1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
//! Helpers for invoking Apple's native linker through the target SDK.
//!
//! Callers provide all artifact-specific flags, inputs, and outputs.
const std = @import("std");
const builtin = @import("builtin");
const RunStep = std.Build.Step.Run;
/// Returns true when the host Apple toolchain can link the target.
///
/// This is limited to targets covered by the SDK and target-triple mappings
/// below. Add other Darwin platforms alongside support for those mappings.
pub fn available(target: std.Build.ResolvedTarget) bool {
if (!builtin.os.tag.isDarwin()) return false;
return switch (target.result.os.tag) {
.macos, .ios => true,
else => false,
};
}
/// Create an Apple Clang link command configured for the target SDK and
/// deployment version. The caller supplies the artifact-specific link flags,
/// inputs, and output.
pub fn addCommand(
b: *std.Build,
name: []const u8,
target: std.Build.ResolvedTarget,
) !*RunStep {
if (!available(target)) return error.AppleNativeLinkerUnavailable;
const run = RunStep.create(b, name);
run.addArgs(&.{
"/usr/bin/xcrun",
"--sdk",
try sdkName(target),
"clang",
"-fuse-ld=ld",
"-target",
try clangTarget(b, target),
});
return run;
}
fn sdkName(target: std.Build.ResolvedTarget) ![]const u8 {
return switch (target.result.os.tag) {
.macos => "macosx",
.ios => switch (target.result.abi) {
.simulator => "iphonesimulator",
else => "iphoneos",
},
else => error.UnsupportedAppleTarget,
};
}
fn clangTarget(
b: *std.Build,
target: std.Build.ResolvedTarget,
) ![]const u8 {
const arch = switch (target.result.cpu.arch) {
.aarch64 => "arm64",
.x86_64 => "x86_64",
else => return error.UnsupportedAppleArchitecture,
};
const minimum = target.query.os_version_min orelse
return error.AppleDeploymentTargetMissing;
return switch (target.result.os.tag) {
.macos => b.fmt(
"{s}-apple-macosx{f}",
.{ arch, minimum.semver },
),
.ios => switch (target.result.abi) {
.simulator => b.fmt(
"{s}-apple-ios{f}-simulator",
.{ arch, minimum.semver },
),
else => b.fmt(
"{s}-apple-ios{f}",
.{ arch, minimum.semver },
),
},
else => error.UnsupportedAppleTarget,
};
}
|
