From: Michal Marek <mmarek@suse.cz>
To: Arnaud Lacombe <lacombar@gmail.com>
Cc: Nicolas Pitre <nico@fluxnic.net>,
linux-kbuild@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] Kbuild: allow code re-use across different directories
Date: Fri, 09 Sep 2011 14:32:28 +0200 [thread overview]
Message-ID: <4E6A075C.1050102@suse.cz> (raw)
In-Reply-To: <CACqU3MV0PW=Cp3Px2Jjs3SSOBbQSSA7P=a1RNy4x9jKEB-VEiA@mail.gmail.com>
On 9.9.2011 03:22, Arnaud Lacombe wrote:
> Hi,
>
> On Thu, Sep 8, 2011 at 4:33 PM, Nicolas Pitre <nico@fluxnic.net> wrote:
>> On Thu, 8 Sep 2011, Arnaud Lacombe wrote:
>>
>>> you missed:
>>>
>>> # Make sure files are removed during clean
>>> -extra-y += piggy.gzip piggy.lzo piggy.lzma lib1funcs.S
>>> +extra-y += piggy.gzip piggy.lzo piggy.lzma
>>>
>>> This confused make.
>>
>> Well... that was suttle.
>>
> he, welcome to make(1) world :)
>
>> So yes, your patch may certainly be useful to a couple cases, and it
>> works fine for this lib1func.S.
>>
>> It doesn't help me much in the following situation though. What I
>> actually want to achieve is to compile arch/arm/boot/compressed/fdt_rw.o
>> from scripts/dtc/libfdt/fdt_rw.c, however I want it to include my local
>> version of libfdt_env.h rather than scripts/dtc/libfdt/libfdt_env.h. I
>> still haven't found a way to convince gcc to do that.
>>
> The only choice you have in gcc, is to use -I-, to construct:
>
> $(CROSS_COMPILE)gcc -I$(srctree)/arch/arm/boot/compressed -I- [...]
>
> however, it's been marked as deprecated, but still usable as of today
> snapshot of 4.7.0. Its replacement, -iquote, do not provide this
> functionnality, that is to override the source file origin directory
> as search directory for #include "...".
Or you modify libfdt to support -DLIBFDT_ENV=libfdt_arm.h or similar.
Michal
WARNING: multiple messages have this Message-ID (diff)
From: mmarek@suse.cz (Michal Marek)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC] Kbuild: allow code re-use across different directories
Date: Fri, 09 Sep 2011 14:32:28 +0200 [thread overview]
Message-ID: <4E6A075C.1050102@suse.cz> (raw)
In-Reply-To: <CACqU3MV0PW=Cp3Px2Jjs3SSOBbQSSA7P=a1RNy4x9jKEB-VEiA@mail.gmail.com>
On 9.9.2011 03:22, Arnaud Lacombe wrote:
> Hi,
>
> On Thu, Sep 8, 2011 at 4:33 PM, Nicolas Pitre <nico@fluxnic.net> wrote:
>> On Thu, 8 Sep 2011, Arnaud Lacombe wrote:
>>
>>> you missed:
>>>
>>> # Make sure files are removed during clean
>>> -extra-y += piggy.gzip piggy.lzo piggy.lzma lib1funcs.S
>>> +extra-y += piggy.gzip piggy.lzo piggy.lzma
>>>
>>> This confused make.
>>
>> Well... that was suttle.
>>
> he, welcome to make(1) world :)
>
>> So yes, your patch may certainly be useful to a couple cases, and it
>> works fine for this lib1func.S.
>>
>> It doesn't help me much in the following situation though. What I
>> actually want to achieve is to compile arch/arm/boot/compressed/fdt_rw.o
>> from scripts/dtc/libfdt/fdt_rw.c, however I want it to include my local
>> version of libfdt_env.h rather than scripts/dtc/libfdt/libfdt_env.h. I
>> still haven't found a way to convince gcc to do that.
>>
> The only choice you have in gcc, is to use -I-, to construct:
>
> $(CROSS_COMPILE)gcc -I$(srctree)/arch/arm/boot/compressed -I- [...]
>
> however, it's been marked as deprecated, but still usable as of today
> snapshot of 4.7.0. Its replacement, -iquote, do not provide this
> functionnality, that is to override the source file origin directory
> as search directory for #include "...".
Or you modify libfdt to support -DLIBFDT_ENV=libfdt_arm.h or similar.
Michal
next prev parent reply other threads:[~2011-09-09 12:32 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-20 0:37 [RFC] Kbuild: allow code re-use across different directories Arnaud Lacombe
2011-08-20 0:37 ` Arnaud Lacombe
2011-08-22 8:42 ` Cong Wang
2011-08-22 8:42 ` Cong Wang
2011-08-30 0:31 ` Arnaud Lacombe
2011-08-30 0:31 ` Arnaud Lacombe
2011-08-30 4:32 ` Nicolas Pitre
2011-08-30 4:32 ` Nicolas Pitre
2011-08-30 4:36 ` Arnaud Lacombe
2011-08-30 4:36 ` Arnaud Lacombe
2011-09-07 19:07 ` Nicolas Pitre
2011-09-07 19:07 ` Nicolas Pitre
2011-09-07 19:34 ` Arnaud Lacombe
2011-09-07 19:34 ` Arnaud Lacombe
2011-09-07 19:59 ` Nicolas Pitre
2011-09-07 19:59 ` Nicolas Pitre
2011-09-07 20:52 ` Arnaud Lacombe
2011-09-07 20:52 ` Arnaud Lacombe
2011-09-08 4:50 ` Arnaud Lacombe
2011-09-08 4:50 ` Arnaud Lacombe
2011-09-08 20:33 ` Nicolas Pitre
2011-09-08 20:33 ` Nicolas Pitre
2011-09-09 1:22 ` Arnaud Lacombe
2011-09-09 1:22 ` Arnaud Lacombe
2011-09-09 12:32 ` Michal Marek [this message]
2011-09-09 12:32 ` Michal Marek
2011-09-09 16:16 ` Arnaud Lacombe
2011-09-09 16:16 ` Arnaud Lacombe
2011-09-08 18:24 ` Arnaud Lacombe
2011-09-09 12:30 ` Michal Marek
2011-09-09 12:30 ` Michal Marek
2011-09-13 21:13 ` Arnaud Lacombe
2011-09-13 21:13 ` Arnaud Lacombe
2011-09-14 1:48 ` Michal Marek
2011-09-14 1:48 ` Michal Marek
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