This commit was generated by cvs2svn to compensate for changes in r2826,

[util-vserver.git] / m4 / ensc_kerneldir.m4

diff --git a/m4/ensc_kerneldir.m4 b/m4/ensc_kerneldir.m4
index bfb2cc1..0020696 100644 (file)
--- a/m4/ensc_kerneldir.m4
+++ b/m4/ensc_kerneldir.m4
@@ -1,4 +1,4 @@
-dnl $Id: ensc_kerneldir.m4,v 1.1.2.2 2004/01/26 18:21:28 ensc Exp $
+dnl $Id: ensc_kerneldir.m4,v 1.3 2004/02/14 01:20:35 ensc Exp $
 
 dnl Copyright (C) 2002 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
 dnl  
@@ -50,6 +50,8 @@ AC_DEFUN([ENSC_KERNEL_HEADERS],
                ensc_cv_path_kernelheaders=$ensc_cv_path_kerneldir/include
        ])
 
-       $1=$ensc_cv_path_kernelheaders
-       AC_SUBST($1)
+       if test x"$1" != x; then
+               $1=$ensc_cv_path_kernelheaders
+               AC_SUBST($1)
+       fi
 ])