[chronojump] Auto-generate ChangeLog in 'make dist' using git-log

[Andoni Morales Alastruey <amorales src gnome org>]

commit 3ec40eb851b8d9b06073dea77cf48648ebb78eb3
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Wed Sep 23 21:16:14 2009 +0200

    Auto-generate ChangeLog in 'make dist' using git-log

 Makefile.am |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 57e058e..150158f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -8,3 +8,13 @@ endif
 if ENABLE_RELEASE
  SUBDIRS = chronojump_server chronopic-tests   src po manual 
 endif
+
+# Build ChangeLog from GIT history
+ChangeLog:
+	@if test -f $(top_srcdir)/.git/HEAD; then \
+		git log --pretty=format:'%ad %an <%ae>%n%s ' --stat --after="Jul 01 23:47:57 2009" > $@; \
+	fi
+
+dist: ChangeLog
+
+.PHONY: ChangeLog