Re: Should we remove -Wdeclaration-after-statement?
Andres Freund <andres@anarazel.de>
From: Andres Freund <andres@anarazel.de>
To: Jelte Fennema-Nio <postgres@jeltef.nl>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2024-01-29T19:58:04Z
Lists: pgsql-hackers
Hi, On 2023-12-27 12:48:40 +0100, Jelte Fennema-Nio wrote: > Postgres currently requires all variables to be declared at the top of > the function, because it specifies -Wdeclaration-after-statement. One > of the reasons that we had this warning was because C89 required this > style of declaration. Requiring it everywhere made backporting easier, > since some of our older supported PG versions needed to compile on > C89. Now that we have dropped support for PG11 that reason goes away, > since now all supported Postgres versions require C99. So, I think > it's worth reconsidering if we want this warning to be enabled or not. +1 for allowing declarations to be intermixed with code, -infinity for changing existing code to do so. Greetings, Andres Freund