From a1259e0a1481b3621ebcc285b76a2ea43ca223c8 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 17 Jun 2014 03:09:27 +0200
Subject: [PATCH] build-sys: touch /usr on "make install"

this way, the "make install" will be detected as offline update on next
boot.
---
 Makefile.am | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index 66eda9949..0213c3846 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -297,10 +297,14 @@ define install-relative-aliases
 	done
 endef
 
+install-touch-usr-hook:
+	touch -c $(DESTDIR)/$(prefix)
+
 INSTALL_EXEC_HOOKS += \
 	install-target-wants-hook \
 	install-directories-hook \
-	install-aliases-hook
+	install-aliases-hook \
+	install-touch-usr-hook
 
 # ------------------------------------------------------------------------------
 AM_V_M4 = $(AM_V_M4_$(V))
-- 
2.30.2