From 19d240b6197c0f5ce84814e2faaa4bb4ededf97b Mon Sep 17 00:00:00 2001
From: Sam <30577766+Samasaur1@users.noreply.github.com>
Date: Thu, 18 Sep 2025 11:40:55 -0700
Subject: [PATCH] swiftPackages.{sourcekit-lsp,swift-format}: link
 libdispatch.so

In my experience this solution seems to be necessary on almost all if
not all Swift packages on Linux
---
 pkgs/development/compilers/swift/sourcekit-lsp/default.nix | 5 +++++
 pkgs/development/compilers/swift/swift-format/default.nix  | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/pkgs/development/compilers/swift/sourcekit-lsp/default.nix b/pkgs/development/compilers/swift/sourcekit-lsp/default.nix
index 5e4a3b664c85..3ea077854cf0 100644
--- a/pkgs/development/compilers/swift/sourcekit-lsp/default.nix
+++ b/pkgs/development/compilers/swift/sourcekit-lsp/default.nix
@@ -7,6 +7,7 @@
   swift,
   swiftpm,
   swiftpm2nix,
+  Dispatch,
   Foundation,
   XCTest,
   sqlite,
@@ -40,6 +41,10 @@ stdenv.mkDerivation {
     ncursesInput
   ];
 
+  env.LD_LIBRARY_PATH = lib.optionalString stdenv.hostPlatform.isLinux (
+    lib.makeLibraryPath [ Dispatch ]
+  );
+
   configurePhase = generated.configure + ''
     swiftpmMakeMutable indexstore-db
     patch -p1 -d .build/checkouts/indexstore-db -i ${./patches/indexstore-db-macos-target.patch}
diff --git a/pkgs/development/compilers/swift/swift-format/default.nix b/pkgs/development/compilers/swift/swift-format/default.nix
index fbdd4efa08e3..f1d435a6cca5 100644
--- a/pkgs/development/compilers/swift/swift-format/default.nix
+++ b/pkgs/development/compilers/swift/swift-format/default.nix
@@ -6,6 +6,7 @@
   swift,
   swiftpm,
   swiftpm2nix,
+  Dispatch,
   Foundation,
 }:
 let
@@ -24,6 +25,10 @@ stdenv.mkDerivation {
   ];
   buildInputs = [ Foundation ];
 
+  env.LD_LIBRARY_PATH = lib.optionalString stdenv.hostPlatform.isLinux (
+    lib.makeLibraryPath [ Dispatch ]
+  );
+
   configurePhase = generated.configure;
 
   # We only install the swift-format binary, so don't need the other products.