[GitHub] [incubator-teaclave-sgx-sdk] rimbi opened a new issue #348: Problem in signing an enclave library linked with libgmp

[GitBox <gi...@apache.org>]

rimbi opened a new issue #348:
URL: https://github.com/apache/incubator-teaclave-sgx-sdk/issues/348


   Hi,
   
   We're using a Rust library which depends on `rust-gmp` which also depends on `libgmp`. We are able to produce `enclave.so` by linking the `libgmp`. But in the last phase, during the signing process, we get the following error:
   
   ```bash
   LINK =>  enclave/enclave.so
   mkdir -p bin
   <!-- Please refer to User's Guide for the explanation of each field -->
   <EnclaveConfiguration>
       <ProdID>0</ProdID>
       <ISVSVN>0</ISVSVN>
       <StackMaxSize>0x40000</StackMaxSize>
       <HeapMaxSize>0x100000</HeapMaxSize>
       <TCSNum>1</TCSNum>
       <TCSPolicy>1</TCSPolicy>
       <DisableDebug>0</DisableDebug>
       <MiscSelect>0</MiscSelect>
       <MiscMask>0xFFFFFFFF</MiscMask>
   </EnclaveConfiguration>
   [check_symbol_table elfparser.cpp:253] symbol '__gmpz_cmp' is undefined
   Symbol table incorrect
   The input enclave file is not correct.
   Error happened while signing the enclave.
   Makefile:134: recipe for target 'bin/enclave.signed.so' failed
   make: *** [bin/enclave.signed.so] Error 255
   ```
   
   Is there a solution to this problem?
   @dingelish 


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