From 7c322ec31c74512f4ac3d71fb97289e914d5e26f Mon Sep 17 00:00:00 2001
From: Juraj Sadel <juraj.sadel@espressif.com>
Date: Tue, 10 Jun 2025 11:31:25 +0200
Subject: [PATCH] esp-wifi and esp-storage can be used with opt-level=s (#3618)

---
 esp-storage/build.rs | 4 ++--
 esp-wifi/build.rs    | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/esp-storage/build.rs b/esp-storage/build.rs
index ac32f3430..9e00035a6 100644
--- a/esp-storage/build.rs
+++ b/esp-storage/build.rs
@@ -7,9 +7,9 @@ fn main() -> Result<(), String> {
     if cfg!(feature = "esp32") {
         match std::env::var("OPT_LEVEL") {
             Ok(level) if std::env::var("CI").is_err() => {
-                if level != "2" && level != "3" {
+                if level != "2" && level != "3" && level != "s" {
                     Err(format!(
-                        "Building esp-storage for ESP32 needs optimization level 2 or 3 - yours is {level}. See https://github.com/esp-rs/esp-storage"
+                        "Building esp-storage for ESP32 needs optimization level 2, 3 or s - yours is {level}. See https://github.com/esp-rs/esp-storage"
                     ))
                 } else {
                     Ok(())
diff --git a/esp-wifi/build.rs b/esp-wifi/build.rs
index 378d93609..1d85f0331 100644
--- a/esp-wifi/build.rs
+++ b/esp-wifi/build.rs
@@ -39,9 +39,9 @@ fn main() -> Result<(), Box<dyn Error>> {
     );
 
     if let Ok(level) = std::env::var("OPT_LEVEL") {
-        if level != "2" && level != "3" {
+        if level != "2" && level != "3" && level != "s" {
             let message = format!(
-                "esp-wifi should be built with optimization level 2 or 3 - yours is {level}.
+                "esp-wifi should be built with optimization level 2, 3 or s - yours is {level}.
                 See https://github.com/esp-rs/esp-wifi",
             );
             print_warning(message);