From 1333d4a71a000c4dbb0a7a528ed71ff6ef6e0248 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Sur=C3=BD?= <ondrej@sury.org>
Date: Tue, 4 Sep 2018 12:37:59 +0200
Subject: [PATCH] Remove dummy ISC_PLATFORM_HAVELIFCONF platform define

---
 configure                         | 37 -------------------------------
 configure.in                      | 20 -----------------
 lib/isc/include/isc/platform.h.in |  6 -----
 3 files changed, 63 deletions(-)

diff --git a/configure b/configure
index 53ab9f8d13..cbf970700b 100755
--- a/configure
+++ b/configure
@@ -769,7 +769,6 @@ ISC_PLATFORM_NEEDSYSSELECTH
 ISC_PLATFORM_HAVEDEVPOLL
 ISC_PLATFORM_HAVEEPOLL
 ISC_PLATFORM_HAVEKQUEUE
-ISC_PLATFORM_HAVELIFCONF
 ISC_PLATFORM_NORETURN_POST
 ISC_PLATFORM_NORETURN_PRE
 ISC_SOCKADDR_LEN_T
@@ -13880,42 +13879,6 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
 
-#
-# check if we have lifconf
-#
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct lifconf" >&5
-$as_echo_n "checking for struct lifconf... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/if.h>
-
-int
-main ()
-{
-
-struct lifconf lifconf;
-lifconf.lifc_len = 0;
-
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-		ISC_PLATFORM_HAVELIFCONF="#define ISC_PLATFORM_HAVELIFCONF 1"
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-		ISC_PLATFORM_HAVELIFCONF="#undef ISC_PLATFORM_HAVELIFCONF"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-
 #
 # check if we have kqueue
 #
diff --git a/configure.in b/configure.in
index 87e1d6efb6..04f51bc77f 100644
--- a/configure.in
+++ b/configure.in
@@ -528,26 +528,6 @@ AC_TRY_COMPILE([],[void foo() __attribute__((noreturn));],
 AC_SUBST(ISC_PLATFORM_NORETURN_PRE)
 AC_SUBST(ISC_PLATFORM_NORETURN_POST)
 
-#
-# check if we have lifconf
-#
-AC_MSG_CHECKING(for struct lifconf)
-AC_TRY_COMPILE([
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/if.h>
-],
-[
-struct lifconf lifconf;
-lifconf.lifc_len = 0;
-]
-,
-	[AC_MSG_RESULT(yes)
-		ISC_PLATFORM_HAVELIFCONF="#define ISC_PLATFORM_HAVELIFCONF 1"],
-	[AC_MSG_RESULT(no)
-		ISC_PLATFORM_HAVELIFCONF="#undef ISC_PLATFORM_HAVELIFCONF"])
-AC_SUBST(ISC_PLATFORM_HAVELIFCONF)
-
 #
 # check if we have kqueue
 #
diff --git a/lib/isc/include/isc/platform.h.in b/lib/isc/include/isc/platform.h.in
index 05fe3071bf..13e138e6e1 100644
--- a/lib/isc/include/isc/platform.h.in
+++ b/lib/isc/include/isc/platform.h.in
@@ -36,12 +36,6 @@
  *** Network.
  ***/
 
-/*! \brief
- * Define if the system has struct lifconf which is a extended struct ifconf
- * for IPv6.
- */
-@ISC_PLATFORM_HAVELIFCONF@
-
 /*! \brief
  * Define if the system has TCP_FASTOPEN socket option.
  */