From 76b54c75b3bc7a17ffaa20a862246f1d7fe89b58 Mon Sep 17 00:00:00 2001
From: Nicolas Mattia <nicolas@nmattia.com>
Date: Thu, 3 Oct 2019 13:39:19 +0200
Subject: [PATCH] libcxxabi: don't depend on libunwind

---
 pkgs/development/compilers/llvm/7/libc++abi.nix | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/pkgs/development/compilers/llvm/7/libc++abi.nix b/pkgs/development/compilers/llvm/7/libc++abi.nix
index b5e6e0e70480..522c8d1a163b 100644
--- a/pkgs/development/compilers/llvm/7/libc++abi.nix
+++ b/pkgs/development/compilers/llvm/7/libc++abi.nix
@@ -1,4 +1,4 @@
-{ stdenv, cmake, fetch, libcxx, libunwind, llvm, version }:
+{ stdenv, cmake, fetch, libcxx, llvm, version }:
 
 stdenv.mkDerivation {
   pname = "libc++abi";
@@ -7,7 +7,6 @@ stdenv.mkDerivation {
   src = fetch "libcxxabi" "1zcqxsdjhawgz1cvpk07y3jl6fg9p3ay4nl69zsirqb2ghgyhhb2";
 
   nativeBuildInputs = [ cmake ];
-  buildInputs = stdenv.lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD) libunwind;
 
   postUnpack = ''
     unpackFile ${libcxx.src}