PATCH: Add -mandroid support on Linux/i386

H.J. Lu hjl.tools@gmail.com
Sat Dec 17 03:11:00 GMT 2011


On Fri, Dec 16, 2011 at 2:49 PM, Joseph S. Myers
<joseph@codesourcery.com> wrote:
> On Wed, 14 Dec 2011, H.J. Lu wrote:
>
>> Hi,
>>
>> This patch adds -mandroid support on Linux/i386, similar to Linux/ARM.
>> OK for trunk in stage 1?
>
> This does not appear to be a patch against current trunk, but against a
> much older version.
>
>> diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h
>> index 3a23598..9918036 100644
>> --- a/gcc/config/i386/linux.h
>> +++ b/gcc/config/i386/linux.h
>> @@ -79,8 +79,15 @@ along with GCC; see the file COPYING3.  If not see
>>  #undef CPP_SPEC
>>  #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
>
> config/i386/linux.h is almost empty; it only defines things that
> definitely vary between different kernels that may be used with GNU
> userspace.  Most of the contents currently go in gnu-user.h because they
> are equally applicable with HURD, GNU/kFreeBSD etc.
>
>> +#define LINUX_TARGET_CC1_SPEC "%(cc1_cpu) %{profile:-p}"
>
>> -#undef       LINK_SPEC
>> -#define LINK_SPEC "-m %(link_emulation) %{shared:-shared} \
>> +#define LINUX_TARGET_LINK_SPEC \
>
> For various such definitions you probably want to define GNU_USER_TARGET_*
> in gnu-user.h; define the underlying macro such as LINK_SPEC in gnu-user.h
> to be GNU_USER_TARGET_LINK_SPEC etc.; then undefine and redefine LINK_SPEC
> in linux.h to add Android support.
>

I will take another look.

Thanks.


-- 
H.J.



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