2 files changed, 15 insertions, 0 deletions
diff --git a/lib/systems/default.nix b/lib/systems/default.nix
index 1e38dbf531b..21b00374da4 100644
--- a/lib/systems/default.nix
+++ b/lib/systems/default.nix
@@ -112,6 +112,19 @@ rec {
         aarch64 = "arm64";
       }.${final.parsed.cpu.name} or final.parsed.cpu.name;
 
+      darwinPlatform =
+        if final.isMacOS then "macos"
+        else if final.isiOS then "ios"
+        else null;
+      # The canonical name for this attribute is darwinSdkVersion, but some
+      # platforms define the old name "sdkVer".
+      darwinSdkVersion = final.sdkVer or "10.12";
+      darwinMinVersion = final.darwinSdkVersion;
+      darwinMinVersionVariable =
+        if final.isMacOS then "MACOSX_DEPLOYMENT_TARGET"
+        else if final.isiOS then "IPHONEOS_DEPLOYMENT_TARGET"
+        else null;
+
       emulator = pkgs: let
         qemu-user = pkgs.qemu.override {
           smartcardSupport = false;
diff --git a/lib/systems/examples.nix b/lib/systems/examples.nix
index 654d6f69af0..13779a9b0cf 100644
--- a/lib/systems/examples.nix
+++ b/lib/systems/examples.nix
@@ -217,6 +217,7 @@ rec {
     sdkVer = "14.3";
     xcodeVer = "12.3";
     xcodePlatform = "iPhoneSimulator";
+    darwinPlatform = "ios-simulator";
     useiOSPrebuilt = true;
   };
 
@@ -226,6 +227,7 @@ rec {
     sdkVer = "14.3";
     xcodeVer = "12.3";
     xcodePlatform = "iPhoneSimulator";
+    darwinPlatform = "ios-simulator";
     useiOSPrebuilt = true;
   };