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I am trying to install pyconcorde with a single line as documented, but get an error.
I am installing into a clear environment and log the error separately. Due to its size, i only show the last 31 lines.
I am using Debian 12 (bookworm) and python3.11
python -m venv .venv --clear
.venv/bin/pip install 'pyconcorde @ git+https://github.com/jvkersch/pyconcorde' > log.txt 2> error-log.txt
tail -31 error-log.txt concorde is missing, downloading
building concorde
building 'concorde._concorde' extension
creating build/temp.linux-x86_64-cpython-311/concorde
x86_64-linux-gnu-gcc -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -fPIC -I/tmp/pip-build-env-t4v62toc/overlay/lib/python3.11/site-packages/numpy/_core/include -Idata -Idata -I/home/g/venvs/venv/tsp/.venv/include -I/usr/include/python3.11 -c concorde/_concorde.c -o build/temp.linux-x86_64-cpython-311/concorde/_concorde.o
In file included from /tmp/pip-build-env-t4v62toc/overlay/lib/python3.11/site-packages/numpy/_core/include/numpy/ndarraytypes.h:1913,
from /tmp/pip-build-env-t4v62toc/overlay/lib/python3.11/site-packages/numpy/_core/include/numpy/ndarrayobject.h:12,
from /tmp/pip-build-env-t4v62toc/overlay/lib/python3.11/site-packages/numpy/_core/include/numpy/arrayobject.h:5,
from concorde/_concorde.c:1257:
/tmp/pip-build-env-t4v62toc/overlay/lib/python3.11/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]
17 | #warning "Using deprecated NumPy API, disable it with " \
| ^~~~~~~
In file included from concorde/_concorde.c:1262:
data/concorde.h:173: warning: "NDEBUG" redefined
173 | #define NDEBUG
|
<command-line>: note: this is the location of the previous definition
data/concorde.h:293:5: error: conflicting types for ‘gethostname’; have ‘int(char *, int)’
293 | gethostname (char *, int);
| ^~~~~~~~~~~
In file included from /usr/include/python3.11/Python.h:29,
from concorde/_concorde.c:46:
/usr/include/unistd.h:911:12: note: previous declaration of ‘gethostname’ with type ‘int(char *, size_t)’ {aka ‘int(char *, long unsigned int)’}
911 | extern int gethostname (char *__name, size_t __len) __THROW __nonnull ((1))
| ^~~~~~~~~~~
error: command '/usr/bin/x86_64-linux-gnu-gcc' failed with exit code 1
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed building wheel for pyconcorde
ERROR: Could not build wheels for pyconcorde, which is required to install pyproject.toml-based projects
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