[CMake] Enable LIBCXX HEADERS in Apple-Stage2.cmake

This enables installing the libcxx headers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@268322 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/cmake/caches/Apple-stage2.cmake b/cmake/caches/Apple-stage2.cmake
index 00ab970bad0ab84e36d9d2ea2a32668da23f4584..3679f5b2a2d84bdbb01f058a82a21375d7bade0f 100644 (file)
--- a/cmake/caches/Apple-stage2.cmake
+++ b/cmake/caches/Apple-stage2.cmake
@@ -34,7 +34,7 @@ set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -gline-tables-only -DNDEBUG" CACHE STRIN
 set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "")
 
 set(LIBCXX_INSTALL_LIBRARY OFF CACHE BOOL "")
-set(LIBCXX_INSTALL_HEADERS OFF CACHE BOOL "")
+set(LIBCXX_INSTALL_HEADERS ON CACHE BOOL "")
 set(LIBCXX_INCLUDE_TESTS OFF CACHE BOOL "")
 set(LLVM_LTO_VERSION_OFFSET 3000 CACHE STRING "")