[Bug build/29130] New: error: #error "Assumed value of MB_LEN_MAX wrong"

[Bug build/29130] New: error: #error "Assumed value of MB_LEN_MAX wrong"

[euloanty at live dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29130

            Bug ID: 29130
           Summary: error: #error "Assumed value of MB_LEN_MAX wrong"
           Product: glibc
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: build
          Assignee: unassigned at sourceware dot org
          Reporter: euloanty at live dot com
                CC: carlos at redhat dot com
  Target Milestone: ---

Created attachment 14094
  --> https://sourceware.org/bugzilla/attachment.cgi?id=14094&action=edit
error file

i find that the gcc C freestanding headers have issues with glibc with
aarch64-Lin/home/cqwrteur/toolchains/gnu/native/aarch64-linux-gnu/aarch64-linux-gnu/include/bits/wchar2.h:398:3:
error: #error "Assumed value of MB_LEN_MAX wrong"
  398 | # error "Assumed value of MB_LEN_MAX wrong"
      |   ^~~~~ux-gnu host etc.

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[Bug build/29130] error: #error "Assumed value of MB_LEN_MAX wrong"

[euloanty at live dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29130

cqwrteur <euloanty at live dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
              Build|                            |x86_64-linux-gnu
               Host|                            |aarch64-linux-gnu
             Target|                            |aarch64-linux-gnu

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[Bug build/29130] error: #error "Assumed value of MB_LEN_MAX wrong"

[euloanty at live dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29130

cqwrteur <euloanty at live dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |euloanty at live dot com

--- Comment #1 from cqwrteur <euloanty at live dot com> ---
Comment on attachment 14094
  --> https://sourceware.org/bugzilla/attachment.cgi?id=14094
error file

incorrect error file

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[Bug build/29130] error: #error "Assumed value of MB_LEN_MAX wrong"

[euloanty at live dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29130

--- Comment #2 from cqwrteur <euloanty at live dot com> ---
Created attachment 14095
  --> https://sourceware.org/bugzilla/attachment.cgi?id=14095&action=edit
real error file. the first upload attachment was uploaded incorrectly.

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[Bug build/29130] error: #error "Assumed value of MB_LEN_MAX wrong"

[euloanty at live dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29130

cqwrteur <euloanty at live dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at redhat dot com

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[Bug libc/29130] error: #error "Assumed value of MB_LEN_MAX wrong"

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29130

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2022-05-09
          Component|build                       |libc
             Status|UNCONFIRMED                 |WAITING
                 CC|                            |drepper.fsp at gmail dot com,
                   |                            |fweimer at redhat dot com
     Ever confirmed|0                           |1
              Flags|                            |security-

--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Can you reproduce the issue without gnulib headers? I see gnulib/wchar.h
references in attachment 14095. Thanks.

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[Bug libc/29130] error: #error "Assumed value of MB_LEN_MAX wrong"

[euloanty at live dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29130

--- Comment #4 from cqwrteur <euloanty at live dot com> ---
(In reply to Florian Weimer from comment #3)
> Can you reproduce the issue without gnulib headers? I see gnulib/wchar.h
> references in attachment 14095 [details]. Thanks.

I got this error when doing Canadian compilation to get a native compiler of
aarch64-linux-gnu on x86_64-linux-gnu machine. The error happens with building
binutils-gdb.

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[Bug libc/29130] error: #error "Assumed value of MB_LEN_MAX wrong"

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29130

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|WAITING                     |RESOLVED

--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
Thanks. I suggest to focus on the ../gnulib/import/ path here:

In file included from
/home/cqwrteur/toolchains/gnu/native/aarch64-linux-gnu/aarch64-linux-gnu/include/wchar.h:867,
                 from ../gnulib/import/wchar.h:80,
                 from
/home/cqwrteur/toolchains/gnu/native/aarch64-linux-gnu/aarch64-linux-gnu/include/c++/13.0.0/cwchar:44,

This really should not show up on the include search path.

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