--- a/Makefile	2011-07-24 08:13:59.000000000 +0800
+++ b/Makefile	2012-01-10 07:21:20.000000000 +0800
@@ -53,8 +53,8 @@
 # but we use a local copy if we don't find it.
 #
 #KERNELSRC=/lib/modules/`uname -r`/build/
-KERNELSRC?=./linux
-OSFLAGS?= -DLINUX -I$(KERNELSRC)/include/
+KERNELSRC=/usr/src/linux
+OSFLAGS= -DLINUX -I$(KERNELSRC)/include/
 #
 # Uncomment the following to use the kernel interface under Linux
 # This requires the pppol2tp-linux-2.4.27.patch patch from contrib
@@ -62,7 +62,7 @@
 # are packages seperately (eg kernel-headers on Fedora)
 # Note: 2.6.23+ support still needs some changes in the xl2tpd source
 #
-#OSFLAGS+= -DUSE_KERNEL
+OSFLAGS+= -DUSE_KERNEL
 #
 #
 # Uncomment the next line for FreeBSD
@@ -99,10 +99,10 @@
 EXEC=xl2tpd
 CONTROL_EXEC=xl2tpd-control
 
-PREFIX?=/usr/local
+PREFIX?=/usr
 SBINDIR?=$(DESTDIR)${PREFIX}/sbin
 BINDIR?=$(DESTDIR)${PREFIX}/bin
-MANDIR?=$(DESTDIR)${PREFIX}/share/man
+MANDIR?=$(DESTDIR)${PREFIX}/man
 
 
 all: $(EXEC) pfc $(CONTROL_EXEC)