docker: Windows static build (cross-compilation from Linux)

Dockerfile.windows

@@ -0,0 +1,71 @@
+FROM ubuntu:20.04
+
+ARG THREADS=1
+
+RUN apt update && \
+    DEBIAN_FRONTEND=noninteractive apt install -y build-essential cmake g++-mingw-w64 gettext git libtool pkg-config \
+    python && \
+    rm -rf /var/lib/apt/lists/*
+
+RUN update-alternatives --set x86_64-w64-mingw32-g++ $(which x86_64-w64-mingw32-g++-posix) && \
+    update-alternatives --set x86_64-w64-mingw32-gcc $(which x86_64-w64-mingw32-gcc-posix)
+
+RUN git clone -b v0.17.0.0 --depth 1 https://github.com/monero-project/monero && \
+    cd monero && \
+    git reset --hard d27d4526fe89b7cdeb4b296280c4a6cf7efe21f8 && \
+    cp -a contrib/depends / && \
+    cd .. && \
+    rm -rf monero
+
+RUN make -j$THREADS -C /depends HOST=x86_64-w64-mingw32 NO_QT=1
+
+RUN curl -LO https://download.qt.io/archive/qt/5.9/5.9.9/single/qt-everywhere-opensource-src-5.9.9.tar.xz && \
+    echo "5ce285209290a157d7f42ec8eb22bf3f1d76f2e03a95fc0b99b553391be01642 qt-everywhere-opensource-src-5.9.9.tar.xz" > hashsum.txt && \
+    sha256sum -c hashsum.txt && \
+    tar -xf qt-everywhere-opensource-src-5.9.9.tar.xz && \
+    rm qt-everywhere-opensource-src-5.9.9.tar.xz && \
+    cd qt-everywhere-opensource-src-5.9.9 && \
+    ./configure --prefix=/depends/x86_64-w64-mingw32 -xplatform win32-g++ \
+    -device-option CROSS_COMPILE=/usr/bin/x86_64-w64-mingw32- \
+    -I $(pwd)/qtbase/src/3rdparty/angle/include \
+    -opensource -confirm-license -release -static -static-runtime -opengl dynamic -no-angle \
+    -no-avx -no-openssl -no-sql-sqlite \
+    -qt-freetype -qt-harfbuzz -qt-libjpeg -qt-libpng -qt-pcre -qt-zlib \
+    -skip gamepad -skip location -skip qt3d -skip qtactiveqt -skip qtandroidextras -skip qtcanvas3d -skip qtcharts \
+    -skip qtconnectivity -skip qtdatavis3d -skip qtdoc -skip qtgamepad -skip qtlocation -skip qtmacextras \
+    -skip qtmultimedia -skip qtnetworkauth -skip qtpurchasing -skip qtscript -skip qtscxml -skip qtsensors \
+    -skip qtserialbus -skip qtserialport -skip qtspeech -skip qttools -skip qtvirtualkeyboard -skip qtwayland \
+    -skip qtwebchannel -skip qtwebengine -skip qtwebsockets -skip qtwebview -skip qtwinextras -skip qtx11extras \
+    -skip serialbus -skip webengine \
+    -nomake examples -nomake tests -nomake tools && \
+    make QMAKE="$(pwd)/qtbase/bin/qmake CONFIG-='debug debug_and_release'" -j$THREADS && \
+    make -j$THREADS install && \
+    cd qttools/src/linguist/lrelease && \
+    ../../../../qtbase/bin/qmake && \
+    make -j$THREADS && \
+    make -j$THREADS install && \
+    cd ../../../.. && \
+    rm -rf $(pwd)
+
+RUN git clone -b libgpg-error-1.38 --depth 1 git://git.gnupg.org/libgpg-error.git && \
+    cd libgpg-error && \
+    git reset --hard 71d278824c5fe61865f7927a2ed1aa3115f9e439 && \
+    ./autogen.sh && \
+    ./configure --disable-shared --enable-static --disable-doc --disable-tests \
+    --host=x86_64-w64-mingw32 --prefix=/depends/x86_64-w64-mingw32 && \
+    make -j$THREADS && \
+    make -j$THREADS install && \
+    cd .. && \
+    rm -rf libgpg-error
+
+RUN git clone -b libgcrypt-1.8.5 --depth 1 git://git.gnupg.org/libgcrypt.git && \
+    cd libgcrypt && \
+    git reset --hard 56606331bc2a80536db9fc11ad53695126007298 && \
+    ./autogen.sh && \
+    ./configure --disable-shared --enable-static --disable-doc \
+    --host=x86_64-w64-mingw32 --prefix=/depends/x86_64-w64-mingw32 \
+    --with-gpg-error-prefix=/depends/x86_64-w64-mingw32 && \
+    make -j$THREADS && \
+    make -j$THREADS install && \
+    cd .. && \
+    rm -rf libgcrypt

