From 61593a72a0c467ce64150a203c5b72650d59ae16 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Charlotte=20=F0=9F=A6=9D=20Dele=C5=84kec?= <lotte@chir.rs>
Date: Thu, 26 Jun 2025 17:26:24 +0100
Subject: [PATCH] swift: throw on unsupported arch

---
 pkgs/development/compilers/swift/compiler/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/compilers/swift/compiler/default.nix b/pkgs/development/compilers/swift/compiler/default.nix
index c23b8e0877f5..993ca970c06e 100644
--- a/pkgs/development/compilers/swift/compiler/default.nix
+++ b/pkgs/development/compilers/swift/compiler/default.nix
@@ -484,6 +484,7 @@ stdenv.mkDerivation {
             "aarch64" = "AArch64";
           }
           .${targetPlatform.parsed.cpu.name}
+            or (throw "Unsupported CPU architecture: ${targetPlatform.parsed.cpu.name}")
         }
       "
       buildProject llvm llvm-project/llvm