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Groups > linux.kernel > #1164541
| From | Alexei Starovoitov <ast@plumgrid.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC PATCH v7 23/37] perf tools: Introduce llvm config options |
| Date | 2015-06-13 06:50 +0200 |
| Message-ID | <pALyi-2fu-3@gated-at.bofh.it> (permalink) |
| References | <pApR7-4oZ-3@gated-at.bofh.it> <pApR9-4oZ-23@gated-at.bofh.it> <pAJwu-83z-7@gated-at.bofh.it> <pALoB-23T-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 6/12/15 9:11 PM, pi3orama wrote: > > > 发自我的 iPhone > >> 在 2015年6月13日，上午10:31，Alexei Starovoitov <ast@plumgrid.com> 写道： >> >>> On 6/11/15 10:35 PM, Wang Nan wrote: >>> # Path to clang. If omit, search it from $PATH. >>> clang-path = "/path/to/clang" >> >> I think this bit and search_program() from the next patch is >> overly flexible. It's always delicate to search file paths. > > About this clang-path: in my environment the name of clang is x86_64-oe-linux-clang, and installed in /usr/bin/llvm-3.7, neither in $PATH nor has its default name. This is the default setting of yocto and open-embedded based systems. Please see do_install part in building script of it: > > https://github.com/openembedded/meta-oe/blob/master/meta-oe/recipes-core/llvm/llvm.inc well, that setup installs host backend only due to: --enable-targets=host-only in the above script, whereas typical clang install on ubuntu/fedora includes all backends. So in your case you'd need to install another clang. I agree that the name can be different than just 'clang', so yeah 'clang-path' is needed for this reason. So I'm ok keeping patches 23 and 24 as-is. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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Re: [RFC PATCH v7 23/37] perf tools: Introduce llvm config options pi3orama <pi3orama@163.com> - 2015-06-13 06:40 +0200 Re: [RFC PATCH v7 23/37] perf tools: Introduce llvm config options Alexei Starovoitov <ast@plumgrid.com> - 2015-06-13 06:50 +0200
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