From fe3632e107c3def98324c3a5c0c4f8d36e01a979 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Tue, 10 Dec 2019 06:06:00 +0300
Subject: AppVeyor: Release builds only on master

---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d8717ff..c4ef536 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,6 +14,10 @@ if(MSVC_VERSION GREATER_EQUAL "1910" AND MSVC_VERSION LESS "1920")
     add_definitions(/D_SILENCE_CXX17_ALLOCATOR_VOID_DEPRECATION_WARNING)
 endif()
 
+# AppVeyor builds complain about _WIN32_WINNT not being defined.
+# Not sure what's the right thing to do about it, arbitrarily setting it to
+# target Windows 7 as described here:
+# https://docs.microsoft.com/en-gb/windows/win32/winprog/using-the-windows-headers
 if(WIN32)
     add_definitions(/DNTDDI_VERSION=NTDDI_WIN7 /D_WIN32_WINNT=_WIN32_WINNT_WIN7)
 endif()
-- 
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