diff --git a/cross/arm-softfp/sources.list.jessie b/cross/arm-softfp/sources.list.jessie
new file mode 100644
index 0000000000..4d142ac9b1
--- /dev/null
+++ b/cross/arm-softfp/sources.list.jessie
@@ -0,0 +1,3 @@
+# Debian (sid)   # UNSTABLE
+deb http://ftp.debian.org/debian/ sid main contrib non-free
+deb-src http://ftp.debian.org/debian/ sid main contrib non-free
diff --git a/cross/arm/sources.list.jessie b/cross/arm/sources.list.jessie
new file mode 100644
index 0000000000..4d142ac9b1
--- /dev/null
+++ b/cross/arm/sources.list.jessie
@@ -0,0 +1,3 @@
+# Debian (sid)   # UNSTABLE
+deb http://ftp.debian.org/debian/ sid main contrib non-free
+deb-src http://ftp.debian.org/debian/ sid main contrib non-free
diff --git a/cross/arm/sources.list.trusty b/cross/arm/sources.list.trusty
new file mode 100644
index 0000000000..07d8f88d82
--- /dev/null
+++ b/cross/arm/sources.list.trusty
@@ -0,0 +1,11 @@
+deb http://ports.ubuntu.com/ubuntu-ports/ trusty main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ trusty main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ trusty-updates main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ trusty-updates main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ trusty-backports main restricted
+deb-src http://ports.ubuntu.com/ubuntu-ports/ trusty-backports main restricted
+
+deb http://ports.ubuntu.com/ubuntu-ports/ trusty-security main restricted universe multiverse
+deb-src http://ports.ubuntu.com/ubuntu-ports/ trusty-security main restricted universe multiverse
\ No newline at end of file
diff --git a/cross/arm/sources.list.vivid b/cross/arm/sources.list.vivid
new file mode 100644
index 0000000000..0b1215e475
--- /dev/null
+++ b/cross/arm/sources.list.vivid
@@ -0,0 +1,11 @@
+deb http://ports.ubuntu.com/ubuntu-ports/ vivid main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ vivid main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ vivid-updates main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ vivid-updates main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ vivid-backports main restricted
+deb-src http://ports.ubuntu.com/ubuntu-ports/ vivid-backports main restricted
+
+deb http://ports.ubuntu.com/ubuntu-ports/ vivid-security main restricted universe multiverse
+deb-src http://ports.ubuntu.com/ubuntu-ports/ vivid-security main restricted universe multiverse
\ No newline at end of file
diff --git a/cross/arm/sources.list.wily b/cross/arm/sources.list.wily
new file mode 100644
index 0000000000..e23d1e02a0
--- /dev/null
+++ b/cross/arm/sources.list.wily
@@ -0,0 +1,11 @@
+deb http://ports.ubuntu.com/ubuntu-ports/ wily main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ wily main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ wily-updates main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ wily-updates main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ wily-backports main restricted
+deb-src http://ports.ubuntu.com/ubuntu-ports/ wily-backports main restricted
+
+deb http://ports.ubuntu.com/ubuntu-ports/ wily-security main restricted universe multiverse
+deb-src http://ports.ubuntu.com/ubuntu-ports/ wily-security main restricted universe multiverse
\ No newline at end of file
diff --git a/cross/arm/sources.list.xenial b/cross/arm/sources.list.xenial
new file mode 100644
index 0000000000..eacd86b7df
--- /dev/null
+++ b/cross/arm/sources.list.xenial
@@ -0,0 +1,11 @@
+deb http://ports.ubuntu.com/ubuntu-ports/ xenial main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ xenial-updates main restricted universe
+deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-updates main restricted universe
+
+deb http://ports.ubuntu.com/ubuntu-ports/ xenial-backports main restricted
+deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-backports main restricted
+
+deb http://ports.ubuntu.com/ubuntu-ports/ xenial-security main restricted universe multiverse
+deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-security main restricted universe multiverse
\ No newline at end of file
diff --git a/cross/build-rootfs.sh b/cross/build-rootfs.sh
new file mode 100755
index 0000000000..75f77c43d5
--- /dev/null
+++ b/cross/build-rootfs.sh
@@ -0,0 +1,96 @@
+#!/usr/bin/env bash
+
+usage()
+{
+    echo "Usage: $0 [BuildArch] [UbuntuCodeName] [lldbx.y]"
+    echo "BuildArch can be: arm(default), arm-softfp, x86"
+    echo "UbuntuCodeName - optional, Code name for Ubuntu, can be: trusty(default), vivid, wily, xenial. If BuildArch is arm-softfp, UbuntuCodeName is ignored."
