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Re: pg_preadv() and pg_pwritev() - Mailing list pgsql-hackers

From Sergey Shinderuk
Subject Re: pg_preadv() and pg_pwritev()
Date
Msg-id d90658e6-490e-db57-cd64-98868abe79cd@postgrespro.ru
Whole thread Raw
In response to Re: pg_preadv() and pg_pwritev()  (Sergey Shinderuk <s.shinderuk@postgrespro.ru>)
Responses Re: pg_preadv() and pg_pwritev()  (Tom Lane <tgl@sss.pgh.pa.us>)
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>> 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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