Hi,

I use theano on 10.12, Sierra as well. What version of nvcc do you use? 
XCode 7.3 supports only CUDA 8. You don't need to change versions of XCode 
or CLT. I use the same versions of these softwares as you. 

Ramana

Folks --
>
> I am stuck in version hell I suppose and need some help for running theano 
> on my Mac.
>
> Here is the config:
> Mac OS: 10.12.3 (16D32)
>
> python 2.7 (I use anaconda but I have tried the /usr-version that comes 
> with the OS as well -- same result)
>
> theano: Theano (0.9.0rc1)
> lasagne: Lasagne (0.2.dev1)
> numpy: numpy (1.12.0)
>
> Xcode: Version 7.3 (7D175)
> clang: 
> Apple LLVM version 7.3.0 (clang-703.0.29)
> Target: x86_64-apple-darwin16.4.0
> Thread model: posix
>
> Unfortunately, I cannot downgrade XCode (clang) because I need it for 
> other projects.
>
> So, here is what happens. I am working on LSTM models and have narrowed my 
> version problem down as follows: Using the code provided here: 
> http://colinraffel.com/talks/hammer2015recurrent.pdf (python file 
> attached) calls to theano.function (line 154 in the attached) result in the 
> following error message (excerpt):
>
> ======/ SNIP /============
> Problem occurred during compilation with the command line below:
> /usr/bin/clang++ -dynamiclib -g -O3 -fno-math-errno -Wno-unused-label 
> -Wno-unused-variable -Wno-write-strings -march=haswell 
> -DNPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION -m64 -fPIC -undefined 
> dynamic_lookup 
> -I/Users/thomas/anaconda/lib/python2.7/site-packages/numpy/core/include 
> -I/Users/thomas/anaconda/include/python2.7 
> -I/Users/thomas/anaconda/lib/python2.7/site-packages/theano/gof 
> -L/Users/thomas/anaconda/lib -fvisibility=hidden -o 
> /Users/thomas/.theano/compiledir_Darwin-16.4.0-x86_64-i386-64bit-i386-2.7.13-64/tmp5GtYpU/39a151e745f8754653c9e8ca5ea9cf75.so
>  
> /Users/thomas/.theano/compiledir_Darwin-16.4.0-x86_64-i386-64bit-i386-2.7.13-64/tmp5GtYpU/mod.cpp
> /Users/thomas/.theano/compiledir_Darwin-16.4.0-x86_64-i386-64bit-i386-2.7.13-64/tmp5GtYpU/mod.cpp:894:21:
>  
> warning: comparison of array 'outputs' equal to a null pointer is always 
> false [-Wtautological-pointer-compare]
>                 if (outputs == NULL) {
>                     ^~~~~~~    ~~~~
> /Users/thomas/.theano/compiledir_Darwin-16.4.0-x86_64-i386-64bit-i386-2.7.13-64/tmp5GtYpU/mod.cpp:919:54:
>  
> error: arithmetic on a pointer to void
>                                     PyArray_DATA(V3) + data_offset,
>                                     ~~~~~~~~~~~~~~~~ ^
> 1 warning and 1 error generated.
>
> Traceback (most recent call last):
>   File "lstm_baseline.py", line 154, in <module>
>     train = theano.function([l_in.input_var, target_values, 
> l_mask.input_var], cost, updates=updates)
>   File 
> "/Users/thomas/anaconda/lib/python2.7/site-packages/theano/compile/function.py",
>  
> line 326, in function
>     output_keys=output_keys)
>   File 
> "/Users/thomas/anaconda/lib/python2.7/site-packages/theano/compile/pfunc.py", 
> line 486, in pfunc
>     output_keys=output_keys)
> ======/ SNAP /============
>
> later on in theoutput:
> ======/ SNIP /============
> Exception: ('The following error happened while compiling the node', 
> Split{4}(Assert{msg='Theano Assert failed!'}.0, TensorConstant{1}, 
> MakeVector{dtype='int64'}.0), '\n', "Compilation failed (return status=1): 
> /Users/thomas/.theano/compiledir_Darwin-16.4.0-x86_64-i386-64bit-i386-2.7.13-64/tmp5GtYpU/mod.cpp:894:21:
>  
> warning: comparison of array 'outputs' equal to a null pointer is always 
> false [-Wtautological-pointer-compare].                 if (outputs == 
> NULL) {.                     ^~~~~~~    ~~~~. 
> /Users/thomas/.theano/compiledir_Darwin-16.4.0-x86_64-i386-64bit-i386-2.7.13-64/tmp5GtYpU/mod.cpp:919:54:
>  
> error: arithmetic on a pointer to void.                                     
> PyArray_DATA(V3) + data_offset,.                                     
> ~~~~~~~~~~~~~~~~ ^. 1 warning and 1 error generated.. ", '[*1 -> 
> Split{4}(<TensorType(float64, matrix)>, TensorConstant{1}, 
> <TensorType(int64, vector)>), *1::1, *1::2, *1::3]')
> ======/ SNAP /============
>
>
> Now, I know that this code works because we have it up and running on 
> another Mac with the same configuration APART from the clang version, which 
> there is:
> Apple LLVM version 7.0.2 (clang-700.1.81)
> Target: x86_64-apple-darwin14.5.0
> Thread model: posix
>
> The code also runs fine on a recent Ubuntu box.
>
> ==> So, it looks like the newer clang version is to blame for being more 
> pedantic (?) with comparisons to NULL pointers (in the generated C code). 
> Now, this behaviour is a little tricky to debug (to say the least). I have 
> quadruple checked the Python code and it looks fine. The fact that it is 
> running on two other of out machines and that the original author of it 
> (Colin Raffel -- all kudos to him for the tutorial code) is using it in his 
> tutorial tells me that my suspicion is not entirely wrong.
>
> I tried installing an older version of the command line tools for XCode 
> (essentially the c-compiler) on my box to run it in parallel to the current 
> version (which I need for other projects) but that did not work out. 
> According to the apple developer forum I would need to install the complete 
> (!) version of an older XCode package, which is not really an option.
>
>
> So, does anyone have a clue / experience / advise on this?
>
> Many thanks!
> Thomas
>

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