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-rw-r--r--nixpkgs/pkgs/development/compilers/zig/hook.nix8
1 files changed, 8 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/compilers/zig/hook.nix b/nixpkgs/pkgs/development/compilers/zig/hook.nix
index df6304a34378..254a64597dd3 100644
--- a/nixpkgs/pkgs/development/compilers/zig/hook.nix
+++ b/nixpkgs/pkgs/development/compilers/zig/hook.nix
@@ -8,6 +8,14 @@ makeSetupHook {
 
   propagatedBuildInputs = [ zig ];
 
+  substitutions = {
+    zig_default_flags =
+      if lib.versionAtLeast zig.version "0.11" then
+        "-Doptimize=ReleaseSafe -Dcpu=baseline"
+      else
+        "-Drelease-safe=true -Dcpu=baseline";
+  };
+
   passthru = { inherit zig; };
 
   meta = {