Gentoo's Bugzilla –
Attachment 561420 Details for
Bug 675578dev-util/electron-2.0.10 - In file included from ../../vendor/node/src/node.cc:37:0: ../../vendor/node/src/node_crypto.h:109:54: error: invalid application of ‘sizeof’ to incomplete type ‘SSL_CTX {aka ssl_ctx_st}’