Tested-by: Bamvor Jian Zhang <bamvor.zhangjian@xxxxxxxxxx>
On 9 February 2017 at 16:56, Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote:
> Both these rules incorrectly use $< (first prerequisite) rather than
> $^ (all prerequisites), meaning they don't work if we're using more than
> one .S file as input. Switch them to using $^.
>
> They also don't include $(CPPFLAGS) and other variables used in the
> default rules, which breaks targets that require those. Fix that by
> using the builtin $(COMPILE.S) and $(LINK.S) rules.
>
> Fixes: a8ba798bc8ec ("selftests: enable O and KBUILD_OUTPUT")
> Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> ---
> tools/testing/selftests/lib.mk | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
> index 98841c54763a..ce96d80ad64f 100644
> --- a/tools/testing/selftests/lib.mk
> +++ b/tools/testing/selftests/lib.mk
> @@ -54,9 +54,9 @@ $(OUTPUT)/%:%.c
> $(LINK.c) $^ $(LDLIBS) -o $@
>
> $(OUTPUT)/%.o:%.S
> - $(CC) $(ASFLAGS) -c $< -o $@
> + $(COMPILE.S) $^ -o $@
>
> $(OUTPUT)/%:%.S
> - $(CC) $(ASFLAGS) $< -o $@
> + $(LINK.S) $^ $(LDLIBS) -o $@
>
> .PHONY: run_tests all clean install emit_tests
> --
> 2.7.4
>
> --
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