--- pidgin-2.7.0/configure.ac.old	2010-05-19 16:14:37.353493050 +0800
+++ pidgin-2.7.0/configure.ac	2010-05-19 16:14:57.627765006 +0800
@@ -156,6 +156,8 @@
 		[AC_DEFINE([HAVE_GETADDRINFO]) LIBS="-lsocket -lsnl $LIBS"], , , -lnsl)])
 AC_CHECK_FUNCS(inet_ntop)
 AC_CHECK_FUNCS(getifaddrs)
+AC_CHECK_MEMBERS(struct ifaddrs.ifa_addr->ss_family,[],[],[[ #include <ifaddrs.h> 
+#include <net/if.h> ]])
 dnl Check for socklen_t (in Unix98)
 AC_MSG_CHECKING(for socklen_t)
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
--- pidgin-2.7.0/libpurple/network.c.old	2010-05-19 16:14:46.440830715 +0800
+++ pidgin-2.7.0/libpurple/network.c	2010-05-19 16:38:25.005674810 +0800
@@ -57,6 +57,16 @@
 #include <idna.h>
 #endif
 
+/* Since OpenSolaris build 137, RFC2553 is supported
+ * so ifa_addr member of "struct ifaddrs" has type
+ * "struct sockaddr_storage" 
+ */
+#ifdef HAVE_STRUCT_IFADDRS_IFA_ADDR__SS_FAMILY
+#define ADDR_FAMILY_MEMBER ss_family
+#else
+#define ADDR_FAMILY_MEMBER sa_family
+#endif
+
 /*
  * Calling sizeof(struct ifreq) isn't always correct on
  * Mac OS X (and maybe others).
@@ -219,7 +229,7 @@
 	}
 
 	for (ifa = start; ifa; ifa = ifa->ifa_next) {
-		int family = ifa->ifa_addr ? ifa->ifa_addr->sa_family : AF_UNSPEC;
+		int family = ifa->ifa_addr ? ifa->ifa_addr->ADDR_FAMILY_MEMBER: AF_UNSPEC;
 		char host[INET6_ADDRSTRLEN];
 		const char *tmp = NULL;
 
@@ -265,7 +275,7 @@
 		ifr = (struct ifreq *)tmp;
 		tmp += HX_SIZE_OF_IFREQ(*ifr);
 
-		if (ifr->ifr_addr.sa_family == AF_INET) {
+		if (ifr->ifr_addr.ADDR_FAMILY_MEMBER == AF_INET) {
 			struct sockaddr_in *sinptr = (struct sockaddr_in *)&ifr->ifr_addr;
 
 			inet_ntop(AF_INET, &sinptr->sin_addr, dst,