Generate ChangeLog

Makefile.am

@@ -1,3 +1,42 @@
 SUBDIRS = src
 
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = harfbuzz.pc
+
+MAINTAINERCLEANFILES = \
+	$(srcdir)/INSTALL \
+	$(srcdir)/aclocal.m4 \
+	$(srcdir)/autoscan.log \
+	$(srcdir)/compile \
+	$(srcdir)/config.guess \
+	$(srcdir)/config.h.in \
+	$(srcdir)/config.sub \
+	$(srcdir)/configure.scan \
+	$(srcdir)/depcomp \
+	$(srcdir)/install-sh \
+	$(srcdir)/ltmain.sh \
+	$(srcdir)/missing \
+	$(srcdir)/mkinstalldirs \
+	$(srcdir)/ChangeLog \
+	`find "$(srcdir)" -type f -name Makefile.in -print`
+
+CHANGELOG_RANGE =
+
+ChangeLog: $(srcdir)/ChangeLog
+$(srcdir)/ChangeLog:
+	$(AM_V_GEN) if test -d "$(srcdir)/.git"; then \
+	  (GIT_DIR=$(top_srcdir)/.git ./missing --run \
+	   git log $(CHANGELOG_RANGE) --stat) | fmt --split-only > $@.tmp \
+	  && mv -f $@.tmp $@ \
+	  || ($(RM) $@.tmp; \
+	      echo Failed to generate ChangeLog, your ChangeLog may be outdated >&2; \
+	      (test -f $@ || echo git-log is required to generate this file >> $@)); \
+	else \
+	  test -f $@ || \
+	  (echo A git checkout and git-log is required to generate ChangeLog >&2 && \
+	  echo A git checkout and git-log is required to generate this file >> $@); \
+	fi
+.PHONY: $(srcdir)/ChangeLog
+
+
 -include $(top_srcdir)/git.mk