Require CMake 3.2

I've verified all the policies up to CMP0056

Author: AnyOldName3

CMakeLists.txt

@@ -13,7 +13,7 @@ SET(OPENSCENEGRAPH_RELEASE_CANDIDATE 0)
 set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE)
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
-CMAKE_MINIMUM_REQUIRED(VERSION 3.0 FATAL_ERROR)
+CMAKE_MINIMUM_REQUIRED(VERSION 3.2 FATAL_ERROR)
 
 if(COMMAND cmake_policy)
     # INTERPROCEDURAL_OPTIMIZATION is enforced when enabled.

PlatformSpecifics/Android/android.toolchain.cmake

@@ -210,7 +210,7 @@
 
 # Modified by Lasse Oorni and Yao Wei Tjong for Urho3D
 
-cmake_minimum_required( VERSION 3.0 )
+cmake_minimum_required( VERSION 3.2 )
 
 # Urho3D: on Windows Cygwin-based NDK tools may fail in the linking phase with too long command line. Turn on response files to avoid this
 if( CMAKE_HOST_WIN32 )
@@ -234,11 +234,7 @@ if( _CMAKE_IN_TRY_COMPILE )
 endif()
 
 # this one is important
-if( CMAKE_VERSION VERSION_GREATER "3.0.99" )
- set( CMAKE_SYSTEM_NAME Android )
-else()
- set( CMAKE_SYSTEM_NAME Linux )
-endif()
+set( CMAKE_SYSTEM_NAME Android )
 
 # this one not so much
 set( CMAKE_SYSTEM_VERSION 1 )

examples/osgCMakeExample/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.2)
 
 SET(PROJECT_NAME osgCMakeExample)
 

examples/osgemscripten/CMakeLists.txt

@@ -1,4 +1,4 @@
-CMAKE_MINIMUM_REQUIRED(VERSION 3.0 FATAL_ERROR)
+CMAKE_MINIMUM_REQUIRED(VERSION 3.2 FATAL_ERROR)
 
 # Path to OpenSceneGraph
 SET(OSG_DIR "${CMAKE_SOURCE_DIR}/../..")