ci: Remove Ubuntu 20.04 check

The new SPIRV-Tools needs 3.22.1 cmake now

.github/workflows/vvl.yml

@@ -1,5 +1,5 @@
-# Copyright (c) 2021-2024 Valve Corporation
-# Copyright (c) 2021-2024 LunarG, Inc.
+# Copyright (c) 2021-2025 Valve Corporation
+# Copyright (c) 2021-2025 LunarG, Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -49,30 +49,6 @@ jobs:
       - name: Execute Source Code Format Checking Script
         run: python3 scripts/check_code_format.py --fetch-main --target-refspec=FETCH_HEAD
 
-  # Ensure we can build on an older Ubuntu distro with an older version of CMake.
-  linux_back_compat:
-    needs: check_vvl
-    runs-on: ubuntu-20.04
-    name: "Ubuntu Backcompat"
-    steps:
-      - uses: actions/checkout@v4
-      - name: Test Minimum CMake Version
-        uses: lukka/get-cmake@latest
-        with:
-          cmakeVersion: 3.17.2
-      - uses: hendrikmuhs/ccache-action@v1.2
-        with:
-          key: linux_back_compat
-      - run: sudo apt-get -qq update && sudo apt-get install -y libwayland-dev xorg-dev
-      - run: cmake -S . -B build/ -D UPDATE_DEPS=ON -D CMAKE_BUILD_TYPE=Debug
-        env:
-          CMAKE_C_COMPILER_LAUNCHER: ccache
-          CMAKE_CXX_COMPILER_LAUNCHER: ccache
-          # Linker warnings as errors
-          LDFLAGS: -Wl,--fatal-warnings
-      - run: cmake --build build
-      - run: cmake --install build --prefix /tmp
-
   linux:
     needs: check_vvl
     runs-on: ubuntu-22.04

BUILD.md

@@ -13,7 +13,7 @@
 
 ## Requirements
 
-1. CMake >= 3.17.2
+1. CMake >= 3.22.1
 2. C++17 compatible toolchain
 3. Git
 4. Python >= 3.10
@@ -173,7 +173,7 @@ See the [CMake documentation](https://cmake.org/cmake/help/latest/generator/Xcod
 
 ## Building For Android
 
-- CMake 3.21+
+- CMake 3.22.1+
 - NDK r25+
 - Ninja 1.10+
 - Android SDK Build-Tools 34.0.0+

CMakeLists.txt

@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ~~~
-cmake_minimum_required(VERSION 3.17.2)
+cmake_minimum_required(VERSION 3.22.1)
 
 project(VVL LANGUAGES CXX)
 
@@ -85,7 +85,7 @@ if (VVL_ENABLE_TRACY)
         message(FATAL_ERROR "Tracy cannot be used with mimalloc")
     endif()
 
-    if (VVL_TRACY_CALLSTACK STREQUAL "OFF") 
+    if (VVL_TRACY_CALLSTACK STREQUAL "OFF")
         set(VVL_TRACY_CALLSTACK 48)
     endif()