cmake: Clean up policy code

Now that the min is 3.13 these policies don't need to be set
manually anymore.

CMP0054 - 3.1
CMP0063 - 3.3
CMP0069 - 3.9
CMP0077 - 3.13

Author: juan-lunarg

CMakeLists.txt

@@ -3,14 +3,6 @@
 
 cmake_minimum_required(VERSION 3.13)
 
-if (POLICY CMP0069)
-  cmake_policy(SET CMP0069 NEW)
-endif (POLICY CMP0069)
-
-if (POLICY CMP0077)
-  cmake_policy(SET CMP0077 NEW)
-endif (POLICY CMP0077)
-
 project(googletest-distribution)
 set(GOOGLETEST_VERSION 1.13.0)
 

googletest/CMakeLists.txt

@@ -49,10 +49,6 @@ endif()
 cmake_minimum_required(VERSION 3.13)
 project(gtest VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX C)
 
-if (POLICY CMP0063) # Visibility
-  cmake_policy(SET CMP0063 NEW)
-endif (POLICY CMP0063)
-
 if (COMMAND set_up_hermetic_build)
   set_up_hermetic_build()
 endif()

googletest/cmake/internal_utils.cmake

@@ -12,14 +12,6 @@
 #   Test and Google Mock's option() definitions, and thus must be
 #   called *after* the options have been defined.
 
-if (POLICY CMP0054)
-  cmake_policy(SET CMP0054 NEW)
-endif (POLICY CMP0054)
-
-if (POLICY CMP0069)
-  cmake_policy(SET CMP0069 NEW)
-endif (POLICY CMP0069)
-
 # Tweaks CMake's default compiler/linker settings to suit Google Test's needs.
 #
 # This must be a macro(), as inside a function string() can only
@@ -264,12 +256,6 @@ function(cxx_executable name dir libs)
     ${name} "${cxx_default}" "${libs}" "${dir}/${name}.cc" ${ARGN})
 endfunction()
 
-# CMP0094 policy enables finding a Python executable in the LOCATION order, as
-# specified by the PATH environment variable.
-if (POLICY CMP0094)
-  cmake_policy(SET CMP0094 NEW)
-endif()
-
 # Sets PYTHONINTERP_FOUND and PYTHON_EXECUTABLE.
 if ("${CMAKE_VERSION}" VERSION_LESS "3.12.0")
   find_package(PythonInterp)