Migrate the build system to cmake

docker/Dockerfile

@@ -14,14 +14,13 @@ RUN \
     apt-get update && \
     apt-get install -y --no-install-recommends \
        build-essential \
+       cmake \
        desktop-file-utils \
        gcc \
        g++ \
        git \
        qt6-tools-dev \
        qt6-base-dev-tools \
-       qmake6 \
-       qmake6-bin \
        qt6-base-dev \
        qt6-multimedia-dev \
        qt6-tools-dev-tools \
@@ -60,24 +59,22 @@ RUN git clone https://github.com/YACReader/yacreader.git /src/git && \
     cd /src/git && \
     git checkout $YACR_VERSION
 
-# get 7zip source
-RUN cd /src/git/compressed_archive && \
-    wget "https://github.com/YACReader/yacreader-7z-deps/blob/main/7z2301-src.7z?raw=true" -O /src/git/compressed_archive/7z2301-src.7z && \
-    7z x /src/git/compressed_archive/7z2301-src.7z -o/src/git/compressed_archive/lib7zip 
-
-# build yacreaderlibraryserver
-RUN cd /src/git/YACReaderLibraryServer && \
-    qmake6 PREFIX=/app CONFIG+="7zip server_standalone" YACReaderLibraryServer.pro && \
-    qmake6 -v && \
-    make  && \
-    make install
+# build yacreaderlibraryserver (7zip source is auto-downloaded by CMake FetchContent)
+RUN cd /src/git && \
+    cmake -B build \
+      -DCMAKE_INSTALL_PREFIX=/app \
+      -DDECOMPRESSION_BACKEND=7zip \
+      -DBUILD_SERVER_STANDALONE=ON \
+      -DCMAKE_BUILD_TYPE=Release && \
+    cmake --build build --parallel && \
+    cmake --install build
 
 # install 7z.so with RAR support
 RUN echo "Building and installing 7z.so with RAR support..." && \
     cd "/src/git/compressed_archive/lib7zip/CPP/7zip/Bundles/Format7zF" && \
     make -f makefile.gcc && \
     mkdir -p /app/lib/7zip && \
-    cp ./_o/7z.so /app/lib/7zip    
+    cp ./_o/7z.so /app/lib/7zip
 
 # Stage 2: Runtime stage
 FROM ghcr.io/linuxserver/baseimage-ubuntu:noble
@@ -95,7 +92,7 @@ RUN apt-get update && \
     apt-get install -y --no-install-recommends \
        libqt6core5compat6 \
        libpoppler-qt6-3t64 \
-       qt6-image-formats-plugins \ 
+       qt6-image-formats-plugins \
        libqt6network6t64 \
        libqt6sql6-sqlite && \
     apt-get clean && \