ERROR: mmintrin.h No such file or directory

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ERROR: mmintrin.h No such file or directory

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I want to use Eigen to execute matrix operations in sgx on ubuntu. I added the header "#include <Eigen/Dense>" in a simple example. But when compiling the program I got a fatal error: mmintrin.h: No such file or directory, where mmintrin.h is included in Eigen, and it seems to be a SSE2 in linux os. My question is: how to solve this problem or is it impossible to use this kind of linear algebra library in sgx?

Thanks in advance!

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