[llvm-dev] error in building llvm with default options

Fri Jan 3 02:13:04 PST 2020

Hi all,

the following could also be of interest:  http://lists.llvm.org/pipermail/llvm-dev/2019-November/thread.html#137226 <http://lists.llvm.org/pipermail/llvm-dev/2019-November/thread.html#137226>

David

> On 3. Jan 2020, at 08:21, Kókai Péter via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
> Hello,
> 
> I am willing to work on changing the defaults reducing memory for build. Do you have a link for discussion about the agreement?
> I am just looking for pointers - as I am pretty much inexperienced with llvm compilation - that could be checked out for finding better defaults. Regardless I am going to check out things mentioned in this thread.
> 
> --
> Kokan
> 
> 
> On Thu, 2 Jan 2020, 10:12 pm Reid Kleckner via llvm-dev, <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
> The last time this came up, we agreed something should be done to fix the defaults, but nobody picked it up and ran with it. I think there was consensus, it just needs legwork now.
> 
> On Thu, Jan 2, 2020 at 11:58 AM Aaron Smith via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
> There was a recent thread on reducing memory:
> http://lists.llvm.org/pipermail/llvm-dev/2019-June/thread.html#133215 <http://lists.llvm.org/pipermail/llvm-dev/2019-June/thread.html#133215>
> 
> On Thu, Jan 2, 2020 at 11:24 AM David Blaikie via llvm-dev
> <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
> >
> > Various options for reducing memory usage when building LLVM:
> > * Don't use bfd-ld, at least use gold, probably use lld if you have it available
> > * With Ninja and/or CMake there's some way to specify the maximum number of concurrent linkactions - lower this to fit in your available memory
> > * If you're building with debug info: Use Split DWARF
> >
> >
> > On Thu, Jan 2, 2020 at 5:21 AM Kókai Péter via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
> >>
> >> Hello,
> >>
> >> I cannot tell you if this is due to ram, but I had ram issue with 32
> >> GB + 16 core when build with default options (clang was around 1 GB
> >> binary), you could try to enable shared libraries(BUILD_SHARED_LIBS).
> >> In that case I did not run into out of memory kind of issues.
> >>
> >> --
> >> Kokan
> >>
> >> On Thu, 2 Jan 2020 at 14:14, Priyanka Panigrahi via llvm-dev
> >> <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
> >> >
> >> > hello,
> >> >
> >> > I am trying to build LLVM with default options. I am getting the following error message after make.
> >> >
> >> > [100%] Building C object tools/llvm-c-test/CMakeFiles/llvm-c-test.dir/metadata.c.o
> >> > [100%] Building C object tools/llvm-c-test/CMakeFiles/llvm-c-test.dir/module.c.o
> >> > [100%] Building C object tools/llvm-c-test/CMakeFiles/llvm-c-test.dir/object.c.o
> >> > [100%] Building C object tools/llvm-c-test/CMakeFiles/llvm-c-test.dir/targets.c.o
> >> > [100%] Linking CXX executable ../../bin/llvm-c-test
> >> > clang: error: unable to execute command: Killed
> >> > clang: error: linker command failed due to signal (use -v to see invocation)
> >> > tools/llvm-lto/CMakeFiles/llvm-lto.dir/build.make:211: recipe for target 'bin/llvm-lto' failed
> >> > make[2]: *** [bin/llvm-lto] Error 254
> >> > CMakeFiles/Makefile2:21155: recipe for target 'tools/llvm-lto/CMakeFiles/llvm-lto.dir/all' failed
> >> > make[1]: *** [tools/llvm-lto/CMakeFiles/llvm-lto.dir/all] Error 2
> >> > [100%] Built target llvm-lipo
> >> > clang: error: unable to execute command: Killed
> >> > clang: error: linker command failed due to signal (use -v to see invocation)
> >> > tools/llc/CMakeFiles/llc.dir/build.make:212: recipe for target 'bin/llc' failed
> >> > make[2]: *** [bin/llc] Error 254
> >> > CMakeFiles/Makefile2:22024: recipe for target 'tools/llc/CMakeFiles/llc.dir/all' failed
> >> > make[1]: *** [tools/llc/CMakeFiles/llc.dir/all] Error 2
> >> > clang: error: unable to execute command: Killed
> >> > clang: error: linker command failed due to signal (use -v to see invocation)
> >> > tools/dsymutil/CMakeFiles/dsymutil.dir/build.make:476: recipe for target 'bin/dsymutil' failed
> >> > make[2]: *** [bin/dsymutil] Error 254
> >> > CMakeFiles/Makefile2:21803: recipe for target 'tools/dsymutil/CMakeFiles/dsymutil.dir/all' failed
> >> > make[1]: *** [tools/dsymutil/CMakeFiles/dsymutil.dir/all] Error 2
> >> > clang: error: unable to execute command: Killed
> >> > clang: error: linker command failed due to signal (use -v to see invocation)
> >> > tools/llvm-dwp/CMakeFiles/llvm-dwp.dir/build.make:230: recipe for target 'bin/llvm-dwp' failed
> >> > make[2]: *** [bin/llvm-dwp] Error 254
> >> > CMakeFiles/Makefile2:24606: recipe for target 'tools/llvm-dwp/CMakeFiles/llvm-dwp.dir/all' failed
> >> > make[1]: *** [tools/llvm-dwp/CMakeFiles/llvm-dwp.dir/all] Error 2
> >> > clang: error: unable to execute command: Killed
> >> > clang: error: linker command failed due to signal (use -v to see invocation)
> >> > tools/llvm-lto2/CMakeFiles/llvm-lto2.dir/build.make:210: recipe for target 'bin/llvm-lto2' failed
> >> > make[2]: *** [bin/llvm-lto2] Error 254
> >> > CMakeFiles/Makefile2:26436: recipe for target 'tools/llvm-lto2/CMakeFiles/llvm-lto2.dir/all' failed
> >> > make[1]: *** [tools/llvm-lto2/CMakeFiles/llvm-lto2.dir/all] Error 2
> >> > [100%] Built target lli
> >> > clang: error: unable to execute command: Killed
> >> > clang: error: linker command failed due to signal (use -v to see invocation)
> >> > tools/llvm-isel-fuzzer/CMakeFiles/llvm-isel-fuzzer.dir/build.make:238: recipe for target 'bin/llvm-isel-fuzzer' failed
> >> > make[2]: *** [bin/llvm-isel-fuzzer] Error 254
> >> > CMakeFiles/Makefile2:25580: recipe for target 'tools/llvm-isel-fuzzer/CMakeFiles/llvm-isel-fuzzer.dir/all' failed
> >> > make[1]: *** [tools/llvm-isel-fuzzer/CMakeFiles/llvm-isel-fuzzer.dir/all] Error 2
> >> > [100%] Built target llvm-opt-fuzzer
> >> > [100%] Built target llvm-c-test
> >> > [100%] Built target LTO
> >> > Makefile:151: recipe for target 'all' failed
> >> > make: *** [all] Error 2
> >> >
> >> > Is it because of RAM? I am trying to build in a 16GB RAM, 12 core processor.
> >> > Can anyone please help what am I missing?
> >> >
> >> > Thank you for your time.
> >> >
> >> > Priyanka
> >> > _______________________________________________
> >> > LLVM Developers mailing list
> >> > llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>
> >> > https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev <https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev>
> >> _______________________________________________
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> >> https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev <https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev>
> >
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