--- src/lib/libast/misc/fs3d.c
+++ src/lib/libast/misc/fs3d.c	2007-09-13 18:28:57.279134727 +0200
@@ -47,7 +47,8 @@
 	/*
 	 * get the current setting
 	 */
-
+	if (getenv("LD_PRELOAD") == (char*)0)
+		goto nope;
 	if (!fsview && mount("", "", 0, NiL))
 		goto nope;
 	if (FS3D_op(op) == FS3D_OP_INIT && mount(FS3D_init, NiL, FS3D_VIEW, NiL))
--- src/lib/libast/include/fs3d.h
+++ src/lib/libast/include/fs3d.h	2007-09-13 18:28:57.279134727 +0200
@@ -95,7 +95,13 @@
 #define FS3D_SIZE(n)	((n)<<4)
 #define FS3D_SIZEOF(n)	((n)>>4)
 
+#if _sys_mount && defined(__linux__)
+#include <sys/mount.h>
+#define mount(source,target,flags,data)	\
+			mount((source),(target),"",(flags),(data))
+#else
 extern int		mount(const char*, char*, int, void*);
+#endif
 
 #if _BLD_ast && defined(__EXPORT__)
 #define extern		__EXPORT__