Make it possible to affect the way dists are made
Make it possible to affect the way dists are made

Introducing DISTTARVARS to propagate changed variables down to the
tar-making target.

Reviewed-by: Rich Salz <c04971a99e5a9ee80eaab4b1deb37e845b0bd697@openssl.org>

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl