On Thu, Nov 12, 2015 at 09:16:00AM -0700, Simon Glass wrote: > Hi, > > On 10 November 2015 at 08:34, Nishanth Menon <n...@ti.com> wrote: > > On 11/10/2015 08:55 AM, Nishanth Menon wrote: > >> On 12:25-20151110, Masahiro Yamada wrote: > >>> 2015-11-10 5:24 GMT+09:00 Simon Glass <s...@chromium.org>: > >>>>>> I am unhappy because I was hoping > >>>>>> we could stop creating symbolic links during building > >>>>>> in a long run. > >>>> > >>>> But how? I don't see that it is possible if we want to have a sensible > >>>> prefix for each include. > >>> > >>> > >>> [step 1] move SoC-specific headers to arch/<arch>/mach-<soc>/include/mach > >>> > >>> [step 2] change #include <asm/arch/foo.h> to #include <mach/foo.h> > >>> > >>> [step 3] Drop CONFIG_CREATE_ARCH_SYMLINK > >>> > >>> > >>> For example, mach-uniphier finished [1] and [2], > >>> so it does not require the symbolic link. > >>> (several ARM SoCs finished [1]) > >>> > >>> > >>> I think this is the way ARM should do, at least. > >>> > >>> The topic of debate is PowerPC. Should we introduce mach-<soc> > >>> directories or not? > >>> > >> > >> OK: Option 4: > >> > >> How about this guys? include/board-common is an actual directory > >> and instead of headers being located in board/$(VENDOR)/common or > >> board/$(VENDOR)/common/include, we move the common headers to > >> include/board/$(VENDOR)/ Directory. This will make the usage as follows: > >> > >> #include <$(VENDOR)/xyz.h> > >> > >> I know this does not exactly meet Simon's suggestion here of being > >> identifiably board-common/xyz.h -> but at least knowing the prefix as > >> vendor name implies a board common header. > >> > >> diff --git a/Makefile b/Makefile > >> index 3c21f8ddf9e9..2bd684199512 100644 > >> --- a/Makefile > >> +++ b/Makefile > >> @@ -620,6 +620,7 @@ c_flags := $(KBUILD_CFLAGS) $(cpp_flags) > >> # U-Boot objects....order is important (i.e. start must be first) > >> > >> HAVE_VENDOR_COMMON_LIB = $(if $(wildcard > >> $(srctree)/board/$(VENDOR)/common/Makefile),y,n) > >> +UBOOTINCLUDE += $(if $(HAVE_VENDOR_COMMON_LIB:y=1), > >> -I$(srctree)/include/board-common) > >> > >> libs-y += lib/ > >> libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ > >> > >> How does this sound? > >> > > Spin off from option 4 is option 5 -> where we dont have the Makefile > > change. the board includes are located in > > include/board-common/$(VENDOR)/ directory. > > > > > > Usage will be: > > > > #include <board-common/$(VENDOR)/xyz.h> > > > > > > Almost meets Simon's needs(identifiable as board common header) and I > > think matches what Masahiro-san wants as well(no symlinks). > > > > > > OK, i am out of ideas at least for now... Any other suggestions / opinions? > > If we don't want a symlink then option 5 seems good to me. Thanks very > much for looking into this in so much detail, Nishanth. > > Thoughts - Masahiro? Tom?
No symlink should mean Masahiro is happy, so if you're fine with #5 then that works for me too, thanks! -- Tom
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