+    echo "lldbx.y - optional, LLDB version, can be: lldb3.6(default), lldb3.8"
+
+    exit 1
+}
+
+__UbuntuCodeName=trusty
+
+__CrossDir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+__InitialDir=$PWD
+__BuildArch=arm
+__UbuntuArch=armhf
+__UbuntuRepo="http://ports.ubuntu.com/"
+__UbuntuPackagesBase="build-essential libunwind8-dev gettext symlinks liblttng-ust-dev libicu-dev"
+__LLDB_Package="lldb-3.6-dev"
+__UnprocessedBuildArgs=
+
+for i in "$@"
+    do
+        lowerI="$(echo $i | awk '{print tolower($0)}')"
+        case $lowerI in
+        -?|-h|--help)
+            usage
+            exit 1
+            ;;
+        arm)
+            __BuildArch=arm
+            __UbuntuArch=armhf
+            ;;
+        arm-softfp)
+            __BuildArch=arm-softfp
+            __UbuntuArch=armel
+            __UbuntuRepo="http://ftp.debian.org/debian/"
+            __UbuntuCodeName=jessie
+            ;;
+        x86)
+            __BuildArch=x86
+            __UbuntuArch=i386
+            __UbuntuRepo="http://archive.ubuntu.com/ubuntu/"
+            ;;
+        lldb3.6)
+            __LLDB_Package="lldb-3.6-dev"
+            ;;
+        lldb3.8)
+            __LLDB_Package="lldb-3.8-dev"
+            ;;
+        vivid)
+            if [ "$__UbuntuCodeName" != "jessie" ]; then
+                __UbuntuCodeName=vivid
+            fi
+            ;;
+        wily)
+            if [ "$__UbuntuCodeName" != "jessie" ]; then
+                __UbuntuCodeName=wily
+            fi
+            ;;
+        xenial)
+            if [ "$__UbuntuCodeName" != "jessie" ]; then
+                __UbuntuCodeName=xenial
+            fi
+            ;;
+        jessie)
+            __UbuntuCodeName=jessie
+            __UbuntuRepo="http://ftp.debian.org/debian/"
+            ;;
+        *)
+            __UnprocessedBuildArgs="$__UnprocessedBuildArgs $i"
+            ;;
+    esac
+done
+
+__RootfsDir="$__CrossDir/rootfs/$__BuildArch"
+__UbuntuPackages="$__UbuntuPackagesBase $__LLDB_Package"
+
+if [[ -n "$ROOTFS_DIR" ]]; then
+    __RootfsDir=$ROOTFS_DIR
+fi
+
+if [ -d "$__RootfsDir" ]; then
+    umount $__RootfsDir/*
+    rm -rf $__RootfsDir
+fi
+
+qemu-debootstrap --arch $__UbuntuArch $__UbuntuCodeName $__RootfsDir $__UbuntuRepo
+cp $__CrossDir/$__BuildArch/sources.list.$__UbuntuCodeName $__RootfsDir/etc/apt/sources.list
+chroot $__RootfsDir apt-get update
+chroot $__RootfsDir apt-get -f -y install
+chroot $__RootfsDir apt-get -y install $__UbuntuPackages
+chroot $__RootfsDir symlinks -cr /usr
+umount $__RootfsDir/*
diff --git a/cross/x86/sources.list.trusty b/cross/x86/sources.list.trusty
new file mode 100644
index 0000000000..9b3085436e
--- /dev/null
+++ b/cross/x86/sources.list.trusty
@@ -0,0 +1,11 @@
+deb http://archive.ubuntu.com/ubuntu/ trusty main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ trusty main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ trusty-backports main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ trusty-backports main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse
diff --git a/cross/x86/sources.list.vivid b/cross/x86/sources.list.vivid
new file mode 100644
index 0000000000..26d37b20fc
--- /dev/null
+++ b/cross/x86/sources.list.vivid
@@ -0,0 +1,11 @@
+deb http://archive.ubuntu.com/ubuntu/ vivid main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ vivid main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ vivid-updates main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ vivid-updates main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ vivid-backports main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ vivid-backports main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ vivid-security main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ vivid-security main restricted universe multiverse
diff --git a/cross/x86/sources.list.wily b/cross/x86/sources.list.wily
new file mode 100644
index 0000000000..c4b0b442ab
--- /dev/null
+++ b/cross/x86/sources.list.wily
@@ -0,0 +1,11 @@
+deb http://archive.ubuntu.com/ubuntu/ wily main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ wily main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ wily-updates main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ wily-updates main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ wily-backports main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ wily-backports main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ wily-security main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ wily-security main restricted universe multiverse
diff --git a/cross/x86/sources.list.xenial b/cross/x86/sources.list.xenial
new file mode 100644
index 0000000000..ad9c5a0144
--- /dev/null
+++ b/cross/x86/sources.list.xenial
@@ -0,0 +1,11 @@
+deb http://archive.ubuntu.com/ubuntu/ xenial main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ xenial main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ xenial-backports main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ xenial-backports main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse