From: Roy Marples <roy@marples.name>
Date: Tue, 23 Dec 2014 09:40:14 +0000 (+0000)
Subject: undef CMSG_SPACE and use our own define for platforms where CMSG_SPACE does
X-Git-Tag: v6.7.0~31
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=71b002d46eb76e8ee3c6c1e6cf4d16a2da2aecff;p=thirdparty%2Fdhcpcd.git

undef CMSG_SPACE and use our own define for platforms where CMSG_SPACE does
not evaluate to a compile time constant, such as QNX.
Thanks to Will Miles.
---

diff --git a/ipv6.h b/ipv6.h
index 8e46ebc2..794604bb 100644
--- a/ipv6.h
+++ b/ipv6.h
@@ -143,6 +143,11 @@ struct ipv6_state {
 #define IPV6_CSTATE(ifp)						       \
 	((const struct ipv6_state *)(ifp)->if_data[IF_DATA_IPV6])
 
+/* dhcpcd requires CMSG_SPACE to evaluate to a compile time constant. */
+#ifdef __QNX__
+#undef CMSG_SPACE
+#endif
+
 #ifndef ALIGNBYTES
 #define ALIGNBYTES (sizeof(int) - 1)
 #endif