Disable LIBCXX_INCLUDE_BENCHMARKS for Fuchsia

Author: Caslyn

clang/cmake/caches/Fuchsia-stage2.cmake

@@ -31,6 +31,7 @@ set(LLVM_STATIC_LINK_CXX_STDLIB ON CACHE BOOL "")
 set(LLVM_USE_RELATIVE_PATHS_IN_FILES ON CACHE BOOL "")
 set(LLDB_ENABLE_CURSES OFF CACHE BOOL "")
 set(LLDB_ENABLE_LIBEDIT OFF CACHE BOOL "")
+set(LIBCXX_INCLUDE_BENCHMARKS OFF CACHE BOOL "")
 
 if(WIN32)
   set(FUCHSIA_DISABLE_DRIVER_BUILD ON)

clang/cmake/caches/Fuchsia.cmake

@@ -21,6 +21,7 @@ set(LIBC_HDRGEN_ONLY ON CACHE BOOL "")
 set(LLVM_USE_RELATIVE_PATHS_IN_FILES ON CACHE BOOL "")
 set(LLDB_ENABLE_CURSES OFF CACHE BOOL "")
 set(LLDB_ENABLE_LIBEDIT OFF CACHE BOOL "")
+set(LIBCXX_INCLUDE_BENCHMARKS OFF CACHE BOOL "")
 
 # Passthrough stage1 flags to stage1.
 set(_FUCHSIA_BOOTSTRAP_PASSTHROUGH