#

# Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.

# Copyright (c) 2012 Red Hat, Inc.

# 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.

#

# This code is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

# version 2 for more details (a copy is included in the LICENSE file that

# accompanied this code).

#

# You should have received a copy of the GNU General Public License version

# 2 along with this work; if not, write to the Free Software Foundation,

# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

#

# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

# or visit www.oracle.com if you need additional information or have any

# questions.

#  

#

# Linux does not build jvm_db

LIBJVM_DB =

# Only OPENJDK builds test and support SDT probes currently.

ifndef OPENJDK

REASON = "This JDK does not support SDT probes"

else

# We need a recent GCC for the default

ifeq "$(shell expr \( $(CC_VER_MAJOR) \>= 4 \) \& \( $(CC_VER_MINOR) \>= 4 \) )" "0"

REASON = "gcc version is too old"

else

# But it does have a SystemTap dtrace compatible sys/sdt.h

ifneq ($(ALT_SDT_H),)

  SDT_H_FILE = $(ALT_SDT_H)

else

  ifeq ($(USE_CLANG), true)

    # Clang doesn't support the -print-sysroot option and there is no known equivalent

    # option, so fall back to using / as sysroot

    SDT_SYSROOT=

  else

    SDT_SYSROOT=$(shell $(CXX) -print-sysroot)

  endif

  SDT_H_FILE = $(SDT_SYSROOT)/usr/include/sys/sdt.h

endif

DTRACE_ENABLED = $(shell test -f $(SDT_H_FILE) && echo $(SDT_H_FILE))

REASON = "$(SDT_H_FILE) not found"

endif # GCC version

endif # OPENJDK

DTRACE_COMMON_SRCDIR = $(GAMMADIR)/src/os/posix/dtrace

DTRACE_PROG = dtrace

DtraceOutDir = $(GENERATED)/dtracefiles

$(DtraceOutDir):

	mkdir $(DtraceOutDir)

$(DtraceOutDir)/hotspot.h: $(DTRACE_COMMON_SRCDIR)/hotspot.d | $(DtraceOutDir)

	$(QUIETLY) $(DTRACE_PROG) $(DTRACE_OPTS) -C -I. -h -o $@ -s $(DTRACE_COMMON_SRCDIR)/hotspot.d

$(DtraceOutDir)/hotspot_jni.h: $(DTRACE_COMMON_SRCDIR)/hotspot_jni.d | $(DtraceOutDir)

	$(QUIETLY) $(DTRACE_PROG) $(DTRACE_OPTS) -C -I. -h -o $@ -s $(DTRACE_COMMON_SRCDIR)/hotspot_jni.d

$(DtraceOutDir)/hs_private.h: $(DTRACE_COMMON_SRCDIR)/hs_private.d | $(DtraceOutDir)

	$(QUIETLY) $(DTRACE_PROG) $(DTRACE_OPTS) -C -I. -h -o $@ -s $(DTRACE_COMMON_SRCDIR)/hs_private.d

ifneq ($(DTRACE_ENABLED),)

CFLAGS += -DDTRACE_ENABLED

dtrace_gen_headers: $(DtraceOutDir)/hotspot.h $(DtraceOutDir)/hotspot_jni.h $(DtraceOutDir)/hs_private.h

else

dtrace_gen_headers:

	$(QUIETLY) echo "**NOTICE** Dtrace support disabled: $(REASON)"

endif

# Phony target used in vm.make build target to check whether enabled.

ifeq ($(DTRACE_ENABLED),)

dtraceCheck:

	$(QUIETLY) echo "**NOTICE** Dtrace support disabled: $(REASON)"

else

dtraceCheck:

endif

.PHONY: dtrace_gen_headers dtraceCheck

# It doesn't support HAVE_DTRACE_H though.