```
git clone https://git.proxmox.com/git/pve-kernel.git
make submodule
```
Then I added `-e CONFIG_LTO_CLANG` and `-e CONFIG_LTO_CLANG_FULL` into `pve-kernel/debian/rules` 's `PMX_CONFIG_OPTS` then `make LLVM=1`, but errors came out:

git clone https://git.proxmox.com/git/pve-kernel.git
make submodule
```
Then I added `-e CONFIG_LTO_CLANG` and `-e CONFIG_LTO_CLANG_FULL` into `pve-kernel/debian/rules` 's `PMX_CONFIG_OPTS` then `make LLVM=1`, but errors came out:

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