Re: compiling 7.4 under MacOS 10.4.6 using ports....

Stanislav Silnitski <silnitskij@zelnet.ru> writes:
> In file included from ../../../../src/include/storage/spin.h:50,
>                   from xlog.c:35:
> ../../../../src/include/storage/s_lock.h:543:2: error: #error
> PostgreSQL does not have native spinlock support on this platform. To
> continue the compilation, rerun configure using --disable-spinlocks.
> However, performance will be poor. Please report this to pgsql-
> bugs@postgresql.org.

7.4 has not heard that OSX might run on anything besides PPC.
Use a more recent PG release if you want to build on an Intel Mac.
Actually, you should use a more recent PG release anyway.

            regards, tom lane