From 4e6bb700988d0f7350263981d2be5a8ce68d8f26 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Janne=20He=C3=9F?= <janne@hess.ooo>
Date: Tue, 30 May 2023 08:15:24 +0200
Subject: [PATCH] gnugrep: Fix build on Musl

---
 pkgs/tools/text/gnugrep/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/tools/text/gnugrep/default.nix b/pkgs/tools/text/gnugrep/default.nix
index a4ee316937af..75c6f6950737 100644
--- a/pkgs/tools/text/gnugrep/default.nix
+++ b/pkgs/tools/text/gnugrep/default.nix
@@ -16,6 +16,11 @@ stdenv.mkDerivation {
     hash = "sha256-HbKu3eidDepCsW2VKPiUyNFdrk4ZC1muzHj1qVEnbqs=";
   };
 
+  # Some gnulib tests fail on Musl: https://github.com/NixOS/nixpkgs/pull/228714
+  postPatch = if stdenv.hostPlatform.isMusl then ''
+    sed -i 's:gnulib-tests::g' Makefile.in
+  '' else null;
+
   nativeCheckInputs = [ perl glibcLocales ];
   outputs = [ "out" "info" ]; # the man pages are rather small