TensorfFlow bazel build problem

[Tomas Fonseca]

Hello, when i want to build tf from source I do

bazel build  tensorflow/tools/pip_package:build_pip_package

Yesterday, I did this command twice and it only compiled the file I had changed, resulting in a very fast build, after the 1st one. Afterwards, I turned my PC off.

Today, I went to work on the project again, changed a file and did bazel build to check the changes. To my surprise, bazel started building everything again. This means it has to compile ~15k files which takes 2h30.

Is there a way to fix this? 

Thank you