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I am working on Ubuntu 18.04 and Python 3.6 and getting the following error while installing the package:

I am trying normal pip installation:

pip3 install . --user

and getting the following error message:

Processing /home/chinmay/trm-pgplot
Building wheels for collected packages: trm.pgplot
Running setup.py bdist_wheel for trm.pgplot … error
Complete output from command /usr/bin/python3 -u -c "import setuptools,
tokenize;file=’/tmp/pip-b_8sag87-build/setup.py’;f=getattr(tokenize,
‘open’, open)(file);code=f.read().replace(‘rn’,
‘n’);f.close();exec(compile(code, file, ‘exec’))" bdist_wheel -d
/tmp/tmp6x5jsk6hpip-wheel- –python-tag cp36:
running bdist_wheel
running build
running build_py
package init file ‘trm/init.py’ not found (or not a regular file)
creating build
creating build/lib.linux-x86_64-3.6
creating build/lib.linux-x86_64-3.6/trm
creating build/lib.linux-x86_64-3.6/trm/pgplot
copying trm/pgplot/init.py -> build/lib.linux-x86_64-3.6/trm/pgplot
running build_ext
building ‘trm.pgplot._pgplot’ extension
creating build/temp.linux-x86_64-3.6
creating build/temp.linux-x86_64-3.6/trm
creating build/temp.linux-x86_64-3.6/trm/pgplot
x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -DMAJOR_VERSION=0 -DMINOR_VERSION=1 -I/home/chinmay/.local/lib/python3.6/site-packages/numpy/core/include -I/usr/local/pgplot/ -I/usr/include/python3.6m -c trm/pgplot/_pgplot.c -o build/temp.linux-x86_64-3.6/trm/pgplot/_pgplot.o
In file included from /home/chinmay/.local/lib/python3.6/site-packages/numpy/core/include/numpy/ndarraytypes.h:1822:0,
from /home/chinmay/.local/lib/python3.6/site-packages/numpy/core/include/numpy/ndarrayobject.h:12,
from /home/chinmay/.local/lib/python3.6/site-packages/numpy/core/include/numpy/arrayobject.h:4,
from trm/pgplot/_pgplot.c:791:
/home/chinmay/.local/lib/python3.6/site-packages/numpy/core/include/numpy/npy_1_7_deprecated_api.h:17:2:
warning: #warning "Using deprecated NumPy API, disable it with "
"#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp] #warning "Using deprecated NumPy API, disable it with "
^~~~~~~
x86_64-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-x86_64-3.6/trm/pgplot/_pgplot.o -L/usr/X11R6/lib
-L/opt/local/lib -L/usr/local/pgplot/ -lcpgplot -lpgplot -lX11 -lm -lgfortran -lpng -lz -o build/lib.linux-x86_64-3.6/trm/pgplot/_pgplot.cpython-36m-x86_64-linux-gnu.so
/usr/bin/ld: /usr/local/pgplot//libpgplot.a(xwdriv.o): relocation R_X86_64_PC32 against symbol `stderr@@GLIBC_2.2.5′ can not
be used when making a shared object; recompile with -fPIC
/usr/bin/ld: final link failed: Bad value
collect2: error: ld returned 1 exit status
error: command ‘x86_64-linux-gnu-gcc’ failed with exit status 1

2

Answers


  1. try this: apt-get install libjpeg-dev zlib1g-dev

    then try this: pip3 install Pillow (it worked for me)

    also try updating the setup tools by: sudo pip install -U setuptools

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  2. You need c++ compiler

    sudo apt install g++
    
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