build: generate ChangeLog from git during dist

2 files changed, 13 insertions, 1 deletions

diff --git a/Makefile.am b/Makefile.am
index 4d2ce1aa..bde0a2aa 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -9,6 +9,19 @@ DISTCHECK_CONFIGURE_FLAGS = \
 	--enable-mbim-qmux \
 	$(NULL)
 
+ChangeLog:
+	$(AM_V_GEN) if test -d "$(srcdir)/.git"; then \
+	  (GIT_DIR=$(top_srcdir)/.git $(top_srcdir)/missing --run git log --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+	      echo Failed to generate ChangeLog, your ChangeLog may be outdated 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
+
 EXTRA_DIST = \
 	gtester.make \
 	COPYING.LIB
diff --git a/autogen.sh b/autogen.sh
index f202e3bc..7a44906f 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -14,7 +14,6 @@ PKG_NAME=libqmi
 }
 
 (cd $srcdir;
-    touch ChangeLog
     autoreconf --force --install --verbose
 )