From 3046178f6b8970d90a770e4f9b00afc7db71065d Mon Sep 17 00:00:00 2001
From: Greg Hellings <greg.hellings@gmail.com>
Date: Sat, 27 Sep 2025 17:53:39 -0500
Subject: [PATCH] Add gcc-tune script

---
 hosts/baseline.nix |  1 +
 pkgs/default.nix   |  1 +
 pkgs/gcc-tune.nix  | 16 ++++++++++++++++
 3 files changed, 18 insertions(+)
 create mode 100644 pkgs/gcc-tune.nix

diff --git a/hosts/baseline.nix b/hosts/baseline.nix
index fc580f7..55e2ce0 100644
--- a/hosts/baseline.nix
+++ b/hosts/baseline.nix
@@ -36,6 +36,7 @@ in
     efibootmgr
     findutils
     file
+    gcc-tune
     git
     gnupatch
     hms # My own home manager switcher
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 75f2738..65a3287 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -10,6 +10,7 @@ in
   aacs = c ./aacs.nix { };
   brew = c ./homebrew.nix { };
   create_ssl = c ./create_ssl.nix { };
+  gcc-tune = c ./gcc-tune.nix { };
   gen-build = c ./gen-build { };
   hms = c ./hms { };
   inject-darwin = c ./inject-darwin.nix { };
diff --git a/pkgs/gcc-tune.nix b/pkgs/gcc-tune.nix
new file mode 100644
index 0000000..196fa37
--- /dev/null
+++ b/pkgs/gcc-tune.nix
@@ -0,0 +1,16 @@
+{
+  writeShellApplication,
+  gcc,
+  gnugrep,
+}:
+
+writeShellApplication {
+  name = "gcc-tune";
+  runtimeInputs = [
+    gcc
+    gnugrep
+  ];
+  text = ''
+    gcc -march=native -Q --help=target | grep 'mtune='
+  '';
+}