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Re: [PATCH, i386, Android] Enable exceptions and RTTI by default for Android


My comment is(was) not on the format of the patch. Instead, I am
thinking whether Android toolchain customer, which is Android AOSP,
wants this patch.

I don't know the scenario behind this patch. I think the question
behind this patch is, if RTTI and exceptions are enabled by default,
who is supposed to handle RTTI and exceptions by default? The answer
is no answer, for now.

Android AOSP tree provides very limited C++ support. Android NDK
provides four options for C++ support. Some of the options support
both exceptions and rttit, some options only support rtti.

Therefore I guess Android AOSP probably would not like to enable
exceptions and RTTI by default.

Questions/complaints/requests on Android limited C++ support, should
go to Android forum.
Questions about license concerns, should go to Android AOSP lawyer.

Thanks,
Jing

On Fri, Feb 24, 2012 at 2:36 AM, Richard Guenther
<richard.guenther@gmail.com> wrote:
> On Fri, Feb 24, 2012 at 11:22 AM, Ilya Enkovich <enkovich.gnu@gmail.com> wrote:
>>> On Wed, Feb 22, 2012 at 3:57 PM, Ilya Enkovich <enkovich.gnu@gmail.com> wrote:
>>>> Hello,
>>>>
>>>> Here is a simple patch which enables exceptions and RTTI by default
>>>> for Android target. OK for trunk?
>>>
>>> Err - isn't that the default? ?Thus, simply delete the bogus spec?
>>>
>>> Richard.
>>>
>>>
>> Hi,
>>
>> Is following patch OK or it's better to remove whole macro and its usages?
>
> The latter.
>
> Richard.
>
>> Thanks,
>> Ilya
>> --
>> 2012-02-22 ?Enkovich Ilya ?<ilya.enkovich@intel.com>
>>
>> ? ? ? ?* gcc/config/linux-android.h (ANDROID_CC1PLUS_SPEC): Enable
>> ? ? ? ?exceptions and rtti by default.
>>
>>
>> diff --git a/gcc/config/linux-android.h b/gcc/config/linux-android.h
>> index 94c5274..180b62b 100644
>> --- a/gcc/config/linux-android.h
>> +++ b/gcc/config/linux-android.h
>> @@ -45,9 +45,7 @@
>> ? "%{!mglibc:%{!muclibc:%{!mbionic: -mbionic}}} " ? ? ? ? ? ? ? ? ? ? ?\
>> ? "%{!fno-pic:%{!fno-PIC:%{!fpic:%{!fPIC: -fPIC}}}}"
>>
>> -#define ANDROID_CC1PLUS_SPEC ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? \
>> - ?"%{!fexceptions:%{!fno-exceptions: -fno-exceptions}} " ? ? ? ? ? ? ? \
>> - ?"%{!frtti:%{!fno-rtti: -fno-rtti}}"
>> +#define ANDROID_CC1PLUS_SPEC ""
>>
>> ?#define ANDROID_LIB_SPEC \
>> ? "%{!static: -ldl}"


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