jace/build.sh

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#!/bin/sh
# Building Jace requies:
#
# * Maven
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# * Java 1.8 JDK
#
# On OSX the easiest way to install Maven is to use brew
#
# brew install maven
#
#
# Troubleshooting:
# ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.3:compile (default-compile) on project jace: Fatal error compiling: invalid target release: 1.8 -> [Help 1]
# org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.3:compile (default-compile) on project jace: Fatal error compiling
#
# Cause: You probably have the Java 1.8 RUNTIME installed but Maven is (trying to) use the Java 1.7 COMPILER.
# OR : You probably have Java 1.7 installed but Maven is (trying to) use Java 1.8
# Reference: http://stackoverflow.com/questions/24705877/cant-get-maven-to-recognize-java-1-8
#
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# 0. Here is some information to clear up the confusion about Java:
#
# The JRE (runtime) is needed to RUN Java programs.
# The JDK (compiler) is needed to COMPILTE Java programs.
#
# Solution:
#
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# 1. Check which verison of Java that Maven is using
#
# mvn -version
#
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# 2. Check which version of the Java JRE is installed:
#
# java -version
#
# You should see something like this:
#
# java version "1.8.0_66"
# Java(TM) SE Runtime Environment (build 1.8.0_66-b17)
#
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# 3. Check which version of the Java JDK is installed:
#
# javac -version
#
# If you see something like this:
#
# javac 1.7.0_75
#
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# Then you will need to proceed to the next step, else you can skip it.
#
# 4. Install Java 1.8 JDK (if necessary)
#
# You can download the JDK either via the GUI or the command line:
# http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
#
# To download from the command line:
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#
# For OSX
# curl -L -O -H "Cookie: oraclelicense=accept-securebackup-cookie" -k "https://edelivery.oracle.com/otn-pub/java/jdk/8u66-b17/jdk-8u66-macosx-x64.dmg"
# open jdk-8u66-macosx-x64.dmg
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# Double-click on the .pkg
#
# For Linux
# curl -L -O -H "Cookie: oraclelicense=accept-securebackup-cookie" -k "https://edelivery.oracle.com/otn-pub/java/jdk/8u20-b26/jdk-8u20-linux-i586.tar.gz"
#
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# Reference:
# Commands / shell script to download JDK / JRE / Java binaries from Oracle website from terminal / shell / command line / command prompt.
# https://gist.github.com/P7h/9741922
#
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# 5. Lastly, verify that JAVA_HOME is set:
#
# echo ${JAVA_HOME}
#
# If it is blank (or not set), set it via:
#
# export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)
#
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# Then you can (finally!) build JACE. Whew!
#
# Note: Changing the maven project file 'pom.xml' to use Java 1.7 *won't* work:
# <plugin>
# <groupId>org.apache.maven.plugins</groupId>
# <artifactId>maven-compiler-plugin</artifactId>
# <version>3.3</version>
# <configuration>
# <source>1.7</source>
# <target>1.7</target>
#
# As the source code is using Java 1.8 langauge features.
if [[ -z "$JAVA_HOME" ]]; then
echo "WARNING: JAVA_HOME was not set"
echo "... Defaulting to Java 1.8..."
export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)
echo "... JAVA_HOME=${JAVA_HOME}"
fi
#mvn clean install -X
mvn install -DskipTests=true -Dmaven.javadoc.skip=true -B -V