From 10ac0a893783e2c1a100e68ae96a1fb8d349cd33 Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyich@gmail.com>
Date: Sun, 17 Oct 2021 14:48:19 +0100
Subject: [PATCH] pkgsMusl.bison: fix tests by adding iconv workaround for musl

gnulib relies on --host= to check if iconv() on the platform
might convert unsupported symbols to '*'. Noticed as failed tests.
---
 pkgs/development/tools/parsing/bison/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/tools/parsing/bison/default.nix b/pkgs/development/tools/parsing/bison/default.nix
index 58e86331508e..3d2daba239a3 100644
--- a/pkgs/development/tools/parsing/bison/default.nix
+++ b/pkgs/development/tools/parsing/bison/default.nix
@@ -14,6 +14,10 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-BsnhO99+sk1M62tZIFpPZ8LH5yExGWREMP6C+9FKCrs=";
   };
 
+  # gnulib relies on --host= to detect iconv() features on musl().
+  # Otherwise tests fail due to incorrect unicode symbol oconversion.
+  configurePlatforms = [ "build" "host" ];
+
   nativeBuildInputs = [ m4 perl ] ++ lib.optional stdenv.isSunOS help2man;
   propagatedBuildInputs = [ m4 ];