commit 8b5dedf17dc90e713fcca777ae7bdae85717df7b
Author: Ake Sandgren <ake.sandgren@hpc2n.umu.se>
Date:   Thu Oct 18 13:07:43 2018 +0200

    Adjust OFED check for DKMS enabled MLNX OFED.
     - The DKMS packaging of MLNX OFED doesn't have /usr/src/ofa_kernel/default as part of the package, it is created as a link during package installation.

diff --git a/lnet/autoconf/lustre-lnet.m4 b/lnet/autoconf/lustre-lnet.m4
index 8607f57..bd735e7 100644
--- a/lnet/autoconf/lustre-lnet.m4
+++ b/lnet/autoconf/lustre-lnet.m4
@@ -114,7 +114,7 @@ case $with_o2ib in
 				OFED_INFO="ofed_info"
 				LSPKG="rpm -ql"
 			])
-			O2IBPATHS=$(eval $OFED_INFO | egrep -w 'mlnx-ofed-kernel-dkms|mlnx-ofa_kernel-devel|compat-rdma-devel|kernel-ib-devel|ofa_kernel-devel' | xargs $LSPKG | grep '\(/openib\|/ofa_kernel/default\)$' | head -n1)
+			O2IBPATHS=$(eval $OFED_INFO | egrep -w 'mlnx-ofed-kernel-dkms|mlnx-ofa_kernel-devel|compat-rdma-devel|kernel-ib-devel|ofa_kernel-devel' | xargs $LSPKG | grep '\(/openib\|/ofa_kernel/default\|/ofa_kernel\)$' | head -n1)
 			AS_IF([test -z "$O2IBPATHS"], [
 				AC_MSG_ERROR([
 You seem to have an OFED installed but have not installed it's devel package.
@@ -129,6 +129,9 @@ If you still want to build Lustre for your OFED I/B stack, you need to install a
 Instead, if you want to build Lustre for your kernel's built-in I/B stack rather than your installed OFED stack, either remove the OFED package(s) or use --with-o2ib=no.
 					     ])
 			])
+                        if [ -e $O2IBPATHS/default ]; then
+                            O2IBPATHS=$O2IBPATHS/default
+                        fi
 			OFED="yes"
 		], [
 			O2IBPATHS="$LINUX $LINUX/drivers/infiniband"