+# We do not use m4_esyscmd_s to support older autoconf.
+define([VERSION_STRING], m4_esyscmd(git describe 2>/dev/null | sed 's/^v//' | tr -d '\n'))
+m4_ifval(VERSION_STRING, [], [define([VERSION_STRING], VERSION_NUMBER)])
+
+AC_INIT([netdata], VERSION_STRING[]VERSION_SUFFIX)