Re: [Qemu-devel] [PATCH v2] Drop --whole-archive and static libraries

[Blue Swirl <blauwirbel@gmail.com>]

On Wed, Jan 6, 2010 at 7:53 PM, Andreas Färber <andreas.faerber@web.de> wrote:
>
> Am 06.01.2010 um 20:24 schrieb Blue Swirl:
>
>> On Wed, Jan 6, 2010 at 6:51 PM, Andreas Färber <andreas.faerber@web.de>
>> wrote:
>>>
>>> Am 04.01.2010 um 21:47 schrieb Blue Swirl:
>>>
>>>> On Sun, Jan 3, 2010 at 12:31 PM, Blue Swirl <blauwirbel@gmail.com>
>>>> wrote:
>>>>>
>>>>> 2009/12/31 Andreas Färber <andreas.faerber@web.de>:
>>>>>>
>>>>>> From: Andreas Färber <afaerber@opensolaris.org>
>>>>>>
>>>>>> Juan has contributed a cool Makefile infrastructure that enables us to
>>>>>> drop
>>>>>> static libraries completely:
>>>>>>
>>>>>> Move shared obj-y definitions to Makefile.objs, prefixed
>>>>>> {common-,hw-,user-},
>>>>>> and link those object files directly into the executables.
>>>>>>
>>>>>> Replace HWLIB by HWDIR, specifying only the directory.
>>>>>>
>>>>>> Drop --whole-archive and ARLIBS in Makefiles and configure.
>>>>>>
>>>>>> Drop GENERATED_HEADERS dependency in rules.mak, since this rebuilds
>>>>>> all
>>>>>> common objects after generating a target-specific header; add
>>>>>> dependency
>>>>>> rules to Makefile and Makefile.target instead.
>>>>>>
>>>>>> v2:
>>>>>> - Don't try to include /config.mak for user emulators
>>>>>> - Changes to user object paths ("Quickfix for libuser.a drop") were
>>>>>> obsoleted
>>>>>>  by "user_only: compile everything with -fpie" (Kirill A. Shutemov)
>
>>>> There is still one problem, tools need config-host.h but the
>>>> dependencies are not correct:
>>>>  CC    qemu-nbd.o
>>>> In file included from /src/qemu/qemu-nbd.c:19:
>>>> /src/qemu/qemu-common.h:32:25: error: config-host.h: No such file or
>>>> directory
>>>
>>> Fix coming up. Basically, $(GENERATED_HEADERS) were previously used on
>>> _all_
>>> object files via rules.mak. That does not work when referencing objects
>>> from
>>> another Makefile, so the modelling needs to be done explicitly.
>>
>> OK. Since there have been no objections, I'd like to apply this soon.
>
> That would be very much appreciated.
>
> I have not tested bsd-user. Could you please check that on your BSD setup?

Seems to work, as do Milax and mingw32.