From 8e75c40c8690ed9ad1c0d629f5ef3a58f4030b65 Mon Sep 17 00:00:00 2001
From: Hiroshi Miura <miurahr@linux.com>
Date: Wed, 22 Jan 2020 08:42:01 +0900
Subject: [PATCH] CMake: change minimum version requirement and add comments
 (#1172)

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
---
 CMakeLists.txt | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9cd40572..ffebedaf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,11 @@
+# Minimum requirement for CMake version.
+#   3.13 or later for Linux and Mac OSX.
+#      it causes error for build with cmake 3.12 or earlier.
+#   3.12 or later for Windows
+#      because Qt5.9 only support MSVC2017,
+#      and MSVC2017 is integrated with cmake 3.12.
 cmake_policy(SET CMP0042 NEW)
-cmake_minimum_required (VERSION 3.13)
+cmake_minimum_required (VERSION 3.12)
 project(VNote VERSION 2.8.2
         DESCRIPTION "VNote is a markdown note taking application"
         HOMEPAGE_URL "https://tamlok.github.io/vnote"