On Thu, 4 Sep 2003 you wrote:
> Hello,
>
> the command
> ar cq libdh.a a.o b.o
> does not work, if the current directory is on a linked filesystem.
> In my case "." referes to /cygdrive/h".
> The error message of "ar" is:
> ar: libdh.a: rename: Cross-device link
> make: *** [libdh.a] Error 1
>
> The program works, when using local files, e.g. /usr/src
>
> # uname -a
> CYGWIN_NT-5.1 PCHEMPEL2 1.5.3(0.90/3/2) 2003-09-01 13:15 i686 unknown unknown Cygwin
>
> Best regards
> Daniel
On a hunch, try running "TMPDIR=. ar cq libdh.a a.o b.o". I'm guessing
that ar builds the archive in TMPDIR (/tmp?) and then tries moving it to
your directory. However, it calls "rename()", which tries to hard link
the file and then unlink it later (a guess from looking at "strings
/bin/ar.exe" -- I haven't looked at the code). If you do this across
devices, there's obviously a problem. I'm surprised, though, that this
works on Linux, since /tmp and /home/* usually *are* on different
devices... Perhaps some configury option? Or is Linux "rename()" simply
more robust?
Igor
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