windows build instructions

build-windows.sh

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+#
+# Crosscompiling to windows
+#
+# install mingw
+# $ sudo apt-get install mingw-w64 mingw-w64-tools
+#
+# locate mingw linkers SEARCH_DIR
+# $ x86_64-w64-mingw32-ld --verbose | grep SEARCH_DIR
+#
+# create there a symlink to BearLibTerminal.dll
+# $ cd /path/to/mingw32/dlls && sudo ln -s /path/to/BearLibTerminal.dll .
+
+
+# the build command
+GOOS=windows GOARCH=amd64 CGO_ENABLED=1 CC=x86_64-w64-mingw32-gcc CXX=x86_64-w64-mingw32-g++ go build -o alchemyst.exe