From 7803fd36db7b7889daf77da99279987cc95b5052 Mon Sep 17 00:00:00 2001
From: Sascha Kratky <skratky@gmail.com>
Date: Sat, 10 Oct 2015 18:49:24 +0200
Subject: [PATCH] update history

---
 HISTORY.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/HISTORY.md b/HISTORY.md
index 426c075..805edc5 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,9 @@
+## 1.7.4 (2015-10-10)
+
+* set up single unity source file for prefix header generation.
+* increase MSVC default PCH memory to 128M.
+* remove obsolete code.
+
 ## 1.7.3 (2015-07-25)
 
 * handle language standard target properties (e.g., `CXX_STANDARD`).