On Mon, Dec 20, 2021 at 7:53 PM Aman Karmani <ffm...@tmm1.net> wrote:
> > > On Mon, Dec 20, 2021 at 5:48 PM Christopher Degawa <c...@randomderp.com> > wrote: > >> >> >> On Mon, Dec 20, 2021 at 7:21 PM Aman Karmani <ffm...@tmm1.net> wrote: >> >>> >>> >>> On Mon, Dec 20, 2021 at 5:03 PM Helmut K. C. Tessarek < >>> tessa...@evermeet.cx> wrote: >>> >>>> -----BEGIN PGP SIGNED MESSAGE----- >>>> Hash: SHA512 >>>> >>>> On 2021-12-20 19:11, Christopher Degawa wrote: >>>> > So I've exported "LIBRARY_PATH" to >>>> >>>> I'm sorry to say, this is a workaround but hardly a solution. >>>> >>> >>> No one said this is the solution. We are just trying to figure out what >>> is going on, and this added information is very helpful in that effort. >>> >>> >>>> Before these 2 commits all worked perfectly. Now it doesn't. Tweaking >>>> the >>>> build env is not a solution. >>>> Next time someone commits something, are we supposed to tweak it again? >>>> Where does it end? >>>> >>> >>> I'm not sure what your point is. If you are having trouble with those >>> commits, then you can use an older version? >>> >>> Or you can compile with `./configure --disable-metal` to disable the new >>> feature. >>> >>> Obviously the code worked on both my and Ridley's computers. If it >>> didn't work, we wouldn't have committed it. >>> >>> Once we figure out why some computers are using the wrong metal binary, >>> then we can fix it and commit the fix to master as well. >>> >> >> >> Digging a bit into xcrun itself, looking at >> https://real-world-systems.com/docs/xcrun.1.html, it says >> >> > The SDK which will be searched defaults to the most recent available >> SDK >> >> and >> >> xcodebuild -version -sdk | head >> iPhoneOS14.3.sdk - iOS 14.3 (iphoneos14.3) >> SDKVersion: 14.3 >> Path: >> /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS14.3.sdk >> PlatformVersion: 14.3 >> >> Which I'm guessing might be the reason, but still doesn't really make >> logical sense and running >> >> xcrun --verbose metal -v >> ... >> xcrun: note: SDKROOT = >> '/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk' >> ... >> xcrun: note: lookup resolved in >> '/var/folders/yf/4yc0fdvx7zv1t17w41kxmr0r0000gn/T/xcrun_db' : >> '/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/metal' >> Apple LLVM version 31001.43 (metalfe-31001.43) >> Target: air64-apple-darwin19.6.0 >> Thread model: posix >> InstalledDir: >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/metal/ios/bin >> >> which also, doesn't make sense. >> >> exporting SDKROOT to `macosx` does make it show >> >> xcrun: note: SDKROOT = >> '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk' >> >> xcrun: note: lookup resolved in >> '/var/folders/yf/4yc0fdvx7zv1t17w41kxmr0r0000gn/T/xcrun_db' : >> '/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/metal' >> Apple LLVM version 31001.143 (metalfe-31001.143) >> Target: air64-apple-darwin19.6.0 >> Thread model: posix >> InstalledDir: >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/metal/macos/bin >> >> so, I'm not sure what conclusion to bring from this. >> > > Thanks for digging in and documenting this behavior. > > It seems like a bug in Xcode to me. Perhaps it's fixed in newer XC, which > is why we're not seeing it? > > It may be worth filing a radar either way. > > As an additional note, just spun up a new mac1.metal instance with macOS 10.15 to see if I could compile ffmpeg with nothing in the system other than build tools and I am getting an error of xcrun: error: unable to find utility "metal", not a developer tool or in PATH and realized that I can't even run xcodebuild because xcodebuild --version xcode-select: error: tool 'xcodebuild' requires Xcode, but active developer directory '/Library/Developer/CommandLineTools' is a command line tools instance It might be better to first check if `$metalcc --version` even runs first before enabling or even checking if metal works _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
