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

This enables installing the libcxx headers.

llvm-svn: 268322

diff --git a/clang/cmake/caches/Apple-stage2.cmake b/clang/cmake/caches/Apple-stage2.cmake
index 00ab970..3679f5b 100644 (file)
--- a/clang/cmake/caches/Apple-stage2.cmake
+++ b/clang/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 "")