[Bug 284446] [exp-run] with base c3450ad127e94d3fa67ae337310e59c002f51bfc reverted

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=284446

            Bug ID: 284446
           Summary: [exp-run] with base
                    c3450ad127e94d3fa67ae337310e59c002f51bfc reverted
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: Ports Framework
          Assignee: portmgr@FreeBSD.org
          Reporter: dim@FreeBSD.org
                CC: ports-bugs@FreeBSD.org

In base c3450ad127e94d3fa67ae337310e59c002f51bfc I applied an upstream clang
commit that downgraded errors about implicit int and implicit function
declaration to warnings. This was to make it easier to build the ports tree
with clang 18, since at the time many ports were not coping with these errors
properly.

For instance, configure scripts tend to use very sloppy C code to check for
features such as library calls, and having these error out due to implicit int
or implicit function declarations would cause these configure scripts to
conclude that those features were not available, while this was not actually
the case.

I would like to request an exp-run with base
c3450ad127e94d3fa67ae337310e59c002f51bfc reverted, so we can spot any immediate
fallout, such as failed builds.

However, the greater risk is in builds that 'silently' succeed, but where port
features are disabled or misdetected, due to the above mentioned bad configure
scripts.

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