From f7a0510047928d781f8548640c3ccc009371d5d1 Mon Sep 17 00:00:00 2001
From: Emily <vcs@emily.moe>
Date: Tue, 9 Sep 2025 18:11:39 +0100
Subject: [PATCH] =?UTF-8?q?swift:=20don=E2=80=99t=20build=20LLVM=20tools?=
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These aren’t required by the build, and fail to compile with the
LLVM 21 / Darwin system libc++ changes.
---
 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 5de54078f519..5a9b1f54ac82 100644
--- a/pkgs/development/compilers/swift/compiler/default.nix
+++ b/pkgs/development/compilers/swift/compiler/default.nix
@@ -532,6 +532,7 @@ stdenv.mkDerivation {
     # - We can further reduce targets to just our targetPlatform.
     cmakeFlags="
       -GNinja
+      -DLLVM_BUILD_TOOLS=NO
       -DLLVM_ENABLE_PROJECTS=clang
       -DLLVM_TARGETS_TO_BUILD=${
         {