Cmake deprecation warnings

[lxkurko]

Platform: Fedora Linux 27, 64-bit
Cmake version: 3.10.1
GCC version: 7.2.1 20170915 (Red Hat 7.2.1-2)

It seems that some features of Cmake are going to be deprecated. The following was printed when cmake was run in the Openlierox build directory:

$ cmake .
-- The C compiler identification is GNU 7.2.1
-- The CXX compiler identification is GNU 7.2.1
-- Check for working C compiler: /bin/cc
-- Check for working C compiler: /bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /bin/c++
-- Check for working CXX compiler: /bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
CMake Deprecation Warning at CMakeOlxCommon.cmake:8 (cmake_policy):
The OLD behavior for policy CMP0005 will be removed from a future version
of CMake.

The cmake-policies(7) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.
Call Stack (most recent call first):
CMakeLists.txt:7 (include)

CMake Deprecation Warning at CMakeOlxCommon.cmake:9 (cmake_policy):
The OLD behavior for policy CMP0003 will be removed from a future version
of CMake.

The cmake-policies(7) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.
Call Stack (most recent call first):
CMakeLists.txt:7 (include)

CMake Deprecation Warning at CMakeOlxCommon.cmake:14 (cmake_policy):
The OLD behavior for policy CMP0011 will be removed from a future version
of CMake.

The cmake-policies(7) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.
Call Stack (most recent call first):
CMakeLists.txt:7 (include)