[gimp-help-2] Changed ChangeLog generation target.

[Roman Joost <romanofski src gnome org>]

commit 593407826b0656f14636cf72789ec56f6e9d6f27
Author: Roman Joost <romanofski gimp org>
Date:   Sat May 30 19:18:55 2009 +1000

    Changed ChangeLog generation target.
    
    The ChangeLog is now generated and includes changes since the last
    release.
---
 Makefile.am |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 2f57a0f..234aefa 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -11,6 +11,9 @@ SUBDIRS = quickreference
 # HIDE FROM AUTOMAKE #LANGUAGES ?= de en es fr it ko nl no pl ru sv
 # HIDE FROM AUTOMAKE #endif
 
+# used for creating the ChangeLog
+LAST_RELEASE_TAG = GIMP_HELP_2_4_2
+
 XML_LANG = en
 PO_LANGS = $(filter-out $(XML_LANG), $(LANGUAGES))
 
@@ -830,7 +833,7 @@ generate-changelog:
 		echo Creating ChangeLog && \
 		( cd "$(top_srcdir)" && \
 		  echo '# Generated by Makefile. Do not edit.'; echo; \
-		  $(top_srcdir)/missing --run git log --stat ) > ChangeLog.tmp \
+		  $(top_srcdir)/missing --run git log --stat -t $(LAST_RELEASE_TAG) ) > ChangeLog.tmp \
 		&& mv -f ChangeLog.tmp $(top_distdir)/ChangeLog \
 		|| ( rm -f ChangeLog.tmp ; \
 			echo Failed to generate ChangeLog >&2 ); \