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From: Sergey Shinderuk <s.shinderuk@postgrespro.ru>
To: Tom Lane <tgl@sss.pgh.pa.us>
To: Thomas Munro <thomas.munro@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: pg_preadv() and pg_pwritev()
Date: Thu, 14 Jan 2021 10:44:12 +0300
Message-ID: <d90658e6-490e-db57-cd64-98868abe79cd@postgrespro.ru> (raw)
In-Reply-To: <c2e08e38-e4bd-780d-62df-4a33b537b75e@postgrespro.ru>
References: <CA+hUKGJA+u-220VONeoREBXJ9P3S94Y7J+kqCnTYmahvZJwM=g@mail.gmail.com>
	<341497.1608420857@sss.pgh.pa.us>
	<CA+hUKG+7UHOH2VGRwvJZ=vXUH9pRA-Tp3gP9EHgtjwzjyfOpWg@mail.gmail.com>
	<20201220224040.evr5pduibvm6dze5@alap3.anarazel.de>
	<CA+hUKG+TCoareSYcAu05yaMh9eUck6Hd8FQZt5VEvotNs3YOMQ@mail.gmail.com>
	<CA+hUKGJ8Ww_fjzUzthdxUF6W3JQ3r=a1hWX7Fcfq9uEndZ_+GQ@mail.gmail.com>
	<CA+hUKGL9XFxM0ZO8ZADYJepSmjywknhnDkKSEttfmn2j9fg0BQ@mail.gmail.com>
	<ed3b8e5d-0da8-6ebd-fd1c-e0ac80a4b204@postgrespro.ru>
	<CA+hUKG+L573j4=XWv6S+r-687Yxn0FyXhtObH9_P-Nu_atL2pQ@mail.gmail.com>
	<448b3cb5-0ba0-6dc5-63c7-789e4eebc40b@postgrespro.ru>
	<1283127.1610554395@sss.pgh.pa.us>
	<1286060.1610558607@sss.pgh.pa.us>
	<1297389.1610562046@sss.pgh.pa.us>
	<1341608.1610580122@sss.pgh.pa.us>
	<c2e08e38-e4bd-780d-62df-4a33b537b75e@postgrespro.ru>

>> The symptoms sound consistent with using bleeding-edge Xcode on a
>> Catalina machine ... please report exact OS and Xcode versions.
> 
> macOS 10.15.7 (19H2)
> Xcode 12.3 (12C33)
> macOS SDK 11.1 (20C63)
> 

Everything is fine if I run "configure" with
PG_SYSROOT=/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk

I noticed that "cc" invoked from command line uses:
-isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk

But "xcodebuild -version -sdk macosx Path" invoked by "configure" when 
PG_SYSROOT is not provided gives:
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk

Now I'm confused about different SDK versions and locations used by 
Xcode and CommandLineTools :)





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  To: pgsql-hackers@postgresql.org
  Cc: s.shinderuk@postgrespro.ru, tgl@sss.pgh.pa.us, thomas.munro@gmail.com
  Subject: Re: pg_preadv() and pg_pwritev()
  In-Reply-To: <d90658e6-490e-db57-cd64-98868abe79cd@postgrespro.ru>

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