Generate ChangeLog.

2 files changed, 13 insertions, 1 deletions

diff --git a/Makefile.am b/Makefile.am
index 5ae8b1b..dbcd47b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -115,7 +115,16 @@ uninstall-hook:
 really-clean: distclean
 	rm -Rf $(srcdir)/aclocal.m4 $(srcdir)/autom4te.cache/ \
 		$(srcdir)/configure \
-		$(srcdir)/build-aux/ $(srcdir)/INSTALL $(srcdir)/Makefile.in
+		$(srcdir)/build-aux/ $(srcdir)/INSTALL $(srcdir)/Makefile.in \
+		$(srcdir)/ChangeLog
+
+dist-hook:
+	if [ -d '$(srcdir)/.git' ]; then \
+		printf 'Generated file.  Do not edit.\n\n' \
+			>'$(distdir)/ChangeLog~'; \
+		git log --stat >>'$(distdir)/ChangeLog~'; \
+		mv '$(distdir)/ChangeLog~' '$(distdir)/ChangeLog'; \
+	fi
 
 test:
 	@set -e; \
diff --git a/autogen.sh b/autogen.sh
index c90bb39..e4043f8 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -7,6 +7,9 @@ srcdir="${0%/*}"
 {(
 	cd "${srcdir}"
 	[ -d build-aux ] || mkdir build-aux
+	cat >ChangeLog <<-EOF
+This file is generated upon release.  Run \`git log\` for a list of changes.
+EOF
 	aclocal
 	autoconf
 	automake --add-missing --copy