aoqi@0: #
aoqi@0: # Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0: # Copyright (c) 2012 Red Hat, Inc.
aoqi@0: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0: #
aoqi@0: # This code is free software; you can redistribute it and/or modify it
aoqi@0: # under the terms of the GNU General Public License version 2 only, as
aoqi@0: # published by the Free Software Foundation.
aoqi@0: #
aoqi@0: # This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0: # version 2 for more details (a copy is included in the LICENSE file that
aoqi@0: # accompanied this code).
aoqi@0: #
aoqi@0: # You should have received a copy of the GNU General Public License version
aoqi@0: # 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0: #
aoqi@0: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0: # or visit www.oracle.com if you need additional information or have any
aoqi@0: # questions.
aoqi@0: #  
aoqi@0: #
aoqi@0: 
aoqi@0: # Linux does not build jvm_db
aoqi@0: LIBJVM_DB =
aoqi@0: 
aoqi@0: # Only OPENJDK builds test and support SDT probes currently.
aoqi@0: ifndef OPENJDK
aoqi@0: REASON = "This JDK does not support SDT probes"
aoqi@0: else
aoqi@0: 
ysuenaga@7856: # We need a recent GCC for the default (4.4 or later)
ysuenaga@7856: ifeq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 4 \) \) \| \( $(CC_VER_MAJOR) \>= 5 \) )" "0"
aoqi@0: REASON = "gcc version is too old"
aoqi@0: else
aoqi@0: 
aoqi@0: # But it does have a SystemTap dtrace compatible sys/sdt.h
aoqi@0: ifneq ($(ALT_SDT_H),)
aoqi@0:   SDT_H_FILE = $(ALT_SDT_H)
aoqi@0: else
aoqi@0:   SDT_H_FILE = /usr/include/sys/sdt.h
aoqi@0: endif
aoqi@0: DTRACE_ENABLED = $(shell test -f $(SDT_H_FILE) && echo $(SDT_H_FILE))
aoqi@0: REASON = "$(SDT_H_FILE) not found"
aoqi@0: 
aoqi@0: ifneq ($(DTRACE_ENABLED),)
aoqi@0:   CFLAGS += -DDTRACE_ENABLED
aoqi@0: endif
aoqi@0: 
aoqi@0: endif
aoqi@0: endif
aoqi@0: 
aoqi@0: # Phony target used in vm.make build target to check whether enabled.
aoqi@0: .PHONY: dtraceCheck
aoqi@0: ifeq ($(DTRACE_ENABLED),)
aoqi@0: dtraceCheck:
aoqi@0: 	$(QUIETLY) echo "**NOTICE** Dtrace support disabled: $(REASON)"
aoqi@0: else
aoqi@0: dtraceCheck:
aoqi@0: endif
aoqi@0: 
aoqi@0: # It doesn't support HAVE_DTRACE_H though.
aoqi@0: