From 2fa77fb82d14deb8c2fa2064305c9a7f0ae63057 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 12 Jul 2023 20:39:16 +0900
Subject: [PATCH] [ruby/etc] Fix for srcdir with spaces

Fixes https://github.com/ruby/etc/pull/22.
Build failure when the ruby installed directory name contains spaces.

https://github.com/ruby/etc/commit/1ab19d5815
---
 ext/etc/extconf.rb | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/ext/etc/extconf.rb b/ext/etc/extconf.rb
index 7c30b38bfd..1e8bd16d1d 100644
--- a/ext/etc/extconf.rb
+++ b/ext/etc/extconf.rb
@@ -43,9 +43,15 @@ have_struct_member('struct group', 'gr_passwd', 'grp.h')
 
 # for https://github.com/ruby/etc
 srcdir = File.expand_path("..", __FILE__)
-if !File.exist?("#{srcdir}/depend")
-  %x[#{RbConfig.ruby} #{srcdir}/mkconstants.rb -o #{srcdir}/constdefs.h]
+constdefs = "#{srcdir}/constdefs.h"
+ruby = RbConfig.ruby
+if File.file?(ruby)
+  ruby = [ruby]
+else
+  require "shellwords"
+  ruby = Shellwords.split(ruby)
 end
+system(*ruby, "#{srcdir}/mkconstants.rb", "-o", constdefs)
 
 # TODO: remove when dropping 2.7 support, as exported since 3.0
 have_func('rb_deprecate_constant(Qnil, "None")')