1. get the new grpc + abseil built locally from Debian Experimental/NEW (or get patch from Yun) https://packages.debian.org/source/experimental/grpc
1. get the new grpc + [abseil](https://ftp-master.debian.org/new/abseil_0~20200225.2-1.html) built locally from Debian Experimental/NEW (or get patch from Yun) https://packages.debian.org/source/experimental/grpc
2. Build local copy of https://salsa.debian.org/java-team/checker-framework-java
2. Build local copy of https://salsa.debian.org/java-team/checker-framework-java
3. Upgrade bazel-bootstrap https://salsa.debian.org/bazel-team/bazel-bootstrap to 3.4 (mostly removing patches)
3. Upgrade bazel-bootstrap https://salsa.debian.org/bazel-team/bazel-bootstrap to 3.4 (mostly removing patches)
4. Then fork/branch https://salsa.debian.org/science-team/tensorflow , update upstream to 2.1.0 remove patches that work around bazel and add bazel-bootstrap to the build-depends.
4. Then fork/branch https://salsa.debian.org/science-team/tensorflow , update upstream to 2.1.0 remove patches that work around bazel and add bazel-bootstrap to the build-depends.