Fix macOS version

.cargo/config.toml

@@ -1,2 +1,5 @@
 [build]
 #target = "wasm32-unknown-unknown"
+
+[target.x86_64-apple-darwin]
+rustflags=["-C", "link-arg=-mmacosx-version-min=10.12"]

README.md

@@ -32,7 +32,7 @@ build my own. It parses all your mails and shows configurable clusters of mails
 - Additional filters for seen mails or tags / labels
 - See all the mails for the current set of filters / current cluster
 - Save the generated database as a SQLite file so you can do additional queries yourself (or open it again)
-- Cross platform (macOS, Windows, Linux and a [Web Demo](https://terhech.de/postsack_demo))
+- Cross platform (macOS (from 10.12 onward), Windows, Linux and a [Web Demo](https://terhech.de/postsack_demo))
 - The app is 13MB big and consumes ~150MB of memory on macOS
 
 The look is similar on all platforms as it uses the [Rust egui](https://github.com/emilk/egui) GUI library.
@@ -108,4 +108,4 @@ a certain bash script). The main downside was that it is currently very limited
 
 ## What does `Postsack` mean?
 
-[`Postsack` (or Postbeutel) is German](https://de.wikipedia.org/wiki/Postbeutel) for a bag full of mail
+[`Postsack` (or Postbeutel) is German](https://de.wikipedia.org/wiki/Postbeutel) for a bag full of mail

postsack-native/Cargo.toml

@@ -14,7 +14,7 @@ version = "1.0.0"
 copyright = "Copyright (c) Benedikt Terhechte (2021). All rights reserved."
 category = "Developer Tool"
 short_description = "Provides a high level visual overview of swaths of email"
-osx_minimum_system_version = "10.14"
+osx_minimum_system_version = "10.12"
 
 [dependencies]
 ps-gui = { path = "../ps-gui" }

postsack-native/build_mac.sh

@@ -2,6 +2,10 @@
 
 set -e
 
+# Compile for older macOS Versions
+# See: https://users.rust-lang.org/t/compile-rust-binary-for-older-versions-of-mac-osx/38695/2
+export MACOSX_DEPLOYMENT_TARGET=10.10
+
 rm -rf ../target/release/bundle/osx/Postsack.app
 
 # Build for x86 and ARM