message: Allowing override of common_env.sh python directory.
diff: @@ -32,16 +32,18 @@ mkdir -p "$TMPDIR"
  # Set bash path
  export BAZEL_SH=${BAZEL_SH:-"C:/tools/msys64/usr/bin/bash"}
  +export PYTHON_BASE_PATH="${PYTHON_DIRECTORY:-Program Files/Anaconda3}"
  +
  # Set Python path for ./configure
  -export PYTHON_BIN_PATH="C:/Program Files/Anaconda3/python.exe"
  -export PYTHON_LIB_PATH="C:/Program Files/Anaconda3/lib/site-packages"
  +export PYTHON_BIN_PATH="C:/${PYTHON_BASE_PATH}/python.exe"
  +export PYTHON_LIB_PATH="C:/${PYTHON_BASE_PATH}/lib/site-packages"
  # Add python into PATH, it's needed because gen_git_source.py uses
  # '/usr/bin/env python' as a shebang
  -export PATH="/c/Program Files/Anaconda3:$PATH"
  +export PATH="/c/${PYTHON_BASE_PATH}:$PATH"
  # Make sure we have pip in PATH
  -export PATH="/c/Program Files/Anaconda3/Scripts:$PATH"
  +export PATH="/c/${PYTHON_BASE_PATH}/Scripts:$PATH"
  # Add Cuda and Cudnn dll directories into PATH
  export PATH="/c/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v8.0/bin:$PATH"
  