diff -r 61edd5c7412e make/linux/Makefile
--- a/make/linux/Makefile	Mon Mar 02 18:12:06 2015 +0000
+++ b/make/linux/Makefile	Tue Mar 03 15:58:13 2015 +0100
@@ -233,7 +233,7 @@
 # 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))