--- a/make/lib/Lib-jdk.crypto.ucrypto.gmk	Fri Mar 16 16:17:17 2018 -0400
+++ b/make/lib/Lib-jdk.crypto.ucrypto.gmk	Fri Mar 16 21:40:09 2018 +0100
@@ -42,7 +42,7 @@
       LIBS := $(LIBDL), \
   ))
 
-  $(BUILD_LIBJ2UCRYPTO): $(BUILD_LIBJAVA)
+  $(BUILD_LIBJ2UCRYPTO): $(call FindLib, java.base, java)
 
   TARGETS += $(BUILD_LIBJ2UCRYPTO)