> I have a small C-extension module, consisting of 3 files
> (ndcombine_module.c, combine.c & combine.h). I can build the
> extension find 'in place' using distutils, but when creating a
> distribution (with setup.py sdist), the combine.h header file
> seemingly gets lost and I cannot build it anywhere else.
> The extension part in setup.py looks like:
>
> ndcombine_sources = [os.path.join('src', 'ext_lib', 'combine', p)
> for p in \
> ('ndcombine_module.c', 'combine.c')]
> ndcombine_ext = Extension('ndcombine',
> sources=ndcombine_sources,
> depends=[os.path.join('src', 'ext_lib',
> 'combine',
> 'combine.h')],
> include_dirs = [numpyincludepath])
>
> where I have tried to use 'depends', which seems to fail. Below
> that, there is of course
>
> setup(..., ext_modules=[ndcombine_ext], ...)
>
> I feel I'm missing something, but I cannot think of what.
Got it (and I had done it correctly for another extension, ages ago):
use MANIFEST.in.
<MANIFEST.in>:
recursive-include src *.py
include src/ext_lib/combine/combine.c
include src/ext_lib/combine/combine.h
include src/ext_lib/combine/ndcombine_module.c
<EOF>
(aka read chapter 4 of the distutils documentation; sigh)
'depends' only tells to rebuild things when anything in those files
changes; it functions more like a Makefile.
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