From 803ee34370dec043cd5ff83cf485787b4ce7c285 Mon Sep 17 00:00:00 2001
From: Eli Zaretskii <eliz@gnu.org>
Date: Sat, 30 Mar 2013 10:24:02 +0300
Subject: [PATCH] Fixed problem with mmsystem.h during configure.

---
 configure.ac | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index e077fdc1d02..5ed6aed23d5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1160,7 +1160,12 @@ AC_DEFUN([PKG_CHECK_MODULES], [
 if test "${with_sound}" != "no"; then
   # Sound support for GNU/Linux, the free BSDs, and MinGW.
   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h,
-    have_sound_header=yes)
+    have_sound_header=yes, [], [
+    #ifdef __MINGW32__
+    #define WIN32_LEAN_AND_MEAN
+    #include <windows.h>
+    #endif
+    ])
   # Emulation library used on NetBSD.
   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
   AC_SUBST(LIBSOUND)
-- 
2.39.2