From 41fd7fa021644f71f3d80f5bab8914f8acd5180f Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Mon, 17 Nov 2014 23:47:30 +0100
Subject: build: check for mingw-w64 explicitly

And fail building if not any of MingW-w64 or POSIX are found. Obviously,
mpv needs one of those 2.
---
 wscript | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/wscript b/wscript
index a73c1f1a76..c509289fca 100644
--- a/wscript
+++ b/wscript
@@ -107,7 +107,22 @@ main_dependencies = [
         'name': 'mingw',
         'desc': 'MinGW',
         'deps': [ 'os-win32' ],
-        'func': check_statement('stddef.h', 'int x = __MINGW32__')
+        'func': check_statement('stddef.h', 'int x = __MINGW32__;'
+                                            'int y = __MINGW64_VERSION_MAJOR'),
+    }, {
+        'name': 'posix',
+        'desc': 'POSIX environment',
+        # This should be good enough.
+        'func': check_statement(['poll.h', 'unistd.h'],
+                    'struct pollfd pfd; poll(&pfd, 1, 0); fork(); int f[2]; pipe(f)'),
+    }, {
+        'name': 'posix-or-mingw',
+        'desc': 'programming environment',
+        'deps_any': [ 'posix', 'mingw' ],
+        'func': check_true,
+        'req': True,
+        'fmsg': 'Unable to find either POSIX or MinGW-w64 environment, ' \
+                'or compiler does not work.',
     }, {
         'name': 'pthreads',
         'desc': 'POSIX threads',
-- 
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