target: Implement OS version detection for OSX #4589
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andrewrk
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Feb 29, 2020
lib/std/zig/system.zig
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| @@ -224,7 +224,31 @@ pub const NativeTargetInfo = struct { | |||
| // TODO Detect native operating system version. | |||
| }, | |||
| .macosx => { | |||
| // TODO Detect native operating system version. | |||
| var product_version: [32]u8 = undefined; | |||
| var size: usize = @sizeOf(@TypeOf(product_version)); | |||
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Better to use product_version.len here. If the type was changed to e.g. a slice then it would still be correct instead of a bug.
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If needed we can implement a fallback for some older versions using
kern.osreleaseand a table mapping the kernel version to the osx one (see here for more info).Closes #4583