From a9f1655c9ccba63867e93ac359119fa9557a5dd3 Mon Sep 17 00:00:00 2001
From: Maarten Bent <MaartenBent@users.noreply.github.com>
Date: Sun, 24 May 2020 22:02:48 +0200
Subject: [PATCH] CMake: set policy for VERSION variables

Also update the description of other policies to the description on the CMake
website.
---
 build/cmake/policies.cmake | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/build/cmake/policies.cmake b/build/cmake/policies.cmake
index 1a7415d0e1..8935c59ea2 100644
--- a/build/cmake/policies.cmake
+++ b/build/cmake/policies.cmake
@@ -10,7 +10,7 @@
 # Please keep the policies in the order of their numbers.
 
 if(POLICY CMP0025)
-    # Compiler id for Apple Clang is now AppleClang
+    # Compiler id for Apple Clang is now AppleClang.
     cmake_policy(SET CMP0025 NEW)
 endif()
 
@@ -20,7 +20,7 @@ if(POLICY CMP0028)
 endif()
 
 if(POLICY CMP0038)
-    # targets may not link directly to themselves
+    # Targets may not link directly to themselves.
     cmake_policy(SET CMP0038 NEW)
 endif()
 
@@ -30,27 +30,32 @@ if(POLICY CMP0042)
 endif()
 
 if(POLICY CMP0045)
-    # error on non-existent target in get_target_property
+    # Error on non-existent target in get_target_property.
     cmake_policy(SET CMP0045 NEW)
 endif()
 
 if(POLICY CMP0046)
-    # error on non-existent dependency in add_dependencies
+    # Error on non-existent dependency in add_dependencies.
     cmake_policy(SET CMP0046 NEW)
 endif()
 
+if(POLICY CMP0048)
+    # The project() command manages VERSION variables.
+    cmake_policy(SET CMP0048 NEW)
+endif()
+
 if(POLICY CMP0049)
-    # do not expand variables in target source entries
+    # Do not expand variables in target source entries.
     cmake_policy(SET CMP0049 NEW)
 endif()
 
 if(POLICY CMP0053)
-    # simplify variable reference and escape sequence evaluation
+    # Simplify variable reference and escape sequence evaluation.
     cmake_policy(SET CMP0053 NEW)
 endif()
 
 if(POLICY CMP0054)
-    # only interpret if() arguments as variables or keywords when unquoted
+    # Only interpret if() arguments as variables or keywords when unquoted.
     cmake_policy(SET CMP0054 NEW)
 endif()
 
@@ -65,6 +70,6 @@ if(POLICY CMP0072)
 endif()
 
 if(POLICY CMP0092)
-    # MSVC warning flags are not in CMAKE_<LANG>_FLAGS by default
+    # MSVC warning flags are not in CMAKE_<LANG>_FLAGS by default.
     cmake_policy(SET CMP0092 NEW)
 endif()