llvm build errors

1 cxxabi_shared error

Creating symlinks
/Applications/CMake.app/Contents/bin/cmake -E cmake_symlink_library /Users/uli/Programming/llvm/build/Debug/lib/Debug/libc++abi.1.0.dylib /Users/uli/Programming/llvm/build/Debug/lib/Debug/libc++abi.1.dylib /Users/uli/Programming/llvm/build/Debug/lib/Debug/libc++abi.dylib
CMake Error: cmake_symlink_library: System Error: No such file or directory
CMake Error: cmake_symlink_library: System Error: No such file or directory

2 clang_rt.stats_osx_dynamic error

ld: warning: directory not found for option '-L/Users/uli/Programming/llvm/build/Debug/lib/clang/6.0.0/lib/darwin'
...
Undefined symbols for architecture i386:
  "__sanitizer::Symbolizer::FindModuleForAddress(unsigned long)", referenced from:
      (anonymous namespace)::WriteModuleReport(__sanitizer::StatModule**) in stats.o
  "__sanitizer::Symbolizer::GetOrInit()", referenced from:
      (anonymous namespace)::WriteModuleReport(__sanitizer::StatModule**) in stats.o
  "__sanitizer::UnmapOrDie(void*, unsigned long)", referenced from:
      (anonymous namespace)::WriteModuleReport(__sanitizer::StatModule**) in stats.o
      __sanitizer::InternalMmapVectorNoCtor<__sanitizer::StatModule**>::Resize(unsigned long) in stats.o
  "__sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long)", referenced from:
      ___sanitizer_stats_register in stats.o
      ___sanitizer_stats_unregister in stats.o
      (anonymous namespace)::WriteModuleReport(__sanitizer::StatModule**) in stats.o
      __sanitizer::InternalMmapVectorNoCtor<__sanitizer::StatModule**>::Resize(unsigned long) in stats.o
  "__sanitizer::WriteToFile(int, void const*, unsigned long, unsigned long*, int*)", referenced from:
      (anonymous namespace)::WriteModuleReport(__sanitizer::StatModule**) in stats.o
  "__sanitizer::internal_memcpy(void*, void const*, unsigned long)", referenced from:
      ___sanitizer_stats_register in stats.o
      __sanitizer::InternalMmapVectorNoCtor<__sanitizer::StatModule**>::Resize(unsigned long) in stats.o
  "__sanitizer::internal_memset(void*, int, unsigned long)", referenced from:
      __GLOBAL__sub_I_stats.cc in stats.o
  "__sanitizer::internal_strlen(char const*)", referenced from:
      (anonymous namespace)::WriteModuleReport(__sanitizer::StatModule**) in stats.o
  "__sanitizer::internal_sigaction(int, void const*, void*)", referenced from:
      __GLOBAL__sub_I_stats.cc in stats.o
  "__sanitizer::internal_sched_yield()", referenced from:
      __sanitizer::StaticSpinMutex::LockSlow() in stats.o
  "__sanitizer::SubstituteForFlagValue(char const*, char*, unsigned long)", referenced from:
      (anonymous namespace)::WriteModuleReport(__sanitizer::StatModule**) in stats.o
  "__sanitizer::GetEnv(char const*)", referenced from:
      (anonymous namespace)::WriteModuleReport(__sanitizer::StatModule**) in stats.o
  "__sanitizer::Report(char const*, ...)", referenced from:
      (anonymous namespace)::WriteModuleReport(__sanitizer::StatModule**) in stats.o
  "__sanitizer::OpenFile(char const*, __sanitizer::FileAccessMode, int*)", referenced from:
      (anonymous namespace)::WriteModuleReport(__sanitizer::StatModule**) in stats.o
  "__sanitizer::CloseFile(int)", referenced from:
      (anonymous namespace)::WriteReportOnExitOrSignal::~WriteReportOnExitOrSignal() in stats.o
      (anonymous namespace)::USR2Handler(int) in stats.o
  "__sanitizer::MmapOrDie(unsigned long, char const*, bool)", referenced from:
      (anonymous namespace)::WriteModuleReport(__sanitizer::StatModule**) in stats.o
      __sanitizer::InternalMmapVectorNoCtor<__sanitizer::StatModule**>::Resize(unsigned long) in stats.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)