From cc9fbc118bfefd7ee5526f7f67cf411abe69cb93 Mon Sep 17 00:00:00 2001
From: iphydf <iphydf@users.noreply.github.com>
Date: Sun, 17 Nov 2024 16:33:22 +0000
Subject: [PATCH] chore: Add fully static build.

---
 .dockerignore                |   1 +
 CMakeLists.txt               |   7 +-
 Dockerfile                   | 501 +++++++++++++++++++++++++++++++++++
 cmake/Dependencies.cmake     |  15 +-
 linux/build-static.sh        |  22 ++
 linux/static-toolchain.cmake |  12 +
 src/main.cpp                 |   3 +
 7 files changed, 547 insertions(+), 14 deletions(-)
 create mode 100644 .dockerignore
 create mode 100644 Dockerfile
 create mode 100755 linux/build-static.sh
 create mode 100644 linux/static-toolchain.cmake

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000000..a485625d42
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1 @@
+/_build
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8f36892861..e09a631283 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -606,8 +606,13 @@ qt_add_executable(${PROJECT_NAME} WIN32 MACOSX_BUNDLE
 target_link_libraries(
   ${PROJECT_NAME} PRIVATE ${PROJECT_NAME}_static ${CMAKE_REQUIRED_LIBRARIES}
                           ${ALL_LIBRARIES})
+#target_link_options(${PROJECT_NAME} PRIVATE -static-libgcc -static-libstdc++ -static)
+target_link_directories(${PROJECT_NAME} PRIVATE "/sysroot/opt/qt/plugins/platforms")
+target_link_libraries(${PROJECT_NAME} PRIVATE qoffscreen)
 
-include(Testing)
+if(BUILD_TESTING)
+  include(Testing)
+endif()
 include(Installation)
 
 if(DEFINED ENV{IN_NIX_SHELL})
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000000..9e8441f90d
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,501 @@
+FROM alpine:edge
+
+RUN ["apk", "add", \
+ "autoconf", \
+ "automake", \
+ "bash", \
+ "clang", \
+ "cmake", \
+ "curl", \
+ "diffutils", \
+ "file", \
+ "git", \
+ "libtool", \
+ "libxslt", \
+ "make", \
+ "pkgconf", \
+ "python3", \
+ "samurai", \
+ "tcl", \
+ "yasm"]
+
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+ENV CC=clang CXX=clang++ SYSROOT=/sysroot
+ENV PKG_CONFIG_PATH=$SYSROOT/usr/lib/pkgconfig:$SYSROOT/usr/lib64/pkgconfig:$SYSROOT/usr/share/pkgconfig
+
+WORKDIR /work/build
+
+COPY linux/static-toolchain.cmake /sysroot/
+
+RUN tar jxf <(curl -L https://github.com/kcat/openal-soft/releases/download/1.23.1/openal-soft-1.23.1.tar.bz2) \
+ && cd openal-soft-1.23.1 \
+ && cmake -Wno-dev \
+  -DCMAKE_TOOLCHAIN_FILE=/sysroot/static-toolchain.cmake \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DCMAKE_INSTALL_PREFIX=$SYSROOT/usr \
+  -DLIBTYPE=STATIC \
+  -GNinja \
+  -B_build \
+  -H. \
+ && cmake --build _build \
+ && cmake --install _build \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://github.com/google/double-conversion/archive/refs/tags/v3.3.0.tar.gz) \
+ && cd double-conversion-3.3.0 \
+ && cmake -Wno-dev \
+  -DCMAKE_TOOLCHAIN_FILE=/sysroot/static-toolchain.cmake \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DCMAKE_INSTALL_PREFIX=$SYSROOT/usr \
+  -GNinja \
+  -B_build \
+  -H. \
+ && cmake --build _build \
+ && cmake --install _build \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/util/util-macros-1.20.2.tar.gz) \
