CMake: spurious errors from keras and friends...

...

-- Cling will look for C++ headers in '/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1' at runtime.

-- And if not found, will invoke: '/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++' for them.

Running /Users/axel/build/root/src/build/unix/compiledata.sh

Changing include/compiledata.h

-- Failed to find Python module keras: Traceback (most recent call last):

  File "<string>", line 1, in <module>

ImportError: No module named keras

-- Could NOT find py_keras (missing:  PY_KERAS)

-- Failed to find Python module theano: Traceback (most recent call last):

  File "<string>", line 1, in <module>

ImportError: No module named theano

-- Could NOT find py_theano (missing:  PY_THEANO)

-- Failed to find Python module tensorflow: Traceback (most recent call last):

  File "<string>", line 1, in <module>

ImportError: No module named tensorflow

-- Could NOT find py_tensorflow (missing:  PY_TENSORFLOW)

-- 272/682 tutorials have been vetoed for various reasons

-- Check for bitness: Found 64 bit architecture.

-- Scanning subdirectories for tests...

-- Failed to find Python module IPython: Traceback (most recent call last):

  File "<string>", line 1, in <module>

ImportError: No module named IPython

-- Could NOT find py_IPython (missing:  PY_IPYTHON)

-- Failed to find Python module IPython: Traceback (most recent call last):

  File "<string>", line 1, in <module>

ImportError: No module named IPython

-- Could NOT find py_IPython (missing:  PY_IPYTHON)

-- Configuring done