diff mbox series

nds32: vdso: fix and clean-up Makefile

Message ID 1554280633-11457-1-git-send-email-yamada.masahiro@socionext.com
State Superseded
Headers show
Series nds32: vdso: fix and clean-up Makefile | expand

Commit Message

Masahiro Yamada April 3, 2019, 8:37 a.m. UTC
- $(call if_changed,...) must have FORCE as a prerequisite

- vdso.lds is a generated file, so it should be prefixed with
  $(obj)/ instead of $(src)/.

- cmd_vdsosym is a one-liner rule, so the assignment with '='
  is simpler.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

---

 arch/nds32/kernel/vdso/Makefile | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

-- 
2.7.4

Comments

Masahiro Yamada April 18, 2019, 9:37 a.m. UTC | #1
Hi Greentime,


On Wed, Apr 3, 2019 at 5:38 PM Masahiro Yamada
<yamada.masahiro@socionext.com> wrote:
>

> - $(call if_changed,...) must have FORCE as a prerequisite

>

> - vdso.lds is a generated file, so it should be prefixed with

>   $(obj)/ instead of $(src)/.

>

> - cmd_vdsosym is a one-liner rule, so the assignment with '='

>   is simpler.

>

> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

> ---


Ping?


>  arch/nds32/kernel/vdso/Makefile | 8 +++-----

>  1 file changed, 3 insertions(+), 5 deletions(-)

>

> diff --git a/arch/nds32/kernel/vdso/Makefile b/arch/nds32/kernel/vdso/Makefile

> index e6c50a7..01a9610 100644

> --- a/arch/nds32/kernel/vdso/Makefile

> +++ b/arch/nds32/kernel/vdso/Makefile

> @@ -28,7 +28,7 @@ CPPFLAGS_vdso.lds += -P -C -U$(ARCH)

>  $(obj)/vdso.o : $(obj)/vdso.so

>

>  # Link rule for the .so file, .lds has to be first

> -$(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso)

> +$(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE

>         $(call if_changed,vdsold)

>

>

> @@ -40,9 +40,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE

>  # Generate VDSO offsets using helper script

>  gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh

>  quiet_cmd_vdsosym = VDSOSYM $@

> -define cmd_vdsosym

> -       $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@

> -endef

> +      cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@

>

>  include/generated/vdso-offsets.h: $(obj)/vdso.so.dbg FORCE

>         $(call if_changed,vdsosym)

> @@ -65,7 +63,7 @@ gettimeofday.o : gettimeofday.c FORCE

>

>  # Actual build commands

>  quiet_cmd_vdsold = VDSOL   $@

> -      cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $^ -o $@

> +      cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $(real-prereqs) -o $@

>  quiet_cmd_vdsoas = VDSOA   $@

>        cmd_vdsoas = $(CC) $(a_flags) -c -o $@ $<

>  quiet_cmd_vdsocc = VDSOA   $@

> --

> 2.7.4

>



-- 
Best Regards
Masahiro Yamada
Greentime Hu April 24, 2019, 7:03 a.m. UTC | #2
Masahiro Yamada <yamada.masahiro@socionext.com> 於 2019年4月18日 週四 下午5:37寫道:
>

> Hi Greentime,

>

>

> On Wed, Apr 3, 2019 at 5:38 PM Masahiro Yamada

> <yamada.masahiro@socionext.com> wrote:

> >

> > - $(call if_changed,...) must have FORCE as a prerequisite

> >

> > - vdso.lds is a generated file, so it should be prefixed with

> >   $(obj)/ instead of $(src)/.

> >

> > - cmd_vdsosym is a one-liner rule, so the assignment with '='

> >   is simpler.

> >

> > Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

> > ---

>

> Ping?

>

>

> >  arch/nds32/kernel/vdso/Makefile | 8 +++-----

> >  1 file changed, 3 insertions(+), 5 deletions(-)

> >

> > diff --git a/arch/nds32/kernel/vdso/Makefile b/arch/nds32/kernel/vdso/Makefile

> > index e6c50a7..01a9610 100644

> > --- a/arch/nds32/kernel/vdso/Makefile

> > +++ b/arch/nds32/kernel/vdso/Makefile

> > @@ -28,7 +28,7 @@ CPPFLAGS_vdso.lds += -P -C -U$(ARCH)

> >  $(obj)/vdso.o : $(obj)/vdso.so

> >

> >  # Link rule for the .so file, .lds has to be first

> > -$(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso)

> > +$(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE

> >         $(call if_changed,vdsold)

> >

> >

> > @@ -40,9 +40,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE

> >  # Generate VDSO offsets using helper script

> >  gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh

> >  quiet_cmd_vdsosym = VDSOSYM $@

> > -define cmd_vdsosym

> > -       $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@

> > -endef

> > +      cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@

> >

> >  include/generated/vdso-offsets.h: $(obj)/vdso.so.dbg FORCE

> >         $(call if_changed,vdsosym)

> > @@ -65,7 +63,7 @@ gettimeofday.o : gettimeofday.c FORCE

> >

> >  # Actual build commands

> >  quiet_cmd_vdsold = VDSOL   $@

> > -      cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $^ -o $@

> > +      cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $(real-prereqs) -o $@

> >  quiet_cmd_vdsoas = VDSOA   $@

> >        cmd_vdsoas = $(CC) $(a_flags) -c -o $@ $<

> >  quiet_cmd_vdsocc = VDSOA   $@


Hi Yamada,

Thank you.
Acked-by: Greentime Hu <greentime@andestech.com>
diff mbox series

Patch

diff --git a/arch/nds32/kernel/vdso/Makefile b/arch/nds32/kernel/vdso/Makefile
index e6c50a7..01a9610 100644
--- a/arch/nds32/kernel/vdso/Makefile
+++ b/arch/nds32/kernel/vdso/Makefile
@@ -28,7 +28,7 @@  CPPFLAGS_vdso.lds += -P -C -U$(ARCH)
 $(obj)/vdso.o : $(obj)/vdso.so
 
 # Link rule for the .so file, .lds has to be first
-$(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso)
+$(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE
 	$(call if_changed,vdsold)
 
 
@@ -40,9 +40,7 @@  $(obj)/%.so: $(obj)/%.so.dbg FORCE
 # Generate VDSO offsets using helper script
 gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh
 quiet_cmd_vdsosym = VDSOSYM $@
-define cmd_vdsosym
-	$(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@
-endef
+      cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@
 
 include/generated/vdso-offsets.h: $(obj)/vdso.so.dbg FORCE
 	$(call if_changed,vdsosym)
@@ -65,7 +63,7 @@  gettimeofday.o : gettimeofday.c FORCE
 
 # Actual build commands
 quiet_cmd_vdsold = VDSOL   $@
-      cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $^ -o $@
+      cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $(real-prereqs) -o $@
 quiet_cmd_vdsoas = VDSOA   $@
       cmd_vdsoas = $(CC) $(a_flags) -c -o $@ $<
 quiet_cmd_vdsocc = VDSOA   $@