if(NOT "${ARCH}" STREQUAL "XCore")
  list(APPEND LDFLAGS -lpthread)
else()
  set(PROGRAMS_TO_SKIP tls)
endif()
if("${TARGET_OS}" STREQUAL "Darwin")
  set(PROGRAMS_TO_SKIP tls 2010-12-08-tls)
endif()
llvm_singlesource()