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

On 20 Feb 2023, at 5:47 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:

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 while building 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