From 86e160440f25a5f3afb811d2d0660d1f275b3127 Mon Sep 17 00:00:00 2001
From: Anthony Cowley <acowley@gmail.com>
Date: Fri, 28 Apr 2017 21:35:46 -0400
Subject: [PATCH] rtags: link to libclang.dylib at absolute path on darwin

---
 pkgs/development/tools/rtags/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/tools/rtags/default.nix b/pkgs/development/tools/rtags/default.nix
index 4f396e26bf94..6ab227dedcd9 100644
--- a/pkgs/development/tools/rtags/default.nix
+++ b/pkgs/development/tools/rtags/default.nix
@@ -22,6 +22,12 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
+  postInstall = lib.optionalString stdenv.isDarwin ''
+    for f in $out/bin/{rc,rdm,rp}; do
+      install_name_tool -change @rpath/libclang.dylib ${llvmPackages.clang.cc}/lib/libclang.dylib ''${f}
+    done
+  '';
+
   meta = {
     description = "C/C++ client-server indexer based on clang";
     homepage = https://github.com/andersbakken/rtags;