From 1f0ae937d6862107e947300dbb64189bacd9e204 Mon Sep 17 00:00:00 2001
From: Andrew Childs <lorne@cons.org.nz>
Date: Fri, 26 Feb 2021 13:19:11 +0900
Subject: [PATCH] libtool2: add bootstrapping warning

---
 pkgs/development/tools/misc/libtool/libtool2.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/tools/misc/libtool/libtool2.nix b/pkgs/development/tools/misc/libtool/libtool2.nix
index 89018027e6e..44e4c8665c8 100644
--- a/pkgs/development/tools/misc/libtool/libtool2.nix
+++ b/pkgs/development/tools/misc/libtool/libtool2.nix
@@ -1,6 +1,11 @@
 { lib, stdenv, fetchurl, fetchpatch, autoconf, automake, m4, perl, help2man
 }:
 
+# Note: this package is used for bootstrapping fetchurl, and thus
+# cannot use fetchpatch! All mutable patches (generated by GitHub or
+# cgit) that are needed here should be included directly in Nixpkgs as
+# files.
+
 stdenv.mkDerivation rec {
   pname = "libtool";
   version = "2.4.6";