--- a/make/RunTestsPrebuiltSpec.gmk	Fri Nov 15 16:10:29 2019 +0100
+++ b/make/RunTestsPrebuiltSpec.gmk	Wed Nov 06 18:06:36 2019 +0100
@@ -175,6 +175,7 @@
 EXPR := expr
 FILE := file
 HG := hg
+ULIMIT := ulimit
 
 # On Solaris gnu versions of some tools are required.
 ifeq ($(OPENJDK_BUILD_OS), solaris)