Docker: For Ubuntu 24.04 use OS Qt6 + most distros use EIGEN 3.4 from OS + add FFTW3

docker/rocky8/Dockerfile

@@ -48,6 +48,8 @@ RUN dnf -y update && \
       dbus-devel \
       zlib-devel \
       glib2-devel \
+      fftw-static \
+      fftw-devel \
       fontconfig-devel \
       zlib-static \
       java-21-openjdk-headless \

docker/rocky9/Dockerfile

@@ -51,6 +51,9 @@ RUN dnf -y update && \
       dbus-devel \
       zlib-devel \
       glib2-devel \
+      fftw-static \
+      fftw-devel \
+      eigen3-devel \
       zlib-static \
       fontconfig-devel \
       openblas-devel \
@@ -78,15 +81,6 @@ RUN curl -fsSL https://rpm.nodesource.com/setup_${NODE_MAJOR}.x | bash - && \
     dnf clean all && rm -rf /var/cache/dnf && \
     node --version && npm --version && (corepack enable || true)
 
-# Header-only Eigen (clone a specific tag)
-RUN git clone --depth 1 --branch ${EIGEN_TAG} https://gitlab.com/libeigen/eigen.git /tmp/eigen && \
-    cd /tmp/eigen && \
-    mkdir build && \
-    cd build && \
-    cmake .. -DCMAKE_INSTALL_PREFIX=/opt/eigen && \
-    make install && \
-    rm -rf /tmp/eigen
-
 # Make GCC/G++ 13 the default for builds
 ENV GCC_TOOLSET_ROOT=/opt/rh/gcc-toolset-13/root
 ENV PATH=${GCC_TOOLSET_ROOT}/usr/bin:${PATH}
@@ -122,7 +116,7 @@ RUN set -eux; \
     cd /; rm -rf /tmp/qt-everywhere-src-${QT_VERSION} /tmp/qt-everywhere-src-${QT_VERSION}.tar.xz
 
 # Make Qt and Eigen discoverable by CMake
-ENV CMAKE_PREFIX_PATH=/opt/qt-${QT_VERSION}-static:/opt/eigen
+ENV CMAKE_PREFIX_PATH=/opt/qt-${QT_VERSION}-static
 
 # Set workdir for your project
 WORKDIR /workspace

docker/ubuntu2204/Dockerfile

@@ -65,6 +65,8 @@ RUN set -eux; \
       libglib2.0-dev \
       libfontconfig1-dev \
       libopenblas-dev \
+      libfftw3-dev \
+      libeigen3-dev \
       libfreetype6-dev; \
     apt-get -y install gcc-12 g++-12; \
     apt-get clean; \
@@ -94,15 +96,6 @@ RUN set -eux; \
     rm -rf /var/lib/apt/lists/*; \
     node --version; npm --version; (corepack enable || true)
 
-# Header-only Eigen (specific tag)
-RUN git clone --depth 1 --branch ${EIGEN_TAG} https://gitlab.com/libeigen/eigen.git /tmp/eigen && \
-    cd /tmp/eigen && \
-    mkdir build && \
-    cd build && \
-    cmake .. -DCMAKE_INSTALL_PREFIX=/opt/eigen && \
-    make install && \
-    rm -rf /tmp/eigen
-
 # Use GCC/G++ 12 for builds
 ENV CC=/usr/bin/gcc-12
 ENV CXX=/usr/bin/g++-12
@@ -137,7 +130,7 @@ RUN set -eux; \
     cd /; rm -rf /tmp/qt-everywhere-src-${QT_VERSION} /tmp/qt-everywhere-src-${QT_VERSION}.tar.xz
 
 # Make Qt and Eigen discoverable by CMake
-ENV CMAKE_PREFIX_PATH=/opt/qt-${QT_VERSION}-static:/opt/eigen
+ENV CMAKE_PREFIX_PATH=/opt/qt-${QT_VERSION}-static
 
 # Set workdir for your project
 WORKDIR /workspace

docker/ubuntu2404/Dockerfile

@@ -63,6 +63,11 @@ RUN set -eux; \
       libglib2.0-dev \
       libfontconfig1-dev \
       libopenblas-dev \
+      libfftw3-dev \
+      qt6-base-dev \
+      qt6-charts-dev \
+      qt6-tools-dev \
+      libeigen3-dev \
       libfreetype6-dev; \
     apt-get clean; \
     rm -rf /var/lib/apt/lists/*
@@ -91,51 +96,6 @@ RUN set -eux; \
     rm -rf /var/lib/apt/lists/*; \
     node --version; npm --version; (corepack enable || true)
 
-# Header-only Eigen (specific tag)
-RUN git clone --depth 1 --branch ${EIGEN_TAG} https://gitlab.com/libeigen/eigen.git /tmp/eigen && \
-    cd /tmp/eigen && \
-    mkdir build && \
-    cd build && \
-    cmake .. -DCMAKE_INSTALL_PREFIX=/opt/eigen && \
-    make install && \
-    rm -rf /tmp/eigen
-
-# Use GCC/G++ 13 for builds (default on Ubuntu 24.04)
-ENV CC=/usr/bin/gcc
-ENV CXX=/usr/bin/g++
-RUN gcc --version && g++ --version
-
-# Build and install static Qt 6.9 with Core, Gui, Widgets, Charts, DBus
-ARG QT_PREFIX=/opt/qt-${QT_VERSION}-static
-RUN set -eux; \
-    cd /tmp; \
-    curl -LO https://download.qt.io/official_releases/qt/6.9/${QT_VERSION}/single/qt-everywhere-src-${QT_VERSION}.tar.xz; \
-    tar -xf qt-everywhere-src-${QT_VERSION}.tar.xz; \
-    mkdir -p qt-everywhere-src-${QT_VERSION}/build && cd qt-everywhere-src-${QT_VERSION}/build; \
-    cmake -G Ninja \
-      -DQT_BUILD_SUBMODULES="qtbase;qtshadertools;qtdeclarative;qtcharts" \
-      -DBUILD_SHARED_LIBS=OFF \
-      -DQT_BUILD_TESTS=OFF \
-      -DQT_BUILD_EXAMPLES=OFF \
-      -DQT_FEATURE_dbus=ON \
-      -DQT_FEATURE_xcb=ON \
-      -DQT_FEATURE_xcb_xlib=ON \
-      -DQT_FEATURE_xkbcommon_x11=ON \
-      -DCMAKE_BUILD_TYPE=Release \
-      -DCMAKE_INSTALL_PREFIX=${QT_PREFIX} \
-      -DCMAKE_C_COMPILER=${CC} \
-      -DCMAKE_CXX_COMPILER=${CXX} \
-      -DQT_FEATURE_openssl=ON \
-      -DQT_FEATURE_openssl_linked=ON \
-      -DOPENSSL_USE_STATIC_LIBS=TRUE \
-      ..; \
-    cmake --build . -j"$(nproc)"; \
-    cmake --install .; \
-    cd /; rm -rf /tmp/qt-everywhere-src-${QT_VERSION} /tmp/qt-everywhere-src-${QT_VERSION}.tar.xz
-
-# Make Qt and Eigen discoverable by CMake
-ENV CMAKE_PREFIX_PATH=/opt/qt-${QT_VERSION}-static:/opt/eigen
-
 # Set workdir for your project
 WORKDIR /workspace