Date: Mon, 20 Aug 2018 07:26:50 -0700 (PDT) From: "Rodney W. Grimes" <freebsd-rwg@pdx.rh.CN85.dnsmgr.net> To: Dimitry Andric <dim@freebsd.org> Cc: blubee blubeeme <gurenchan@gmail.com>, FreeBSD Current <freebsd-current@freebsd.org>, Brooks Davis <brooks@freebsd.org> Subject: Re: building LLVM threads gets killed Message-ID: <201808201426.w7KEQo9j074809@pdx.rh.CN85.dnsmgr.net> In-Reply-To: <ADEB4D33-A16C-427D-BE9B-1F25E591B0C7@FreeBSD.org>
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> On 20 Aug 2018, at 05:01, blubee blubeeme <gurenchan@gmail.com> wrote: > > > > I am running current compiling LLVM60 and when it comes to linking > > basically all the processes on my computer gets killed; Chrome, Firefox and > > some of the LLVM threads as well > ... > > llvm/build % ninja -j8 > > [2408/2473] Building CXX object > > lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o > > FAILED: lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o > > /usr/bin/c++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D__STDC_CONSTANT_MACROS > > -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Ilib/Passes -I../lib/Passes > > -Iinclude -I../include -isystem /usr/local/include -fPIC > > -fvisibility-inlines-hidden -Werror=date-time > > -Werror=unguarded-availability-new -std=c++11 -Wall -Wextra > > -Wno-unused-parameter -Wwrite-strings -Wcast-qual > > -Wmissing-field-initializers -pedantic -Wno-long-long > > -Wcovered-switch-default -Wnon-virtual-dtor -Wdelete-non-virtual-dtor > > -Wstring-conversion -fdiagnostics-color -g -fno-exceptions -fno-rtti -MD > > -MT lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o -MF > > lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o.d -o > > lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o -c > > ../lib/Passes/PassBuilder.cpp > > c++: error: unable to execute command: Killed > > It is running out of RAM while running multiple parallel link jobs. If > you are building using WITH_DEBUG, turn that off, it consumes large > amounts of memory. If you must have debug info, try adding the > following flag to the CMake command line: > > -D LLVM_PARALLEL_LINK_JOBS:STRING="1" > > That will limit the amount of parallel link jobs to 1, even if you > specify -j 8 to gmake or ninja. > > Brooks, it would not be a bad idea to always use this CMake flag in the > llvm ports. :) And this may also fix the issues that all the small memory (aka, RPI*) buliders are facing when trying to do -j4? -- Rod Grimes rgrimes@freebsd.org
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