| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Lakshmi Narayana Velayudam <dev(dot)narayana(dot)v(at)gmail(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: C extension compilation failed while using PG 17.2 on mac m1 |
| Date: | 2025-05-16 16:05:10 |
| Message-ID: | 37542.1747411510@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Lakshmi Narayana Velayudam <dev(dot)narayana(dot)v(at)gmail(dot)com> writes:
> Hello, while compiling my c extension with PG 17,2 I am getting
> postgresql-17.2/pgsql/include/server/port/pg_iovec.h:93:10: error: call to
> undeclared function 'pwritev'; ISO C99 and later do not support implicit
> function declarations [-Wimplicit-function-declaration]
I failed to reproduce this. I wonder if you have some kind of version
skew problem --- SDK not matching underlying system, for instance.
preadv and pwritev do have some weirdness on Apple platforms,
but we should handle that on any PG >= v15 (cf. commit f014b1b9b).
regards, tom lane
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