This page describes how to Build a native Windows x86_64, 64bit Intel, Rocrail package.
Open a MSYS2 CLANG64 shell.
git clone --recurse-submodules https://github.com/wxWidgets/wxWidgets.git cd wxWidgets mkdir winbuild cd winbuild git checkout v3.2.6
../configure --with-msw --enable-unicode --disable-shared --enable-graphics_ctx --enable-monolithic --enable-stc --enable-debug=no make -j4 make install
git clone <repository link> cd Rocrail
cd Rocrail make -j4 PLATFORM=WIN64 GENSUFFIX=.exe CPP=cc CC=cc LNK=cc SHARED=--shared WX_FLAGS="`wx-config --cflags`" WXCONFIG=wx-config LIBGCC=-lc++ fromtar
rocrail/package/zipper.sh WIN64 Windows