From 0a1b96c38340ee5dc52a4bb3e2b147a4c1459e02 Mon Sep 17 00:00:00 2001
From: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Date: Fri, 27 May 2016 18:47:24 +0300
Subject: [PATCH] Add configure checks for iSER support

Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
---
 configure.ac | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/configure.ac b/configure.ac
index d3e052d..1952e6d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -99,6 +99,18 @@ if test x"$libiscsi_cv_HAVE_SG_IO" = x"yes"; then
     AC_DEFINE(HAVE_SG_IO,1,[Whether we have SG_IO support])
 fi
 
+AC_CACHE_CHECK([for iSER support],libiscsi_cv_HAVE_LINUX_ISER,[
+AC_TRY_COMPILE([
+#include <infiniband/verbs.h>
+#include <rdma/rdma_cma.h>
+#include <rdma/rdma_verbs.h>],
+[int ibv = IBV_WC_SEND;],
+libiscsi_cv_HAVE_LINUX_ISER=yes,libiscsi_cv_HAVE_LINUX_ISER=no)])
+if test x"$libiscsi_cv_HAVE_LINUX_ISER" = x"yes"; then
+    AC_DEFINE(HAVE_LINUX_ISER,1,[Whether we have iSER support])
+fi
+AM_CONDITIONAL([HAVE_LINUX_ISER], [test $libiscsi_cv_HAVE_LINUX_ISER = yes])
+
 AC_MSG_CHECKING(whether libcunit is available)
 ac_save_CFLAGS="$CFLAGS"
 ac_save_LIBS="$LIBS"