Makefile: fix VERSION again

The variable is not undefined anymore after the first assignment, so
we should check if variable is empty instead.

diff --git a/Makefile b/Makefile
index c69e2dfcd2bb97a3f9aa5cac52338be4c42561e5..02e2c4b5fd5ccc734ae60c27e8529ec7c43e1389 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,13 @@
 -include dracut-version.sh
 
 DRACUT_MAIN_VERSION ?= $(shell env GIT_CEILING_DIRECTORIES=$(CWD)/.. git describe --abbrev=0 --tags --always 2>/dev/null || :)
-DRACUT_MAIN_VERSION ?= $(DRACUT_VERSION)
+ifeq ($(DRACUT_MAIN_VERSION),)
+DRACUT_MAIN_VERSION = $(DRACUT_VERSION)
+endif
 DRACUT_FULL_VERSION ?= $(shell env GIT_CEILING_DIRECTORIES=$(CWD)/.. git describe --tags --always 2>/dev/null || :)
-DRACUT_FULL_VERSION ?= $(DRACUT_VERSION)
+ifeq ($(DRACUT_FULL_VERSION),)
+DRACUT_FULL_VERSION = $(DRACUT_VERSION)
+endif
 
 -include Makefile.inc