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