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feat: support building universal2/arm64 from x64_86 Python 3.8 (#704)

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This commit is contained in:
Henry Schreiner
2021-05-31 09:14:49 +02:00
committed by GitHub
parent dde3579fb3
commit 0dc34816d0
3 changed files with 20 additions and 21 deletions
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cibuildwheel/macos.py
+9 -11
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@@ -270,22 +270,20 @@ def setup_python(
config_is_arm64 = python_configuration.identifier.endswith("arm64")
config_is_universal2 = python_configuration.identifier.endswith("universal2")
if python_configuration.version not in {"3.6", "3.7", "3.8"}:
if python_configuration.identifier.endswith("x86_64"):
# even on the macos11.0 Python installer, on the x86_64 side it's
# compatible back to 10.9.
env.setdefault("_PYTHON_HOST_PLATFORM", "macosx-10.9-x86_64")
env.setdefault("ARCHFLAGS", "-arch x86_64")
elif config_is_arm64:
if python_configuration.version not in {"3.6", "3.7"}:
if config_is_arm64:
# macOS 11 is the first OS with arm64 support, so the wheels
# have that as a minimum.
env.setdefault("_PYTHON_HOST_PLATFORM", "macosx-11.0-arm64")
env.setdefault("ARCHFLAGS", "-arch arm64")
elif config_is_universal2:
if get_macos_version() < (10, 16):
# we can do universal2 builds on macos 10.15, but we need to
# set ARCHFLAGS otherwise CPython sets it to `-arch x86_64`
env.setdefault("ARCHFLAGS", "-arch arm64 -arch x86_64")
env.setdefault("_PYTHON_HOST_PLATFORM", "macosx-10.9-universal2")
env.setdefault("ARCHFLAGS", "-arch arm64 -arch x86_64")
elif python_configuration.identifier.endswith("x86_64"):
# even on the macos11.0 Python installer, on the x86_64 side it's
# compatible back to 10.9.
env.setdefault("_PYTHON_HOST_PLATFORM", "macosx-10.9-x86_64")
env.setdefault("ARCHFLAGS", "-arch x86_64")
building_arm64 = config_is_arm64 or config_is_universal2
if building_arm64 and get_macos_version() < (10, 16) and "SDKROOT" not in env: