diff -r bd2e3c3b4547 -r 1edc62f9ba3a make/autoconf/spec.gmk.in
--- a/make/autoconf/spec.gmk.in	Mon Jul 23 17:32:04 2018 +0200
+++ b/make/autoconf/spec.gmk.in	Mon Jul 23 11:38:28 2018 -0400
@@ -165,6 +165,9 @@
 VERSION_INTERIM := @VERSION_INTERIM@
 VERSION_UPDATE := @VERSION_UPDATE@
 VERSION_PATCH := @VERSION_PATCH@
+VERSION_EXTRA1 := @VERSION_EXTRA1@
+VERSION_EXTRA2 := @VERSION_EXTRA2@
+VERSION_EXTRA3 := @VERSION_EXTRA3@
 # The pre-release identifier (string)
 VERSION_PRE := @VERSION_PRE@
 # The build number (numerical)
@@ -203,6 +206,9 @@
     -DVERSION_INTERIM=$(VERSION_INTERIM) \
     -DVERSION_UPDATE=$(VERSION_UPDATE) \
     -DVERSION_PATCH=$(VERSION_PATCH) \
+    -DVERSION_EXTRA1=$(VERSION_EXTRA1) \
+    -DVERSION_EXTRA2=$(VERSION_EXTRA2) \
+    -DVERSION_EXTRA3=$(VERSION_EXTRA3) \
     -DVERSION_PRE='"$(VERSION_PRE)"' \
     -DVERSION_BUILD=$(VERSION_BUILD) \
     -DVERSION_OPT='"$(VERSION_OPT)"' \