| Check compiletime library version | |
| check_compiletime_version:"2.1.1" | |
| Check runtime library version | |
| check_runtime_version:"2.1.1" | |
| Check for MBEDTLS_VERSION_C | |
| check_feature:"MBEDTLS_VERSION_C":0 | |
| Check for MBEDTLS_AES_C when already present | |
| depends_on:MBEDTLS_AES_C | |
| check_feature:"MBEDTLS_AES_C":0 | |
| Check for unknown define | |
| check_feature:"MBEDTLS_UNKNOWN":-1 |