Add build shell scripts

Author: JakubVanek

build/build.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+cd /build/jdk9u
+bash ./common/autoconf/autogen.sh
+bash ./configure --with-boot-jdk=/opt/jdkcross/jdk-9.0.1 \
+                 --openjdk-target=arm-linux-gnueabi \
+                 --with-abi-profile=arm-ev3 \
+                 --enable-headless-only \
+                 --with-freetype-lib=/usr/lib/arm-linux-gnueabi \
+                 --with-freetype-include=/usr/include \
+                 --with-jvm-variants=client \
+                 --with-extra-cflags="-Wno-maybe-uninitialized -D__SOFTFP__" \
+                 --with-version-string="9.0.1" \
+                 AR="arm-linux-gnueabi-gcc-ar" \
+                 NM="arm-linux-gnueabi-gcc-nm" \
+                 BUILD_AR="gcc-ar" \
+                 BUILD_NM="gcc-nm"
+make clean images

build/fetch.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+cd /build
+hg clone http://hg.openjdk.java.net/jdk-updates/jdk9u/
+cd jdk9u
+bash ./get_source.sh
+patch -p1            < /opt/jdkcross/ev3.patch
+patch -p1 -d hotspot < /opt/jdkcross/float.patch
+