Andrew Kelley 105db13536 std.Build: implement --host-target, --host-cpu, --host-dynamic-linker ... This also makes a long-overdue change of extracting common state from Build into a shared Graph object. Getting the semantics right for these flags turned out to be quite tricky. In the end it works like this: * The override only happens when the target is fully native, with no additional query parameters, such as versions or CPU features added. * The override affects the resolved Target but leaves the original Query unmodified. * The "is native?" detection logic operates on the original, unmodified query. This makes it possible to provide invalid host target information, causing confusing errors to occur. Don't do that. There are some minor breaking changes to std.Build API such as the fact that `b.zig_exe` is now moved to `b.graph.zig_exe`, as well as a handful of other similar flags.		2024-02-02 20:43:01 -07:00
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aro	std.Build: implement --host-target, --host-cpu, --host-dynamic-linker	2024-02-02 20:43:01 -07:00