From b0e2a510edc693e65dd021ad5033bf16f18521b9 Mon Sep 17 00:00:00 2001
From: Guillaume Lessard <guillaume.lessard@apple.com>
Date: Fri, 10 May 2024 15:28:43 -0700
Subject: [PATCH] Make a platform-specific flag explicitly platform-specific

---
 Package.swift | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Package.swift b/Package.swift
index 26bd4e63..fee91e0f 100644
--- a/Package.swift
+++ b/Package.swift
@@ -27,7 +27,7 @@ let package = Package(
         dependencies: ["CSystem"],
         path: "Sources/System",
         cSettings: [
-          .define("_CRT_SECURE_NO_WARNINGS")
+          .define("_CRT_SECURE_NO_WARNINGS", .when(platforms: [.windows]))
         ],
         swiftSettings: [
           .define("SYSTEM_PACKAGE_DARWIN", .when(platforms: [.macOS, .iOS, .watchOS, .tvOS, .visionOS])),