From: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Date: Thu, 16 Oct 2014 13:45:19 +0000 (-0400)
Subject: Fix: preserve example files' timestamps when copying
X-Git-Tag: v2.4.3~9
X-Git-Url: https://git.lttng.org/?p=lttng-ust.git;a=commitdiff_plain;h=f336dfb6fab57a78abf36ee83fa2818338aaa680

Fix: preserve example files' timestamps when copying

This fixes an issue where examples were always being rebuilt
when performing an out of tree build since the examples were
being copied to the build directory with a timestamp more
recent than the already-built example objects.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/doc/examples/Makefile.am b/doc/examples/Makefile.am
index 1e4ef99d..3114e2cc 100644
--- a/doc/examples/Makefile.am
+++ b/doc/examples/Makefile.am
@@ -52,7 +52,7 @@ endif
 all-local:
 	@if [ x"$(srcdir)" != x"$(builddir)" ]; then \
 		for subdir in $(SUBDIRS_PROXY) $(SUBDIRS_JUL); do \
-			cp -fR $(srcdir)/$$subdir $(builddir); \
+			cp -pfR $(srcdir)/$$subdir $(builddir); \
 		done; \
 	fi; \
 	if [ x"$(shell echo "$(top_srcdir)" | grep "^/" | wc -l)" = x"1" ]; then \