[sr #110738] configure gets confused with a build dir with the same base name as the current project

[Boud Roukema]

Follow-up Comment #2, sr #110738 (project reproduce):

Victor, thanks for the spotting this bug! Raúl: the problem is that
_currentdir_

/home/username/niceprojects/project

is a substring of _bdir_

/home/username/niceprojects/project-build

Lines 923 or 930 convert from the relative directory to the absolute
directory, so 'bdir' is absolute.

Victor, my guess is that your solution

grep '^'"$currentdir/"

may be OK, though I haven't checked this... One flaw would be that 

/home/username/niceprojects/project/

is not a substring of

/home/username/niceprojects/project

so the project directory itself would be considered to "not be a subdirectory"
and would be accepted as a build directory. So a more complex rule would seem
to be needed.




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