Generalize zig-toolchain.cmake

README.md

@@ -9,3 +9,10 @@ Reference: https://zig.news/kristoff/cross-compile-a-c-c-project-with-zig-3599
 - [Install zig](https://ziglang.org/learn/getting-started/#installing-zig) in your PATH (`choco install zig` on Windows)
 - `cmake -B build-aarch64 -G Ninja -DCMAKE_TOOLCHAIN_FILE=cmake/zig-toolchain-aarch64.cmake`
 - `cmake --build build-arch64`
+
+You can create toolchains for other triples like this. Here is an example to build for Windows on ARM64:
+
+```cmake
+set(ZIG_TARGET "aarch64-windows-gnu")
+include(${CMAKE_CURRENT_LIST_DIR}/zig-toolchain.cmake)
+```