From f0d2d0e748bfc65c8d8ce134c0bd055b19415c7a Mon Sep 17 00:00:00 2001
From: Maarten Bent <MaartenBent@users.noreply.github.com>
Date: Sun, 4 Feb 2024 18:01:36 +0100
Subject: [PATCH] CMake: Prevent possible policy warnings

---
 build/cmake/policies.cmake           |  5 +++++
 build/cmake/wxWidgetsConfig.cmake.in | 16 ++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/build/cmake/policies.cmake b/build/cmake/policies.cmake
index 9ea1d995c0..997a0b3350 100644
--- a/build/cmake/policies.cmake
+++ b/build/cmake/policies.cmake
@@ -59,6 +59,11 @@ if(POLICY CMP0054)
     cmake_policy(SET CMP0054 NEW)
 endif()
 
+if(POLICY CMP0057)
+    # Support new if() IN_LIST operator.
+    cmake_policy(SET CMP0057 NEW)
+endif()
+
 if(POLICY CMP0060)
     # Link libraries by full path even in implicit directories.
     cmake_policy(SET CMP0060 NEW)
diff --git a/build/cmake/wxWidgetsConfig.cmake.in b/build/cmake/wxWidgetsConfig.cmake.in
index 85e3e004bd..a174bfd9b5 100644
--- a/build/cmake/wxWidgetsConfig.cmake.in
+++ b/build/cmake/wxWidgetsConfig.cmake.in
@@ -1,5 +1,19 @@
 @PACKAGE_INIT@
 
+cmake_policy(PUSH)
+# Set policies to prevent warnings
+if(POLICY CMP0057)
+    # Support new if() IN_LIST operator.
+    cmake_policy(SET CMP0057 NEW)
+endif()
+if(POLICY CMP0072)
+    # FindOpenGL prefers GLVND by default when available.
+    cmake_policy(GET CMP0072 _OpenGL_GL_POLICY)
+    if (_OpenGL_GL_POLICY STREQUAL "")
+        cmake_policy(SET CMP0072 NEW)
+    endif()
+endif()
+
 # determine target from compiler, platform and library type
 if(WIN32 AND NOT CYGWIN AND NOT MSYS)
     if(${CMAKE_CXX_COMPILER_ID} STREQUAL MSVC)
@@ -137,3 +151,5 @@ if(NOT @PROJECT_NAME@_FIND_COMPONENTS)
 endif()
 
 check_required_components("@PROJECT_NAME@")
+
+cmake_policy(POP)