[libc++] Move cache variable definition. NFC
authorShoaib Meenai <smeenai@fb.com>
Wed, 4 Oct 2017 23:51:57 +0000 (23:51 +0000)
committerShoaib Meenai <smeenai@fb.com>
Wed, 4 Oct 2017 23:51:57 +0000 (23:51 +0000)
commit89937534b2f25d3bc216f079540fd96c001201ee
tree8c1418fae2c1ef2beed48e3b5e366f0da1f8457e
parentd4563850438a8c449c03b73d42419f8b142b846c
[libc++] Move cache variable definition. NFC

Move it to where the other ABI cache variables/options are defined.

llvm-svn: 314950
libcxx/CMakeLists.txt