[PATCH, dejagnu] Log file renaming

[Thomas Preudhomme]

Hi,

One confusing thing for people new to GCC trying to reproduce a
testcase failure for arm-none-eabi targets is the origin of the
gcc_tg.o file linked in all execution testcases. It cannot be found in
the build tree and there is no mention of its building in the log file.
As mentioned in [1], it's gcc-testglue.o renamed and the log do mention
how to build that file. However, the renaming itself is not logged.

[1] https://gcc.gnu.org/ml/gcc/2013-10/msg00246.html

This patch adds a logging message to the remote_download procedure in
dejagnu so that people can see the origin of files which are downloaded
or renamed.

ChangeLog entry is as follows:

2017-03-03  Thomas Preud'homme  <address@hidden>

        * lib/remote.exp (remote_download): Add logging message when source
        and destination file differ in name.


Running GCC testsuite with this patch shows the expected message in the log.

Best regards,

Thomas

log_file_renaming.patch
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