awalter1 wrote:
> Thanks a lot for the link that I have search for a long time and for
> your explanation.

Something is wrong with your installation. What is the value of
NLSPATH? If this is corrected you'll see the text of the messages.

> But I get also the message "cpp: "C_From_PC/HAdx_wairpor.c", line 0:
> warning 2021:". (with no message text)
> and how do you understand that the cpp warning are less and equal to
> 2018?

I believe I mentioned that before:
$ dumpmsg /usr/lib/nls/msg/C/cpp.cat | fgrep 2021
2021 warning %1$d: Possibly incorrect message catalog.