Re: pg_crc32c_armv8.c:35:9: error: implicit declaration of function '__crc32cb' is invalid in C99 - Mailing list pgsql-hackers

From Tom Lane
Subject Re: pg_crc32c_armv8.c:35:9: error: implicit declaration of function '__crc32cb' is invalid in C99
Date
Msg-id 3570584.1676908033@sss.pgh.pa.us
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In response to pg_crc32c_armv8.c:35:9: error: implicit declaration of function '__crc32cb' is invalid in C99  (Markur Sens <markursens@gmail.com>)
Responses Re: pg_crc32c_armv8.c:35:9: error: implicit declaration of function '__crc32cb' is invalid in C99
List pgsql-hackers
Markur Sens <markursens@gmail.com> writes:
> I suddenly (?, IIRC a few days ago this worked fine) started getting the following error while trying to following
whilebuilding from source on Apple M1 
> This is on REL_13_9 but happens to all other releases too.

> In file included from pg_crc32c_armv8.c:17:
> /Library/Developer/CommandLineTools/usr/lib/clang/14.0.0/include/arm_acle.h:14:2: error: "ACLE intrinsics support not
enabled."
> #error "ACLE intrinsics support not enabled."
>  ^
> pg_crc32c_armv8.c:35:9: error: implicit declaration of function '__crc32cb' is invalid in C99
[-Werror,-Wimplicit-function-declaration]
>                 crc = __crc32cb(crc, *p);

Hmph.  Not seeing that here, on either my M1 laptop or sifaka's M1-mini
host (both running up-to-date Ventura).  Nobody else has reported it
either.  What configure options are you using?  Any non-default
software involved (e.g. from MacPorts or Homebrew)?

            regards, tom lane



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