[cfe-dev] Building clang

[Whisperity via cfe-dev]

In addition, if you can stomach slower load times but faster builds, you
can also use -DBUILD_SHARED_LIBS=ON

denis gantsev via cfe-dev <cfe-dev at lists.llvm.org> ezt írta (időpont: 2020.
aug. 15., Szo, 22:23):

> Hi
> Thanks to everyone, indeed, using "-DLLVM_PARALLEL_LINK_JOBS=1
> -DLLVM_USE_LINKER=gold -DLLVM_TARGETS_TO_BUILD=X86", actually worked!
> P.S I had to turn off swap completely, because I prefer process being
> killed than my laptop being unusable
>
> Thanks again
> Regards
> Denis
>
> On Sat, 15 Aug 2020 at 19:22, David Blaikie <dblaikie at gmail.com> wrote:
>
>> GNU ld probably is a bit of a bottleneck here - try gold or lld if you
>> can.
>>
>> But also what Dimitry said - about reducing the number of link steps.
>> Also depends if you build with debug info - that adds a lot. Using
>> Split DWARF can help ease that a bit.
>>
>> On Sat, Aug 15, 2020 at 3:28 AM denis gantsev via cfe-dev
>> <cfe-dev at lists.llvm.org> wrote:
>> >
>> > Hi,
>> > I wanted to play with clang, and was trying to build it according to
>> instructions (https://clang.llvm.org/get_started.html), with GCC 5.5 and
>> GNU ld 2.26.1, running my linux 5.6.7.
>> >
>> > However, the build regularly fails, running out of memory (my laptop
>> has 12Gb RAM). I tried with both "Unix Makefiles" and "Ninja 1.7.1". I did
>> specify explicitly "DLLVM_ENABLE_PROJECTS=clang".
>> >
>> > Is it expected to consume that much memory during build?
>> >
>> > Regards,
>> > Denis
>> > _______________________________________________
>> > cfe-dev mailing list
>> > cfe-dev at lists.llvm.org
>> > https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev
>>
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