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Re: Build failure with GCC 15 (defaults to -std=gnu23)

Thomas Munro <thomas.munro@gmail.com>

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From: Thomas Munro <thomas.munro@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Peter Eisentraut <peter@eisentraut.org>, Sam James <sam@gentoo.org>, pgsql-bugs@lists.postgresql.org
Date: 2024-11-27T04:50:51Z
Lists: pgsql-bugs 
Pushed.  Alligator is turning green in the back branches, only one more to go.

I see that Peter also pushed the reserved word patches.  Apparently
that gcc bug it's blowing up on might go away with -g0 (see link
earlier), but anyway it's a nightly build compiler so fingers crossed
for a fix soon.  The newer branches are building and running for me on
{ gcc14, gcc15, clang18 } -std=gnu23, and apparently the bug was even
in gcc14, so it must require some unlikely conditions that alligator
has stumbled on.

(Yeah I had missed 10, thanks for the nudge.)

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Require sizeof(bool) == 1.

  2. If a C23 compiler is detected, try asking for C17.

  3. Fix C23 compiler warning

  4. Rename C23 keyword

  5. Assume that <stdbool.h> conforms to the C standard.

  6. Revise tree-walk APIs to improve spec compliance & silence warnings.