From 669e8b03202dee2d36f553b70295d8fcfdac1081 Mon Sep 17 00:00:00 2001
From: Mathew Sutcliffe <oktal3700@gmail.com>
Date: Wed, 1 Mar 2017 18:14:15 +0000
Subject: [PATCH] refs #213, #893 Disable precompiled header when using
 MSVC2015.

---
 mkspecs/features/common_post.prf | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mkspecs/features/common_post.prf b/mkspecs/features/common_post.prf
index ba1971697..986ab0f4a 100644
--- a/mkspecs/features/common_post.prf
+++ b/mkspecs/features/common_post.prf
@@ -49,6 +49,9 @@ macx:staticlib:isEmpty(SOURCES) {
 # only MSVC gains any build time improvement
 !msvc: CONFIG -= precompile_header
 
+# expression SFINAE bug in MSVC2015 when using PCH
+msvc:lessThan(MSVC_VER, 15): CONFIG -= precompile_header
+
 # not supported by clang_cl
 clang_cl: CONFIG -= precompile_header