master
Configure: set cache line size for more architectures.
Enabled IPV6_RECVPKTINFO / IPV6_PKTINFO on macOS.
Simplified sendfile(SF_NODISKIO) usage.
Configure: fixed Linux crypt_r() test to add libcrypt.
Configure: fix build with -Werror=unused-but-set-variable.
Configure: allow cross-compiling to Windows using Clang.