[cfe-dev] Fwd: Query regarding clang development

Nikola Smiljanic via cfe-dev cfe-dev at lists.llvm.org
Fri Apr 8 16:21:25 PDT 2016


DCMAKE_C_FLAGS, not DCMAKE_CFLAGS

On Sat, Apr 9, 2016 at 9:20 AM, Nikola Smiljanic <popizdeh at gmail.com> wrote:

> I do it by passing -DCMAKE_CFLAGS=-fuse-ld=gold
> -DCMAKE_CXX_FLAGS=-fuse-ld=gold
>
> On Fri, Apr 8, 2016 at 9:48 PM, Ashwin Ganesh via cfe-dev <
> cfe-dev at lists.llvm.org> wrote:
>
>> How do I use it with cmake? I was just following this link
>> http://llvm.lyngvig.org/Articles/How-to-Enable-the-Gold-Linker-on-Arch-Linux
>>
>> Is running  'export LD = ld.gold' before building clang enough?
>>
>> On Fri, Apr 8, 2016 at 11:54 AM, Nikola Smiljanic <popizdeh at gmail.com>
>> wrote:
>>
>>> Or configuring with -fuse-ld=gold
>>>
>>> On Thu, Apr 7, 2016 at 9:03 PM, Manasij Mukherjee via cfe-dev <
>>> cfe-dev at lists.llvm.org> wrote:
>>>
>>>>
>>>>
>>>>
>>>>> Thanks for the inputs , will try them. Initially when I tried building
>>>>> I got "ld terminated with signal 9 error ", after which I increased the
>>>>> swap file sizeThen, it got successfully built once.
>>>>>  Next I tried building this plugin as given in
>>>>> https://kevinaboos.wordpress.com/2013/07/29/clang-tutorial-part-iii-plugin-example/ .
>>>>> Even building a plugin requires building clang executable again? In this
>>>>> case , I received this error, "error: ld terminated with signal 7 [Bus
>>>>> error], core dumped ". Why did this happen?
>>>>>
>>>>> You are using too much memory when invoking the linker in parallel.
>>>> On Linux, switching to the gold linker (which involves putting an
>>>> appropriate symlink in /usr/local/bin nowadays) will solve this.
>>>>
>>>>
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>>>>
>>>
>>
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>
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