[datasketches-memory] branch single-build-script created (now 3a1d7b8)

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      at 3a1d7b8  WIP - Add build script to compile JAR for single JVM

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[datasketches-memory] 01/01: WIP - Add build script to compile JAR for single JVM

[dc...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

dcromberge pushed a commit to branch single-build-script
in repository https://gitbox.apache.org/repos/asf/datasketches-memory.git

commit 3a1d7b87bc45017d36cf7e258121e494ed27183a
Author: David Cromberge <dc...@apache.org>
AuthorDate: Wed Aug 25 19:42:17 2021 +0100

    WIP - Add build script to compile JAR for single JVM
---
 scripts/compile-package-jar.sh | 151 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)

diff --git a/scripts/compile-package-jar.sh b/scripts/compile-package-jar.sh
new file mode 100755
index 0000000..5e8ad35
--- /dev/null
+++ b/scripts/compile-package-jar.sh
@@ -0,0 +1,151 @@
+#!/bin/bash -e
+
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# This is a general bash script to build a java version-specific
+# datasketches-memory-X.jar without multi-release functionality.
+# This is intended to be used for developers compiling from source
+# who do not wish to install several versions of java on their
+# machine.
+# The script does not assume a POM file and does not use Maven.
+# It does use git, SVN, and uses the script getGitProperties.sh
+
+#  Optional Input Parameters:
+#  \$1 = absolute path of Java home directory
+#  \$2 = Git Version Tag for this deployment
+#       Example tag for SNAPSHOT         : 1.0.0-SNAPSHOT
+#       Example tag for Release Candidate: 1.0.0-RC1
+#       Example tag for Release          : 1.0.0
+#  \$3 = absolute path of project.basedir
+#  For example:  $ <this script>.sh $JAVA_HOME 2.0.0-RC1 .
+
+if [ -z "$1" ]; then echo "Missing java.home";               exit 1; fi
+if [ -z "$2" ]; then echo "Missing Git Version";             exit 1; fi
+if [ -z "$3" ]; then echo "Missing project.basedir";         exit 1; fi
+
+# Setup absolute directory references
+ScriptsDir=$(pwd)
+
+## Extract JavaHome and Version from input parameters:
+JavaHome=$1
+Version=$2
+ProjectBaseDir=$3 #this must be an absolute path
+
+####Move to project directory####
+cd ${ProjectBaseDir}
+
+#### Use JAVA_HOME to set required executables ####
+if [[ -n "$JavaHome" ]] && [[ -x "${JavaHome}/bin/java" ]]; then
+  Java_="${JavaHome}/bin/java"
+else
+  echo "No java version could be found."; exit 1;
+fi
+
+if [[ -n "$JavaHome" ]] && [[ -x "${JavaHome}/bin/javac" ]]; then
+  Javac_="${JavaHome}/bin/javac"
+else
+  echo "No javac version could be found."; exit 1;
+fi
+
+if [[ -n "$JavaHome" ]] && [[ -x "${JavaHome}/bin/jar" ]]; then
+  Jar_="${JavaHome}/bin/jar"
+else
+  echo "No jar version could be found."; exit 1;
+fi
+
+#### Parse java -version into major version number ####
+if [[ "$Java_" ]]; then
+  JavaVersion=$("$Java_" -version 2>&1 | head -1 | cut -d'"' -f2 | sed '/^1\./s///' | cut -d'.' -f1)
+else
+  echo "No version information could be determined from installed java."; exit 1;
+fi
+
+#### Cleanup and setup output directories ####
+OutputDir=target
+OutputJar=${OutputDir}/org.apache.datasketches.memory-${Version}.jar
+
+PackageDir=${OutputDir}/package
+PackageSrc=${PackageDir}/src
+PackageContents=${PackageDir}/contents
+PackageMeta=${PackageDir}/META-INF
+
+MemoryJava8Src=datasketches-memory-java8/src/main/java
+MemoryJava9Src=datasketches-memory-java9/src/main/java
+MemoryJava11Src=datasketches-memory-java11/src/main/java
+
+echo
+echo "--- CLEAN & COMPILE ---"
+rm -r $OutputDir
+mkdir -p $PackageSrc
+mkdir -p $PackageContents
+mkdir -p $PackageMeta
+
+#### Copy LICENSE and NOTICE ####
+cp LICENSE $PackageMeta
+cp NOTICE $PackageMeta
+
+#### Copy base tree to target/src
+rsync -a $MemoryJava8Src $PackageSrc
+
+# version too low
+if [[ $JavaVersion -lt 8 ]]; then
+  echo "Java version not supported: " $JavaVersion; exit 1;
+
+# version 8
+elif [[ $JavaVersion -lt 9 ]]; then
+  echo "Compiling with java version $JavaVersion..."
+  ${Javac_} -d $PackageContents $(find $PackageSrc -name '*.java')
+
+# version 9 or 10
+elif [[ $JavaVersion -lt 11 ]]; then
+  echo "Compiling with java version $JavaVersion..."
+  #### Copy java 9 src tree to target/src, overwriting replacements
+  rsync -a $MemoryJava9Src $PackageSrc
+  # Compile with JPMS exports
+  ${Javac_} \
+    --add-exports java.base/jdk.internal.ref=org.apache.datasketches.memory \
+    --add-exports java.base/sun.nio.ch=org.apache.datasketches.memory \
+    -d $PackageContents $(find $PackageSrc -name '*.java')
+
+# version 11, 12 or 13
+elif [[ $JavaVersion -lt 14 ]]; then
+  echo "Compiling with java version $JavaVersion..."
+  #### Copy java 9 src tree to target/src, overwriting replacements
+  rsync -a $MemoryJava9Src $PackageSrc
+  #### Copy java 11 src tree to target/src, overwriting replacements
+  rsync -a $MemoryJava11Src $PackageSrc
+  # Compile with JPMS exports
+   ${Javac_} \
+   --add-exports java.base/jdk.internal.ref=org.apache.datasketches.memory \
+   --add-exports java.base/sun.nio.ch=org.apache.datasketches.memory \
+   -d $PackageContents $(find $PackageSrc -name '*.java')
+
+# version too high
+else
+  echo "Java version not supported: " $JavaVersion; exit 1;
+fi
+echo
+echo "--- JAR ---"
+echo "Building Jar from ${PackageContents}..."
+${Jar_} cf $OutputJar -C $PackageContents .
+echo
+echo "--- JAR CONTENTS ---"
+${Jar_} tf ${OutputJar}
+echo
+echo "Successfully built ${OutputJar}"
+

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