[cmake] Handle Dragonfly BSD like FreeBSD
authorReid Kleckner <rnk@google.com>
Thu, 6 Aug 2015 17:17:44 +0000 (17:17 +0000)
committerReid Kleckner <rnk@google.com>
Thu, 6 Aug 2015 17:17:44 +0000 (17:17 +0000)
commit031f5a841e9559f1712176680abe93146bbe6240
treed0a1c3b64bb1ba6d692a596e6687ff07c74d20b7
parent23195182d7cc4306dcec78fbca3258bd49959971
[cmake] Handle Dragonfly BSD like FreeBSD

Fixes build break reported in PR24358.

Patch by John Marino.

llvm-svn: 244232
llvm/CMakeLists.txt