[src/trunk]: src/external/bsd/dhcpcd/dist/src Allow dhcpcd to be built withou...

[roy <roy%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6c04be800793
branches:  trunk
changeset: 458002:6c04be800793
user:      roy <roy%NetBSD.org@localhost>
date:      Fri Jul 26 10:47:29 2019 +0000

description:
Allow dhcpcd to be built without ARP support for SMALL builds.
This is fine because the kernel supports RFC 5227 which dhcpcd uses
instead to detect and act on address duplication.

diffstat:

 external/bsd/dhcpcd/dist/src/dhcp.c |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (32 lines):

diff -r a336573f0cde -r 6c04be800793 external/bsd/dhcpcd/dist/src/dhcp.c
--- a/external/bsd/dhcpcd/dist/src/dhcp.c       Fri Jul 26 10:42:41 2019 +0000
+++ b/external/bsd/dhcpcd/dist/src/dhcp.c       Fri Jul 26 10:47:29 2019 +0000
@@ -2329,7 +2329,9 @@
        return astate;
 }
 #endif
-
+#endif /* ARP */
+
+#if defined(ARP) || defined(KERNEL_RFC5227)
 static int
 dhcp_arp_address(struct interface *ifp)
 {
@@ -2417,7 +2419,7 @@
            ia ? &ia->addr : &ifo->req_addr,
            ia ? &ia->mask : &ifo->req_mask);
        if (state->offer_len)
-#ifdef ARP
+#if defined(ARP) || defined(KERNEL_RFC5227)
                dhcp_arp_bind(ifp);
 #else
                dhcp_bind(ifp);
@@ -3210,7 +3212,7 @@
        lease->frominfo = 0;
        eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
 
-#ifdef ARP
+#if defined(ARP) || defined(KERNEL_RFC5227)
        dhcp_arp_bind(ifp);
 #else
        dhcp_bind(ifp);