Add script for packing the build

Author: JakubVanek

build/build.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
-cd /build/jdk9u
+set -e
+
+pushd /build/jdk9u
 
 # refresh patched build system
 bash ./common/autoconf/autogen.sh
@@ -36,5 +38,5 @@ bash ./configure --with-boot-jdk=/opt/jdkcross/jdk-9.0.1 \
 #                              BUILD_NM="gcc-nm"
 
 
-# start building
+# start the build
 make clean images

build/fetch.sh

@@ -1,14 +1,17 @@
 #!/usr/bin/env bash
+set -e
 
 # clone the root project
-cd /build
+pushd /build
 hg clone http://hg.openjdk.java.net/jdk-updates/jdk9u/
-cd jdk9u
+pushd jdk9u
 
 # clone the rest of the tree
 bash ./get_source.sh
 
 # apply the EV3-specific patches
+#  - build flags for arm926ej-s
 patch -p1            < /opt/jdkcross/ev3.patch
+#  - use the system-provided floating point implementation
 patch -p1 -d hotspot < /opt/jdkcross/float.patch
 

build/zip.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# enter images directory
+pushd /build/jdk9u/build/linux-arm-normal-client-release/images
+
+# build ev3 runtime image
+/opt/jdkcross/jdk-9.0.1/bin/jlink \
+   --module-path ./jmods/ \
+   --endian little \
+   --compress 0 \
+   --strip-debug \
+   --add-modules java.se \
+   --output ./jre-ev3
+
+# rename jdk directory
+mv ./jdk ./jdk-ev3
+
+# create zip files
+zip -r /build/jdk-ev3.zip jdk-ev3
+zip -r /build/jre-ev3.zip jre-ev3
+
+popd