+ && cd util-macros-1.20.2 \
+ && ./configure --prefix="$SYSROOT/usr" \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/proto/xorgproto-2024.1.tar.gz) \
+ && cd xorgproto-2024.1 \
+ && ./configure --prefix="$SYSROOT/usr" \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xcb.freedesktop.org/dist/xcb-proto-1.17.0.tar.gz) \
+ && cd xcb-proto-1.17.0 \
+ && ./configure --prefix="$SYSROOT/usr" \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/lib/libXau-1.0.11.tar.gz) \
+ && cd libXau-1.0.11 \
+ && ./configure --prefix="$SYSROOT/usr" \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xcb.freedesktop.org/dist/libpthread-stubs-0.5.tar.gz) \
+ && cd libpthread-stubs-0.5 \
+ && ./configure --prefix="$SYSROOT/usr" \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xcb.freedesktop.org/dist/libxcb-1.17.0.tar.gz) \
+ && cd libxcb-1.17.0 \
+ && ./configure --prefix="$SYSROOT/usr" --enable-xkb --enable-glx --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/lib/xtrans-1.5.2.tar.gz) \
+ && cd xtrans-1.5.2 \
+ && ./configure --prefix="$SYSROOT/usr" \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/lib/libX11-1.8.tar.gz) \
+ && cd libX11-1.8 \
+ && ./configure --prefix="$SYSROOT/usr" --with-sysroot="$SYSROOT" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN ["apk", "add", "linux-headers"]
+RUN tar zxf <(curl -L https://github.com/libffi/libffi/releases/download/v3.4.6/libffi-3.4.6.tar.gz) \
+ && cd libffi-3.4.6 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared --enable-portable-binary --enable-pax_emutramp --disable-exec-static-tramp \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://github.com/libexpat/libexpat/releases/download/R_2_6_4/expat-2.6.4.tar.gz) \
+ && cd expat-2.6.4 \
+ && cmake \
+  -DCMAKE_TOOLCHAIN_FILE=/sysroot/static-toolchain.cmake \
+  -DCMAKE_INSTALL_PREFIX="$SYSROOT/usr" \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DBUILD_SHARED_LIBS=OFF \
+  -GNinja \
+  -B_build \
+  -H. \
+ && cmake --build _build \
+ && cmake --install _build \
+ && rm -rf /work/build
+
+RUN ["apk", "add", "python3-dev"]
+RUN tar zxf <(curl -L https://github.com/GNOME/libxml2/archive/refs/tags/v2.13.5.tar.gz) \
+ && cd libxml2-2.13.5 \
+ && autoreconf -fi \
+ && ./configure --prefix="$SYSROOT/usr" --with-sysroot="$SYSROOT" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN ["apk", "add", "meson"]
+RUN git clone --depth=1 https://gitlab.freedesktop.org/wayland/wayland.git \
+ && cd wayland \
+ && meson setup build/ -Ddefault_library=static -Ddocumentation=false -Dtests=false --prefix="$SYSROOT/usr" \
+ && ninja -C build/ install \
+ && rm -rf /work/build
+
+RUN git clone --depth=1 https://gitlab.freedesktop.org/wayland/wayland-protocols.git \
+ && cd wayland-protocols \
+ && meson setup build/ -Ddefault_library=static -Dtests=false --prefix="$SYSROOT/usr" \
+ && ninja -C build/ install \
+ && rm -rf /work/build
+
+RUN ["apk", "add", "bison"]
+RUN tar Jxf <(curl -L https://xkbcommon.org/download/libxkbcommon-1.7.0.tar.xz) \
+ && cd libxkbcommon-1.7.0 \
+ && LDFLAGS="-lXau -L$SYSROOT/usr/lib" meson setup build/ -Ddefault_library=static --prefix="$SYSROOT/usr" -Denable-tools=false \
