mirror of https://github.com/pyodide/pyodide.git
54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
from pathlib import Path
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from typing import Optional, Set
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import shutil
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ROOTDIR = Path(__file__).parents[1].resolve()
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TOOLSDIR = ROOTDIR / "tools"
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TARGETPYTHON = ROOTDIR / "cpython" / "installs" / "python-3.8.2"
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# Leading space so that argparse doesn't think this is a flag
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DEFAULTCFLAGS = " -fPIC"
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DEFAULTCXXFLAGS = ""
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# fmt: off
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DEFAULTLDFLAGS = " ".join(
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[
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"-O2",
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"-Werror",
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"-s", "EMULATE_FUNCTION_POINTER_CASTS=1",
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"-s",'BINARYEN_EXTRA_PASSES="--pass-arg=max-func-params@61"',
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"-s", "SIDE_MODULE=1",
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"-s", "WASM=1",
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"--memory-init-file", "0",
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"-s", "LINKABLE=1",
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"-s", "EXPORT_ALL=1",
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]
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)
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# fmt: on
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def _parse_package_subset(query: Optional[str]) -> Optional[Set[str]]:
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"""Parse the list of packages specified with PYODIDE_PACKAGES env var.
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Also add the list of mandatory packages: ['micropip', 'distlib']
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Returns:
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a set of package names to build or None.
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"""
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if query is None:
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return None
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packages = query.split(",")
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packages = [el.strip() for el in packages]
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packages = ["micropip", "distlib"] + packages
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return set(packages)
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def file_packager_path() -> Path:
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# Use emcc.py because emcc may be a ccache symlink
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emcc_path = shutil.which("emcc.py")
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if emcc_path is None:
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raise RuntimeError(
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"emcc.py not found. Setting file_packager.py path to /dev/null"
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)
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return Path(emcc_path).parent / "tools" / "file_packager.py"
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