From 05797320f4d02e140fa9b0537ec2bcf12763977b Mon Sep 17 00:00:00 2001
From: manongjohn <19245851+manongjohn@users.noreply.github.com>
Date: Mon, 19 Dec 2022 22:45:06 -0500
Subject: [PATCH] Revert Linux builds to Ubuntu 18.04

---
 .github/workflows/linux_build.yml  | 2 +-
 ci-scripts/linux/tahoma-install.sh | 2 +-
 toonz/sources/CMakeLists.txt       | 7 +++++--
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/linux_build.yml b/.github/workflows/linux_build.yml
index 32838578..9fd3f99c 100644
--- a/.github/workflows/linux_build.yml
+++ b/.github/workflows/linux_build.yml
@@ -4,7 +4,7 @@ on: [push, pull_request]
 
 jobs:
   Linux:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-18.04
     strategy:
       matrix:
         compiler: [ gcc, clang ]
diff --git a/ci-scripts/linux/tahoma-install.sh b/ci-scripts/linux/tahoma-install.sh
index e57c2556..395243ad 100755
--- a/ci-scripts/linux/tahoma-install.sh
+++ b/ci-scripts/linux/tahoma-install.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-sudo add-apt-repository --yes ppa:beineri/opt-qt-5.15.2-focal
+sudo add-apt-repository --yes ppa:beineri/opt-qt-5.15.2-bionic
 sudo apt-get update
 sudo apt-get install -y cmake liblzo2-dev liblz4-dev libfreetype6-dev libpng-dev libegl1-mesa-dev libgles2-mesa-dev libglew-dev freeglut3-dev qt515script libsuperlu-dev qt515svg qt515tools qt515multimedia wget libboost-all-dev liblzma-dev libjson-c-dev libjpeg-turbo8-dev libturbojpeg0-dev libglib2.0-dev qt515serialport
 # Removed: libopenjpeg-dev 
diff --git a/toonz/sources/CMakeLists.txt b/toonz/sources/CMakeLists.txt
index 96f09f11..c9adbf70 100644
--- a/toonz/sources/CMakeLists.txt
+++ b/toonz/sources/CMakeLists.txt
@@ -1,5 +1,8 @@
-cmake_policy(SET CMP0141 NEW)
-set(CMAKE_POLICY_DEFAULT_CMP0141 NEW)
+if(WIN32 AND ${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.25.0") 
+    message("Enabling CMP0141")
+    cmake_policy(SET CMP0141 NEW)
+    set(CMAKE_POLICY_DEFAULT_CMP0141 NEW)
+endif()
 
 cmake_minimum_required(VERSION 2.8.11)