[apache/incubator-teaclave-sgx-sdk] Problem in signing an enclave library linked with libgmp (#348)

[Cem Eliguzel <no...@github.com.INVALID>]

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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Re: [apache/incubator-teaclave-sgx-sdk] Problem in signing an enclave library linked with libgmp (#348)

[baoqian426 <no...@github.com.INVALID>]

how to resolve this problem

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