```cmake
set (PLIBSYS_THREAD_MODEL none)
set (PLIBSYS_IPC_MODEL none)
set (PLIBSYS_TIME_PROFILER_MODEL posix)
set (PLIBSYS_DIR_MODEL posix)
set (PLIBSYS_LIBRARYLOADER_MODEL none)

set (PLIBSYS_PLATFORM_DEFINES
        -D_REENTRANT
)
```

Enable POSIX threading model back
user
```cmake
set (PLIBSYS_THREAD_MODEL posix)
set (PLIBSYS_IPC_MODEL none)
set (PLIBSYS_TIME_PROFILER_MODEL posix)
set (PLIBSYS_DIR_MODEL posix)
set (PLIBSYS_LIBRARYLOADER_MODEL none)

set (PLIBSYS_PLATFORM_LINK_LIBRARIES pthread)

set (PLIBSYS_PLATFORM_DEFINES
        -D_REENTRANT
)
```
assistant