mistral-rs: do not use native cpu optimizations (#393166)

pkgs/by-name/mi/mistral-rs/no-native-cpu.patch

@@ -0,0 +1,16 @@
+diff --git a/.cargo/config.toml b/.cargo/config.toml
+index 4abaaa83d..edc4d6710 100644
+--- a/.cargo/config.toml
++++ b/.cargo/config.toml
+@@ -1,12 +1,5 @@
+-[target.x86_64-unknown-linux-gnu]
+-rustflags = ["-C", "target-cpu=native"]
+-
+-[target.aarch64-apple-darwin]
+-[build]
+-rustflags = ["-C", "target-cpu=native"]
+-
+ [target.wasm32-unknown-unknown]
+ rustflags = ["-C", "target-feature=+simd128"]
+ 
+ [target.x86_64-apple-darwin]

pkgs/by-name/mi/mistral-rs/package.nix

@@ -79,6 +79,10 @@ rustPlatform.buildRustPackage (finalAttrs: {
     hash = "sha256-mkxgssJUBtM1DYOhFfj8YKlW61/gd0cgPtMze7YZ9L8=";
   };
 
+  patches = [
+    ./no-native-cpu.patch
+  ];
+
   useFetchCargoVendor = true;
   cargoHash = "sha256-YGGtS8gJJQKIgXxMWjO05ikSVdfVNs+cORbJ+Wf88y4=";