Rely on OpenSSL to pick the right arch. Hint that we prefer 64-bit.

  # Tell Ruby to use this openssl for its extension.

  package_option ruby configure --with-openssl-dir="$OPENSSL_PREFIX_PATH"

  # Normally, we'd use ./config to automatically guess our platform. But

  # that doesn't work for 64-bit Darwin: it picks 32-bit by default and

  # asks you to run ./Configure by hand if you want 64-bit. So, here we are:

  if [ "$(uname -m)" = "x86_64" ]; then

    local platform="darwin64-x86_64-cc"

  else

    local platform="darwin-i386-cc"

  fi

  OPENSSL_CONFIGURE="${OPENSSL_CONFIGURE:-perl ./Configure $platform}"

  # Hint OpenSSL that we prefer a 64-bit build.

  export KERNEL_BITS="64"

  OPENSSL_CONFIGURE="${OPENSSL_CONFIGURE:-./config}"

  # Compile with zlib, no kerberos, and do a static build.

  package_option openssl configure --openssldir="$OPENSSLDIR" zlib no-krb5 no-shared