Update docs to recommend CMake >= v3.2.

[oota-llvm.git] / docs / CMake.rst

diff --git a/docs/CMake.rst b/docs/CMake.rst
index 0810bed90d4f5e532fe67bb0633e34ca6f299596..9ec6b0a2416ee0f1b6672a903032376eb70af925 100644 (file)
--- a/docs/CMake.rst
+++ b/docs/CMake.rst
@@ -26,7 +26,10 @@ Quick start
 We use here the command-line, non-interactive CMake interface.
 
 #. `Download <http://www.cmake.org/cmake/resources/software.html>`_ and install
-   CMake. Version 2.8.8 is the minimum required.
+   CMake. Version 2.8.8 is the minimum required, but if you're using the Ninja
+   backend, CMake v3.2 or newer is required to `get interactive output
+   <http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20141117/244797.html>`_
+   when running :doc:`Lit <CommandGuide/lit>`.
 
 #. Open a shell. Your development tools must be reachable from this shell
    through the PATH environment variable.
@@ -436,6 +439,12 @@ LLVM-specific variables
   If enabled then sphinx documentation warnings will be treated as
   errors. Defaults to ON.
 
+**LLVM_CREATE_XCODE_TOOLCHAIN**:BOOL
+  OS X Only: If enabled CMake will generate a target named
+  'install-xcode-toolchain'. This target will create a directory at
+  $CMAKE_INSTALL_PREFIX/Toolchains containing an xctoolchain directory which can
+  be used to override the default system tools. 
+
 Executing the test suite
 ========================