pyflow install

[wanghai111]

Compiling pyflow.pyx because it changed.
[1/1] Cythonizing pyflow.pyx
/home/hai/anaconda3/envs/tianchi/lib/python3.7/site-packages/Cython/Compiler/Main.py:367: FutureWarning: Cython directive 'language_level' not set, using 2 for now (Py2). This will change in a later release! File: /home/hai/tianchi/pyflow-master/pyflow.pyx
tree = Parsing.p_module(s, pxd, full_module_name)
running build_ext
building 'pyflow' extension
creating build
creating build/temp.linux-x86_64-3.7
creating build/temp.linux-x86_64-3.7/src
gcc -pthread -B /home/hai/anaconda3/envs/tianchi/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/hai/anaconda3/envs/tianchi/lib/python3.7/site-packages/numpy/core/include -I/home/hai/anaconda3/envs/tianchi/lib/python3.7/site-packages/numpy/core/include -I/home/hai/anaconda3/envs/tianchi/include/python3.7m -c pyflow.cpp -o build/temp.linux-x86_64-3.7/pyflow.o
cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++
In file included from /home/hai/anaconda3/envs/tianchi/lib/python3.7/site-packages/numpy/core/include/numpy/ndarraytypes.h:1824:0,
from /home/hai/anaconda3/envs/tianchi/lib/python3.7/site-packages/numpy/core/include/numpy/ndarrayobject.h:12,
from /home/hai/anaconda3/envs/tianchi/lib/python3.7/site-packages/numpy/core/include/numpy/arrayobject.h:4,
from pyflow.cpp:632:
/home/hai/anaconda3/envs/tianchi/lib/python3.7/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 "
^
gcc -pthread -B /home/hai/anaconda3/envs/tianchi/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/hai/anaconda3/envs/tianchi/lib/python3.7/site-packages/numpy/core/include -I/home/hai/anaconda3/envs/tianchi/lib/python3.7/site-packages/numpy/core/include -I/home/hai/anaconda3/envs/tianchi/include/python3.7m -c src/Coarse2FineFlowWrapper.cpp -o build/temp.linux-x86_64-3.7/src/Coarse2FineFlowWrapper.o
cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++
In file included from src/Image.h:9:0,
from src/Coarse2FineFlowWrapper.cpp:8:
src/ImageProcessing.h: In static member function ‘static void ImageProcessing::ResizeImage(const T1*, T2*, int, int, int, int, int)’:
src/ImageProcessing.h:230:60: warning: ‘memset’ used with constant zero length parameter; this could be due to transposed parameters [-Wmemset-transposed-args]
memset(pDstImage,sizeof(T2)DstWidthDstHeightnChannels,0);
^
gcc -pthread -B /home/hai/anaconda3/envs/tianchi/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/hai/anaconda3/envs/tianchi/lib/python3.7/site-packages/numpy/core/include -I/home/hai/anaconda3/envs/tianchi/lib/python3.7/site-packages/numpy/core/include -I/home/hai/anaconda3/envs/tianchi/include/python3.7m -c src/Stochastic.cpp -o build/temp.linux-x86_64-3.7/src/Stochastic.o
cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++
gcc -pthread -B /home/hai/anaconda3/envs/tianchi/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/hai/anaconda3/envs/tianchi/lib/python3.7/site-packages/numpy/core/include -I/home/hai/anaconda3/envs/tianchi/lib/python3.7/site-packages/numpy/core/include -I/home/hai/anaconda3/envs/tianchi/include/python3.7m -c src/OpticalFlow.cpp -o build/temp.linux-x86_64-3.7/src/OpticalFlow.o
cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++
In file included from src/Image.h:9:0,
from src/OpticalFlow.h:6,
from src/OpticalFlow.cpp:4:
src/ImageProcessing.h: In static member function ‘static void ImageProcessing::ResizeImage(const T1, T2*, int, int, int, int, int)’:
src/ImageProcessing.h:230:60: warning: ‘memset’ used with constant zero length parameter; this could be due to transposed parameters [-Wmemset-transposed-args]
memset(pDstImage,sizeof(T2)DstWidthDstHeightnChannels,0);
^
src/OpticalFlow.cpp: In static member function ‘static void OpticalFlow::SmoothFlowSOR(const DImage&, const DImage&, DImage&, DImage&, DImage&, double, int, int, int)’:
src/OpticalFlow.cpp:267:11: warning: unused variable ‘power_alpha’ [-Wunused-variable]
double power_alpha = 0.5;
^
src/OpticalFlow.cpp:287:11: warning: unused variable ‘_a’ [-Wunused-variable]
double _a = 10000, _b = 0.1;
^
src/OpticalFlow.cpp:287:24: warning: unused variable ‘_b’ [-Wunused-variable]
double _a = 10000, _b = 0.1;
^
src/OpticalFlow.cpp: In static member function ‘static void OpticalFlow::SmoothFlowPDE(const DImage&, const DImage&, DImage&, DImage&, DImage&, double, int, int, int)’:
