From 0a855f19729d4a980a6a77369c433bed6878b339 Mon Sep 17 00:00:00 2001
From: figsoda <figsoda@pm.me>
Date: Sun, 6 Nov 2022 21:32:10 -0500
Subject: [PATCH] fix sysroot resolution

---
 lib/combine.nix | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/lib/combine.nix b/lib/combine.nix
index 44324123..837cea12 100644
--- a/lib/combine.nix
+++ b/lib/combine.nix
@@ -1,13 +1,25 @@
-{ lib, symlinkJoin }:
+{ lib, symlinkJoin, zlib, stdenv }:
 
 name: paths:
 
 symlinkJoin {
   inherit name paths;
   postBuild = ''
-    if [ -d $out/bin ]; then
-      cp --remove-destination $(realpath $out/bin/*) $out/bin
-    fi
+    for file in $(find $out/bin -xtype f); do
+      install -m755 $(realpath "$file") $out/bin
+
+      ${lib.optionalString stdenv.isLinux ''
+        patchelf --set-rpath $out/lib "$file" || true
+      ''}
+
+      ${lib.optionalString stdenv.isDarwin ''
+        install_name_tool -add_rpath $out/lib "$file" || true
+      ''}
+    done
+
+    for file in $(find $out/lib -name "librustc_driver-*"); do
+      install $(realpath "$file") $out/lib
+    done
   '';
   meta.platforms = lib.platforms.all;
 }