diff -p -up rp-pppoe-3.8/src/configure.in.pppox rp-pppoe-3.8/src/configure.in --- rp-pppoe-3.8/src/configure.in.pppox 2006-04-02 16:29:42.000000000 +0200 +++ rp-pppoe-3.8/src/configure.in 2008-03-08 00:19:43.000000000 +0100 @@ -25,6 +25,7 @@ AC_CHECK_HEADERS(linux/if_pppox.h, [], [ #include<sys/socket.h> #include<net/ethernet.h> #include<linux/if.h> +#include<linux/in.h> ]) dnl Checks for typedefs, structures, and compiler characteristics. @@ -157,6 +158,7 @@ fi AC_TRY_RUN([#include <sys/socket.h> #include <net/ethernet.h> #include <linux/if.h> +#include <linux/in.h> #include <linux/if_pppox.h> int main() {