Re: [Qemu-devel] [PATCH v2 00/25] per-directory Makefile.objs snippets, limit vpath (ab)use

[Anthony Liguori]

On 06/06/2012 02:36 PM, Paolo Bonzini wrote:
> Here is v2 of the nested Makefile patches.  Thanks all for the enthusiasm!
>
> The main change is that rules can now be put in the per-directory snippets.
> This is done for op_helper.o already.
>
> Paolo
>
> v1->v2:
>          do not call nested files "Makefile" (Andreas)
>          do not create directories at configure time (Anthony)
>          allow per-snippet rules, use it for op_helper.o (Blue Swirl)
>          whitespace fixes (Blue Swirl)
>          fix Xen (myself)

FWIW, with my patch, this seems to pass my basic sniff testing.  I'll try to 
apply a v3 quickly once you send it out.

Regards,

Anthony Liguori

> Paolo Bonzini (25):
>    build: remove trace-nested-y
>    build: do not sprinkle around GENERATED_HEADERS dependencies
>    build: add rules for nesting
>    build: move *-user/ objects to nested Makefile.objs
>    build: move obj-TARGET-y variables to nested Makefile.objs
>    build: move libobj-y variable to nested Makefile.objs
>    build: move other target-*/ objects to nested Makefile.objs
>    build: move rules for nesting to Makefile.objs
>    build: put qom/ rules in a Makefile.objs file
>    build: move block/ objects to nested Makefile.objs
>    build: move net/ objects to nested Makefile.objs
>    build: move fsdev/ objects to nested Makefile.objs
>    build: move ui/ objects to nested Makefile.objs
>    build: move audio/ objects to nested Makefile.objs
>    build: move slirp/ objects to nested Makefile.objs
>    build: move qapi/ objects to nested Makefile.objs
>    build: move qga/ objects to nested Makefile.objs
>    build: move target-independent hw/ objects to nested Makefile.objs
>    build: convert libhw to nested Makefile.objs
>    build: move per-target hw/ objects to nested Makefile.objs
>    build: move device tree to per-target Makefile
>    build: libcacard Makefile cleanups
>    build: limit usage of vpath
>    build: compile oslib-obj-y once
>    build: do not create directories at configure time
>
>   Makefile                                     |   32 ++-
>   Makefile.hw                                  |    7 +-
>   Makefile.objs                                |  317 ++++--------------------
>   Makefile.target                              |  333 ++++----------------------
>   audio/Makefile.objs                          |   14 ++
>   block/Makefile.objs                          |   11 +
>   bsd-user/Makefile.objs                       |    2 +
>   configure                                    |   55 ++---
>   fsdev/Makefile.objs                          |    9 +
>   hw/9pfs/Makefile.objs                        |    9 +
>   hw/Makefile.objs                             |  165 +++++++++++++
>   hw/alpha/Makefile.objs                       |    4 +
>   hw/arm/Makefile.objs                         |   40 ++++
>   hw/cris/Makefile.objs                        |   13 +
>   hw/i386/Makefile.objs                        |   13 +
>   hw/ide/Makefile.objs                         |   10 +
>   hw/lm32/Makefile.objs                        |   23 ++
>   hw/m68k/Makefile.objs                        |    4 +
>   hw/microblaze/Makefile.objs                  |   14 ++
>   hw/mips/Makefile.objs                        |    6 +
>   hw/ppc/Makefile.objs                         |   32 +++
>   hw/s390x/Makefile.objs                       |    3 +
>   hw/sh4/Makefile.objs                         |    5 +
>   hw/sparc/Makefile.objs                       |    8 +
>   hw/sparc64/Makefile.objs                     |    4 +
>   hw/usb/Makefile.objs                         |   13 +
>   hw/xtensa/Makefile.objs                      |    5 +
>   libcacard/Makefile                           |   17 +-
>   linux-user/Makefile.objs                     |    7 +
>   linux-user/arm/nwfpe/Makefile.objs           |    2 +