src/OpticalFlow.cpp:545:11: warning: unused variable ‘power_alpha’ [-Wunused-variable]
double power_alpha = 0.5;
^
src/OpticalFlow.cpp:565:11: warning: unused variable ‘_a’ [-Wunused-variable]
double _a = 10000, _b = 0.1;
^
src/OpticalFlow.cpp:565:24: warning: unused variable ‘_b’ [-Wunused-variable]
double _a = 10000, _b = 0.1;
^
In file included from src/Image.h:9:0,
from src/OpticalFlow.h:6,
from src/OpticalFlow.cpp:4:
src/ImageProcessing.h: In instantiation of ‘static void ImageProcessing::vfiltering(const T1, T2*, int, int, int, const double*, int) [with T1 = double; T2 = double]’:
src/Image.h:1331:96: required from ‘void Image::imfilter_hv(Image&, const double*, int, const double*, int) const [with T1 = double; T = double]’
src/OpticalFlow.cpp:52:42: required from here
src/ImageProcessing.h:344:14: warning: unused variable ‘offset’ [-Wunused-variable]
int i,j,l,k,offset,ii;
^
In file included from src/OpticalFlow.h:6:0,
from src/OpticalFlow.cpp:4:
src/Image.h: In instantiation of ‘void Image::warpImageBicubicRef(const Image&, Image&, const Image&, const Image&, const Image&, const Image&, const Image&) const [with T1 = double; T2 = double; T = double]’:
src/Image.h:2482:55: required from ‘void Image::warpImageBicubicRef(const Image&, Image&, const Image&, const Image&) const [with T1 = double; T = double]’
src/OpticalFlow.cpp:437:43: required from here
src/Image.h:2525:4: warning: variable ‘ImgMax’ set but not used [-Wunused-but-set-variable]
T ImgMax;
^
In file included from /usr/include/string.h:635:0,
from /usr/include/memory.h:29,
from src/Image.h:8,
from src/OpticalFlow.h:6,
from src/OpticalFlow.cpp:4:
In function ‘void* memset(void*, int, size_t)’,
inlined from ‘static void ImageProcessing::ResizeImage(const T1*, T2*, int, int, int, int, int) [with T1 = double; T2 = double]’ at src/ImageProcessing.h:230:2:
/usr/include/x86_64-linux-gnu/bits/string3.h:86:32: warning: call to ‘__warn_memset_zero_len’ declared with attribute warning: memset used with constant zero length parameter; this could be due to transposed parameters
__warn_memset_zero_len ();
^
gcc -pthread -B /home/hai/anaconda3/envs/tianchi/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/hai/anaconda3/envs/tianchi/lib/python3.7/site-packages/numpy/core/include -I/home/hai/anaconda3/envs/tianchi/lib/python3.7/site-packages/numpy/core/include -I/home/hai/anaconda3/envs/tianchi/include/python3.7m -c src/GaussianPyramid.cpp -o build/temp.linux-x86_64-3.7/src/GaussianPyramid.o
cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++
In file included from src/Image.h:9:0,
from src/GaussianPyramid.h:7,
from src/GaussianPyramid.cpp:4:
src/ImageProcessing.h: In static member function ‘static void ImageProcessing::ResizeImage(const T1*, T2*, int, int, int, int, int)’:
src/ImageProcessing.h:230:60: warning: ‘memset’ used with constant zero length parameter; this could be due to transposed parameters [-Wmemset-transposed-args]
memset(pDstImage,sizeof(T2)DstWidthDstHeightnChannels,0);
^
src/ImageProcessing.h: In instantiation of ‘static void ImageProcessing::vfiltering(const T1, T2*, int, int, int, const double*, int) [with T1 = double; T2 = double]’:
src/Image.h:1331:96: required from ‘void Image::imfilter_hv(Image&, const double*, int, const double*, int) const [with T1 = double; T = double]’
src/Image.h:1199:47: required from ‘void Image::GaussianSmoothing(Image&, double, int) const [with T1 = double; T = double]’
src/GaussianPyramid.cpp:67:45: required from here
src/ImageProcessing.h:344:14: warning: unused variable ‘offset’ [-Wunused-variable]
int i,j,l,k,offset,ii;
^
g++ -pthread -shared -B /home/hai/anaconda3/envs/tianchi/compiler_compat -L/home/hai/anaconda3/envs/tianchi/lib -Wl,-rpath=/home/hai/anaconda3/envs/tianchi/lib -Wl,--no-as-needed -Wl,--sysroot=/ build/temp.linux-x86_64-3.7/pyflow.o build/temp.linux-x86_64-3.7/src/Coarse2FineFlowWrapper.o build/temp.linux-x86_64-3.7/src/Stochastic.o build/temp.linux-x86_64-3.7/src/OpticalFlow.o build/temp.linux-x86_64-3.7/src/GaussianPyramid.o -o /home/hai/tianchi/pyflow-master/pyflow.cpython-37m-x86_64-linux-gnu.so

Python setup.py build_ext -i is running successfully?

[hitachinsk]

Switch to gcc/g++ 5.5 version, and try it again.

[Nannigalaxy]

Here is the gist to downgrade gcc.
You can always upgrade to latest version.