Steps To Reproduce

Debian forky has an old version of planarity, without the needed header planarity/graphLib.h

Expected Behavior

meson should reject it

Actual Behavior

is does not, as the result sagelib doesn't build.

Additional Information

No response

Environment

• OS: Debian forky
• Sage Version: 10.10.beta5

Checklist

• I have searched the existing issues for a bug report that matches the one I want to file, without success.
• I have read the documentation and troubleshoot guide