[script] initial Qt building for linux

* should be initial for when cross-compiling for other platforms

Signed-off-by: Caio Oliveira <caiooliveirafarias0@gmail.com>

.ci/linux/build-qt.sh

@@ -0,0 +1,63 @@
+#!/bin/bash -e
+
+# SPDX-FileCopyrightText: 2025 eden Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+QT_VERSION="6.8.3"
+QT_SRC_DIR="$HOME/qt-src-$QT_VERSION"
+QT_BUILD_DIR="$HOME/qt-build-$QT_VERSION"
+QT_INSTALL_DIR="$HOME/qt-clang-$QT_VERSION"
+CLANG_BIN="/usr/bin/clang"
+CLANGPP_BIN="/usr/bin/clang++"
+
+if [ "${INSTALL_DEPS}" = "ON" ]; then
+    sudo apt-get update
+    sudo apt-get install -y build-essential perl python3 git \
+        "^libxcb.*" libx11-dev libx11-xcb-dev libxcb-xinerama0-dev \
+        libxcb-keysyms1-dev libxcb-icccm4-dev libxcb-image0-dev \
+        libxkbcommon-dev libxkbcommon-x11-dev libgl-dev libdbus-1-dev \
+        libasound2-dev libpulse-dev libudev-dev libfontconfig1-dev \
+        libcap-dev libssl-dev
+fi
+
+if [ ! -d "$QT_SRC_DIR" ]; then
+    mkdir -p "$QT_SRC_DIR"
+    cd "$QT_SRC_DIR"
+    wget https://download.qt.io/archive/qt/6.8/$QT_VERSION/single/qt-everywhere-src-$QT_VERSION.tar.xz
+    tar xf qt-everywhere-src-$QT_VERSION.tar.xz --strip-components=1
+fi
+
+mkdir -p "$QT_BUILD_DIR"
+cd "$QT_BUILD_DIR"
+
+"$QT_SRC_DIR/configure" \
+    -prefix "$QT_INSTALL_DIR" \
+    -opensource -confirm-license \
+    -nomake examples -nomake tests \
+    -no-pch \
+    -skip qt3d \
+    -skip qtcanvas3d \
+    -skip qtconnectivity \
+    -skip qtdatavis3d \
+    -skip qtdoc \
+    -skip qtgraphicaleffects \
+    -skip qtgamepad \
+    -skip qtquick3d \
+    -skip qtquicktimeline \
+    -skip qtx11extras \
+    -skip qtwebengine \
+    -skip qtgraphs \
+    -skip qtquick3dphysics \
+    -skip qtspeech \
+    -platform linux-clang \
+    -device-option CXX="$CLANGPP_BIN" \
+    -device-option CC="$CLANG_BIN" \
+    -release \
+    -force-debug-info \
+    "CFLAGS=-march=native -mtune=native -O3 -pipe" \
+    "CXXFLAGS=-march=native -mtune=native -O3 -pipe"
+
+cmake --build . --parallel $(nproc)
+
+cmake --install .
+