gzip optim, links for size

ci-scripts/cls_containerize.py

@@ -579,7 +579,7 @@ class Containerize():
 			lUserName = self.eNB2UserName
 			lPassWord = self.eNB2Password
 		lSsh.open(lIpAddr, lUserName, lPassWord)
-		lSsh.command('docker save ' + self.imageToCopy + ':' + imageTag + ' | gzip > ' + self.imageToCopy + '-' + imageTag + '.tar.gz', '\$', 60)
+		lSsh.command('docker save ' + self.imageToCopy + ':' + imageTag + ' | gzip --fast > ' + self.imageToCopy + '-' + imageTag + '.tar.gz', '\$', 60)
 		lSsh.copyin(lIpAddr, lUserName, lPassWord, '~/' + self.imageToCopy + '-' + imageTag + '.tar.gz', '.')
 		lSsh.command('rm ' + self.imageToCopy + '-' + imageTag + '.tar.gz', '\$', 60)
 		lSsh.close()

cmake_targets/tools/build_helper

@@ -237,8 +237,9 @@ compilations() {
      echo_error "$2 compilation failed"
      exit 1
   fi
-  if [ -s $3 ] ; then
-     cp $3 $4
+  if [ -s "$3" ] ; then
+     rm -f "$4"
+     ln -s "$PWD/$3" "$4"
      echo_success "$2 compiled"
      check_warnings "$dlog/$2.$REL.txt"
   else