Create empty ChangeLog if we build from git tree

For releases ChangeLog is generated from ChangeLog.old, but in case we
are building directly from a git checkout and we lack ChangeLog file,
automake fails.

1 files changed, 3 insertions, 0 deletions

diff --git a/autogen.sh b/autogen.sh
index fe22daa..4058d25 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,5 +1,8 @@
 #! /bin/sh
 
+# Create empty ChangeLog if we are building from git tree
+test -f ChangeLog || touch ChangeLog
+
 autoreconf -v --install || exit 1
 
 ./configure "$@"