Adds VM building.

Author: tcr

.travis.yml

@@ -28,7 +28,7 @@ before_install:
 
 install:
 - yes | gcloud compute instances delete travis-instance --zone us-central1-b || true
-- gcloud compute instances create travis-instance --zone us-central1-b --image ubuntu-14-04 --machine-type n1-highcpu-32 --boot-disk-size 64 --scopes compute-rw
+- gcloud compute instances create travis-instance --zone us-central1-b --image ubuntu-14-04 --machine-type n1-highcpu-32 --boot-disk-size 200 --scopes compute-rw
 - |
   while [ 1 ]; do
     gcloud compute ssh travis-instance --zone us-central1-b --command 'exit 0' -- -o ConnectTimeout=10 > /dev/null 2>&1 && break
@@ -43,20 +43,20 @@ script:
   gcloud compute ssh travis-instance --zone us-central1-b --command '
   set -e
   set -x
-
-  sudo mkdir /tmp/ramdisk
-  sudo chmod 777 /tmp/ramdisk
-  sudo mount -t tmpfs -o size=14G tmpfs /tmp/ramdisk/
   
   sudo apt-get update -qq
   sudo apt-get install -y software-properties-common
   sudo apt-add-repository -y ppa:terry.guo/gcc-arm-embedded
   sudo apt-get update -qq
   sudo apt-get install -y build-essential git-core g++ subversion libncurses-dev libssl-dev unzip gettext gcc-arm-none-eabi
-  cp -rf ~/openwrt-tessel /tmp/ramdisk/openwrt-tessel
-  cd /tmp/ramdisk/openwrt-tessel
+
+  cd ~/openwrt-tessel
+  git submodule update --init --recursive
+  cp -rf ~/openwrt-tessel ~/vm
+  pushd ~/vm
   git submodule update --init --recursive
-  make -j64 || make -j64 || make -j64 || make -j64 || make -j64 V=s
+  make -j64 TARGET=vm || make -j64 TARGET=vm || make -j64 TARGET=vm || make -j64 TARGET=vm || make -j64 TARGET=vm V=s
+  popd
   '
 
 #after_script: