Re: [PATCH v5 0/2] Makefile: libfdt: build only the strict necessary

[David Gibson <david@gibson.dropbear.id.au>]

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On Sun, Jun 07, 2020 at 08:53:52AM +0200, Thomas Huth wrote:
>  Hi David,
> 
> could you maybe take this through your ppc tree?

Sounds reasonable, but this version doesn't seem to apply any more.

> 
>  Thanks,
>   Thomas
> 
> 
> On 01/06/2020 13.28, Claudio Fontana wrote:
> > Hello all,
> > 
> > is this queued somewhere?
> > 
> > Thanks,
> > 
> > Claudio
> > 
> > On 5/18/20 6:03 PM, Claudio Fontana wrote:
> >> v4 -> v5:
> >>
> >> * include the dtc submodule update commit in the 1/2 patch
> >>
> >> v3 -> v4: NB! only useful when updating to latest dtc (not in QEMU yet)
> >>
> >> * changed the approach to leverage new upstream dtc Makefile,
> >>   needs dtc submodule update to include upstream dtc commit
> >>   85e5d839847af54efab170f2b1331b2a6421e647.
> >>
> >> * LIBFDT_srcdir does not exist anymore in upstream dtc: it is also
> >>   not used anymore.
> >>
> >> * LIBFDT_lib: need to avoid building libfdt.so at least for now, so pass as
> >>   empty to avoid building the .so. This is to avoid breaking existing
> >>   trees with objects already compiled without -fPIC.
> >>
> >> * clean: no need to make dtc clean target, every artifact is captured by
> >>   global clean rule
> >>
> >> v2 -> v3:
> >>
> >> * changed into a 2 patch series; in the second patch we remove the old
> >>   compatibility gunks that were meant for removal some time after 4.1.
> >>
> >> * renamed the libfdt PHONY rule to dtc/all, with the intent to make
> >>   existing working trees forward and backward compatible across the change.
> >>
> >> v1 -> v2:
> >>
> >> * fix error generated when running UNCHECKED_GOALS without prior configure,
> >>   for example during make docker-image-fedora. Without configure, DSOSUF is
> >>   empty, and the module pattern rule in rules.mak that uses this variable
> >>   can match too much; provide a default in the Makefile to avoid it.
> >>
> >> * only attempt to build the archive when there is a non-empty list of objects.
> >>   This could be done in general for the %.a: pattern in rules.mak, but maybe
> >>   there are valid reasons to build an empty .a?
> >>
> >> * removed some intermediate variables that did not add much value
> >>   (LIBFDT_srcdir, LIBFDT_archive)
> >>
> >> Tested locally with 3 VPATH configurations (no-, VPATH, VPATH in src subdir),
> >> and with docker-image-fedora, docker-test-debug@fedora that failed before.
> >>
> >> Claudio Fontana (2):
> >>   Makefile: libfdt: build only the strict necessary
> >>   Makefile: remove old compatibility gunks
> >>
> >>  Makefile  | 32 ++++++++++++++++----------------
> >>  configure |  6 +-----
> >>  rules.mak |  2 ++
> >>  3 files changed, 19 insertions(+), 21 deletions(-)
> >>
> > 
> > 
> 

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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