[llvm-dev] (Thin)LTO llvm build

[Teresa Johnson via llvm-dev]

On Sat, Oct 1, 2016 at 3:47 PM, Xinliang David Li <xinliangli at gmail.com>
wrote:

> -plugin-opt is a gold linker option. Turn on gold linker with
> -fuse-ld=gold
>

But something is odd then - if the builds aren't using gold then I don't
see how ThinLTO could have been kicking in?
Teresa


> David
>
> On Sat, Oct 1, 2016 at 2:20 PM, Carsten Mattner via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
>> Hmm, something wasn't accepted in -Wl flags.
>>
>> clang -O2 -pipe -fstack-protector-strong
>>   --param=ssp-buffer-size=4 -march=x86-64 -mtune=generic
>>   -Wl,-O1,--sort-common,--as-needed,-z,relro,--hash-style=gnu
>>   -Wl,--gc-sections -Wl,-plugin-opt,-function-sections
>>   -Wl,-plugin-opt,-data-sections CMakeFiles/cmTC_358cb.dir/test
>> CCompiler.c.o
>>   -o cmTC_358cb && :
>>
>>   /usr/bin/ld: bad -plugin-opt option
>>
>>   clang-3.9: error: linker command failed with exit code 1 (use -v to see
>>   invocation)
>>
>>   ninja: build stopped: subcommand failed.
>> _______________________________________________
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>> llvm-dev at lists.llvm.org
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>>
>
>


-- 
Teresa Johnson |  Software Engineer |  tejohnson at google.com |  408-460-2413
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