From 8f40374fca3430e3fdc2bb4933fe40f2105d24a9 Mon Sep 17 00:00:00 2001
From: Björn Persson <bjorn@rombobjörn.se>
Date: Mon, 22 Apr 2013 15:26:00 +0200
Subject: make install preserved too much.

---
 comfignat.mk | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/comfignat.mk b/comfignat.mk
index ab709ba..aea3103 100644
--- a/comfignat.mk
+++ b/comfignat.mk
@@ -85,6 +85,17 @@ stagedir = ${builddir}/stage
 # installed are written to stagedir, and then copied to their destination in
 # the installation step.
 
+ifeq (${DESTDIR},)
+   install_cp_flags =
+else   
+   install_cp_flags = --preserve=timestamps
+endif
+# Timestamps are preserved when installation is done to a staging directory. 
+# This matters for files that aren't generated during the build but copied from
+# the source tree. Timestamps are not preserved when installation is done
+# directly to the target system, because that would change the timestamps of 
+# existing directories.
+
 
 #
 # Containing makefiles should assign or append to these variables as needed:
@@ -213,7 +224,7 @@ ${stagedir}:
 
 install: ${stagedir}
 	mkdir -p "${DESTDIR}/"
-	cp -RPpf "${stagedir}"/* "${DESTDIR}/"
+	cp -RPf ${install_cp_flags} "${stagedir}"/* "${DESTDIR}/"
 .PHONY: install
 
 clean::
-- 
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