civetweb/docs/mbedtls.md

Use MbedTLS instead of OpenSSL

1, build mbedtls

1.1 git clone https://github.com/ARMmbed/mbedtls.git -b mbedtls-2.24.0 1.2 Use Arm Mbed TLS in threaded environments, enable MBEDTLS_THREADING_C and MBEDTLS_THREADING_PTHREAD in config.h, more 1.3 make SHARED=1 && make install

2 build civetweb

2.1 make build COPT="-DNO_SSL -DUSE_MBEDTLS" LOPT="-lmbedcrypto -lmbedtls -lmbedx509"