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v_0ver
n00b
Joined: 09 Mar 2018
Posts: 13
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 Posted: Fri Jun 28, 2024 7:48 am Post subject: How to automatically rebuild Rust when upgrading LLVM |
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When updating | Code: | | emerge -avquDN rust llvm |
if only llvm is updated, then rust is not rebuilt and remains dependent on the old version. Is it possible to somehow specify that when the dependencies are updated, the target program is also rebuild?
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NeddySeagoon
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Joined: 05 Jul 2003
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Location: 56N 3W
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| Posted: Fri Jun 28, 2024 9:12 am Post subject: |
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v_0ver,
In short, you can't. Rust is very picky about its llvm version.
The rust ebuild says
| Code: | # keep in sync with llvm ebuild of the same version as bundled one.
ALL_LLVM_TARGETS=( AArch64 AMDGPU ARC ARM AVR BPF CSKY DirectX Hexagon Lanai
LoongArch M68k Mips MSP430 NVPTX PowerPC RISCV Sparc SPIRV SystemZ VE
WebAssembly X86 XCore Xtensa )
ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
LLVM_TARGET_USEDEPS=${ALL_LLVM_TARGETS[@]/%/(-)?} |
so even though the bundled LLVM is not forced, the LLVM version is.
You can patch that in your local overlay. That's your gentoo your way.
You can also keep all the pieces if it breaks. :)
Don't let that stop you trying.
Its worse than that. Other packages are also tied to LLVM versions, Rust is only one.
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NeddySeagoon
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