[bug #63246] New -Wsign-compare with GCC 13

[Martin Liška]

URL:
  <https://savannah.gnu.org/bugs/?63246>

                 Summary: New -Wsign-compare with GCC 13
                 Project: GNU GRUB
               Submitter: marxin
               Submitted: Thu 20 Oct 2022 03:47:46 PM UTC
                Category: None
                Severity: Major
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
                 Release: Git master
                 Release: 
         Discussion Lock: Any
         Reproducibility: None
         Planned Release: None


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Follow-up Comments:


-------------------------------------------------------
Date: Thu 20 Oct 2022 03:47:46 PM UTC By: Martin Liška <marxin>
[  168s] ../../grub-core/net/http.c: In function 'http_establish':
[  168s] ../../grub-core/net/http.c:414:48: error: operand of '?:' changes
signedness from 'int' to 'enum <anonymous>' due to unsignedness of other
operand [-Werror=sign-compare]
[  168s]   414 |                 data->filename, server, port ? port :
HTTP_PORT);
[  168s]       |                                                ^~~~
[  168s] ../../include/grub/misc.h:38:88: note: in definition of macro
'grub_dprintf'
[  168s]    38 | #define grub_dprintf(condition, ...)
grub_real_dprintf(GRUB_FILE, __LINE__, condition, __VA_ARGS__)
[  168s]       |                                                              
                         ^~~~~~~~~~~
[  168s] ../../grub-core/net/http.c:416:42: error: operand of '?:' changes
signedness from 'int' to 'enum <anonymous>' due to unsignedness of other
operand [-Werror=sign-compare]
[  168s]   416 |                                   port ? port : HTTP_PORT,
http_receive,
[  168s]       |                                          ^~~~

and it's reported as GCC issue here:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107314







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