update README

README.md

@@ -22,9 +22,56 @@ Go to the releases page and grab the latest installers or binary. https://github
 ```
 git clone https://github.com/MyHush/SilenDragonLite.git
 cd silentdragonlite
-/path/to/qt5/bin/qmake silentdragon-lite.pro CONFIG+=debug
+./build.sh
+./Silentdragonlite
+
+```
+
+## Crosscompile for Windows (only tested for Ubuntu 18.04)
+
+```
+# build dependencies
+sudo apt install clang g++ build-essential make mingw-w64 git pkg-config libc6-dev m4 g++-multilib autoconf libtool-bin ncurses-dev unzip python python-zmq zlib1g-dev wget curl bsdmainutils automake libgl1-mesa-dev libglu1-mesa-dev libfontconfig1-dev autopoint libssl-dev
+
+# MXE dependencies
+sudo apt install bash bison bzip2 flex gettext git gperf intltool libc6-dev-i386 libgdk-pixbuf2.0-dev libltdl-dev libtool-bin libxml-parser-perl make openssl p7zip-full patch perl pkg-config python ruby sed unzip wget xz-utils
+
+```
+Compile OpenSSL
+
+```
+# Download openssl 1.0.2
+https://www.openssl.org/source/
+cd openssl
+./Configure linux-x86_64
+make
+```
+Static build of Qt5
+
+# Download Qt5 sources
+```
+mkdir -p ~/Qt/5.11.2 && cd ~/Qt/5.11.2
+
+wget https://download.qt.io/archive/qt/5.11/5.11.2/single/qt-everywhere-src-5.11.2.tar.xz
+tar xvf qt-everywhere-src-5.11.2.tar.xz && cd qt-everywhere-src-5.11.2
+
+```
+# Configure and build Qt5 statically.
+```
+OPENSSL_LIBS='-L/PATH/TO/openssl-1.0.2q -lssl -lcrypto' ./configure -static -prefix ~/Qt/5.11.2/static  -skip qtlocation -skip qtmacextras -skip qtpurchasing -skip qtscript -skip qtsensors -skip qtserialbus -skip qtserialport -skip qtspeech -skip qtdatavis3d -skip qtdoc -skip qtcharts -skip qtdeclarative -skip qt3d -skip qtwebengine -skip qtandroidextras -skip qtwebview -skip qtgamepad -skip qtquickcontrols -skip qtquickcontrols2 -skip qtremoteobjects -skip qtwebview -skip qtwebchannel -skip qtwebglplugin  -nomake examples -nomake tests -qt-zlib -qt-libpng -qt-xcb -qt-xkbcommon -feature-fontconfig -no-feature-getentropy  -release -openssl-linked -opensource
+
 make -j$(nproc)
+make -j$(nproc) install
 
-./silentdragonlite
 ```
+# Build MXE (Cross-compiled Qt5 for Windows in Linux)
+```
+mkdir ~/github && cd ~/github
+git clone https://github.com/mxe/mxe.git
+cd mxe
 
+make -j$(nproc) MXE_TARGETS=x86_64-w64-mingw32.static qtbase qtwebsockets
+
+```
+# Build SilentDragonLite .exe
+./win-static-build.sh