URL:
  <https://savannah.gnu.org/bugs/?60798>

                 Summary: Make does not compile with GCC 11.1.0
                 Project: make
            Submitted by: None
            Submitted on: ven. 18 juin 2021 16:36:51 UTC
                Severity: 3 - Normal
              Item Group: Build/Install
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
       Component Version: None
        Operating System: None
           Fixed Release: None
           Triage Status: None

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Details:

I cloned the current make git repository:
https://git.savannah.gnu.org/git/emacs.git

Then I compiled it with GCC 11.1.0. It triggers the following error:
src/main.c:1954:13: error: writes 1 byte in a region of size 0
[-Werror=stringop-overflow=]
2006 |       p[-1] = '\0';
|       ~~~~~~^~~~~~

It compiles with GCC 8.3.0 though.

This error was introduced in GCC 10
https://gcc.gnu.org/gcc-10/changes.html#c-family as "Enhancements
to existing warnings".
To build it with GCC 11.1.0, one must add the flag: -Wno-stringop-overflow
when doing ./configure.





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Reply to this item at:

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  • [bug #60798] ... anonyme
    • [bug #60... Paul D. Smith
      • Re: ... Dmitrii Pasechnik
        • ... Paul Smith
          • ... Eli Zaretskii
          • ... Dmitrii Pasechnik
            • ... Paul Smith
              • ... Andreas Schwab
                • ... David A. Wheeler
                • ... RANDRIANAINA Georges Aaron
        • ... Dmitry Goncharov via Bug reports and discussion for GNU make

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