Hi Nathan,
On 13/02/2020 18:44, Nathan Chancellor wrote:
> On Thu, Feb 13, 2020 at 04:16:14PM +0000, Vincenzo Frascino wrote:
>> Enable Clang Compilation for the vdso32 library.
[...]
>> +LD_COMPAT ?= $(CROSS_COMPILE_COMPAT)gcc
>
> Well this is unfortunate :/
>
> It looks like adding the --target flag to VDSO_LDFLAGS allows
> clang to link the vDSO just fine although it does warn that -nostdinc
> is unused:
>
> clang-11: warning: argument unused during compilation: '-nostdinc'
> [-Wunused-command-line-argument]
>
This is why ended up in this "unfortunate" situation :) I wanted to avoid the
warning.
> It would be nice if the logic of commit fe00e50b2db8 ("ARM: 8858/1:
> vdso: use $(LD) instead of $(CC) to link VDSO") could be adopted here
> but I get that this Makefile is its own beast :) at the very least, I
> think that the --target flag should be added to VDSO_LDFLAGS so that gcc
> is not a requirement for this but I am curious if you tried that already
> and noticed any issues with it.
>
--target is my preferred way as well, I can try to play another little bit with
the flags and see what I can come up with in the next version.
> Cheers,
> Nathan
[...]
--
Regards,
Vincenzo
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