From c51a54c15f51579804030c70592c0a26065f1242 Mon Sep 17 00:00:00 2001
From: Steve Lhomme <robux4@ycbcr.xyz>
Date: Thu, 28 May 2020 13:26:18 +0200
Subject: [PATCH] detect winstore builds with a regular mingw32 toolchain

It's trigerred with a mingw32winrt or mingw32uwp toolchain.

Forcing the WINAPI_FAMILY should be enough to trigger the winstore mode.
---
 configure.ac | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/configure.ac b/configure.ac
index 490432a..c6f07cb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -35,6 +35,20 @@ AS_CASE([${host_os}],
         AM_CONDITIONAL([WINDOWS_STORE], [true])
         DLLIB="$(DLLIB) -ldxgi"
     ],
+    [mingw32], [
+        AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
+          [[#include <winapifamily.h>
+           #if WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP)
+           # error Win32 Desktop build
+           #endif
+          ]],[[;]])
+        ],[
+            AM_CONDITIONAL([WINDOWS_STORE], [true])
+            DLLIB="$(DLLIB) -ldxgi"
+        ],[
+            AM_CONDITIONAL([WINDOWS_STORE], [false])
+        ])
+    ],
     [
         AM_CONDITIONAL([WINDOWS_STORE], [false])
     ]
-- 
2.26.0.windows.1