_53043/fast] Error 2
gmake[3]: Leaving directory '/home/vanisimov/tiledarray/tiledarray/build.gpu.icx/external/build/Umpire/CMakeFiles/CMakeTmp'


Source file was:
#include <pthread.h>

static void* test_func(void* data)
{
  return data;
}

int main(void)
{
  pthread_t thread;
  pthread_create(&thread, NULL, test_func, NULL);
  pthread_detach(thread);
  pthread_cancel(thread);
  pthread_join(thread, NULL);
  pthread_atfork(NULL, NULL, NULL);
  pthread_exit(NULL);

  return 0;
}

Determining if the function pthread_create exists in the pthreads failed with the following output:
Change Dir: /home/vanisimov/tiledarray/tiledarray/build.gpu.icx/external/build/Umpire/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/gmake cmTC_50ca4/fast && gmake[3]: Entering directory '/home/vanisimov/tiledarray/tiledarray/build.gpu.icx/external/build/Umpire/CMakeFiles/CMakeTmp'
/usr/bin/gmake  -f CMakeFiles/cmTC_50ca4.dir/build.make CMakeFiles/cmTC_50ca4.dir/build
gmake[4]: Entering directory '/home/vanisimov/tiledarray/tiledarray/build.gpu.icx/external/build/Umpire/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_50ca4.dir/CheckFunctionExists.c.o
/soft/restricted/CNDA/sdk/2021.08.15.001/oneapi/compiler/20210819/linux/bin/icx   -fPIC -DCHECK_FUNCTION_EXISTS=pthread_create -fPIE -o CMakeFiles/cmTC_50ca4.dir/CheckFunctionExists.c.o -c /soft/buildtools/cmake/3.19.3/share/cmake-3.19/Modules/CheckFunctionExists.c
Linking C executable cmTC_50ca4
/soft/buildtools/cmake/3.19.3/bin/cmake -E cmake_link_script CMakeFiles/cmTC_50ca4.dir/link.txt --verbose=1
/soft/restricted/CNDA/sdk/2021.08.15.001/oneapi/compiler/20210819/linux/bin/icx -fPIC -DCHECK_FUNCTION_EXISTS=pthread_create CMakeFiles/cmTC_50ca4.dir/CheckFunctionExists.c.o -o cmTC_50ca4  -lpthreads 
/usr/bin/ld: cannot find -lpthreads
clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
gmake[4]: *** [CMakeFiles/cmTC_50ca4.dir/build.make:106: cmTC_50ca4] Error 1
gmake[4]: Leaving directory '/home/vanisimov/tiledarray/tiledarray/build.gpu.icx/external/build/Umpire/CMakeFiles/CMakeTmp'
gmake[3]: *** [Makefile:140: cmTC_50ca4/fast] Error 2
gmake[3]: Leaving directory '/home/vanisimov/tiledarray/tiledarray/build.gpu.icx/external/build/Umpire/CMakeFiles/CMakeTmp'