https://git.ruby-lang.org/ruby.git/commit/?id=93ccb8e8a2

From 93ccb8e8a230f6e427bb6a909f390b8231eb5f28 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Thu, 28 May 2020 00:13:11 +0900
Subject: Remove platform directory when distclean or more [ci skip]

At the time of clean-platform, platform directory may not be empty
because of parallel build.

diff --git a/common.mk b/common.mk
index af4207a..42da518 100644
--- a/common.mk
+++ b/common.mk
@@ -712,7 +712,7 @@ clean-capi distclean-capi realclean-capi: https://github.com/ruby/ruby/blob/trunk/common.mk#L712
 	@echo $(@:-capi=ing) capi
 	$(Q)$(RMALL) $(CAPIOUT)
 
-clean-platform:
+clean-platform distclean-platform realclean-platform:
 	$(Q) $(RM) $(PLATFORM_D)
 	-$(Q) $(RMDIR) $(PLATFORM_DIR) 2> $(NULL) || $(NULLCMD)
 
-- 
cgit v0.10.2


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