From e38302eeb14df7bc0177b060030fc26a08721907 Mon Sep 17 00:00:00 2001
From: Arjen Heidinga <dexter@beetjevreemd.nl>
Date: Mar 29 2019 10:35:14 +0000
Subject: Add zlib-devel as BuildRequire


This is needed to compile zlib support. I think it is by accident available in the original buildroot, but not in mine.
I think it is better to explicitly name it.
---

diff --git a/ruby.spec b/ruby.spec
index 3bcbc1f..4bf7a89 100644
--- a/ruby.spec
+++ b/ruby.spec
@@ -179,6 +179,7 @@ BuildRequires: procps
 %{?with_hostname:BuildRequires: %{_bindir}/hostname}
 BuildRequires: multilib-rpm-config
 BuildRequires: gcc
+BuildRequires: zlib-devel
 
 # This package provides %%{_bindir}/ruby-mri therefore it is marked by this
 # virtual provide. It can be installed as dependency of rubypick.