From 0d38a51ec42af3bcef46344d55e3bf1a871d8dc0 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 19 Jun 2020 12:07:05 +0900
Subject: Clean exts.mk under each extension library

---
 template/exts.mk.tmpl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/template/exts.mk.tmpl b/template/exts.mk.tmpl
index ea1219805b..4271bfda0a 100644
--- a/template/exts.mk.tmpl
+++ b/template/exts.mk.tmpl
@@ -145,6 +145,7 @@ ext/extinit.<%=objext%>:
 %     end
 	$(Q)<%= submake %><%=mflags%> V=$(V) $(@F)
 %     if /^(dist|real)clean$/ =~ tgt
+	$(Q)$(RM) $(@D)/exts.mk
 	$(Q)$(RMDIRS) $(@D)
 %     end
 %   end
-- 
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