Made AppImages way more robust, compatible and reproducible using containerization and by using system-provided glibc

AppImage-build-debian-inner.sh

@@ -0,0 +1,37 @@
+#! /bin/bash
+set -e
+
+# Make sure script is called from inside our container
+test -e /tmp/torzu-src || (echo "Script MUST NOT be called directly!" ; exit 1)
+
+# Install dependencies
+apt -y install cmake ninja-build build-essential pkg-config locales wget git file
+apt -y install libfmt-dev libenet-dev liblz4-dev nlohmann-json3-dev zlib1g-dev libopus-dev libsimpleini-dev libstb-dev libzstd-dev libusb-1.0-0-dev libcubeb-dev libcpp-jwt-dev libvulkan-dev gamemode-dev libasound2-dev libglu1-mesa-dev libxext-dev mesa-common-dev qtbase5-dev qtmultimedia5-dev qtbase5-private-dev libva-dev glslang-tools libavcodec-dev libavfilter-dev libavutil-dev libswscale-dev
+
+# Install correct version of boost
+cd /tmp
+wget https://web.archive.org/web/20241120101759id_/https://boostorg.jfrog.io/artifactory/main/release/1.84.0/source/boost_1_84_0.tar.bz2
+tar xf boost_1_84_0.tar.bz2
+cd boost_1_84_0
+./bootstrap.sh
+./b2 install --with-{headers,context} link=static
+cd ..
+rm -rf boost_1_84_0
+
+# Build Torzu
+cd /tmp
+mkdir torzu-build
+cd torzu-build
+cmake /tmp/torzu-src -GNinja -DCMAKE_BUILD_TYPE=Release -DYUZU_TESTS=OFF -DENABLE_QT_TRANSLATION=OFF -DSPIRV_WERROR=OFF -DBUILD_SHARED_LIBS=OFF -DCMAKE_FIND_LIBRARY_SUFFIXES=".a;.so" -DSPIRV-Headers_SOURCE_DIR=/tmp/torzu-src/externals/SPIRV-Headers
+ninja
+
+# Generate AppImage
+cp -rv /tmp/torzu-src/AppImageBuilder /tmp/AppImageBuilder
+cd /tmp/AppImageBuilder
+./build.sh /tmp/torzu-build /tmp/torzu.AppImage || echo "This error is known. Using workaround..."
+cp /lib/$(uname -m)-linux-gnu/libICE.so.6 build/
+mv build /tmp/hosttmp/torzu-debian-appimage-rootfs
+
+# Debug
+cd /tmp/hosttmp/torzu-debian-appimage-rootfs
+bash