antimake: use version vars recursively

This makes sure we don't pass newer version
test accidentally, without passing older version test.

diff --git a/mk/antimake.mk b/mk/antimake.mk
index 4e2388ab66828b97be93c986787ea1279ee9ac0c..c791064c182b984a5a493029a5252a9c180e55ef 100755 (executable)
--- a/mk/antimake.mk
+++ b/mk/antimake.mk
@@ -46,9 +46,9 @@
 
 # detect GNU make version, confuse others
 $(eval GNUMAKE380=1)
-GNUMAKE381=$(or ,1)
+GNUMAKE381=$(or ,$(GNUMAKE380))
 define GNUMAKE382 =
-1
+$(GNUMAKE381)
 endef
 
 # give error of too old