From cd5b25c5ae258e7b172d8af6979c060d2a823035 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Fri, 28 Jan 2022 17:16:51 -0700
Subject: [PATCH] build.zig: fix single-threaded option

Instead of defaulting to false, just keep the option as optional to
communicate default to the build system.

Fixes one problem with building the compiler for single-threaded
targets.
---
 build.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.zig b/build.zig
index 1bfeffa5d7..c8f0438ab5 100644
--- a/build.zig
+++ b/build.zig
@@ -16,7 +16,7 @@ pub fn build(b: *Builder) !void {
     b.setPreferredReleaseMode(.ReleaseFast);
     const mode = b.standardReleaseOptions();
     const target = b.standardTargetOptions(.{});
-    const single_threaded = b.option(bool, "single-threaded", "Build artifacts that run in single threaded mode") orelse false;
+    const single_threaded = b.option(bool, "single-threaded", "Build artifacts that run in single threaded mode");
     const use_zig_libcxx = b.option(bool, "use-zig-libcxx", "If libc++ is needed, use zig's bundled version, don't try to integrate with the system") orelse false;
 
     var docgen_exe = b.addExecutable("docgen", "doc/docgen.zig");