portconfigure: ensure SDK directory is not empty #288
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On older versions of macOS (e.g. OS X El Capitan), even though "macosxfake" is not a valid SDK, `env DEVELOPER_DIR="/Library/Developer/CommandLineTools" /usr/bin/xcrun --show-sdk-path --sdk macosxfake` has zero exit value but outputs an empty string.
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When does this make a difference? Normally on these OS versions with the CLTs installed we would already have returned on line 560 or 567. |
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Instead of tracking down when the behavior of |
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On older versions of macOS (e.g. OS X El Capitan), even though "macosxfake" is not a valid SDK,
env DEVELOPER_DIR="/Library/Developer/CommandLineTools" /usr/bin/xcrun --show-sdk-path --sdk macosxfakehas zero exit value but outputs an empty string.