From 603de9af4389d099e650db211743e4cf0980de7b Mon Sep 17 00:00:00 2001
From: =?utf8?q?Wolfgang=20St=C3=B6ggl?= <c72578@yahoo.de>
Date: Thu, 7 Dec 2017 21:43:53 +0100
Subject: [PATCH] Fix ctime_r configure error (MinGW-w64)

- configure.ac: include pthread.h inside AC_LANG_PROGRAM
  for ctime_r check if __MINGW32__ is defined
  Fixes:
  checking if ctime_r need special care to act posixly correct...
  configure: error: Can't figure how to compile ctime_r
---
 configure.ac | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 207c6cc7..991109b7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -450,7 +450,10 @@ AC_LINK_IFELSE(
     ],
     [ AC_LINK_IFELSE(
           [AC_LANG_PROGRAM(
-                [[#include <time.h>]],
+                [[#ifdef __MINGW32__
+#include <pthread.h>
+#endif
+#include <time.h>]],
                 [[ctime_r(NULL,NULL)]])],
           [AC_MSG_RESULT(no)],
           [AC_MSG_ERROR([Can't figure how to compile ctime_r])]
-- 
2.47.2