From 2ec151d19af77bf48408a4240dc13fbae0ce6b2c Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Sun, 27 Mar 2022 15:24:37 -0400
Subject: [PATCH] use fallback implementation in Miri

---
 build.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/build.rs b/build.rs
index 9d4b7c7..3831590 100644
--- a/build.rs
+++ b/build.rs
@@ -39,6 +39,10 @@ fn enable_simd(/*version: Version*/) {
         println!("cargo:warning=building for no_std disables httparse SIMD");
         return;
     }
+    if env::var_os("CARGO_CFG_MIRI").is_some() {
+        println!("cargo:warning=building for Miri disables httparse SIMD");
+        return;
+    }
 
     let env_disable = "CARGO_CFG_HTTPARSE_DISABLE_SIMD";
     if var_is(env_disable, "1") {