mirror of
https://github.com/TREX-CoE/trexio.git
synced 2024-08-25 06:31:43 +02:00
get HDF5 compilation flags from pythonic pkgconfig
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c3cc76c492
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@ -1,6 +1,7 @@
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[build-system]
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requires = [
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"setuptools>=42",
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"wheel"
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"wheel",
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"pkgconfig"
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]
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build-backend = "setuptools.build_meta"
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@ -14,10 +14,37 @@ c_files = ['trexio.c', 'trexio_hdf5.c', 'trexio_text.c', 'pytrexio_wrap.c']
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with open("README.md", "r") as fh:
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long_description = fh.read()
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h5_ldflags = str(os.environ.get("H5_LDFLAGS", None ))
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h5_cflags_withI = str(os.environ.get("H5_CFLAGS", None ))
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h5_cflags = h5_cflags_withI.replace("-I","")
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# =========================== Start of the HDF5 block =========================== #
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# The block below is needed to derive additional flags related to the HDF5 library,
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# which is required to build pytrexio extension module during the setup.py execution
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h5_ldflags_withl = os.environ.get("H5_LDFLAGS", None)
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h5_cflags_withI = os.environ.get("H5_CFLAGS", None)
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h5_ldflags_isUndefined = h5_ldflags_withl is None or h5_ldflags_withl==""
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h5_cflags_isUndefined = h5_cflags_withI is None or h5_cflags_withI==""
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if h5_ldflags_isUndefined or h5_cflags_isUndefined:
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try:
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import pkgconfig as pk
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except ImportError:
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raise Exception("pkgconfig Python package has not been found")
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try:
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assert pk.exists('hdf5')
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except AssertionError:
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raise Exception("pkg-config could not locate HDF5")
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h5_cflags_withI = pk.cflags('hdf5')
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h5_ldflags_withl = pk.libs('hdf5')
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h5_cflags = h5_cflags_withI.replace("-I","").split(" ")[0]
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h5_ldflags = h5_ldflags_withl.split(" ")[0]
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# ============================ End of the HDF5 block ============================ #
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# Define pytrexio extension module based on TREXIO source codes + SWIG-generated wrapper
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pytrexio_module = Extension('pytrexio._pytrexio',
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sources = [os.path.join(srcpath, code) for code in c_files],
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include_dirs = [h5_cflags, srcpath],
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