[RFC PATCH 1/3] kbuild: introduce cmd_dtc_cpp

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Fri Sep 28 03:40:33 EST 2012


On 09:39 Thu 27 Sep     , Stephen Warren wrote:
> On 09/26/2012 11:44 PM, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > On 13:06 Tue 25 Sep     , Stephen Warren wrote:
> >> From: Stephen Warren <swarren at nvidia.com>
> >>
> >> cmd_dtc_cpp runs the C pre-processor on the input .dts file before
> >> passing it to dtc for final compilation. This allows used of #define
> >> within the .dts file.
> >>
> >> Signed-off-by: Stephen Warren <swarren at nvidia.com>
> >> ---
> >>  scripts/Makefile.lib |    3 +++
> >>  1 files changed, 3 insertions(+), 0 deletions(-)
> >>
> >> diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
> >> index 0be6f11..e3a149e 100644
> >> --- a/scripts/Makefile.lib
> >> +++ b/scripts/Makefile.lib
> >> @@ -266,6 +266,9 @@ $(obj)/%.dtb.S: $(obj)/%.dtb
> >>  quiet_cmd_dtc = DTC     $@
> >>  cmd_dtc = $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 $(DTC_FLAGS) -d $(depfile) $<
> >>  
> >> +quiet_cmd_dtc_cpp = DTC+CPP $@
> >> +cmd_dtc_cpp = $(CC) -E -Wp,-MD,$(depfile) -xc $< | $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 $(DTC_FLAGS) -
> >
> > this should go to Makefile.build
> 
> Hmm. Consistency with the existing cmd_dtc right above would dictate
> otherwise.
no build command go to Makefile.build aside with makefile target

Best Regards,
J.


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