Re: [PATCH v3 2/9] KVM: selftests: Unify the makefile rule for split targets

[Haibo Xu]

On Tue, Oct 3, 2023 at 6:28 PM Andrew Jones <ajones@xxxxxxxxxxxxxxxx> wrote:
>
> On Thu, Sep 14, 2023 at 09:36:56AM +0800, Haibo Xu wrote:
> > A separate makefile rule was used for split targets which was added
> > in patch(KVM: arm64: selftests: Split get-reg-list test code). This
> > could be avoided by minor changes to the recipes of current rule.
> >
> > Signed-off-by: Haibo Xu <haibo1.xu@xxxxxxxxx>
> > ---
> >  tools/testing/selftests/kvm/Makefile | 6 ++----
> >  1 file changed, 2 insertions(+), 4 deletions(-)
> >
> > diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
> > index a3bb36fb3cfc..7972269e8c5f 100644
> > --- a/tools/testing/selftests/kvm/Makefile
> > +++ b/tools/testing/selftests/kvm/Makefile
> > @@ -249,13 +249,10 @@ TEST_DEP_FILES += $(patsubst %.o, %.d, $(SPLIT_TESTS_OBJS))
> >  -include $(TEST_DEP_FILES)
> >
> >  $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): %: %.o
> > -     $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) $< $(LIBKVM_OBJS) $(LDLIBS) -o $@
> > +     $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) $^ $(LDLIBS) -o $@
> >  $(TEST_GEN_OBJ): $(OUTPUT)/%.o: %.c
> >       $(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c $< -o $@
> >
> > -$(SPLIT_TESTS_TARGETS): %: %.o $(SPLIT_TESTS_OBJS)
> > -     $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) $^ $(LDLIBS) -o $@
> > -
> >  EXTRA_CLEAN += $(LIBKVM_OBJS) $(TEST_DEP_FILES) $(TEST_GEN_OBJ) $(SPLIT_TESTS_OBJS) cscope.*
> >
> >  x := $(shell mkdir -p $(sort $(dir $(LIBKVM_C_OBJ) $(LIBKVM_S_OBJ))))
> > @@ -274,6 +271,7 @@ $(LIBKVM_STRING_OBJ): $(OUTPUT)/%.o: %.c
> >  x := $(shell mkdir -p $(sort $(dir $(TEST_GEN_PROGS))))
> >  $(TEST_GEN_PROGS): $(LIBKVM_OBJS)
> >  $(TEST_GEN_PROGS_EXTENDED): $(LIBKVM_OBJS)
> > +$(SPLIT_TESTS_TARGETS): $(OUTPUT)/%: $(ARCH_DIR)/%.o
> >
> >  cscope: include_paths = $(LINUX_TOOL_INCLUDE) $(LINUX_HDR_PATH) include lib ..
> >  cscope:
> > --
> > 2.34.1
> >
>
> I just noticed that with and without this patch we're building the
> arch-specific part in tools/testing/selftests/kvm/riscv even when we have
> an $(OUTPUT) directory (e.g. O=build). Those build artifacts should be in
> build/kselftest/kvm/riscv instead.
>

Thanks for pointing it out. I will have a look in next week!

> Thanks,
> drew