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From: Peter Eisentraut <peter@eisentraut.org>
To: pgsql-committers@lists.postgresql.org
Subject: pgsql: Fix for C++ compatibility
Date: Wed, 21 Jan 2026 07:54:51 +0000
Message-ID: <E1viT3C-001kPC-1Q@gemulon.postgresql.org> (raw)

Fix for C++ compatibility

After commit 476b35d4e31, some buildfarm members are complaining about
not recognizing _Noreturn when building the new C++ module
test_cplusplusext.  This is not a C++ feature, but it was gated like

    #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
    #define pg_noreturn _Noreturn

But apparently that was not sufficient.  Some platforms define
__STDC_VERSION__ even in C++ mode.  (In this particular case, it was
g++ on Solaris, but apparently this is also done by some other
platforms, and it is allowed by the C++ standard.)  To fix, add a

    ... && !defined(__cplusplus)

Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://www.postgresql.org/message-id/flat/CAGECzQR21OnnKiZO_1rLWO0-16kg1JBxnVq-wymYW0-_1cUNtg@mail....

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/b4555cb070f134c04328df54ce31d4ef1970f3bb

Modified Files
--------------
src/include/c.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)



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