+{ $as_echo "$as_me:$LINENO: checking for getifaddrs" >&5
+$as_echo_n "checking for getifaddrs... " >&6; }
+if test "${ac_cv_have_getifaddrs+set}" = set; then
+ $as_echo_n "(cached) " >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <stdlib.h>
+ #include <unistd.h>
+ #include <arpa/inet.h>
+ #include <ifaddrs.h>
+int
+main ()
+{
+struct ifaddrs *ifa;
+ getifaddrs (&ifa);
+ ifa->ifa_next = 0;
+ ifa->ifa_addr->sa_family = 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -rf conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -rf conftest.er1
+ cat conftest.err >&5
+ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ ac_cv_have_getifaddrs=yes
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_have_getifaddrs=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_getifaddrs" >&5
+$as_echo "$ac_cv_have_getifaddrs" >&6; }
+ if test "$ac_cv_have_getifaddrs" = yes ; then
+ cat >>confdefs.h <<\_ACEOF
+#define HAVE_GETIFADDRS 1
+_ACEOF
+
+ fi