From 6c4d3330267fe8f8f3e5899f268ceff1b6b1f4ca Mon Sep 17 00:00:00 2001
From: Eugene Golushkov <e.golushkov@nospam_gmail.com>
Date: Mon, 21 May 2018 13:10:57 +0300
Subject: [PATCH] fixed build in WinRT mode, where some API are not available

---
 src/tz.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/tz.cpp b/src/tz.cpp
index 64495c3..b975171 100644
--- a/src/tz.cpp
+++ b/src/tz.cpp
@@ -117,6 +117,14 @@
 // gcc/mingw supports unistd.h on Win32 but MSVC does not.
 
 #ifdef _WIN32
+#  ifdef WINAPI_FAMILY
+#    include <winapifamily.h>
+#    if WINAPI_FAMILY != WINAPI_FAMILY_DESKTOP_APP
+#      define WINRT
+#      define INSTALL .
+#    endif
+#  endif
+
 #  include <io.h> // _unlink etc.
 
 #  if defined(__clang__)
@@ -173,6 +181,7 @@ static CONSTDATA char folder_delimiter = '/';
 #if !USE_OS_TZDB
 
 #  ifdef _WIN32
+#    ifndef WINRT
 
 namespace
 {
@@ -212,6 +221,7 @@ get_download_folder()
     return get_known_folder(FOLDERID_Downloads);
 }
 
+#    endif // WINRT
 #  else // !_WIN32
 
 #    if !defined(INSTALL) || HAS_REMOTE_API