[GitHub] [incubator-teaclave-sgx-sdk] qinkunbao commented on issue #401: v2.0.0-preview: crate 'cpufeatures' failed detect 'target_env = "sgx"'

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

qinkunbao commented on issue #401:
URL: https://github.com/apache/incubator-teaclave-sgx-sdk/issues/401#issuecomment-1196095477

   > In your example, assigning the value of `env` to `sgx` dose work, but in some crates that depend on `libc`, it may cause the detection `target_env` to fail. For the processing of the CPUID instruction, you can refer to the example code [httpreq](https://github.com/apache/incubator-teaclave-sgx-sdk/tree/v2.0.0-preview/samplecode/httpreq).
   
   Retrieving "CPUID" information through ocalls without sanitizing checking could be dangerous, especially for crypto libraries.
   https://github.com/gramineproject/graphene/issues/966


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