build.sh: Allow readlink for path-canonicalization
authorW. Trevor King <wking@tremily.us>
Fri, 27 Dec 2013 00:53:02 +0000 (16:53 -0800)
committerW. Trevor King <wking@tremily.us>
Thu, 2 Jan 2014 02:03:32 +0000 (18:03 -0800)
commit3e4fa5a742dc5194c39b1ed8200b3580fc3f13c4
tree2fdb6fdcde7288864ac3de928dd0880d5343427f
parent5535808cf6b1fc4a61af0d977462b4ed1f750077
build.sh: Allow readlink for path-canonicalization

Debian doesn't have realpath installed by default [1], so fall back to
the more widely available readlink [2].

[1]: http://packages.debian.org/unstable/utils/realpath
[2]: http://www.gnu.org/software/coreutils/manual/html_node/readlink-invocation.html
build.sh