From a7bd016d01f44312041a6a91c960d11597eb7f80 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <m@mitchellh.com>
Date: Fri, 24 Apr 2026 10:08:45 -0700
Subject: [PATCH] build: cleaner comments

---
 src/build/GhosttyZig.zig | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/build/GhosttyZig.zig b/src/build/GhosttyZig.zig
index 5a15775c1..80a089968 100644
--- a/src/build/GhosttyZig.zig
+++ b/src/build/GhosttyZig.zig
@@ -124,7 +124,18 @@ fn initVt(
         // no-libc modes so we don't need libc or libcpp. System-provided
         // simdutf requires both libc and libcpp at runtime.
         .link_libc = if (system_simdutf) true else if (cfg.emit_lib_vt) false else null,
-        .link_libcpp = if (system_simdutf and cfg.target.result.abi != .msvc) true else if (cfg.emit_lib_vt and cfg.target.result.abi != .msvc) false else null,
+        .link_libcpp = libcpp: {
+            // MSVC is tightly coupled with the C++ standard library, so we
+            // need to link it even if we don't use it directly.
+            if (cfg.target.result.abi == .msvc) break :libcpp null;
+
+            // System provided simdutf always requires libcpp because
+            // we can't specify the macro required during build to disable
+            // it.
+            if (system_simdutf) break :libcpp true;
+
+            break :libcpp if (cfg.emit_lib_vt) false else null;
+        },
     });
     vt.addOptions("build_options", general_options);
     vt_options.add(b, vt);