From 559c5be2fed1f035d1d7ee22ff5d6f88d227524d Mon Sep 17 00:00:00 2001
From: Razi Alavizadeh <s.r.alavizadeh@gmail.com>
Date: Wed, 5 Dec 2018 01:51:41 +0330
Subject: [PATCH] MSVC: Define _CRT_NO_VA_START_VALIDATION

Defined to fix error: C2338: va_start argument must not have
 reference type and must not be parenthesized
---
 lib/jkqtplotter.pri | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/jkqtplotter.pri b/lib/jkqtplotter.pri
index 525bf47bc2..9f9840122b 100644
--- a/lib/jkqtplotter.pri
+++ b/lib/jkqtplotter.pri
@@ -5,6 +5,9 @@
     QMAKE_CXXFLAGS += /EHsc
     # To enable M_PI, M_E,...
     DEFINES += _USE_MATH_DEFINES
+    # To fix error: C2338: va_start argument must not
+    # have reference type and must not be parenthesized
+    DEFINES += _CRT_NO_VA_START_VALIDATION
 }
 
 HEADERS += $$PWD/jkqtplotter/jkqtpbaseplotter.h \