Index: zaptel/Makefile
===================================================================
RCS file: /usr/cvsroot/zaptel/Makefile,v
retrieving revision 1.29
diff -u -r1.29 Makefile
--- zaptel/Makefile     21 Nov 2003 09:33:22 -0000      1.29
+++ zaptel/Makefile     11 Dec 2003 01:01:42 -0000
@@ -58,6 +58,12 @@
 #
 #KFLAGS+=-DCONFIG_ZAPATA_NET
 #
+# Uncomment -DCONFIG_OLD_HDLC_API if your are compiling with ZAPATA_NET
+# defined and you are using the old kernel HDLC interface (or if you get
+# an error about ETH_P_HDLC while compiling).
+#
+#KFLAGS+=-DCONFIG_OLD_HDLC_API
+#
 # Uncomment for Generic PPP support (i.e. ZapRAS)
 #
 #KFLAGS+=-DCONFIG_ZAPATA_PPP
Index: zaptel/zaptel.c
===================================================================
RCS file: /usr/cvsroot/zaptel/zaptel.c,v
retrieving revision 1.51
diff -u -r1.51 zaptel.c
--- zaptel/zaptel.c     9 Dec 2003 20:36:13 -0000       1.51
+++ zaptel/zaptel.c     11 Dec 2003 01:01:45 -0000
@@ -57,7 +57,7 @@
 #include <linux/if_ppp.h>
 #endif

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20)
+#ifndef CONFIG_OLD_HDLC_API
 #define NEW_HDLC_INTERFACE
 #endif