[libc++] Remove old CMake workaround
authorLouis Dionne <ldionne@apple.com>
Mon, 4 Mar 2019 20:52:14 +0000 (20:52 +0000)
committerLouis Dionne <ldionne@apple.com>
Mon, 4 Mar 2019 20:52:14 +0000 (20:52 +0000)
commitfc778fa2c599cd09f041037987171fdc8c202be8
tree5fd86e73030c282b242ac7f8685dc242bd233bc3
parent8b73ab29c3643e33ff482394841cf061a066f6ea
[libc++] Remove old CMake workaround

We haven't had any complaints so far, and I don't think anybody builds
libc++ from source for that old platform anymore.

llvm-svn: 355336
libcxx/lib/CMakeLists.txt