+ && ninja -C build/ install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/proto/randrproto-1.5.0.tar.gz) \
+ && cd randrproto-1.5.0 \
+ && ./configure --prefix="$SYSROOT/usr" \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/proto/renderproto-0.11.tar.gz) \
+ && cd renderproto-0.11 \
+ && ./configure --prefix="$SYSROOT/usr" \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/lib/libXrender-0.9.11.tar.gz) \
+ && cd libXrender-0.9.11 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/lib/libXext-1.3.6.tar.gz) \
+ && cd libXext-1.3.6 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/lib/libXrandr-1.5.4.tar.gz) \
+ && cd libXrandr-1.5.4 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/proto/xineramaproto-1.2.1.tar.gz) \
+ && cd xineramaproto-1.2.1 \
+ && ./configure --prefix="$SYSROOT/usr" \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/lib/libXinerama-1.1.5.tar.gz) \
+ && cd libXinerama-1.1.5 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/lib/libXfixes-6.0.1.tar.gz) \
+ && cd libXfixes-6.0.1 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/lib/libXcursor-1.2.3.tar.gz) \
+ && cd libXcursor-1.2.3 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl https://xorg.freedesktop.org/archive/individual/lib/libXi-1.8.2.tar.gz) \
+ && cd libXi-1.8.2 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://github.com/openssl/openssl/releases/download/openssl-3.4.0/openssl-3.4.0.tar.gz) \
+ && cd openssl-3.4.0 \
+ && ./Configure linux-x86_64-clang --prefix="$SYSROOT/usr" -no-shared -no-tests -fPIC \
+ && make -j"$(nproc)" \
+ && make install_sw \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://github.com/unicode-org/icu/releases/download/release-72-1/icu4c-72_1-src.tgz) \
+ && cd icu/source \
+ && ./runConfigureICU Linux --enable-static --disable-shared --prefix="$SYSROOT/usr" \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://ftp.gnu.org/pub/gnu/gettext/gettext-0.22.5.tar.gz) \
+ gettext-0.22.5/build-aux \
+ gettext-0.22.5/gettext-runtime \
+ gettext-0.22.5/m4 \
+ gettext-0.22.5/.version \
+ && cd gettext-0.22.5/gettext-runtime \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar Jxf <(curl -L https://download.gnome.org/sources/glib/2.83/glib-2.83.0.tar.xz) \
+ && cd glib-2.83.0 \
+ && meson setup build/ -Ddefault_library=static --prefix="$SYSROOT/usr" -Dtests=false -Dglib_debug=disabled \
+ && ninja -C build/ install \
+ && rm -rf /work/build
+
+RUN tar Jxf <(curl -L https://dbus.freedesktop.org/releases/dbus/dbus-1.15.12.tar.xz) \
+ && cd dbus-1.15.12 \
+ && CFLAGS="-I$SYSROOT/usr/include" LDFLAGS="-lxcb -L$SYSROOT/usr/lib" meson setup build/ -Ddefault_library=static --prefix="$SYSROOT/usr" -Dtools=false \
+ && ninja -C build/ install \
+ && rm -rf /work/build
+
+RUN tar Jxf <(curl -L https://www.ffmpeg.org/releases/ffmpeg-7.1.tar.xz) \
+ && cd ffmpeg-7.1 \
+ && ./configure \
+ --prefix="$SYSROOT/usr" \
+ --disable-shared \
+ --disable-debug \
+ --disable-programs \
+ --disable-protocols \
+ --disable-doc \
+ --disable-sdl2 \
+ --disable-avfilter \
+ --disable-filters \
+ --disable-iconv \
+ --disable-network \
+ --disable-muxers \
+ --disable-postproc \
