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Use the standardTargetOptions for built targets

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This will allow the user to build the OS with more fine grain, but there is a white list of supported build targets.
Closes #129

Updated the README to reflect the new build options


x86 => i386
This commit is contained in:
DrDeano 2020-06-22 20:18:19 +01:00
parent 10bf2439d9
commit 1b32fd309b
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2 changed files with 8 additions and 9 deletions
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10
build.zig
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@ -19,12 +19,10 @@ const x86_i686 = CrossTarget{
};
pub fn build(b: *Builder) !void {
const arch = b.option([]const u8, "arch", "Architecture to build for: x86") orelse "x86";
const target: CrossTarget = if (std.mem.eql(u8, "x86", arch))
x86_i686
else {
std.debug.warn("Unsupported or unknown architecture '{}'\n", .{arch});
unreachable;
const target = b.standardTargetOptions(.{ .whitelist = &[_]CrossTarget{x86_i686}, .default_target = x86_i686 });
const arch = switch (target.getCpuArch()) {
.i386 => "x86",
else => unreachable,
};
const fmt_step = b.addFmt(&[_][]const u8{