https://git.ruby-lang.org/ruby.git/commit/?id=dff74ee6db

From dff74ee6db63f4c91bef1beeba52776afe9d5a48 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Mon, 18 Jan 2021 21:15:47 +0900
Subject: Revert "Autoconf 2.70 no longer has -o option"

This reverts commit 331f0bc1cb7965bec9aed5d7278360c2e9fc8946.
It seems a mistake.

diff --git a/template/Makefile.in b/template/Makefile.in
index 4965fdd..72e37b5 100644
--- a/template/Makefile.in
+++ b/template/Makefile.in
@@ -370,7 +370,7 @@ reconfig config.status:	$(srcdir)/$(CONFIGURE) $(srcdir)/enc/Makefile.in \ https://github.com/ruby/ruby/blob/trunk/template/Makefile.in#L370
 	set $(SHELL) $($@-args); $(reconfig-exec-$(V))
 
 $(srcdir)/$(CONFIGURE): $(srcdir)/configure.ac $(srcdir)/aclocal.m4
-	$(CHDIR) $(srcdir) && exec $(AUTOCONF)
+	$(CHDIR) $(srcdir) && exec $(AUTOCONF) -o $(@F)
 
 $(srcdir)/aclocal.m4:
 	$(CHDIR) $(srcdir) && \
-- 
cgit v0.10.2


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