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bf58e8c317
https://github.com/Cyan4973/xxHash/pull/324 As advertised, xxhash is picked up by py-pkgconfig.
42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
# Support code for building a C extension with checksums code
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import os
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def multi_join(paths, *path_segments):
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"""apply os.path.join on a list of paths"""
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return [os.path.join(*(path_segments + (path,))) for path in paths]
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# xxhash files, structure as seen in xxhash project repository:
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# path relative (to this file) to the bundled library source code files
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xxhash_bundled_path = 'src/borg/algorithms/xxh64'
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xxhash_sources = [
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'xxhash.c',
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]
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xxhash_includes = [
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'',
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]
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def xxhash_ext_kwargs(pc, prefer_system, system_prefix):
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if prefer_system:
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if system_prefix:
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print('Detected and preferring libxxhash [via BORG_LIBXXHASH_PREFIX]')
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return dict(include_dirs=[os.path.join(system_prefix, 'include')],
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library_dirs=[os.path.join(system_prefix, 'lib')],
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libraries=['xxhash'])
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if pc and pc.installed('libxxhash', '>= 0.7.3'):
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print('Detected and preferring libxxhash [via pkg-config]')
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return pc.parse('libxxhash')
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print('Using bundled xxhash')
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sources = multi_join(xxhash_sources, xxhash_bundled_path)
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include_dirs = multi_join(xxhash_includes, xxhash_bundled_path)
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define_macros = [('BORG_USE_BUNDLED_XXHASH', 'YES')]
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return dict(sources=sources, include_dirs=include_dirs, define_macros=define_macros)
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