Re: [PATCH] llvm: add binutils-plugin PACKAGECONFIG for LLVMgold.so

["mark.yang" <mark.yang@lge.com>]

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This patch is an update to following patches.
https://lists.openembedded.org/g/openembedded-core/topic/117252728 [PATCH] llvm: enable LLVMgold.so build by adding binutils dependency
https://lists.openembedded.org/g/openembedded-core/topic/patch_v2_llvm_enable/117274480 [PATCH v2] llvm: enable LLVMgold.so build by adding binutils dependency

When build component using clang that utilize lto, and when the LLD linker connot be used (Use bfd), the LLVMgold.so plugin is required in the native sysroot.
LLVMgold.so plugin is generated when binutils-plugin is enabled.
libLTO.so.21.1 is generated on the target even if it is not enabled.

The reason they were bundled in to the same package is to distribute them via the nativesdk package.

As Deepesh suggested, I mae it possible to enable this via the binutils-plugin rather than having it always built into LLVM.
The name "binutils-plugin" was inspired by gentoo's name convention. https://packages.gentoo.org/useflags/binutils-plugin

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