# Specifications for the "threads" library:
version = "[distributed with Ocaml]"
description = "Multi-threading"
requires(mt,mt_vm) = "threads.vm"
requires(mt,mt_posix) = "threads.posix"
directory = "^"
type_of_threads = "%%type_of_threads%%"

browse_interfaces = "%%interfaces%%"

warning(-mt) = "Linking problems may arise because of the missing -thread or -vmthread switch"
warning(-mt_vm,-mt_posix) = "Linking problems may arise because of the missing -thread or -vmthread switch"

package "vm" (
  # --- Bytecode-only threads:
  requires = "unix"
  directory = "+vmthreads"
  exists_if = "threads.cma"
  archive(byte,mt,mt_vm) = "threads.cma"
  version = "[internal]"
)

package "posix" (
  # --- POSIX-threads:
  requires = "unix"
  directory = "+threads"
  exists_if = "threads.cma"
  archive(byte,mt,mt_posix) = "threads.cma"
  archive(native,mt,mt_posix) = "threads.cmxa"
  version = "[internal]"
)

package "none" (
  error = "threading is not supported on this platform"
  version = "[internal]"
)