Hi, The story continues, I added the include, I also had to add netinet/ip.h The this shows up: CC icmp-ping.o icmp-ping.c:229:44: error: incomplete definition of type 'struct iphdr' pkt = (struct icmp *) (packet1 + (iphdr->ihl << 2)); /* skip ip hdr */ ~~~~~^ icmp-ping.c:227:12: note: forward declaration of 'struct iphdr' struct iphdr *iphdr = ^ icmp-ping.c:233:33: error: use of undeclared identifier 'ICMP_DEST_UNREACH' else if (pkt->icmp_type == ICMP_DEST_UNREACH) ^ icmp-ping.c:299:23: error: use of undeclared identifier 'SOL_RAW' setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, ^ icmp-ping.c:339:34: error: use of undeclared identifier 'ICMP_DEST_UNREACH' else if (pkt->icmp6_type == ICMP_DEST_UNREACH) ^ 4 errors generated. /Per -----Original Message----- From: Nikos Mavrogiannopoulos [mailto:n.mavrogiannopoulos at gmail.com] On Behalf Of Nikos Mavrogiannopoulos Sent: den 8 december 2013 08:34 To: Per Juborg Cc: openconnect-devel at lists.infradead.org Subject: Re: Error building ocserv 0.2.2 On Sun, 2013-12-08 at 00:53 +0100, Per Juborg wrote: > Hi, > > I tested bith moving it and removing the include of net/if.h, both helped. > > Then I ran in to another include in tun.c to "net/if_tun.h" that don't exist in Apple headers so I removed that one. > > Now it got a bit more complicated. Can anyone make anything out of this? > make all-recursive > Making all in gl > make all-recursive > make[4]: Nothing to be done for `all-am'. > Making all in src > Making all in pcl > make[3]: Nothing to be done for `all'. > CC icmp-ping.o > In file included from icmp-ping.c:76: > /usr/include/netinet/ip_icmp.h:92:4: error: unknown type name 'n_short'; did you mean 'u_short'? > n_short icd_id; Try adding: #include <netinet/in_systm.h> before ip_icmp.h. regards, Nikos