+ --disable-swresample \
+ --disable-swscale-alpha \
+ --disable-dwt \
+ --disable-lsp \
+ --disable-faan \
+ --disable-vaapi \
+ --disable-vdpau \
+ --disable-zlib \
+ --disable-xlib \
+ --disable-bzlib \
+ --disable-lzma \
+ --disable-encoders \
+ --disable-decoders \
+ --disable-demuxers \
+ --disable-parsers \
+ --disable-bsfs \
+ --enable-demuxer=h264 \
+ --enable-demuxer=mjpeg \
+ --enable-parser=h264 \
+ --enable-parser=mjpeg \
+ --enable-decoder=h264 \
+ --enable-decoder=mjpeg \
+ --enable-decoder=rawvideo \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar jxf <(curl -L https://github.com/libexif/libexif/releases/download/v0.6.24/libexif-0.6.24.tar.bz2) \
+ && cd libexif-0.6.24 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://github.com/fukuchi/libqrencode/archive/refs/tags/v4.1.1.tar.gz) \
+ && cd libqrencode-4.1.1 \
+ && autoreconf -fi \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared --without-png CFLAGS=-fPIC \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://github.com/jedisct1/libsodium/releases/download/1.0.20-RELEASE/libsodium-1.0.20.tar.gz) \
+ && cd libsodium-1.0.20 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://github.com/sqlcipher/sqlcipher/archive/refs/tags/v4.6.1.tar.gz) \
+ && cd sqlcipher-4.6.1 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared CFLAGS=-fPIC LDFLAGS="-L$SYSROOT/usr/lib64" \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://github.com/xiph/opus/releases/download/v1.5.2/opus-1.5.2.tar.gz) \
+ && cd opus-1.5.2 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://github.com/webmproject/libvpx/archive/refs/tags/v1.15.0.tar.gz) \
+ && cd libvpx-1.15.0 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-examples --disable-unit-tests --enable-pic \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://github.com/KhronosGroup/SPIRV-Headers/archive/refs/tags/vulkan-sdk-1.3.290.0.tar.gz) \
+ && cd SPIRV-Headers-vulkan-sdk-1.3.290.0 \
+ && cmake \
+  -DCMAKE_TOOLCHAIN_FILE=/sysroot/static-toolchain.cmake \
+  -DCMAKE_INSTALL_PREFIX="$SYSROOT/usr" \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DBUILD_SHARED_LIBS=OFF \
+  -GNinja \
+  -B_build \
+  -H. \
+ && cmake --build _build \
+ && cmake --install _build \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://github.com/KhronosGroup/SPIRV-Tools/archive/refs/tags/vulkan-sdk-1.3.290.0.tar.gz) \
+ && cd SPIRV-Tools-vulkan-sdk-1.3.290.0 \
+ && cmake \
+  -DCMAKE_TOOLCHAIN_FILE=/sysroot/static-toolchain.cmake \
+  -DCMAKE_INSTALL_PREFIX="$SYSROOT/usr" \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DBUILD_SHARED_LIBS=OFF \
+  -DSPIRV-Headers_SOURCE_DIR="$SYSROOT/usr" \
+  -GNinja \
+  -B_build \
+  -H. \
+ && cmake --build _build \
+ && cmake --install _build \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://github.com/KhronosGroup/glslang/archive/refs/tags/vulkan-sdk-1.3.296.0.tar.gz) \
+ && cd glslang-vulkan-sdk-1.3.296.0 \
+ && cmake \
+  -DCMAKE_TOOLCHAIN_FILE=/sysroot/static-toolchain.cmake \
+  -DCMAKE_INSTALL_PREFIX="$SYSROOT/usr" \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DBUILD_SHARED_LIBS=OFF \
+  -DALLOW_EXTERNAL_SPIRV_TOOLS=ON \
