From 95c420c4a65ca2e7f3edf27134ad33691959296c Mon Sep 17 00:00:00 2001
From: Sutou Kouhei <kou@cozmixng.org>
Date: Mon, 14 Oct 2019 12:40:50 +0900
Subject: Import StringScanner 1.0.3 (#2553)

---
 ext/strscan/extconf.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'ext/strscan/extconf.rb')

diff --git a/ext/strscan/extconf.rb b/ext/strscan/extconf.rb
index 714fa99fae..f0ecbf85d8 100644
--- a/ext/strscan/extconf.rb
+++ b/ext/strscan/extconf.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
 require 'mkmf'
-$INCFLAGS << " -I$(top_srcdir)"
+$INCFLAGS << " -I$(top_srcdir)" if $extmk
+have_func("onig_region_memsize", "ruby.h")
 create_makefile 'strscan'
-- 
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