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


On Wed, Feb 22, 2012 at 8:20 PM, Jing Yu <jingyu@google.com> wrote:
> So far, Android ARM toolchain, which builds Android platform for ARM
> boards, does not enable RTTI and exceptions by default. There are
> license concerns with the use of GNU libstdc++ and libsupc++.

That, of course, does not answer my question why

>>> +  "%{!fexceptions:%{!fno-exceptions: -fexceptions}} "          \
>>> +  "%{!frtti:%{!fno-rtti: -frtti}}"

is not a no-op.

Richard.

> Thanks,
> Jing
>
> On Wed, Feb 22, 2012 at 7:07 AM, Richard Guenther
> <richard.guenther@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.
>>
>>
>>> 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..7256082 100644
>>> --- a/gcc/config/linux-android.h
>>> +++ b/gcc/config/linux-android.h
>>> @@ -46,8 +46,8 @@
>>> ? "%{!fno-pic:%{!fno-PIC:%{!fpic:%{!fPIC: -fPIC}}}}"
>>>
>>> ?#define ANDROID_CC1PLUS_SPEC ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? \
>>> - ?"%{!fexceptions:%{!fno-exceptions: -fno-exceptions}} " ? ? ? ? ? ? ? \
>>> - ?"%{!frtti:%{!fno-rtti: -fno-rtti}}"
>>> + ?"%{!fexceptions:%{!fno-exceptions: -fexceptions}} " ? ? ? ? ?\
>>> + ?"%{!frtti:%{!fno-rtti: -frtti}}"
>>>
>>> ?#define ANDROID_LIB_SPEC \
>>> ? "%{!static: -ldl}"


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