cblas.h: No such file or directory

[flashkari]

I want to install T-SNE but I got the below error. I do not how solve this problem.

`Collecting tsne
Using cached tsne-0.1.7.tar.gz
Requirement already satisfied: Cython>=0.19.1 in ./anaconda/lib/python2.7/site-packages (from tsne)
Requirement already satisfied: numpy>=1.7.1 in ./anaconda/lib/python2.7/site-packages (from tsne)
Requirement already satisfied: scipy>=0.12.0 in ./anaconda/lib/python2.7/site-packages (from tsne)
Building wheels for collected packages: tsne
linux-x86_64-2.7/tsne/bh_sne_src/quadtree.o -msse2 -O3 -fPIC -w
cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++
tsne/bh_sne_src/quadtree.cpp:12:19: fatal error: cblas.h: No such file or directory
compilation terminated.
error: command 'gcc' failed with exit status 1

---

Failed building wheel for tsne
Running setup.py clean for tsne
Failed to build tsne
Installing collected packages: tsne
Running setup.py install for tsne ... error
Complete output from command /home/flashkar/anaconda/bin/python -u -c "import setuptools, tokenize;file='/tmp/pip-build-B5EWG_/tsne/setup.py';f=getattr(tokenize, 'open', open)(file);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, file, 'exec'))" install --record /tmp/pip-LiCecB-record/install-record.txt --single-version-externally-managed --compile:
running install
running build
running build_py
creating build
creating build/lib.linux-x86_64-2.7
creating build/lib.linux-x86_64-2.7/tsne
copying tsne/_version.py -> build/lib.linux-x86_64-2.7/tsne
copying tsne/init.py -> build/lib.linux-x86_64-2.7/tsne
creating build/lib.linux-x86_64-2.7/tsne/tests
copying tsne/tests/test_seed.py -> build/lib.linux-x86_64-2.7/tsne/tests
copying tsne/tests/test_iris.py -> build/lib.linux-x86_64-2.7/tsne/tests
copying tsne/tests/init.py -> build/lib.linux-x86_64-2.7/tsne/tests
UPDATING build/lib.linux-x86_64-2.7/tsne/_version.py
set build/lib.linux-x86_64-2.7/tsne/_version.py to '0.1.7'
running build_ext
building 'bh_sne' extension
creating build/temp.linux-x86_64-2.7
creating build/temp.linux-x86_64-2.7/tsne
creating build/temp.linux-x86_64-2.7/tsne/bh_sne_src
gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/flashkar/anaconda/lib/python2.7/site-packages/numpy/core/include -I/usr/local/include -Itsne/bh_sne_src/ -I/home/flashkar/anaconda/include/python2.7 -c tsne/bh_sne.cpp -o build/temp.linux-x86_64-2.7/tsne/bh_sne.o -msse2 -O3 -fPIC -w
cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++
gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/flashkar/anaconda/lib/python2.7/site-packages/numpy/core/include -I/usr/local/include -Itsne/bh_sne_src/ -I/home/flashkar/anaconda/include/python2.7 -c tsne/bh_sne_src/quadtree.cpp -o build/temp.linux-x86_64-2.7/tsne/bh_sne_src/quadtree.o -msse2 -O3 -fPIC -w
cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++
tsne/bh_sne_src/quadtree.cpp:12:19: fatal error: cblas.h: No such file or directory
compilation terminated.
error: command 'gcc' failed with exit status 1

----------------------------------------

Command "/home/flashkar/anaconda/bin/python -u -c "import setuptools, tokenize;file='/tmp/pip-build-B5EWG_/tsne/setup.py';f=getattr(tokenize, 'open', open)(file);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, file, 'exec'))" install --record /tmp/pip-LiCecB-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-build-B5EWG_/tsne/
`

I tried the following commands but I get the same error.

sudo apt-get install python-dev Reading package lists... Done Building dependency tree Reading state information... Done python-dev is already the newest version (2.7.11-1). 0 upgraded, 0 newly installed, 0 to remove and 22 not upgraded.

$sudo apt-get install libevent-dev Reading package lists... Done Building dependency tree Reading state information... Done libevent-dev is already the newest version (2.0.21-stable-2ubuntu0.16.04.1). 0 upgraded, 0 newly installed, 0 to remove and 22 not upgraded.

[flashkari]

this problem solve by sudo apt-get install libblas-dev libatlas-base-dev