From b009de13bf4bb7c96964c404fb56b3503db777fd Mon Sep 17 00:00:00 2001
From: normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 22 Nov 2018 08:46:44 +0000
Subject: configure.ac: support 32-bit builds on x86-64 systems

Because RAM is still expensive :<

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65921 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 configure.ac | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 7f8f7f72bf..b5a2ef86b2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2337,7 +2337,11 @@ AS_CASE(["$rb_cv_fiber_coroutine"], [yes|''], [
 	    rb_cv_fiber_coroutine=amd64
 	],
 	[x*64-linux], [
-	    rb_cv_fiber_coroutine=amd64
+	    AS_CASE(["$ac_cv_sizeof_voidp"],
+	        [8], [ rb_cv_fiber_coroutine=amd64 ],
+	        [4], [ rb_cv_fiber_coroutine=x86 ],
+		[*], [ rb_cv_fiber_coroutine= ]
+	    )
 	],
 	[*86-linux], [
 	    rb_cv_fiber_coroutine=x86
-- 
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