Note: this is for early adopters. It has been tested on Linux and macOS, and with Python 3.9-3.12. Windows will be tested soon. There is one CI job to keep the build stable. This may have rough edges, please open an issue if you run into a problem.
Install build tools: Use one of:
- `mamba create -f environment.yml
pip install -r build_requirements.txt # also make sure you have pkg-config and the usual system dependencies for NumPy
Compile and install: ./dev.py build
This builds in the build/ directory, and installs into the build-install directory.
Then run the test suite or a shell via dev.py:
./dev.py test
./dev.py ipython
Alternatively, to use the package, add it to your PYTHONPATH:
export PYTHONPATH=${PWD}/build/lib64/python3.10/site-packages # may vary
pytest --pyargs numpy
Note that pip will use the default build system, which is (as of now) still
numpy.distutils. In order to switch that default to Meson, uncomment the
build-backend = "mesonpy" line at the top of pyproject.toml.
After that is done, pip install . or pip install --no-build-isolation .
will work as expected. As does building an sdist or wheel with python -m build.
Note, however, that pip install -e . (in-place developer install) does not!
Use dev.py instead (see above).
- Fedora does not distribute
openblas.pc. Install the following file in~/lib/pkgconfig/openblas.pc:
prefix=/usr
includedir=${prefix}/include
libdir=${prefix}/lib64
Name: openblas
Description: OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version
Version: 0.3.19
Cflags: -I${includedir}/openblas
Libs: -L${libdir} -lopenblas
Then build with:
./dev.py build -- -Dpkg_config_path=${HOME}/lib/pkgconfig