From 0bb7f0c5c18172d09a0f4da66c0b0b104fc3ecca Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 14 Jul 2016 04:04:48 +0000
Subject: Unicode version check

* common.mk (RBCONFIG): check if Unicode versions match.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55674 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 common.mk | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/common.mk b/common.mk
index 24c82b5c65..17428ffacb 100644
--- a/common.mk
+++ b/common.mk
@@ -624,6 +624,11 @@ extconf: $(PREP)
 	$(RUNRUBY) -C "$(EXTCONFDIR)" $(EXTCONF) $(EXTCONFARGS)
 
 $(RBCONFIG): $(srcdir)/tool/mkconfig.rb config.status $(srcdir)/version.h
+	$(Q)$(BOOTSTRAPRUBY) -n \
+	-e 'BEGIN{version=ARGV.shift;ok=false}' \
+	-e 'END{abort "UNICODE version mismatch" unless ok}' \
+	-e '(ARGF.close; ok = true) if /ONIG_UNICODE_VERSION_STRING +"#{Regexp.quote(version)}"/o' \
+	$(UNICODE_VERSION) $(srcdir)/enc/unicode/casefold.h
 	$(Q)$(BOOTSTRAPRUBY) $(srcdir)/tool/mkconfig.rb \
 		-cross_compiling=$(CROSS_COMPILING) \
 		-arch=$(arch) -version=$(RUBY_PROGRAM_VERSION) \
-- 
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