make/linux/Makefile

@  rev 7387 : 8074312: Enable hotspot builds on 4.x Linux kernels
|  Summary: Add "4" to list of allowable versions
|  Reviewed-by: dholmes, mikael

*** 1,7 ****
  #
! # Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  #
  # This code is free software; you can redistribute it and/or modify it
  # under the terms of the GNU General Public License version 2 only, as
  # published by the Free Software Foundation.
--- 1,7 ----
  #
! # Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  #
  # This code is free software; you can redistribute it and/or modify it
  # under the terms of the GNU General Public License version 2 only, as
  # published by the Free Software Foundation.
*** 227,237 ****
  
  # We do not want people accidentally building on old systems (e.g. Linux 2.2.x,
  # 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%
  OS_VERSION := $(shell uname -r)
  EMPTY_IF_NOT_SUPPORTED = $(filter $(SUPPORTED_OS_VERSION),$(OS_VERSION))
  
  check_os_version:
  ifeq ($(DISABLE_HOTSPOT_OS_VERSION_CHECK)$(EMPTY_IF_NOT_SUPPORTED),)
--- 227,237 ----
  
  # We do not want people accidentally building on old systems (e.g. Linux 2.2.x,
  # 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% 4%
  OS_VERSION := $(shell uname -r)
  EMPTY_IF_NOT_SUPPORTED = $(filter $(SUPPORTED_OS_VERSION),$(OS_VERSION))
  
  check_os_version:
  ifeq ($(DISABLE_HOTSPOT_OS_VERSION_CHECK)$(EMPTY_IF_NOT_SUPPORTED),)