+cat << EOF > dkms.conf
+# Embryonic lustre-dkms dkms.conf to allow for on-target accurate and full
+# version re-create during first dkms add stage.
+PACKAGE_NAME=%{module}
+PACKAGE_VERSION=%{version}
+POST_ADD="lustre-dkms_post-add.sh \$module \$module_version \$kernelver \
+ \$kernel_source_dir \$arch \$source_tree \$dkms_tree"
+# at least one DEST_MODULE_LOCATION[] element, along with an install
+# path made of either "extra" or "updates" subdir, are required during
+# dkms.conf validity check of "dkms add" step.
+DEST_MODULE_LOCATION[${#DEST_MODULE_LOCATION[@]}]="/extra/lnet/"
+EOF
+
+cat << EOF > lustre-dkms_post-add.sh
+#!/bin/bash
+# \$1 : \$module
+# \$2 : \$module_version
+# \$3 : \$kernelver
+# \$4 : \$kernel_source_dir
+# \$5 : \$arch
+# \$6 : \$source_tree
+# \$7 : \$dkms_tree
+
+if [ \$1 = "lustre-client" ] ; then
+ SERVER="--disable-server"
+else
+ SPL_VERSION=\$(dkms status -m spl -k \$3/\$5 | awk -F', ' '{print \$2; exit 0}' | sed 's/: added\\\$//')
+ ZFS_VERSION=\$(dkms status -m zfs -k \$3/\$5 | awk -F', ' '{print \$2; exit 0}' | sed 's/: added\\\$//')
+
+ SERVER="--enable-server --disable-ldiskfs --with-linux=\$4 --with-linux-obj=\$4 \\
+ --with-spl=\$6/spl-\${SPL_VERSION} \\
+ --with-spl-obj=\$7/spl/\${SPL_VERSION}/\$3/\$5 \\
+ --with-zfs=\$6/zfs-\${ZFS_VERSION} \\
+ --with-zfs-obj=\$7/zfs/\${ZFS_VERSION}/\$3/\$5"
+fi
+
+rpm -qa | grep krb5-devel >/dev/null
+if [ \$? == 0 ] ; then
+ GSS="--enable-gss"
+else
+ GSS="--disable-gss"
+fi
+
+# run a configure pass to clean "--enable-dist" only effect and also to
+# ensure local/on-target environment to be taken into account
+./configure --enable-modules --disable-iokit --disable-snmp --disable-doc \\
+ --disable-utils --disable-tests --disable-maintainer-mode \\
+ \$GSS \$SERVER \\
+ --disable-manpages --disable-dlc
+# re-create dkms.conf based on this
+lustre/scripts/dkms.mkconf -n \$1 -v \$2 -f ./dkms.conf
+EOF
+
+chmod 755 lustre-dkms_post-add.sh
+