ported double tracking from TC

apps/ci/ci-compile.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -e
+
+echo "compile core"
+export CCACHE_CPP2=true
+export CCACHE_MAXSIZE='500MB'
+export CCACHE_COMPRESS=1
+ccache -s
+./acore.sh "compiler" "all"
+ccache -s