+  -GNinja \
+  -B_build \
+  -H. \
+ && cmake --build _build \
+ && cmake --install _build \
+ && rm -rf /work/build
+
+#RUN tar zxf <(curl -L https://github.com/NVIDIA/libglvnd/archive/refs/tags/v1.7.0.tar.gz) \
+# && cd libglvnd-1.7.0 \
+# && sed -i -e "s/subdir('tests')/#&/" meson.build \
+# && LDFLAGS="-lxcb -lXau -L$SYSROOT/usr/lib" meson setup build/ -Ddefault_library=static --prefix="$SYSROOT/usr" \
+# && ninja -C build/ install \
+# && rm -rf /work/build
+
+RUN tar Jxf <(curl https://xorg.freedesktop.org/archive/individual/lib/libpciaccess-0.18.1.tar.xz) \
+ && cd libpciaccess-0.18.1 \
+ && meson setup _build --prefix="$SYSROOT/usr" --default-library=static \
+ && ninja -C _build install \
+ && rm -rf /work/build
+
+RUN tar Jxf <(curl -L https://dri.freedesktop.org/libdrm/libdrm-2.4.123.tar.xz) \
+ && cd libdrm-2.4.123 \
+ && meson setup _build --prefix="$SYSROOT/usr" --default-library=static -Dintel=enabled -Dtests=false \
+ && ninja -C _build install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://xorg.freedesktop.org/archive/individual/lib/libxshmfence-1.3.2.tar.gz) \
+ && cd libxshmfence-1.3.2 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://xorg.freedesktop.org/archive/individual/lib/libXxf86vm-1.1.5.tar.gz) \
+ && cd libXxf86vm-1.1.5 \
+ && ./configure --prefix="$SYSROOT/usr" --disable-shared \
+ && make -j"$(nproc)" \
+ && make install \
+ && rm -rf /work/build
+
+RUN apk add libclc-dev llvm-dev py3-mako py3-packaging py3-yaml spirv-llvm-translator-dev elfutils-dev flex
+RUN apk add cbindgen py3-ply rust rust-bindgen clang-dev
+ENV PATH=$SYSROOT/usr/bin:$PATH
+RUN tar Jxf <(curl -L https://mesa.freedesktop.org/archive/mesa-24.2.7.tar.xz) \
+ && cd mesa-24.2.7 \
+ && LDFLAGS="-lXau -L$SYSROOT/usr/lib" meson setup _build/ -Ddefault_library=static --prefix="$SYSROOT/usr" || (cat _build/meson-logs/meson-log.txt && false) \
+ && ninja -C _build install \
+ && rm -rf /work/build
+
+# XXX: Hack to get Qt closer to being able to build with DBus support.
+RUN sed -i -e 's/ -pthread//g' /sysroot/usr/lib/pkgconfig/dbus-1.pc
+
+RUN apk add qt6-qtbase-dev qt6-qttools-dev
+
+RUN tar Jxf <(curl -L https://download.qt.io/archive/qt/6.8/6.8.0/single/qt-everywhere-src-6.8.0.tar.xz)
+RUN cd qt-everywhere-src-6.8.0 \
+ && ./configure \
+    -prefix "$SYSROOT/opt/qt" \
+    -qt-host-path "/usr" \
+    -qt-freetype \
+    -qt-harfbuzz \
+    -qt-libjpeg \
+    -qt-libpng \
+    -qt-pcre \
+    -qt-zlib \
+    -static \
+    -no-dbus \
+    -no-glib \
+    -openssl-linked \
+    -nomake examples \
+    -nomake tests \
+    -submodules qtbase,qtsvg,qttools \
+    -skip qtactiveqt \
+    -skip qtdeclarative \
+    -skip qtlanguageserver \
+    -skip qtshadertools \
+    -no-feature-assistant \
+    -no-feature-brotli \
+    -no-feature-designer \
+    -no-feature-printsupport \
+    -no-feature-qdoc \
+    -no-feature-qtplugininfo \
+    -no-feature-sql \
+    -no-feature-testlib \
+    -opengl desktop \
+    -- \
+    -DCMAKE_TOOLCHAIN_FILE=/sysroot/static-toolchain.cmake \
+    -Wno-dev \
+ && cmake --build . \
+ && cmake --install . \
+ && cd - \
+ && rm -rf /work/build
+
+RUN tar zxf <(curl -L https://github.com/TokTok/c-toxcore/releases/download/v0.2.20/c-toxcore-0.2.20.tar.gz) \
+ && cd c-toxcore-0.2.20 \
+ && cmake \
+  -DCMAKE_TOOLCHAIN_FILE=/sysroot/static-toolchain.cmake \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DCMAKE_INSTALL_PREFIX=$SYSROOT/usr \
+  -DENABLE_SHARED=OFF \
+  -GNinja \
+  -B_build \
+  -H. \
+ && cmake --build _build \
+ && cmake --install _build \
+ && rm -rf /work/build
+
+WORKDIR /qtox
diff --git a/cmake/Dependencies.cmake b/cmake/Dependencies.cmake
index ca6c359640..553aff0467 100644
--- a/cmake/Dependencies.cmake
+++ b/cmake/Dependencies.cmake
@@ -132,20 +132,9 @@ if(SPELL_CHECK)
 endif()
 
 # Try to find cmake toxcore libraries
-if(WIN32 OR ANDROID)
-  search_dependency(TOXCORE             PACKAGE toxcore          OPTIONAL STATIC_PACKAGE MINIMUM_VERSION ${TOXCORE_MINIMUM_VERSION})
-else()
-  search_dependency(TOXCORE             PACKAGE toxcore          OPTIONAL MINIMUM_VERSION ${TOXCORE_MINIMUM_VERSION})
-endif()
-
-# If not found, use automake toxcore libraries
-# We only check for TOXCORE, because the other two are gone in 0.2.0.
-if (NOT TOXCORE_FOUND)
-  search_dependency(TOXCORE         PACKAGE libtoxcore MINIMUM_VERSION ${TOXCORE_MINIMUM_VERSION})
-  search_dependency(TOXAV           PACKAGE libtoxav)
-endif()
+search_dependency(TOXCORE             PACKAGE toxcore          OPTIONAL STATIC_PACKAGE MINIMUM_VERSION ${TOXCORE_MINIMUM_VERSION})
 
-search_dependency(OPENAL            PACKAGE openal)
+search_dependency(OPENAL              PACKAGE openal)
 
 if (ANDROID)
   find_library(OPENSL_LIBRARY NAMES OpenSLES)
diff --git a/linux/build-static.sh b/linux/build-static.sh
new file mode 100755
index 0000000000..629160e970
--- /dev/null
+++ b/linux/build-static.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+set -eux
+
+cmake \
+  -DCMAKE_TOOLCHAIN_FILE=linux/static-toolchain.cmake \
+  -DCMAKE_PREFIX_PATH=/sysroot/opt/qt/lib/cmake \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DSPELL_CHECK=OFF \
+  -DUPDATE_CHECK=ON \
+  -DSTRICT_OPTIONS=ON \
+  -DBUILD_TESTING=OFF \
+  -GNinja \
+  -B_build \
+  -H.
+
+cmake --build _build -- -v
+
+ls -lh _build/qtox
+ldd _build/qtox
+export QT_QPA_PLATFORM=offscreen
+_build/qtox --help
diff --git a/linux/static-toolchain.cmake b/linux/static-toolchain.cmake
new file mode 100644
index 0000000000..401e8b12c4
--- /dev/null
+++ b/linux/static-toolchain.cmake
@@ -0,0 +1,12 @@
+SET(CMAKE_SYSTEM_NAME Linux)
+
+SET(CMAKE_C_COMPILER clang)
+SET(CMAKE_CXX_COMPILER clang++)
+
+SET(CMAKE_FIND_ROOT_PATH /sysroot/usr)
+
+# search for programs in the build host directories
+SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+# for libraries and headers in the target directories
+SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
diff --git a/src/main.cpp b/src/main.cpp
index 48054bd51d..8a40c958d4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -7,6 +7,7 @@
 
 #include <QDebug>
 #include <QGuiApplication>
+#include <QtPlugin>
 
 int main(int argc, char* argv[])
 {
@@ -16,3 +17,5 @@ int main(int argc, char* argv[])
     qDebug() << "Exit with status" << errorcode;
     return errorcode;
 }
+
+Q_IMPORT_PLUGIN(QOffscreenIntegrationPlugin)