#

# Copyright (c) 2018, 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.  Oracle designates this

# particular file as subject to the "Classpath" exception as provided

# by Oracle in the LICENSE file that accompanied this code.

#

# 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

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#

# This must be the first rule

default: all

include $(SPEC)

include MakeBase.gmk

include JavaCompilation.gmk

include SetupJavaCompilers.gmk

ifeq ($(JMH_CORE_JAR), )

  $(info Error: JMH is missing. Please use configure --with-jmh.)

  $(error Cannot continue)

endif

#### Variables

MICROBENCHMARK_SRC := $(TOPDIR)/test/micro/classes

MICROBENCHMARK_JAR := $(IMAGES_OUTPUTDIR)/test/micro/microbenchmarks.jar

MICROBENCHMARK_OUTPUT := $(SUPPORT_OUTPUTDIR)/test/micro

MICROBENCHMARK_CLASSES := $(MICROBENCHMARK_OUTPUT)/classes

MICROBENCHMARK_JAR_BIN := $(MICROBENCHMARK_OUTPUT)/jar

JMH_UNPACKED_DIR := $(MICROBENCHMARK_OUTPUT)/jmh_jars

JMH_UNPACKED_JARS_DONE := $(JMH_UNPACKED_DIR)/_unpacked.marker

# External dependencies

JMH_COMPILE_JARS := $(JMH_CORE_JAR) $(JMH_GENERATOR_JAR)

JMH_RUNTIME_JARS := $(JMH_CORE_JAR) $(JMH_COMMONS_MATH_JAR) $(JMH_JOPT_SIMPLE_JAR)

MICROBENCHMARK_CLASSPATH := $(call PathList, $(JMH_COMPILE_JARS))

###

# Need double \n to get new lines and no trailing spaces

MICROBENCHMARK_MANIFEST := Build: $(FULL_VERSION)\n\

\nJMH-Version: $(JMH_VERSION)\n\

\nName: OpenJDK Microbenchmark Suite

#### Compile Targets

# Building microbenchmark requires the jdk.unsupported and java.management modules,

# and to have sjavac disabled.

$(eval $(call SetupJavaCompiler, MICROBENCHMARK_JAVA_COMPILER, \

    JAVAC := $(NEW_JAVAC), \

    DISABLE_SJAVAC := true, \

    FLAGS := --upgrade-module-path $(JDK_OUTPUTDIR)/modules --system none $(DISABLE_WARNINGS), \

    SERVER_DIR := $(SJAVAC_SERVER_DIR), \

    SERVER_JVM := $(SJAVAC_SERVER_JAVA), \

))

# Build microbenchmark suite for the current JDK

$(eval $(call SetupJavaCompilation, BUILD_JDK_MICROBENCHMARK, \

    SETUP := MICROBENCHMARK_JAVA_COMPILER, \

    ADD_JAVAC_FLAGS := -cp $(MICROBENCHMARK_CLASSPATH) -Xlint -Werror, \

    SRC := $(MICROBENCHMARK_SRC), \

    BIN := $(MICROBENCHMARK_CLASSES), \

))

$(BUILD_JDK_MICROBENCHMARK): $(JMH_COMPILE_JARS)

# Unpacking dependencies for inclusion in the benchmark JARs

$(JMH_UNPACKED_JARS_DONE): $(JMH_RUNTIME_JARS)

	$(RM) -r $(JMH_UNPACKED_DIR)

	$(MKDIR) -p $(JMH_UNPACKED_DIR)

	$(foreach jar, $(JMH_RUNTIME_JARS), \

            $$($(UNZIP) -oq $(jar) -d $(JMH_UNPACKED_DIR)))

	$(RM) -r $(JMH_UNPACKED_DIR)/META-INF

	$(RM) $(JMH_UNPACKED_DIR)/*.xml

	$(TOUCH) $@

# Create benchmarks JAR file with benchmarks for both the old and new JDK

$(eval $(call SetupJarArchive, BUILD_JDK_JAR, \

    DEPENDENCIES := $(BUILD_JDK_MICROBENCHMARK) $(JMH_UNPACKED_JARS_DONE), \

    SRCS := $(MICROBENCHMARK_CLASSES) $(JMH_UNPACKED_DIR) $(MICROBENCHMARK_RES), \

    BIN := $(MICROBENCHMARK_JAR_BIN), \

    SUFFIXES := .*, \

    EXCLUDE_FILES:= _the.BUILD_JDK_MICROBENCHMARK_batch \

        _the.BUILD_JDK_MICROBENCHMARK.vardeps _unpacked.marker, \

    EXTRA_MANIFEST_ATTR := $(MICROBENCHMARK_MANIFEST), \

    JARMAIN := org.openjdk.jmh.Main, \

    JAR := $(MICROBENCHMARK_JAR), \

))

all: $(MICROBENCHMARK_JAR)

.PHONY: all