From 0741505d6d4aae509160aaef9100ef1857241ef5 Mon Sep 17 00:00:00 2001
From: Isaac Freund <ifreund@ifreund.xyz>
Date: Mon, 5 Oct 2020 23:46:18 +0200
Subject: [PATCH] std/zig: handle underscore in kernel version

On some distros (e.g. Void Linux) the release field of the tsname
struct may contain an underscore followed by a revision number at the
end. (e.g. 5.8.12_2).
---
 lib/std/zig/system.zig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/std/zig/system.zig b/lib/std/zig/system.zig
index d13d0b22ef..b1947058cc 100644
--- a/lib/std/zig/system.zig
+++ b/lib/std/zig/system.zig
@@ -213,6 +213,8 @@ pub const NativeTargetInfo = struct {
                     // kernel version
                     const kernel_version = if (mem.indexOfScalar(u8, release, '-')) |pos|
                         release[0..pos]
+                    else if (mem.indexOfScalar(u8, release, '_')) |pos|
+                        release[0..pos]
                     else
                         release;