From 4bacea5bf48ea5ca6c9bdd10e28e85e67a0c6ef9 Mon Sep 17 00:00:00 2001
From: Lucas Fernandes Nogueira <lucas@tauri.studio>
Date: Thu, 17 Feb 2022 19:00:19 -0300
Subject: [PATCH] feat(core): set `MACOSX_DEPLOYMENT_TARGET` environment
 variable, closes #2732 (#3496)

---
 .changes/macos-deployment-target.md | 5 +++++
 core/tauri-build/src/lib.rs         | 7 +++++++
 2 files changed, 12 insertions(+)
 create mode 100644 .changes/macos-deployment-target.md

diff --git a/.changes/macos-deployment-target.md b/.changes/macos-deployment-target.md
new file mode 100644
index 000000000..b3220657a
--- /dev/null
+++ b/.changes/macos-deployment-target.md
@@ -0,0 +1,5 @@
+---
+"tauri-build": patch
+---
+
+Automatically emit `cargo:rustc-env=MACOSX_DEPLOYMENT_TARGET` with the value set on `tauri.conf.json > tauri > bundle > macos > minimumSystemVersion`.
diff --git a/core/tauri-build/src/lib.rs b/core/tauri-build/src/lib.rs
index 4d2f6de79..0d891ad1d 100644
--- a/core/tauri-build/src/lib.rs
+++ b/core/tauri-build/src/lib.rs
@@ -240,6 +240,13 @@ pub fn try_build(attributes: Attributes) -> Result<()> {
     copy_resources(ResourcePaths::new(paths.as_slice(), true), target_dir)?;
   }
 
+  #[cfg(target_os = "macos")]
+  {
+    if let Some(version) = config.tauri.bundle.macos.minimum_system_version {
+      println!("cargo:rustc-env=MACOSX_DEPLOYMENT_TARGET={}", version);
+    }
+  }
+
   #[cfg(windows)]
   {
     use anyhow::Context;