[Olsr-dev] Android NDK does not support -Wdouble-promotion, -Wjump-misses-init, and -Wtrampolines

[Henning Rogge]

I use even more on the framework code, including -Werror.

Every warning is a "bad coding style" or a potential problem. So
instead of switching the warning off, we try to fix the code.

Henning

On Wed, Jun 6, 2012 at 11:11 PM, Hans-Christoph Steiner
<(spam-protected)> wrote:
>
> Hmm, ok, that explains something.  The warning removing script worked on
> the build server, but not on my Ubuntu/precise laptop, I don't know why
> yet...
>
> I've never dealt with any project that has such elaborate gcc warnings.
>  I'm curious what about olsrd needs this level of warnings, can anyone
> illuminate me?
>
> .hc
>
> On 06/06/2012 04:53 PM, Henning Rogge wrote:
>> Normally, the "gcc warning" script should check which options produce
>> an error and remove them...
>>
>> strange...
>>
>> Henning
>>
>> On Wed, Jun 6, 2012 at 10:50 PM, Ferry Huberts <(spam-protected)> wrote:
>>>
>>>
>>> On 06-06-12 22:35, Hans-Christoph Steiner wrote:
>>>>
>>>>
>>>> Why do we need to have the warning flags individually specified?  I
>>>
>>>
>>> because some flags aren't included in -Wall (pls read man gcc)
>>>
>>>
>>>> think it would be safer to use -Wall, then use -Wno-foo to only specify
>>>> warnings we don't want.  That way we don't have to manage the
>>>> differences in toolchains.
>>>>
>>>> Here's what Android NDK's gcc has to say:
>>>>
>>>> [CC] src/common/autobuf.c
>>>> cc1: error: unrecognized command line option "-Wdouble-promotion"
>>>> cc1: error: unrecognized command line option "-Wjump-misses-init"
>>>> cc1: error: unrecognized command line option "-Wtrampolines"
>>>>
>>>
>>> put an ifndef android around them ;-)
>>>
>>>
>>>>
>>>> (spam-protected) olsrd $
>>>>
>>>> /usr/local/android-ndk/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-gcc
>>>>  -Wdouble-promotion /tmp/test.c
>>>> cc1: error: unrecognized command line option "-Wdouble-promotion"
>>>>
>>>> .hc
>>>>
>>>
>>> --
>>> Ferry Huberts
>>>
>>>
>>> --
>>> Olsr-dev mailing list
>>> (spam-protected)
>>> https://lists.olsr.org/mailman/listinfo/olsr-dev
>>
>>
>>



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