[kvm-unit-tests PATCH v7 2/6] riscv: Set .aux.o files as .PRECIOUS

[Andrew Jones]

On Fri, Feb 14, 2025 at 12:44:15PM +0100, Clément Léger wrote:
> When compiling, we need to keep .aux.o file or they will be removed
> after the compilation which leads to dependent files to be recompiled.
> Set these files as .PRECIOUS to keep them.

There was a thread[1] about this 7 months ago or so. I've CC'ed Nicholas
to see if there were any more thoughts on how we should proceed.

[1] https://lore.kernel.org/all/20240612044234.212156-1-npiggin@gmail.com/

Thanks,
drew

> 
> Signed-off-by: Clément Léger <cleger at rivosinc.com>
> ---
>  riscv/Makefile | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/riscv/Makefile b/riscv/Makefile
> index 52718f3f..ae9cf02a 100644
> --- a/riscv/Makefile
> +++ b/riscv/Makefile
> @@ -90,6 +90,7 @@ CFLAGS += -I $(SRCDIR)/lib -I $(SRCDIR)/lib/libfdt -I lib -I $(SRCDIR)/riscv
>  asm-offsets = lib/riscv/asm-offsets.h
>  include $(SRCDIR)/scripts/asm-offsets.mak
>  
> +.PRECIOUS: %.aux.o
>  %.aux.o: $(SRCDIR)/lib/auxinfo.c
>  	$(CC) $(CFLAGS) -c -o $@ $< \
>  		-DPROGNAME=\"$(notdir $(@:.aux.o=.$(exe)))\" -DAUXFLAGS=$(AUXFLAGS)
> -- 
> 2.47.2
>