Makefile

@@ -21,6 +21,11 @@ default:
 	mkdir -p build && cd build && cmake -D ARCH="x86-64" -D DEV_MODE=$(or ${DEV_MODE},OFF) -D BUILD_64=ON -D CMAKE_BUILD_TYPE=Release .. && $(MAKE)
 debug:
 	mkdir -p build && cd build && cmake -D DEV_MODE=$(or ${DEV_MODE},ON) .. && $(MAKE) VERBOSE=1
+
+depends:
+	mkdir -p build/$(target)/release
+	cd build/$(target)/release && cmake -D STATIC=ON -D DEV_MODE=$(or ${DEV_MODE},OFF) -D BUILD_TAG=$(tag) -D CMAKE_BUILD_TYPE=Release -D CMAKE_TOOLCHAIN_FILE=$(root)/$(target)/share/toolchain.cmake ../../.. && $(MAKE)
+
 devmode:
 	mkdir -p build && cd build && cmake -D ARCH="x86-64" -D DEV_MODE=$(or ${DEV_MODE},ON) -D BUILD_64=ON -D CMAKE_BUILD_TYPE=Release .. && $(MAKE)
 clean:

README.md

@@ -82,6 +82,28 @@ Packaging for your favorite distribution would be a welcome contribution!
 
 *Note*: Qt 5.9.7 is the minimum version required to build the GUI.
 
+### Building Windows static binaries with Docker (any OS)
+
+1. Install Docker [https://docs.docker.com/engine/install/](https://docs.docker.com/engine/install/)
+2. Clone the repository
+   ```
+   git clone --recursive https://github.com/monero-project/monero-gui.git
+   ```
+3. Prepare build environment
+   ```
+   cd monero-gui
+   docker build --tag monero:build-env-windows --build-arg THREADS=4 --file Dockerfile.windows .
+   ```
+   \* `4` - number of CPU threads to use
+
+4. Build
+   ```
+   docker run --rm -it -v <MONERO_GUI_DIR_FULL_PATH>:/monero-gui -w /monero-gui monero:build-env-windows sh -c 'make depends root=/depends target=x86_64-w64-mingw32 tag=win-x64 -j4'
+   ```
+   \* `<MONERO_GUI_DIR_FULL_PATH>` - absolute path to `monero-gui` directory  
+   \* `4` - number of CPU threads to use
+5. Monero GUI Windows static binaries will be placed in  `monero-gui/build/x86_64-w64-mingw32/release/bin` directory
+
 ### Building Linux static binaries with Docker (any OS)
 
 1. Install Docker [https://docs.docker.com/engine/install/](https://docs.docker.com/engine/install/)
@@ -92,13 +114,13 @@ Packaging for your favorite distribution would be a welcome contribution!
 3. Prepare build environment
    ```
    cd monero-gui
-   docker build --tag monero:build-env-gui --build-arg THREADS=4 .
+   docker build --tag monero:build-env-linux --build-arg THREADS=4 --file Dockerfile.linux .
    ```
    \* `4` - number of CPU threads to use
 
 4. Build
    ```
-   docker run --rm -it -v <MONERO_GUI_DIR_FULL_PATH>:/monero-gui -w /monero-gui monero:build-env-gui sh -c 'USE_SINGLE_BUILDDIR=ON DEV_MODE=ON make release-static -j4'
+   docker run --rm -it -v <MONERO_GUI_DIR_FULL_PATH>:/monero-gui -w /monero-gui monero:build-env-linux sh -c 'USE_SINGLE_BUILDDIR=ON make release-static -j4'
    ```
    \* `<MONERO_GUI_DIR_FULL_PATH>` - absolute path to `monero-gui` directory  
    \* `4` - number of CPU threads to use