Binary package “binutils-mingw-w64-x86-64” in ubuntu zesty

Cross-binutils for Win64 (x64) using MinGW-w64

 MinGW-w64 provides a development and runtime environment for 32- and
 64-bit (x86 and x64) Windows applications using the Windows API and
 the GNU Compiler Collection (gcc).
 .
 This package contains the toolchain binutils targeting 64-bit Windows.