Hi, For generate-certificates, X509V3_EXT_conf is used but it's an (very) old API call: X509V3_EXT_nconf must be preferred. Openssl compatibility is ok because it's inside #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME, introduce 5 years after X509V3_EXT_nconf. (BoringSSL only have X509V3_EXT_nconf)
Christopher, if you have time to check this little patch :) ++ Manu
0001-MINOR-ssl-cleanup-old-openssl-API-call.patch
Description: Binary data
0002-MINOR-ssl-generate-certificates-for-BoringSSL.patch
Description: Binary data

