Re: Using a custom LDFLAG for all objects and binaries
From: Randy Dunlap
Date: Sun May 10 2020 - 13:50:20 EST
On 5/10/20 10:13 AM, Mahmood Naderan wrote:
>> Have you read Documentation/kbuild/makefiles.rst ?
>>
>> LDFLAGS
>> Generic $(LD) options
>>
>> Flags used for all invocations of the linker.
>
>
> What I see is this in Documentation/kbuild/makefiles.txt
>
> LDFLAGS Generic $(LD) options
>
> Flags used for all invocations of the linker.
> Often specifying the emulation is sufficient.
>
> Example:
> #arch/s390/Makefile
> LDFLAGS := -m elf_s390
> Note: ldflags-y can be used to further customise
> the flags used. See chapter 3.7.
>
>
>
> I have two questions then:
> 1- Can I use that as a bash variable? Like "LDFLAGS=--emit-relocs make"
I don't know. You could experiment with it to see.
(again by using 'make V=1' to see the commands that are being used)
> or
> 2- Editing arch/x86/Makefile with
> KBUILD_LDFLAGS := -m --emit-relocs elf_$(UTS_MACHINE)
That should work.
> Thanks for your help.
It would be better to ask these questions on the linux-kbuild mailing list
(added now).
--
~Randy