From 0f1b8fd2dcd2db698095a54ca9beff7e27cf1ceb Mon Sep 17 00:00:00 2001
From: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Date: Mon, 27 Nov 2017 10:40:44 +0100
Subject: [PATCH] work around flex bug

flex emits code using isatty(), but fails to include the required
unistd.h. we can work around it by including the header ourselves.

Task-number: QTBUG-64771
Change-Id: I05313eeb79f7a0e25365dee5f05a0142f87209ae
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 src/tools/qlalr/examples/qparser/calc.l | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/tools/qlalr/examples/qparser/calc.l b/src/tools/qlalr/examples/qparser/calc.l
index e619e34dab..fe542680a8 100644
--- a/src/tools/qlalr/examples/qparser/calc.l
+++ b/src/tools/qlalr/examples/qparser/calc.l
@@ -33,6 +33,9 @@
 #include "calc_parser.h"
 #include <cstdlib>
 
+// Work around flex bug
+#include <unistd.h>
+
 #define YY_DECL int CalcParser::nextToken()
 %}