[LU-18784] Add systemd check for dkms-debs builds

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.17.0
• Severity: 3
• Assignee: Shaun Tancheff
• Reporter: Shaun Tancheff

Description

Add systemd support for dkms builds:

$ git diff
diff --git a/autoMakefile.am b/autoMakefile.am
index 5f572cd971..241b60109c 100644
--- a/autoMakefile.am
+++ b/autoMakefile.am
@@ -544,6 +544,10 @@ dkms-debs: undef.h debs_common
        export DEB_BUILD_PROFILES="client"; \
        export KERNEL_OBJ="$(LINUX_OBJ)"; \
        export KERNEL_SRC="$(LINUX)"; \
+       if test "x@systemdsystemunitdir@" != "x"; then \
+               export DEB_BUILD_PROFILES="$${DEB_BUILD_PROFILES} systemd"; \
+               export SYSTEMD_OPTIONS="--with-systemdsystemunitdir=@systemdsystemunitdir@"; \
+       fi; \
        echo "Enabled Build Profiles: $${DEB_BUILD_PROFILES}"; \
        tmpprofiles=`tr ' ' ',' <<< $$DEB_BUILD_PROFILES`; \
        echo "Kernel Source: $${KERNEL_SRC}"; \ 

Without this the associated lustre-client-utils fails to include lnet.service. With the fix applied:

$ dpkg --contents debs/lustre-client-utils_*.deb | grep lnet.service
-rw-r--r-- root/root       412 2025-03-07 17:57 ./usr/lib/systemd/system/lnet.service