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macho: add <cpu_arch>-macosx to target strings as a fallback target

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Turns out that around 10.13/10.14 macOS release version, Apple changed the target tags in
tbd files from `macosx` to `macos`. In order to be compliant and therefore actually support
linking on older platforms against `libSystem.tbd`, we add `<cpu_arch>-macosx` to target strings.
This commit is contained in:
Jakub Konka
2024-02-04 17:56:26 +01:00
parent a1b607acb5
commit f5dbcd1cb4
1 changed files with 9 additions and 0 deletions
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9
src/link/MachO/Dylib.zig
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@@ -677,6 +677,15 @@ pub const TargetMatcher = struct {
const host_target = try targetToAppleString(allocator, cpu_arch, .MACOS);
try self.target_strings.append(allocator, host_target);
},
.MACOS => {
// Turns out that around 10.13/10.14 macOS release version, Apple changed the target tags in
// tbd files from `macosx` to `macos`. In order to be compliant and therefore actually support
// linking on older platforms against `libSystem.tbd`, we add `<cpu_arch>-macosx` to target_strings.
const fallback_target = try std.fmt.allocPrint(allocator, "{s}-macosx", .{
cpuArchToAppleString(cpu_arch),
});
try self.target_strings.append(allocator, fallback_target);
},
else => {},
}