Invalid tvOS binaries

[naithar]

When uploading project containing library built with cctools App Store rejects the app with following error:

Invalid Bundle - The app cannot be processed because options not allowed to be embedded in bitcode are detected in the submission.

Using same library built on macOS results in correct application processing.

I've followed steps from #31. But using clang from https://opensource.apple.com/tarballs/clang/clang-800.0.42.1.tar.gz resulted in cctools not building at all (apple-libtapi and cctools was missing -lgcc for some reason).

I've switched to https://github.com/apple/llvm-project and managed to build cctools, but binary was still rejected.
Adding https://github.com/tpoechtrager/xar libraries as a dependency for cctools (since it seems that they are required for -fembed-bitcode and -bundle_bitcode to work) also didn't help.

Also binaries are not exactly corrupted - they do work on both x86_64 simulator and AppleTV device, but App Store rejects the binary for some reason.

Edit:

Also nm /opt/compiler/apple-clang/lib/libLTO.so |grep lto_codegen_hide_symbols from #31 didn't return anything.

[tpoechtrager]

Compare the bitcode files and check what's different. I don't know of a different solution.

https://llvm.org/docs/CommandGuide/llvm-bcanalyzer.html

[naithar]

llvm-bcanalyzer returns llvm-bcanalyzer: Invalid record at top-level for both (working and corrupt) tvOS libraries.

Any reason libLTO.so built from https://github.com/apple/llvm-project doesn't contain lto_codegen_hide_symbols ? Maybe that's the source of the issue? macOS built binary is 10 MB smaller then one build with cctools.

[tpoechtrager]

I don't know. Maybe lto_codegen_hide_symbols is not upstreamed on purpose.

[naithar]

Using -flto seems to be fixing App Store review issue. It requires a lot more time to build the project using such library, but it's better than nothing.

[tpoechtrager]

Interesting. -flto=thin should speed it up a bit.

[naithar]

Thanks! thin gave 3x speedup in building final app.