configure: Add a wrapper macro for mkdir on Windows.

configure

@@ -17912,7 +17912,9 @@ esac
 
 
 
+
 for ac_func in \
+	_mkdir \
 	_pclose \
 	_popen \
 	_snprintf \

configure.ac

@@ -1370,6 +1370,7 @@ esac
 dnl **** Check for functions ****
 
 AC_CHECK_FUNCS(\
+	_mkdir \
 	_pclose \
 	_popen \
 	_snprintf \

dlls/shell32/xdg.c

@@ -46,6 +46,7 @@
  */
 
 #include "config.h"
+#include "wine/port.h"
 
 #include <stdio.h>
 #include <stdarg.h>

include/config.h.in

@@ -999,6 +999,9 @@
 /* Define if Xrender has the XRenderSetPictureTransform function */
 #undef HAVE_XRENDERSETPICTURETRANSFORM
 
+/* Define to 1 if you have the `_mkdir' function. */
+#undef HAVE__MKDIR
+
 /* Define to 1 if you have the `_pclose' function. */
 #undef HAVE__PCLOSE
 

include/wine/port.h

@@ -114,6 +114,10 @@ struct statvfs
 #define RTLD_GLOBAL  0x100
 #endif
 
+#ifdef HAVE__MKDIR
+#define mkdir(path,mode) _mkdir(path)
+#endif
+
 #if !defined(HAVE_FTRUNCATE) && defined(HAVE_CHSIZE)
 #define ftruncate chsize
 #endif