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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/openjdk-multiarch-jdk8u
 Path: blob/aarch64-shenandoah-jdk8u272-b10/hotspot/make/linux/makefiles/dtrace.make
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#

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

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# Copyright (c) 2012 Red Hat, Inc.

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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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#

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# This code is free software; you can redistribute it and/or modify it

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# under the terms of the GNU General Public License version 2 only, as

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# published by the Free Software Foundation.

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#

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

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

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

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

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# accompanied this code).

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#

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

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

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

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#

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

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

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# questions.

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#  

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#

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# Linux does not build jvm_db

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LIBJVM_DB =

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# Only OPENJDK builds test and support SDT probes currently.

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ifndef OPENJDK

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REASON = "This JDK does not support SDT probes"

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else

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# We need a recent GCC for the default (4.4 or later)

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ifeq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 4 \) \) \| \( $(CC_VER_MAJOR) \>= 5 \) )" "0"

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REASON = "gcc version is too old"

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else

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

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ifneq ($(ALT_SDT_H),)

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  SDT_H_FILE = $(ALT_SDT_H)

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else

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  SDT_H_FILE = /usr/include/sys/sdt.h

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endif

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

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REASON = "$(SDT_H_FILE) not found"

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ifneq ($(DTRACE_ENABLED),)

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  CFLAGS += -DDTRACE_ENABLED

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endif

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endif

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endif

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

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.PHONY: dtraceCheck

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ifeq ($(DTRACE_ENABLED),)

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dtraceCheck:

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

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else

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dtraceCheck:

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endif

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# It doesn't support HAVE_DTRACE_H though.

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