[Cmake-commits] CMake branch, next, updated. v3.0.2-2093-g4edcc53

[Stephen Kelly]

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- Log -----------------------------------------------------------------
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=4edcc532b3a326a6a673d3631440ed8079bf662b
commit 4edcc532b3a326a6a673d3631440ed8079bf662b
Merge: a50fceb cd4fa89
Author:     Stephen Kelly <steveire at gmail.com>
AuthorDate: Mon Oct 20 16:26:09 2014 -0400
Commit:     CMake Topic Stage <kwrobot at kitware.com>
CommitDate: Mon Oct 20 16:26:09 2014 -0400

    Merge topic 'doc-policy-usage' into next
    
    cd4fa896 Help: Document that policies are not feature toggles.


http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=cd4fa896b1d11c26edf07bae19d262c971901827
commit cd4fa896b1d11c26edf07bae19d262c971901827
Author:     Stephen Kelly <steveire at gmail.com>
AuthorDate: Mon Oct 20 22:20:42 2014 +0200
Commit:     Stephen Kelly <steveire at gmail.com>
CommitDate: Mon Oct 20 22:21:57 2014 +0200

    Help: Document that policies are not feature toggles.

diff --git a/Help/manual/cmake-policies.7.rst b/Help/manual/cmake-policies.7.rst
index f1717a0..8edf708 100644
--- a/Help/manual/cmake-policies.7.rst
+++ b/Help/manual/cmake-policies.7.rst
@@ -20,6 +20,12 @@ for a policy, also avoiding the warning.  Each policy can also be set to
 either ``NEW`` or ``OLD`` behavior explicitly on the command line with the
 :variable:`CMAKE_POLICY_DEFAULT_CMP<NNNN>` variable.
 
+Note that policies are not reliable feature toggles.  A policy should
+almost never be set to ``OLD``, except to silence warnings in an otherwise
+frozen or stable codebase, or temporarily as part of a larger migration
+path. The ``OLD`` behavior of each policy is undesirable and will be
+replaced with an error condition in a future release.
+
 The :command:`cmake_minimum_required` command does more than report an
 error if a too-old version of CMake is used to build a project.  It
 also sets all policies introduced in that CMake version or earlier to

-----------------------------------------------------------------------

Summary of changes:
 Help/manual/cmake-policies.7.rst |    6 ++++++
 1 file changed, 6 insertions(+)


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