diff -up jdk8/hotspot/make/linux/Makefile.linux4 jdk8/hotspot/make/linux/Makefile
--- jdk8/hotspot/make/linux/Makefile.linux4	2015-06-09 10:14:48.000000000 -0400
+++ jdk8/hotspot/make/linux/Makefile	2015-06-09 10:14:54.000000000 -0400
@@ -229,7 +229,7 @@ checks: check_os_version check_j2se_vers
 # Solaris 2.5.1, 2.6).
 # Disable this check by setting DISABLE_HOTSPOT_OS_VERSION_CHECK=ok.
 
-SUPPORTED_OS_VERSION = 2.4% 2.5% 2.6% 3%
+SUPPORTED_OS_VERSION = 2.4% 2.5% 2.6% 3% 4%
 OS_VERSION := $(shell uname -r)
 EMPTY_IF_NOT_SUPPORTED = $(filter $(SUPPORTED_OS_VERSION),$(OS_VERSION))