From: Tom Lane <tgl@sss.pgh.pa.us>
To: Japin Li <japinli@hotmail.com>
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        pgsql-bugs@lists.postgresql.org
Subject: Re: error: #error PostgreSQL does not have native spinlock support on
 this platform. error: unknown type name =?utf-8?B?4oCYc2xvY2tfdA==?=
 =?utf-8?B?4oCZ?=
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Comments: In-reply-to Japin Li <japinli@hotmail.com>
	message dated "Sat, 17 Sep 2022 20:44:56 +0800"
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Japin Li <japinli@hotmail.com> writes:
> IIRC, PostgreSQL do not support loongarch platform, so if you want to
> use PostgreSQL on loongarch, you can a) disable spinlock when executing
> configure (not recommended for production) or b) implement a spinlock
> for PostgreSQL on loongarch64 platform.

Wikipedia suggests that loongarch is more or less a MIPS clone,
so maybe you could adapt the MIPS stanza in s_lock.h to work.

Do "make check" in src/backend/storage/lmgr for a basic smoke-test
of new spinlock code.

			regards, tom lane