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Copy files instead of hard-linking on Windows

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Fixes an issue on Windows where when source and build directory are on different drives hard-linking
to files or directory fails as it doesn't work across filesystem boundaries. Note that symlinking is also
not possible because it requires administrator privileges on Windows.

The solution copies the files using the built-in cmake `configure_file(src dest COPYONLY)` command.
As this command only operates on files, if a directory is specified the files will be globbed recursively
and through symlinks.

Signed-off-by: Dominik Gschwind <dominik.gschwind99@gmail.com>
This commit is contained in:
Dominik Gschwind
2022-08-10 16:27:14 +02:00
committed by Gilles Peskine
parent 3917028ab7
commit b0423a260c
2 changed files with 18 additions and 20 deletions
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ChangeLog.d/fix_hard_link_across_drives Normal file
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Bugfix
* Fix a build issue on Windows where the source and build directory could not be on
different drives (#5751).