x.509/Makefile-{link,server}: Allow users to override FQDNS
authorW. Trevor King <wking@tremily.us>
Fri, 28 Feb 2014 02:08:09 +0000 (18:08 -0800)
committerW. Trevor King <wking@tremily.us>
Fri, 28 Feb 2014 02:08:09 +0000 (18:08 -0800)
commit610bd202af6c82dc51391943fdb9c2634e6a56dc
tree82c785f8566d4e98f15bb24625b0b11b66277b49
parentf38c93d889e10e492ff74eb59872266ab9b3e362
x.509/Makefile-{link,server}: Allow users to override FQDNS

By using ?= to assign that variable only if it's not already set [1].
For Makefile-link, also append the 'nginx' entry using += [2], to
ensure it is always present.

[1]: https://www.gnu.org/software/make/manual/html_node/Setting.html
[2]: https://www.gnu.org/software/make/manual/html_node/Appending.html
x.509/Makefile-link
x.509/Makefile-server