# Cross-compile the C project from a Unix host without Docker or a MinGW SDK.
# cmake -S . -B build-windows -DCMAKE_TOOLCHAIN_FILE=cmake/toolchains/zig-windows.cmake
set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_SYSTEM_PROCESSOR AMD64)
find_program(SS_ZIG_EXECUTABLE NAMES zig REQUIRED)
set(CMAKE_C_COMPILER "${SS_ZIG_EXECUTABLE}" cc -target x86_64-windows-gnu)
# CMake's archive tools accept an executable path, not an argv list.
file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/zig-tools")
foreach(tool ar ranlib)
    set(wrapper "${CMAKE_BINARY_DIR}/zig-tools/${tool}")
    file(WRITE "${wrapper}" "#!/bin/sh\nexec \"${SS_ZIG_EXECUTABLE}\" ${tool} \"$@\"\n")
    file(CHMOD "${wrapper}" PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
    set(CMAKE_${tool} "${wrapper}")
endforeach()
set(CMAKE_AR "${CMAKE_BINARY_DIR}/zig-tools/ar")
set(CMAKE_RANLIB "${CMAKE_BINARY_DIR}/zig-tools/ranlib")
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)