From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Sergey Shinderuk <s(dot)shinderuk(at)postgrespro(dot)ru> |
Cc: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: pg_preadv() and pg_pwritev() |
Date: | 2021-01-15 02:04:10 |
Message-ID: | 1622107.1610676250@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Sergey Shinderuk <s(dot)shinderuk(at)postgrespro(dot)ru> writes:
> I see that "xcrun --sdk macosx --show-sdk-path" really calls
> "/Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -sdk
> macosx -version Path" under the hood.
Hmm. I found something odd on my wife's Mac: although on my other
machines, I get something like
$ xcrun --verbose --no-cache --show-sdk-path
xcrun: note: looking up SDK with '/Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk -version PlatformPath'
xcrun: note: PATH = '/Users/tgl/testversion/bin:/usr/local/autoconf-2.69/bin:/Users/tgl/bin:/usr/local/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin:/Library/Apple/usr/bin:/Library/Tcl/bin:/opt/X11/bin'
xcrun: note: SDKROOT = '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk'
xcrun: note: TOOLCHAINS = ''
xcrun: note: DEVELOPER_DIR = '/Applications/Xcode.app/Contents/Developer'
xcrun: note: XCODE_DEVELOPER_USR_PATH = ''
xcrun: note: xcrun_db = '/var/folders/3p/2bnrmypd17jcqbtzw79t9blw0000gn/T/xcrun_db'
xcrun: note: lookup resolved to: '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform'
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk
on her machine there's no detail at all:
% xcrun --verbose --no-cache --show-sdk-path
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk
So I'm not sure what to make of that. But I'm hesitant to assume
that xcrun is just a wrapper around xcodebuild.
regards, tom lane
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