From 561989f2f0fc31e3d3bf8df978a9cb3d4c85af59 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@neko.keithp.com>
Date: Tue, 10 Jul 2007 21:06:51 -0700
Subject: [PATCH] Generate ChangeLog file for make dist.

Copy Makefile.am snippet which generates a complete git change history to
the ChangeLog file during the distribution generation process.
---
 Makefile.am | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index f35539e49..e382d58e7 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -64,7 +64,17 @@ aclocal_DATA = xorg-server.m4
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = xorg-server.pc
 
-EXTRA_DIST = xorg-server.pc.in xorg-server.m4
+EXTRA_DIST = xorg-server.pc.in xorg-server.m4 ChangeLog autogen.sh
+
+MAINTAINERCLEANFILES=ChangeLog
+
+.PHONY: ChangeLog
+
+ChangeLog:
+	(GIT_DIR=$(top_srcdir)/.git git-log > .changelog.tmp && mv .changelog.tmp ChangeLog; rm -f .changelog.tmp) || \
+	(touch ChangeLog; echo 'git directory not found: installing possibly empty changelog.' >&2)
+
+dist-hook: ChangeLog
 
 DIST_SUBDIRS = \
 	doc \