https://sourceware.org/bugzilla/show_bug.cgi?id=24281
--- Comment #3 from lol lol <qwertytmp1 at gmail dot com> ---
Hi Nick,
Q. Hmm, you do realise that copying a thin library in this way is
essentially the same thing as just copying it normally, right?
A. Yes. It was chosen for simplicity. Anyway, it shouldn't fail. Can you agree?
Q. The question is, what would you expect objcopy to do if you also
had one or more of its transformation options enabled as well.
For example, what should this do:
objcopy --strip-debug out.a out_copy.a
A. I expect similar behavior as for other "non-thin" object files.
Why not to do "--strip-debug" for all included files recursively?
It may be done in-place, or done with a copy.
Q. Would you expect objcopy to create new versions of all of the
object files linked to within out.a, with the debugging stripped
from the new versions ? If so, what names should be given to
these new object files ? Or how about:
objcopy out.a subdir/copy.a
Would you expect objcopy to leave the object files intact but to
rename the links inside copy.a so that they are valid for the
new location of the thin library ?
A. In this case (case, when objcopy pretends to change object files), we may
simply notify user, that object files will be rewritten and wait for the
confirmation.
Q. It seems to me that the easiest thing to do would be to just
reject attempts to objcopy thin archives. But maybe this is
too draconian. Would you be happy if an in-place copy of a
thin archive was allowed, but transformations, or relocations
were refused?
A. I think, it is not a bad idea to simply disallow objcopy for thin archives
till the moment, when it will be supported (in alternative future).
I think it is not of "draconian" attempt.
This way, user of this magic tool will not be confused at all.
Thank you!
WBR,
lol lol
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