From 41a3e1790454b405bc14643c19c704a8f5668cf5 Mon Sep 17 00:00:00 2001
From: Yuichi Nishiwaki <yuichi.nishiwaki@gmail.com>
Date: Wed, 19 Mar 2014 17:35:54 +0900
Subject: [PATCH] no unistd.h in lex.yy.c

---
 src/scan.l | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/scan.l b/src/scan.l
index cc3b54ff..a193dd68 100644
--- a/src/scan.l
+++ b/src/scan.l
@@ -8,6 +8,8 @@
 
 #define yylval (yyextra->yylval)
 
+#define YY_NO_UNISTD_H
+
 /* NOTE:
  *  An internal function `yy_fatal_error` takes yyscanner for its second
  * argument but doesn't use it. This invokes a `unused variable` compiler