CHECK_FUNCTION_EXISTS(makecontext HAVE_MAKECONTEXT)
CHECK_FUNCTION_EXISTS(mmap HAVE_MMAP)
+#Check if __thread is defined
+exec_program("${CMAKE_C_COMPILER} ${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/test_prog/prog_thread_storage.c"
+ OUTPUT_VARIABLE HAVE_thread_storage_run)
+if(HAVE_thread_storage_run)
+ set(HAVE_THREAD_LOCAL_STORAGE 0)
+else(HAVE_thread_storage_run)
+ set(HAVE_THREAD_LOCAL_STORAGE 1)
+endif(HAVE_thread_storage_run)
+
# Our usage of mmap is Linux-specific (flag MAP_ANONYMOUS), but kFreeBSD uses a GNU libc
IF(NOT "${CMAKE_SYSTEM}" MATCHES "Linux" AND NOT "${CMAKE_SYSTEM}" MATCHES "kFreeBSD")
SET(HAVE_MMAP 0)