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Blind_Sniper Guru
Joined: 20 Apr 2018 Posts: 367
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Posted: Wed Dec 18, 2024 12:05 pm Post subject: How do I get rid of LLVM? |
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Hi.
Finally llvm-related software became the most bloated part of the system (apart from qt). As far as I understand llvm is just a kind of frontend to compilers, so I wondering, is it possible to get rid of this bloatware?
If there is useful info about it, please share
Thanks _________________ GNU is Not Usable |
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Hu Administrator
Joined: 06 Mar 2007 Posts: 22841
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Posted: Wed Dec 18, 2024 12:13 pm Post subject: |
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You can remove it just like anything else: emerge --ask --verbose --depclean sys-devel/llvm. If it is on your system, this will probably fail with a message about some package that needs it. Add that package to the depclean list and retry. Keep growing the list until either you find a package you're not willing to remove, or you get a successful run. In some cases, packages conditionally need it based on a USE flag. If that is your situation, disabling the USE flag (and rebuilding the affected package) may let you remove LLVM without removing the consuming package. This depends on whether the USE flag controls a feature you are not willing to remove.
My guess is that you will fail, as most modern graphical desktops want Mesa, and Mesa wants LLVM, at least in the common configurations. However, some less common configurations, and anything that can remove Mesa, may not be blocked here. |
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Blind_Sniper Guru
Joined: 20 Apr 2018 Posts: 367
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Posted: Wed Dec 18, 2024 1:43 pm Post subject: |
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Thanks ofr reply!
Code: | emerge --ask --verbose --depclean llvm
Calculating dependencies... done!
llvm-core/llvm-18.1.8-r1 pulled in by:
dev-util/intel_clc-24.2.8 requires llvm-core/llvm:18/18.1=, llvm-core/llvm:18=
dev-util/spirv-llvm-translator-18.1.4 requires llvm-core/llvm:18/18.1=[abi_x86_64(-)], llvm-core/llvm:18=[abi_x86_64(-)]
llvm-core/clang-18.1.8 requires ~llvm-core/llvm-18.1.8[llvm_targets_AMDGPU], ~llvm-core/llvm-18.1.8[llvm_targets_LoongArch], ~llvm-core/llvm-18.1.8[llvm_targets_Lanai], ~llvm-core/llvm-18.1.8[llvm_targets_MSP430], ~llvm-core/llvm-18.1.8[llvm_targets_ARM], ~llvm-core/llvm-18.1.8[llvm_targets_AVR], ~llvm-core/llvm-18.1.8[llvm_targets_WebAssembly], ~llvm-core/llvm-18.1.8[llvm_targets_Sparc], ~llvm-core/llvm-18.1.8[llvm_targets_Mips], ~llvm-core/llvm-18.1.8[llvm_targets_XCore], ~llvm-core/llvm-18.1.8[llvm_targets_NVPTX], ~llvm-core/llvm-18.1.8[llvm_targets_SystemZ], ~llvm-core/llvm-18.1.8[llvm_targets_AArch64], ~llvm-core/llvm-18.1.8:18/18.1=[-debug,abi_x86_64(-)], ~llvm-core/llvm-18.1.8[llvm_targets_PowerPC], ~llvm-core/llvm-18.1.8[llvm_targets_Hexagon], ~llvm-core/llvm-18.1.8[llvm_targets_X86], ~llvm-core/llvm-18.1.8[llvm_targets_RISCV], ~llvm-core/llvm-18.1.8[llvm_targets_BPF], ~llvm-core/llvm-18.1.8[llvm_targets_VE]
llvm-core/llvm-toolchain-symlinks-18-r1 requires llvm-core/llvm:18
llvm-core/llvmgold-18 requires llvm-core/llvm:18[binutils-plugin]
media-libs/mesa-24.2.8 requires llvm-core/llvm:18[llvm_targets_AMDGPU(+),abi_x86_64(-)] |
Code: | emerge --ask --verbose --depclean dev-util/intel_clc
Calculating dependencies... done!
dev-util/intel_clc-24.2.8 pulled in by:
media-libs/mesa-24.2.8 requires ~dev-util/intel_clc-24.2.8 |
It seems only mesa depends on llvm . I removed mesa (built from sources) and installed it from binhost, and the same for intel_clc, but emerge --depclean still says that llvm is still required by mesa/intel_clc. Why binary packages requires compilers? _________________ GNU is Not Usable |
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Hu Administrator
Joined: 06 Mar 2007 Posts: 22841
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Posted: Wed Dec 18, 2024 2:24 pm Post subject: |
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LLVM is not just a compiler. Look at the list of libraries it installs. Even if it were only a compiler, if your depclean has --with-bdeps=y, then Portage would retain packages that you would need if you chose to rebuild Mesa from source. |
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Blind_Sniper Guru
Joined: 20 Apr 2018 Posts: 367
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Posted: Wed Dec 18, 2024 4:17 pm Post subject: |
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At least switching to binary mesa prevented two new huge packages from being pulled in: llvm-runtimes/compiler-rt and llvm-runtimes/compiler-rt-sanitizers.
Not bad. _________________ GNU is Not Usable |
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Anon-E-moose Watchman
Joined: 23 May 2008 Posts: 6173 Location: Dallas area
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Posted: Wed Dec 18, 2024 4:22 pm Post subject: |
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a whole 57 meg ... impressive. _________________ UM780, 6.1 zen kernel, gcc 13, profile 17.0 (custom bare multilib), openrc, wayland |
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Blind_Sniper Guru
Joined: 20 Apr 2018 Posts: 367
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Posted: Wed Dec 18, 2024 4:58 pm Post subject: |
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Anon-E-moose wrote: | a whole 57 meg ... impressive. |
137 Mb, and a lot of time... _________________ GNU is Not Usable |
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