windows: fixed mingw problem with vsnprintf

configure.in

@@ -8,7 +8,6 @@ AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE(bomberclone, 0.11.7p1)
 AM_CONFIG_HEADER(config.h)
 
-
 AC_EXEEXT
 AC_OBJEXT
 
@@ -19,6 +18,10 @@ AC_HEADER_STDC
 
 AC_C_INLINE
 
+AC_FUNC_VPRINTF
+AC_CHECK_FUNCS(vsnprintf)
+dnl AC_LIB_RPATH
+
 dnl Checks for programs.
 
 
@@ -67,13 +70,23 @@ esac
 dnl Debug ************************************
 AC_ARG_ENABLE(debug, [  --disable-debug          Disable Debuging ])
 if test x$enable_debug = xno ; then
-	CFLAGS="$CFLAGS -Wall"
+	CFLAGS="$CFLAGS"
 else
-	CFLAGS="$CFLAGS -Wall -ggdb -O0"
+	CFLAGS="$CFLAGS -ggdb -O0"
 	LDFLAGS="$LDFLAGS -ggdb"
 	AC_MSG_WARN(Enable Debuging)
 fi
 
+dnl All Warning are Errors ************************
+AC_ARG_ENABLE(werror, [  --disable-werror          Disable Warning as Error Treatment ])
+if test x$enable_werror = xno ; then
+	CFLAGS="$CFLAGS -Wall"
+	AC_MSG_WARN(Disable Warning as Error Treatment)
+else
+	CFLAGS="$CFLAGS -Wall -Werror"
+fi
+
+
 dnl SDL_image library *****************************
 AC_CHECK_LIB(SDL_image, IMG_LoadPNG_RW, , AC_MSG_ERROR([
 *** Unable to find SDL_image libary with PNG support

include/sysfunc.h

@@ -1,4 +1,4 @@
-/* $Id: sysfunc.h,v 1.7 2005/08/07 17:46:20 stpohle Exp $ */
+/* $Id: sysfunc.h,v 1.8 2006/08/08 19:49:39 stpohle Exp $ */
 /* include some system near functions */
 
 #ifndef _SYSFUNC_H_
@@ -54,6 +54,14 @@ extern _direntry *s_dirfilter (_direntry *dirstart, signed char dirflags);
 	#endif
 #endif
 
+/*
+ * somehow this works.. 
+ * something missing in the stdarg.h file?
+ */
+#ifndef HAVE_VSNPRINTF
+	#define vsnprintf _vsnprintf
+#endif
+
 extern inline void s_calctimesync ();
 extern void rect_clipping (SDL_Rect *src, SDL_Rect *dest, SDL_Rect *window, SDL_Rect *csrc, SDL_Rect *cdest);
 extern void charlist_fillarraypointer (_charlist *list, int c);