diff --git a/client/.cargo/config.toml b/client/.cargo/config.toml
new file mode 100644
index 0000000..0243f8f
--- /dev/null
+++ b/client/.cargo/config.toml
@@ -0,0 +1,3 @@
+[target.x86_64-unknown-linux-gnu]
+linker = "clang"
+rustflags = ["-Clink-arg=-fuse-ld=lld", "-Zshare-generics=y"]
diff --git a/devenv.nix b/devenv.nix
index 37da864..127c215 100644
--- a/devenv.nix
+++ b/devenv.nix
@@ -9,6 +9,9 @@
     pkgs.alsaLib
     pkgs.udev
 
+    # bevy fast compile
+    pkgs.clang pkgs.lld
+
     # copié de https://github.com/mmai/Hyperspeedcube/blob/develop/devenv.nix
     # TODO : retirer ce qui est inutile
     # pour erreur à l'exécution, selon https://github.com/emilk/egui/discussions/1587