fix the compilation failure

rubygem-redis.spec

@@ -1,14 +1,13 @@
 %global gem_name redis
 Name:                rubygem-%{gem_name}
 Version:             4.6.0
-Release:             1
+Release:             2
 Summary:             A Ruby client library for Redis
 License:             MIT
 URL:                 https://github.com/redis/redis-rb
 Source0:             https://rubygems.org/gems/%{gem_name}-%{version}.gem
 Source1:             https://github.com/redis/redis-rb/archive/refs/tags/v%{version}.tar.gz
-BuildRequires:       ruby ruby(release) rubygems-devel rubygem(test-unit) redis make rubygem(hiredis) rubygem(minitest) rubygem(mocha)
+BuildRequires:       ruby ruby(release) rubygems-devel rubygem(test-unit) redis make rubygem(hiredis) rubygem(minitest) rubygem(mocha) procps-ng
-BuildRequires:       %{_bindir}/redis-server
 BuildArch:           noarch
 %description
 A Ruby client that tries to match Redis' API one-to-one, while still
@@ -43,10 +42,12 @@ echo '#!/usr/bin/sh' > bin/build
 chmod a+x bin/build
 mv %{_builddir}/redis-rb-%{version}/bin/cluster_creator bin/
 LANG=C.UTF-8
+pkill -f redis-server || true
+sleep 5
 for driver in ruby hiredis ; do
 export DRIVER=$driver
 make BINARY=$(which redis-server) REDIS_CLIENT=$(which redis-cli) BUILD_DIR='${TMP}'
-sleep 1
+sleep 5
 done
 popd
 
@@ -65,6 +66,9 @@ popd
 %doc %{gem_instdir}/README.md
 
 %changelog
+* Mon Jul 18 2022 wulei <wulei80@h-partners.com> - 4.6.0-2
+- Fix the compilation failure
+
 * Thu Jun 30 2022 wulei <wulei80@h-partners.com> - 4.6.0-1
 - Upgrade to 4.6.0