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When I am trying to build scikit-learn from source via the python setup.py install I receive this error: 

compiling C++ sources
C compiler: g++ -pthread -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -fPIC

compile options: '-I/home/sharan/anaconda2/envs/py36/lib/python3.6/site-packages/numpy/core/include -c'
g++: sklearn/svm/src/libsvm/libsvm_template.cpp

error: Command "g++ -pthread -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -fPIC -I/home/sharan/anaconda2/envs/py36/lib/python3.6/site-packages/numpy/core/include -c sklearn/svm/src/libsvm/libsvm_template.cpp -o build/temp.linux-x86_64-3.6/sklearn/svm/src/libsvm/libsvm_template.o -MMD -MF build/temp.linux-x86_64-3.6/sklearn/svm/src/libsvm/libsvm_template.o.d" failed with exit status 127

Command failed with exit status 127

I am building the library on Ubuntu 17.04 64-bit.

To add, all the necessary prerequisites are installed:

sudo apt-get install build-essential python3-dev python3-setuptools \
                 python3-numpy python3-scipy \
                 libatlas-dev libatlas3gf-base

sudo update-alternatives --set libblas.so.3 \
/usr/lib/atlas-base/atlas/libblas.so.3

sudo update-alternatives --set liblapack.so.3 \
/usr/lib/atlas-base/atlas/liblapack.so.3

sudo apt-get install python3-matplotlib
E.Z
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Sharan Yalburgi
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  • Please include the complete error message, or better, the complete output of python setup.py install. – Dr. Snoopy Jul 08 '17 at 13:42
  • [What is the meaning of return value 127 from $? in UNIX.](https://stackoverflow.com/questions/1763156/127-return-code-from) – Bo Persson Jul 08 '17 at 13:48

0 Answers0