nanocoat/cmake/threads.cmake

   1 # ---------------------------------------------------------------------------
   2 # SquirrelJME
   3 #     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
   4 # ---------------------------------------------------------------------------
   5 # SquirrelJME is under the Mozilla Public License Version 2.0.
   6 # See license.mkd for licensing and copyright information.
   7 # ---------------------------------------------------------------------------
   8 # DESCRIPTION: Threading and atomics support
   9
  10 # For compatibility for Windows, do not use pthreads even if available
  11 find_package(Threads)
  12 if(WIN32)
  13         add_compile_definitions(SJME_CONFIG_HAS_THREADS=1)
  14         add_compile_definitions(SJME_CONFIG_HAS_THREADS_WIN32=1)
  15 elseif(Threads_FOUND)
  16         if(CMAKE_USE_PTHREADS_INIT)
  17                 # Does pthread actually exist?
  18                 try_compile(SQUIRRELJME_PTHREADS_VALID
  19                         SOURCES "${CMAKE_CURRENT_LIST_DIR}/tryPThread.c"
  20                         LINK_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
  21
  22                 # Valid?
  23                 if(SQUIRRELJME_PTHREADS_VALID)
  24                         message("PThread: Valid!")
  25
  26                         add_compile_definitions(
  27                                 SJME_CONFIG_HAS_THREADS=1)
  28                         add_compile_definitions(
  29                                 SJME_CONFIG_HAS_THREADS_PTHREAD=1)
  30
  31                         # Specific OSes?
  32                         if (LINUX)
  33                                 add_compile_definitions(
  34                                         SJME_CONFIG_HAS_THREADS_PTHREAD_LINUX=1)
  35                         elseif (APPLE OR BSD)
  36                                 add_compile_definitions(
  37                                         SJME_CONFIG_HAS_THREADS_PTHREAD_BSD=1)
  38                         endif()
  39                 else()
  40                         message("PThread: Not available or misconfigured.")
  41                 endif()
  42         endif()
  43 endif()