[PATCH v8 3/5] Cleanup ISA string setting
linux at roeck-us.net
Sun Oct 14 19:13:28 PDT 2018
On 10/14/2018 04:46 PM, Alan Kao wrote:
> Hi Guenter,
> On Sat, Oct 13, 2018 at 05:02:05PM -0700, Guenter Roeck wrote:
>> With this patch in -next applied, I get the following error
>> when building riscv:defconfig.
> I guess what you meant was this commit:
> commit 0a5bee05fc67ce2044b8d91a18abbf14042da531
Yes, sorry, I just blindly assumed that the last version I found must have caused
the problem. You are right, v8 actually fixes it (as suggested below).
> The modification in Makefile was
> -KBUILD_AFLAGS += -march=$(KBUILD_MARCH)$(KBUILD_ARCH_A)fd$(KBUILD_ARCH_C)
> +# ISA string setting
> +riscv-march-$(CONFIG_ARCH_RV32I) := rv32im
> +riscv-march-$(CONFIG_ARCH_RV64I) := rv64im
> +riscv-march-$(CONFIG_RISCV_ISA_A) := $(riscv-march-y)aj
> +riscv-march-y := fd
> +riscv-march-$(CONFIG_RISCV_ISA_C) := $(riscv-march-y)c
> and the ":= fd" line was wrong. It should have been
> +riscv-march-y := $(riscv-march-y)fd
>> What am I missing ? Does RISC-V now require a new non-upstream compiler ?
>> Or a special version of make ? I am currently using GNU Make 4.1.
> So I sent the v8 to fix this problem.
> Sorry for the inconvinience.
No worries. At least this problem was (is going to be) easy to fix.
And, yes, I confirmed that the one-line change above fixes the problem.
> And Palmer, it seems that the patch that causes this build error has been
> pulled into linux-next. Any idea how to fix that one?
> Many thanks,
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