Index: zaptel/Makefile =================================================================== RCS file: /usr/cvsroot/zaptel/Makefile,v retrieving revision 1.29 diff -r1.29 Makefile 60a61,66 > # Uncomment -DCONFIG_OLD_HDLC_APIif 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 > # Index: zaptel/zaptel.c =================================================================== RCS file: /usr/cvsroot/zaptel/zaptel.c,v retrieving revision 1.51 diff -r1.51 zaptel.c 60c60 < #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) --- > #ifndef CONFIG_OLD_HDLC_API