[llvm-dev] GN build roundtable summary; adding GN build files to the repo (original) (raw)
Zachary Turner via llvm-dev llvm-dev at lists.llvm.org
Wed Oct 31 15:29:18 PDT 2018
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On Wed, Oct 31, 2018 at 3:11 PM Nicolai Hähnle via llvm-dev < llvm-dev at lists.llvm.org> wrote:
Besides, how on earth are you using LLVM that cmake times are an issue? Given that cmake times seem to be the only argument you have in favor of GN... I just measured the typical case (for LLVM only, debug build, all non-experimental targets enabled) by touching all files. cmake takes 5 seconds to run, while the build as a whole takes about 5 minutes. (This is on Ubuntu 18.10, in case that matters.)
I am using CMake with LLVM with all targets OFF except for x86. Only clang, lldb, and lld enabled.
$ timecmd cmake ........\llvm-mono\llvm command took 0:0:34.05 (34.05s total) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20181031/58a560b8/attachment.html>
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