From e1184abb1b7d99a67ec14af2c52b1133be6a0856 Mon Sep 17 00:00:00 2001
From: Eliah Kagan <degeneracypressure@gmail.com>
Date: Sun, 22 Sep 2024 07:54:17 -0400
Subject: [PATCH] Tweak string conversion for MSRV compatibility

---
 zng/cmake.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zng/cmake.rs b/zng/cmake.rs
index 6bfc949..b4779fc 100644
--- a/zng/cmake.rs
+++ b/zng/cmake.rs
@@ -22,7 +22,7 @@ pub fn build_zlib_ng(target: &str, compat: bool) {
             .map(OsStr::to_str)
             .map(str::trim)
             .map(str::to_uppercase)
-            .map(Into::into)
+            .as_deref()
         {
             Some("OFF" | "NO" | "FALSE" | "0") => {
                 // Force RVV off. This turns off RVV entirely, as well as the runtime check for it.