include(CheckFunctionExists)
check_function_exists(re_comp HAVE_RE_COMP)

if(HAVE_RE_COMP)
  if(TARGET_OS STREQUAL "SunOS")
    list(APPEND LDFLAGS -lsocket -lnsl)
  endif()
  llvm_multisource(archie)
  target_include_directories(archie PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
endif()