On Wed, 27 Mar 2024 at 19:01, Peng Fan <[email protected]> wrote: > > > Subject: Re: [PATCH 5/6] Makefile: tune the include order > > > > Hi Peng, > > > > On Wed, 27 Mar 2024 at 18:41, Peng Fan (OSS) <[email protected]> > > wrote: > > > > > > From: Peng Fan <[email protected]> > > > > > > For OF_UPSTREAM support, the U-Boot headers under dt-bindings/ maybe > > > different with OF_UPSTREAM headers. So let OF_UPSTREAM headers be > > > included first when migrating to OF_UPSTREAM. > > > > No, please don't do that. The current include order gives preference to the > > U- > > Boot headers under dt-bindings/ such that we don't break platforms which > > haven't converted to OF_UPSTREAM. > > > > So while migrating to OF_UPSTREAM, you should just drop redundant > > headers under dt-bindings/ instead. > > But while in the middle that some boards using OF_UPSTREAM, some not, > we could not drop that.
That's the real reason why we should try to migrate to OF_UPSTREAM at SoC level rather than at board level. If a particular board isn't supported upstream then they can opt out for the time being. > > I could sync the dt-bindings header first to avoid break anyway. Once you do that sync then there won't be any reason to keep headers under dt-bindings/. -Sumit > > Regards, > Peng. > > > > > -Sumit > > > > > > > > Signed-off-by: Peng Fan <[email protected]> > > > --- > > > Makefile | 6 +++--- > > > 1 file changed, 3 insertions(+), 3 deletions(-) > > > > > > diff --git a/Makefile b/Makefile > > > index b80924241ec..b9c2d896c2e 100644 > > > --- a/Makefile > > > +++ b/Makefile > > > @@ -827,6 +827,7 @@ KBUILD_HOSTCFLAGS += $(if > > > $(CONFIG_TOOLS_DEBUG),-g) # Use UBOOTINCLUDE when you must > > reference the include/ directory. > > > # Needed to be compatible with the O= option > > > UBOOTINCLUDE := \ > > > + -I$(srctree)/dts/upstream/include \ > > > -Iinclude \ > > > $(if $(KBUILD_SRC), -I$(srctree)/include) \ > > > $(if $(CONFIG_$(SPL_)SYS_THUMB_BUILD), \ > > > @@ -835,8 +836,7 @@ UBOOTINCLUDE := \ > > > -I$(srctree)/arch/arm/thumb1/include), \ > > > -I$(srctree)/arch/arm/thumb1/include)) \ > > > -I$(srctree)/arch/$(ARCH)/include \ > > > - -include $(srctree)/include/linux/kconfig.h \ > > > - -I$(srctree)/dts/upstream/include > > > + -include $(srctree)/include/linux/kconfig.h > > > > > > NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) > > > -print-file-name=include) > > > > > > @@ -907,7 +907,7 @@ ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) > > > PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a else ifndef > > > CONFIG_CC_IS_CLANG -PLATFORM_LIBGCC := -L $(shell dirname `$(CC) > > > $(c_flags) -print-libgcc-file-name`) -lgcc > > > +PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) > > > +-print-libgcc-file-name`) > > > endif > > > endif > > > PLATFORM_LIBS += $(PLATFORM_LIBGCC) > > > > > > -- > > > 2.35.3 > > >

