[Makefile.am] Minor cleanup

diff --git a/Makefile.am b/Makefile.am
index 59d3f02..78156f5 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -56,11 +56,14 @@ MAINTAINERCLEANFILES = \
 
 ### ChangeLog generation
 
+CHANGELOG_START = 1.23.0^^
+
 ChangeLog: $(srcdir)/ChangeLog
 $(srcdir)/ChangeLog:
        @echo Creating $@
        @if test -d "$(srcdir)/.git"; then \
-         (GIT_DIR=$(top_srcdir)/.git ./missing --run git log 1.23.0^^.. --stat) | fmt --split-only > $@.tmp \
+         (GIT_DIR=$(top_srcdir)/.git ./missing --run \
+          git log $(CHANGELOG_START).. --stat) | fmt --split-only > $@.tmp \
          && mv -f $@.tmp $@ \
          || ($(RM) $@.tmp; \
              echo Failed to generate ChangeLog, your ChangeLog may be outdated >&2; \