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                         "${CMAKE_CURRENT_BINARY_DIR}"
  20                         SOURCES "${CMAKE_CURRENT_LIST_DIR}/tryPThread.c"
  21                         LINK_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
  22
  23                 # Valid?
  24                 if(SQUIRRELJME_PTHREADS_VALID)
  25                         message("PThread: Valid!")
  26
  27                         add_compile_definitions(
  28                                 SJME_CONFIG_HAS_THREADS=1)
  29                         add_compile_definitions(
  30                                 SJME_CONFIG_HAS_THREADS_PTHREAD=1)
  31
  32                         # Specific OSes?
  33                         if (LINUX)
  34                                 add_compile_definitions(
  35                                         SJME_CONFIG_HAS_THREADS_PTHREAD_LINUX=1)
  36                         elseif(APPLE OR BSD)
  37                                 if(APPLE)
  38                                         add_compile_definitions(
  39                                                 SJME_CONFIG_HAS_THREADS_PTHREAD_MACOS=1)
  40                                 endif()
  41
  42                                 add_compile_definitions(
  43                                         SJME_CONFIG_HAS_THREADS_PTHREAD_BSD=1)
  44                         endif()
  45                 else()
  46                         message("PThread: Not available or misconfigured.")
  47                 endif()
  48         endif()
  49 endif()