title: undefined reference to `fcntl64' when trying make mesapy
body: <p>I am going to start my work with mesapy, when I want to start helloworld sample, after running command make in the directory I get error undefined reference to `fcntl64' :</p>
  <pre><code>~/mesapy/sgx/examples/hello_world$ make
  MAKE &lt;=  ../../sgx_ulibc
  LINK =&gt;  app
  MAKE &lt;=  ../../sgx_tlibc_ext
  /usr/local/bin/ld: ../../../pypy/goal/libpypy-c.a(implement_4.o): in function `pypy_g_ccall_fcntl__INT_INT_INT':
  implement_4.c:(.text+0xe649): undefined reference to `fcntl64'
  collect2: error: ld returned 1 exit status
  make: *** [Makefile:234: enclave.so] Error 1
  </code></pre>
  <p>My system specification:
  Distributor ID: Ubuntu
  Description:    Ubuntu 20.04.4 LTS
  Release:    20.04
  Codename:   focal</p>
  <p>does anyone know the solution?</p>