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When determining the type of RC compiler, meson passes `/?` or `--version` and then reads from `stdout` looking for particular string(s) anywhere in the output. So, by adding the string "Microsoft Resource Compiler" to the `/?` output, meson will recognize `zig rc` as rc.exe and give it the correct options, which works fine since `zig rc` is drop-in CLI compatible with rc.exe. This allows using `zig rc` with meson for (cross-)compiling, by either: - Setting WINDRES="zig rc" or putting windres = ['zig', 'rc'] in the cross-file + This will work like rc.exe, so it will output .res files. This will only link successfully if you are using a linker that can do .res -> .obj conversion (so something like zig cc, MSVC, lld) - Setting WINDRES="zig rc /:output-format coff" or putting windres = ['zig', 'rc', '/:output-format', 'coff'] in the cross-file + This will make meson pass flags as if it were rc.exe, but it will cause the resulting .res file to actually be a COFF object file, meaning it will work with any linker that handles COFF object files Example cross file that uses `zig cc` (which can link `.res` files, so `/:output-format coff` is not necessary) and `zig rc`: ``` [binaries] c = ['zig', 'cc', '--target=x86_64-windows-gnu'] windres = ['zig', 'rc'] [target_machine] system = 'windows' cpu_family = 'x86_64' cpu = 'x86_64' endian = 'little' ```