CHECK_LIBRARY_EXISTS(dl dlopen "" HAVE_DLOPEN_IN_LIBDL)
CHECK_LIBRARY_EXISTS(execinfo backtrace "" HAVE_BACKTRACE_IN_LIBEXECINFO)
CHECK_LIBRARY_EXISTS(rt clock_gettime "" HAVE_POSIX_GETTIME)
-if(NOT WIN32)
+
+if(NOT WIN32) # We don't want to have winpthread-1.dll in the jarfile
CHECK_LIBRARY_EXISTS(pthread pthread_create "" HAVE_PTHREAD)
CHECK_LIBRARY_EXISTS(pthread sem_init "" HAVE_SEM_INIT_LIB)
CHECK_LIBRARY_EXISTS(pthread sem_open "" HAVE_SEM_OPEN_LIB)