From 654010362f87185a37c5dca81641714b5349be29 Mon Sep 17 00:00:00 2001
From: "Jeffrey C. Ollie" <jeff@ocjtech.us>
Date: Sun, 17 Mar 2024 10:15:10 -0500
Subject: [PATCH] log more information about the build

---
 src/build_config.zig | 7 +++++++
 src/main_ghostty.zig | 4 ++++
 2 files changed, 11 insertions(+)

diff --git a/src/build_config.zig b/src/build_config.zig
index 803e3ee4d..d268c00f5 100644
--- a/src/build_config.zig
+++ b/src/build_config.zig
@@ -83,6 +83,13 @@ pub const BuildConfig = struct {
 pub const version = options.app_version;
 pub const version_string = options.app_version_string;
 
+pub const mode_string = mode: {
+    const m = @tagName(builtin.mode);
+    if (std.mem.lastIndexOfScalar(u8, m, '.')) |i| break :mode m[i..];
+    break :mode m;
+};
+pub const baseline = std.Target.Cpu.baseline(builtin.target.cpu.arch).features.eql(builtin.target.cpu.features);
+
 /// The artifact we're producing. This can be used to determine if we're
 /// building a standalone exe, an embedded lib, etc.
 pub const artifact = Artifact.detect();
diff --git a/src/main_ghostty.zig b/src/main_ghostty.zig
index 8b9203e26..ed2c34ebf 100644
--- a/src/main_ghostty.zig
+++ b/src/main_ghostty.zig
@@ -251,6 +251,10 @@ pub const GlobalState = struct {
 
         // Output some debug information right away
         std.log.info("ghostty version={s}", .{build_config.version_string});
+        std.log.info("ghostty built with{s} -Doptimize={s}", .{
+            if (build_config.baseline) " -Dcpu=baseline" else "",
+            build_config.mode_string,
+        });
         std.log.info("runtime={}", .{build_config.app_runtime});
         std.log.info("font_backend={}", .{build_config.font_backend});
         std.log.info("dependency harfbuzz={s}", .{harfbuzz.versionString()});