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https://gitlab.alpinelinux.org/alpine/aports.git
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ce0a029fd4
To save installation space, and to use the exact same implementation of polygon clipping across the system. Also taking the source code from pypi instead of github, like most other Alpine py3 packages. Other than github, pypi is putting the git release tag into the zip bundles, which is then used by Python setuptools. When setuptools is installing a package, it is checking for the version tag, and the installation fails with a warning when the version tag cannot be inferred. Before this change, the `APKBUILD` would run `git init` to work around this setuptools check. After this change, that hack is not needed anymore.
38 lines
1.4 KiB
Diff
38 lines
1.4 KiB
Diff
Upstream comes with its own copy of the Clipper C++ polygon clipping
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library, which they compile into a static library that gets included
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into the Python wheel. On Alpine Linux, we prefer to use the shared
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library from package `clipper` so that the exact same implementation
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gets called across the system. Also, linking to a system-wide shared
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library reduces total installation size when Clipper gets called
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from both Python and non-Python code.
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--- a/setup.py
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+++ b/setup.py
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@@ -23,7 +23,7 @@
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from Cython.Distutils import build_ext
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print('Development mode: Compiling Cython modules from .pyx sources.')
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- sources = ["pyclipper/pyclipper.pyx", "pyclipper/clipper.cpp"]
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+ sources = ["pyclipper/pyclipper.pyx"]
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from setuptools.command.sdist import sdist as _sdist
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@@ -40,7 +40,7 @@
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else:
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print('Distribution mode: Compiling Cython generated .cpp sources.')
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- sources = ["pyclipper/pyclipper.cpp", "pyclipper/clipper.cpp"]
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+ sources = ["pyclipper/pyclipper.cpp"]
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cmdclass = {}
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@@ -51,6 +51,9 @@
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ext = Extension("pyclipper",
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sources=sources,
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language="c++",
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+ include_dirs=['/usr/include/polyclipping'],
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+ libraries=['polyclipping'],
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+ library_dirs=['/usr/lib'],
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# define extra macro definitions that are used by clipper
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# Available definitions that can be used with pyclipper:
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# use_lines, use_int32
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