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Date: Tue, 13 Mar 2012 13:46:26 +0100
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From: Remy Bohmer <linux@bohmer.net>
Subject: Re: [ptxdist] [PATCH 3/5] [busybox] Pass extra platform CFLAGS to
 busybox make
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To: ptxdist@pengutronix.de

Hi,

2012/3/13 Michael Olbrich <m.olbrich@pengutronix.de>:
> On Mon, Mar 12, 2012 at 10:25:02PM +0100, Remy Bohmer wrote:
>> Busybox make is not properly called in case:
>> * compiler name tuple does not match target tuple (as used in multilib
>> =A0 compilers, for example: i686-pc-linux-gnu-gcc can compile for
>> =A0 x86_64-unknown-linux-gnu targets. To solve this the 'SUBARCH' need t=
o be
>> =A0 set)
>> * CONFIG_EXTRA_CFLAGS need to e set to select the proper sysroot to
>> =A0 compile against in busybox
>> * LDFLAGS to link against the proper sysroot.
>>
>> Signed-off-by: Remy Bohmer <linux@bohmer.net>
>> ---
>> =A0rules/busybox.make | =A0 =A03 +++
>> =A01 files changed, 3 insertions(+), 0 deletions(-)
>>
>> diff --git a/rules/busybox.make b/rules/busybox.make
>> index 536aa80..42cb81c 100644
>> --- a/rules/busybox.make
>> +++ b/rules/busybox.make
>> @@ -49,9 +49,12 @@ $(STATEDIR)/busybox.prepare:
>>
>> =A0BUSYBOX_MAKE_OPT :=3D \
>> =A0 =A0 =A0 ARCH=3D$(PTXCONF_ARCH_STRING) \
>> + =A0 =A0 SUBARCH=3D$(PTXCONF_ARCH_STRING) \
>> =A0 =A0 =A0 CROSS_COMPILE=3D$(COMPILER_PREFIX) \
>> =A0 =A0 =A0 CONFIG_EXTRA_CFLAGS=3D"$(CROSS_CFLAGS)" \
>> =A0 =A0 =A0 HOSTCC=3D$(HOSTCC) \
>> + =A0 =A0 CONFIG_EXTRA_CFLAGS=3D"$(PTXCONF_TARGET_EXTRA_CFLAGS)" \
>> + =A0 =A0 LDFLAGS=3D"$(PTXCONF_TARGET_EXTRA_LDFLAGS)" \
>
> =A0 =A0 =A0 =A0CONFIG_EXTRA_CFLAGS=3D"$(CROSS_CPPFLAGS) $(CROSS_CFLAGS)" \
> =A0 =A0 =A0 =A0$(CROSS_ENV_LDFLAGS) \

This results in:
-----------------------
target: busybox.prepare
-----------------------

make: invalid option -- '6'
make: invalid option -- '4'
make: invalid option -- '/'
make: invalid option -- '/'
Usage: make [options] [target] ...
Options:
etc.

It seems I have to stick with the bare minimal options I can set
here... Or any other ideas?

Kind regards,

Remy

-- =

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