How to install ttpy in Windows

[appreciator]

Hello. I hope to use ttpy in Anaconda for Win10 64bit.

If I run "pip install ttpy" in Anaconda Prompt, ttpy-1.2.1.tar.gz would be downloaded and compiled, then the folloing error occurs:

"internal compiler error: in conv_function_val, at fortran/trans-expr.c:3769
libbacktrace could not find executable to open
error: Command "C:\mingw64\bin\gfortran.exe -Wall -g -fno-second-underscore -O3 -funroll-loops -IC:\Users\Appreciator.conda\envs\FFT\lib\site-packages\numpy\core\include -Ibuild/temp.win-amd64-3.7 -Ibuild/temp.win-amd64-3.7 -Ibuild/temp.win-amd64-3.7 -IC:\Users\Appreciator.conda\envs\FFT\include -IC:\Users\Appreciator.conda\envs\FFT\include -c -c tt\tt-fort\print\dispmodule.f90 -o build\temp.win-amd64-3.7\tt\tt-fort\print\dispmodule.o -Jbuild\temp.win-amd64-3.7 -Ibuild\temp.win-amd64-3.7" failed with exit status 1"

The compiler I am using is MinGW-W64 GCC-8.1.0.

Would you mind telling me how to install ttpy in Win10 64bit? I would really appreciate your help.

[daskol]

You are following the right installation steps. The issue is that there is a bug in GNU Fortran compiler. Try to use newer gfortran version or other compiler like Intel Fortran Compiler (see issue #60).

[appreciator]

Many thanks for your answer,Daniel.

I used gfortran 9.2 to compile ttpy, and got such an error:
sys/resource.h: No such file or directory

From this link https://stackoverflow.com/questions/63235674/python-sys-resource-h-no-such-file-or-directory-error-while-building-whl, it seems that it is because there should not be no such a file in Windows?

Would you mind kindly telling me how to resolve this problem? I would really appreciate your great help.

You are following the right installation steps. The issue is that there is a bug in GNU Fortran compiler. Try to use newer gfortran version or other compiler like Intel Fortran Compiler (see issue #60).

[daskol]

Right. There is not sys/resource.h C header which is required by native components of ttpy. Consider installation of Cygwin (or MinGW) to get POSIX compatibility layer for Windows.

[daskol]

I am not sure what is the concrete solution to your issues since I am not Windows user.

I have used MinGW, but it only provides sys/time.h, not provide resource.h.

The major difference between MingGW and Cygwin is that they provide different levels of compatibility. So, you can try to build with Cygwin.

However, when I used gcc 9.2 to compile it, I got such an error:

Symbol dcopy is built-in Fortrain routine. It is very odd that it is missing. Probably, missing BLAS library or OpenMP support can cause the compilation failure. Another potential reason is a bit length of integers (see ILP64 vs LP64).

[daskol]

Sorry, it seems I have accidentally removed your previous comment.

[appreciator]

Many thanks for your quick reply, Daniel. I am so sorry for bothering you.

I deleted my previous comment by myself, because I found that, when I directly downloaded ttpy-1.2.1.tar.gz from pypi and installed it by running "python setup.py install", the aforementioned error "collect2.exe: error: ld returned 1 exit status" also occurs.

Would you mind kindly telling me the correct way to install the ttpy-1.2.1.tar.gz in the local directory?

The compiler is MinGW with gcc 9.2.0. I sincerely hope to use ttpy in Windows. I would really appreacite your help.

Sorry, it seems I have accidentally removed your previous comment.

[daskol]

The best way to get actual source code of ttpy is described here. As soon as repository is cloned and submodules are updated you can run pip install . (or any other command) in the root of the repo.