From fc246ead19bebd1c42eba3e1f0b82398b8852faa Mon Sep 17 00:00:00 2001
From: Audrey Dutcher <audrey@rhelmot.io>
Date: Tue, 14 May 2024 15:12:16 -0700
Subject: [PATCH] bash: Fix build on FreeBSD cross

---
 pkgs/shells/bash/5.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/shells/bash/5.nix b/pkgs/shells/bash/5.nix
index de0426fbcdcd..cdce3667c5cd 100644
--- a/pkgs/shells/bash/5.nix
+++ b/pkgs/shells/bash/5.nix
@@ -88,6 +88,10 @@ stdenv.mkDerivation rec {
     "bash_cv_termcap_lib=libncurses"
   ] ++ lib.optionals (stdenv.hostPlatform.libc == "musl") [
     "--disable-nls"
+  ] ++ lib.optionals stdenv.hostPlatform.isFreeBSD [
+    # /dev/fd is optional on FreeBSD. we need it to work when built on a system
+    # with it and transferred to a system without it! This includes linux cross.
+    "bash_cv_dev_fd=absent"
   ];
 
   strictDeps = true;