>   net/Makefile.objs                            |   12 +
>   qapi/Makefile.objs                           |    3 +
>   qga/Makefile.objs                            |    3 +
>   qom/Makefile                                 |    2 -
>   qom/Makefile.objs                            |    4 +
>   rules.mak                                    |   40 ++++
>   slirp/Makefile.objs                          |    3 +
>   target-alpha/Makefile.objs                   |    3 +
>   target-arm/Makefile.objs                     |    6 +
>   arm-semi.c =>  target-arm/arm-semi.c          |    0
>   target-cris/Makefile.objs                    |    4 +
>   target-i386/Makefile.objs                    |    7 +
>   ioport-user.c =>  target-i386/ioport-user.c   |    0
>   target-lm32/Makefile.objs                    |    4 +
>   target-m68k/Makefile.objs                    |    5 +
>   m68k-semi.c =>  target-m68k/m68k-semi.c       |    0
>   target-microblaze/Makefile.objs              |    4 +
>   target-mips/Makefile.objs                    |    4 +
>   target-ppc/Makefile.objs                     |    6 +
>   target-s390x/Makefile.objs                   |    5 +
>   target-sh4/Makefile.objs                     |    4 +
>   target-sparc/Makefile.objs                   |    8 +
>   target-unicore32/Makefile.objs               |    4 +
>   target-xtensa/Makefile.objs                  |    8 +
>   xtensa-semi.c =>  target-xtensa/xtensa-semi.c |    0
>   tests/Makefile                               |    1 -
>   ui/Makefile.objs                             |   18 ++
>   57 files changed, 701 insertions(+), 634 deletions(-)
>   create mode 100644 audio/Makefile.objs
>   create mode 100644 block/Makefile.objs
>   create mode 100644 bsd-user/Makefile.objs
>   create mode 100644 fsdev/Makefile.objs
>   create mode 100644 hw/9pfs/Makefile.objs
>   create mode 100644 hw/Makefile.objs
>   create mode 100644 hw/alpha/Makefile.objs
>   create mode 100644 hw/arm/Makefile.objs
>   create mode 100644 hw/cris/Makefile.objs
>   create mode 100644 hw/i386/Makefile.objs
>   create mode 100644 hw/ide/Makefile.objs
>   create mode 100644 hw/lm32/Makefile.objs
>   create mode 100644 hw/m68k/Makefile.objs
>   create mode 100644 hw/microblaze/Makefile.objs
>   create mode 100644 hw/mips/Makefile.objs
>   create mode 100644 hw/ppc/Makefile.objs
>   create mode 100644 hw/s390x/Makefile.objs
>   create mode 100644 hw/sh4/Makefile.objs
>   create mode 100644 hw/sparc/Makefile.objs
>   create mode 100644 hw/sparc64/Makefile.objs
>   create mode 100644 hw/usb/Makefile.objs
>   create mode 100644 hw/xtensa/Makefile.objs
>   create mode 100644 linux-user/Makefile.objs
>   create mode 100644 linux-user/arm/nwfpe/Makefile.objs
>   create mode 100644 net/Makefile.objs
>   create mode 100644 qapi/Makefile.objs
>   create mode 100644 qga/Makefile.objs
>   delete mode 100644 qom/Makefile
>   create mode 100644 qom/Makefile.objs
>   create mode 100644 slirp/Makefile.objs
>   create mode 100644 target-alpha/Makefile.objs
>   create mode 100644 target-arm/Makefile.objs
>   rename arm-semi.c =>  target-arm/arm-semi.c (100%)
>   create mode 100644 target-cris/Makefile.objs
>   create mode 100644 target-i386/Makefile.objs
>   rename ioport-user.c =>  target-i386/ioport-user.c (100%)
>   create mode 100644 target-lm32/Makefile.objs
>   create mode 100644 target-m68k/Makefile.objs
>   rename m68k-semi.c =>  target-m68k/m68k-semi.c (100%)
>   create mode 100644 target-microblaze/Makefile.objs
>   create mode 100644 target-mips/Makefile.objs
>   create mode 100644 target-ppc/Makefile.objs
>   create mode 100644 target-s390x/Makefile.objs
>   create mode 100644 target-sh4/Makefile.objs
>   create mode 100644 target-sparc/Makefile.objs
>   create mode 100644 target-unicore32/Makefile.objs
>   create mode 100644 target-xtensa/Makefile.objs
>   rename xtensa-semi.c =>  target-xtensa/xtensa-semi.c (100%)
>   create mode 100644 ui/Makefile.objs