[Buildroot] [PATCH v11 0/8] Add support for top-level parallel make

[Fabio Porcedda]

On Fri, Jan 10, 2014 at 11:06 AM, Fabio Porcedda
<fabio.porcedda at gmail.com> wrote:
> Hi all,
> this is a patch set for adding support for top-level parallel make in
> buildroot, the common problem scattered in buildroot's top-level
> makefiles is that in the rules it relies on the order of evaluation of
> the prerequisites, to be able to use top-level parallel make instead
> of reling on the left to right ordering of evaluation of the
> prerequisites we must add an explicit rule to describe the
> dependencies.
>
> With this patch set the top-level parallel make seems to works fine,
> example:
>         make clean
>         make BR2_JLEVEL= -j$((`getconf _NPROCESSORS_ONLN` + 1))
>
> Before to try it remeber to remove the ".NOTPARALLEL" line.
>
> On my quad core system the building time for the first 220 packages of
> the "allpackageyesconfig" is 43m vs 18m.
>
> I've tested the qemu_x86_defconfig, uclibc/eglibc/glibc,
> ccache off/on, sstrip off/on.
>
> I've finished to work on this patch set, Arnout has acked some patches
> so i hope that this patch set is going to be merged soon because is
> frustrating to rebase this patch set. In the latest Buildroot
> Developer Day in Edinburgh
> (http://elinux.org/Buildroot:DeveloperDaysELCE2013) you agreed to
> accept this patch set, so what are you wating for?
>
> Thank you for all reviews and in particular Arnout.
>
> Best regards
> Fabio Porcedda
>
> v11:
>  - Rebased over master
>  - Added support for pythone framework in the second patch.
>  - Changed comment on the latest patch.
> v10:
>  - Added Acked-by: Arnout Vandecappelle on the first two patches
>  - Improved descption and text of the last patch
>  - Rebased over master
> v9:
>  - Added Acked-by: Arnout Vandecappelle on some patches.
>  - Changed the patches contents and descriptions following advices of Arnout
>    - 1th patch: fixed to support ccache & sstrip
>    - 2th patch: added pkg-cmake.mk
>    - 2th patch: splitted ifeq
>    - 3th patch: improved description
>    - 3th patch: does not use %_BUILD_DEPENDENCIES anymore
>    - 3th patch: added a comment about "|"
>    - 4th patch: added a comment
>    - 5th patch: added a comment
>    - 6th patch:
>  - 2th patch: fixed a comment
>  - 8th patch: now it change only the comment
> v8:
>  - rebased over master
>  - added patche for for base dependency
>  - added patche for for glibc package
>  - added patche for for uclibc package
>  - removed patch already merged
>  - changed some descriptions
>  - modified the patch for toolchain dependency to prevent circular dependency
> v7:
>  - add the latest patch
>  - add to the first patch the <pkgname>_TOOLCHAIN variable
>  - improve the fifth patch
> v6:
>  - added the fifth patch
>  - updated the fourth patch adding the install targets
>  - updated the second patch to remove TARGETS_ALL
> v5:
>  - added the fourth patch
>  - fixed some typos
>  - rewrited the second patch to use only $$($(2)_TARGET_*) in the rules
>  - add support for top-level parallel make for the glibc package
> v4:
>  - rebased over master
>  - add Acked-by: Thomas Petazzoni on the third patch
>  - changed the orderd of the patches
> v3:
>  - add back the patch "package: add toolchain dependency to
>     inner-generic-package" because now is working fine.
>  - add Acked-by: Arnout Vandecappelle to the third patch.
>  - reworked the second patch following Arnout suggestions.
> v2:
>  - remove patch "package: add toolchain dependency to inner-generic-package"
>    because was not working fine against recent toolchain changes.
>
> Fabio Porcedda (8):
>   package: add base dependency to every package
>   package: add toolchain dependency to every target package
>   package: add support for top-level parallel make
>   uclibc: add support for top-level parallel make
>   glibc: add support for top-level parallel make
>   Makefile: add support for top-level parallel make
>   package: enable jobserver for recursive make
>   Makefile: update comment about top-level parallel Makefile
>
>  Makefile                                           | 34 ++++++-----
>  fs/common.mk                                       |  4 +-
>  package/glibc/glibc.mk                             | 12 +++-
>  package/linux-headers/linux-headers.mk             |  3 +
>  package/pkg-autotools.mk                           |  3 +-
>  package/pkg-cmake.mk                               |  2 +-
>  package/pkg-generic.mk                             | 67 ++++++++++++++--------
>  package/pkg-python.mk                              |  2 +-
>  package/uclibc/uclibc.mk                           | 12 +++-
>  .../toolchain-buildroot/toolchain-buildroot.mk     |  2 +
>  toolchain/toolchain-external/toolchain-external.mk |  2 +
>  toolchain/toolchain/toolchain.mk                   |  5 +-
>  12 files changed, 99 insertions(+), 49 deletions(-)
>
> --
> 1.8.5.2
>

ping?

Regards
-- 
Fabio Porcedda