CI Linux: build up-to-date glfw

Author: MartinPulec

.github/scripts/Linux/install_glfw.sh

@@ -0,0 +1,38 @@
+#!/bin/sh -eu
+
+dir=$(dirname "$0")
+# shellcheck source=/dev/null
+. "$dir/common.sh" # for get_build_deps_excl
+
+# build dir that will be restored from cache
+cache_dir=/var/tmp/glfw
+
+# install the deps - runs always (regardless the cache)
+deps() {
+        sudo apt build-dep libglfw3
+}
+
+# build SDL, SDL_ttf and fluidsynth and also install them
+build_install() {
+        mkdir -p $cache_dir
+        cd $cache_dir
+
+        git clone --depth 1 https://github.com/glfw/glfw.git
+        cmake -S glfw -B glfw/build \
+                -DGLFW_BUILD_WAYLAND=ON -DGLFW_BUILD_X11=ON
+        cmake --build glfw/build -j "$(nproc)"
+        sudo cmake --install glfw/build
+}
+
+# if cache is successfully restored, just install the builds
+install_cached() {
+        cd $cache_dir
+        sudo cmake --install glfw/build
+}
+
+deps
+if [ -d $cache_dir ]; then
+        install_cached
+else
+        build_install
+fi

.github/scripts/Linux/prepare.sh

@@ -25,7 +25,7 @@ sudo apt install appstream `# appstreamcli for mkappimage AppStream validation`
         asciidoc
 sudo apt install fonts-dejavu-core
 sudo apt --no-install-recommends install nvidia-cuda-toolkit
-sudo apt install libglew-dev libglfw3-dev
+sudo apt install libglew-dev
 sudo apt install libglm-dev
 sudo apt install imagemagick libmagickwand-dev
 sudo apt install libsoxr-dev libspeexdsp-dev
@@ -52,4 +52,5 @@ qt6.conf" "/usr/lib/$(uname -m)-linux-gnu/qt-default/qtchooser/default.conf"
 
 "$dir"/install_sdl.sh
 "$dir"/install_ffmpeg.sh
+"$dir"/install_glfw.sh
 

.github/workflows/ccpp.yml

@@ -85,6 +85,11 @@ jobs:
       with:
         path: '/var/tmp/sdl'
         key: cache-sdl-${{ runner.os }}-${{ hashFiles( '.github/scripts/Linux/install_sdl.sh' ) }}
+    - name: Cache GLFW
+      uses: actions/cache@main
+      with:
+        path: '/var/tmp/glfw'
+        key: cache-sdl-${{ runner.os }}-${{ hashFiles( '.github/scripts/Linux/install_glfw.sh' ) }}
     - name: bootstrap
       run: |
            . .github/scripts/environment.sh